Moodle release 2.5.8

Merge branch 'MOODLE_25_STABLE' into install_25_STABLE
MDL-46619 Forum: link to the discussion only if users cannot see posts.
2014-09-06 13:01:35 +02:00 · 2014-09-06 00:05:49 +08:00 · 2014-09-02 10:15:32 +08:00 · 2014-09-02 10:14:43 +08:00 · 2014-09-01 11:35:36 +08:00 · 2014-09-01 11:30:13 +08:00
1733 changed files with 84260 additions and 54504 deletions
@@ -42,7 +42,7 @@
    "sub":          false,
    "supernew":     false,
    "maxerr":       500,
-    "maxlen":       150,
+    "maxlen":       180,
    "passfail":     false,
    "latedef":      true
 }
@@ -1,4 +1,5 @@
 {
    "coverage": false,
-    "lint": "config"
+    "lint": "config",
+    "clean": true
 }
@@ -97,27 +97,26 @@ foreach ($settingspage->children as $childpage) {
        $outputhtml .= $OUTPUT->heading(html_writer::link($childpage->url, $childpage->visiblename), 3);
    } else if ($childpage instanceof admin_settingpage) {
        $outputhtml .= $OUTPUT->heading(html_writer::link(new moodle_url('/'.$CFG->admin.'/settings.php', array('section' => $childpage->name)), $childpage->visiblename), 3);
+        // If its a settings page and has settings lets display them.
+        if (!empty($childpage->settings)) {
+            $outputhtml .= html_writer::start_tag('fieldset', array('class' => 'adminsettings'));
+            foreach ($childpage->settings as $setting) {
+                if (empty($setting->nosave)) {
+                    $savebutton = true;
+                }
+                $fullname = $setting->get_full_name();
+                if (array_key_exists($fullname, $adminroot->errors)) {
+                    $data = $adminroot->errors[$fullname]->data;
+                } else {
+                    $data = $setting->get_setting();
+                }
+                $outputhtml .= html_writer::tag('div', '<!-- -->', array('class' => 'clearer'));
+                $outputhtml .= $setting->output_html($data);
+            }
+            $outputhtml .= html_writer::end_tag('fieldset');
+        }
    } else if ($childpage instanceof admin_category) {
        $outputhtml .= $OUTPUT->heading(html_writer::link(new moodle_url('/'.$CFG->admin.'/category.php', array('category' => $childpage->name)), get_string('admincategory', 'admin', $childpage->visiblename)), 3);
-    } else {
-        continue;
-    }
-    if (!empty($childpage->settings)) {
-        $outputhtml .= html_writer::start_tag('fieldset', array('class' => 'adminsettings'));
-        foreach ($childpage->settings as $setting) {
-            if (empty($setting->nosave)) {
-                $savebutton = true;
-            }
-            $fullname = $setting->get_full_name();
-            if (array_key_exists($fullname, $adminroot->errors)) {
-                $data = $adminroot->errors[$fullname]->data;
-            } else {
-                $data = $setting->get_setting();
-            }
-            $outputhtml .= html_writer::tag('div', '<!-- -->', array('class' => 'clearer'));
-            $outputhtml .= $setting->output_html($data);
-        }
-        $outputhtml .= html_writer::end_tag('fieldset');
    }
 }
 if ($savebutton) {
@@ -1007,4 +1007,127 @@
      </PHP_SETTING>
    </PHP_SETTINGS>
  </MOODLE>
+  <MOODLE version="2.7" requires="2.2">
+    <UNICODE level="required">
+      <FEEDBACK>
+        <ON_ERROR message="unicoderequired" />
+      </FEEDBACK>
+    </UNICODE>
+    <DATABASE level="required">
+      <VENDOR name="mariadb" version="5.5.31" />
+      <VENDOR name="mysql" version="5.5.31" />
+      <VENDOR name="postgres" version="9.1" />
+      <VENDOR name="mssql" version="10.0" />
+      <VENDOR name="oracle" version="10.2" />
+    </DATABASE>
+    <PHP version="5.4.4" level="required">
+    </PHP>
+    <PCREUNICODE level="optional">
+      <FEEDBACK>
+        <ON_CHECK message="pcreunicodewarning" />
+      </FEEDBACK>
+    </PCREUNICODE>
+    <PHP_EXTENSIONS>
+      <PHP_EXTENSION name="iconv" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="iconvrequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="mbstring" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="mbstringrecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="curl" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="curlrequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="openssl" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="opensslrecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="tokenizer" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="tokenizerrecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="xmlrpc" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="xmlrpcrecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="soap" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="soaprecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="ctype" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="ctyperequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="zip" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="ziprequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="zlib" level="required">
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="gd" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="gdrequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="simplexml" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="simplexmlrequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="spl" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="splrequired" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="pcre" level="required">
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="dom" level="required">
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="xml" level="required">
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="intl" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="intlrecommended" />
+        </FEEDBACK>
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="json" level="required">
+      </PHP_EXTENSION>
+      <PHP_EXTENSION name="hash" level="required"/>
+    </PHP_EXTENSIONS>
+    <PHP_SETTINGS>
+      <PHP_SETTING name="memory_limit" value="96M" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="settingmemorylimit" />
+        </FEEDBACK>
+      </PHP_SETTING>
+      <PHP_SETTING name="file_uploads" value="1" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="settingfileuploads" />
+        </FEEDBACK>
+      </PHP_SETTING>
+      <PHP_SETTING name="opcache.enable" value="1" level="optional">
+        <FEEDBACK>
+          <ON_CHECK message="opcacherecommended" />
+        </FEEDBACK>
+      </PHP_SETTING>
+    </PHP_SETTINGS>
+    <CUSTOM_CHECKS>
+      <CUSTOM_CHECK file="question/engine/upgrade/upgradelib.php" function="quiz_attempts_upgraded" level="required">
+        <FEEDBACK>
+          <ON_ERROR message="quizattemptsupgradedmessage" />
+        </FEEDBACK>
+      </CUSTOM_CHECK>
+    </CUSTOM_CHECKS>
+  </MOODLE>
 </COMPATIBILITY_MATRIX>
@@ -45,9 +45,18 @@ if (!function_exists('iconv')) {
    die();
 }

+// Make sure php5-json is available.
+if (!function_exists('json_encode') || !function_exists('json_decode')) {
+    // This also shouldn't happen.
+    echo 'Moodle requires the json PHP extension. Please install or enable the json extension.';
+    die();
+}
+
 define('NO_OUTPUT_BUFFERING', true);

-if (empty($_GET['cache']) and empty($_POST['cache']) and empty($_GET['sesskey']) and empty($_POST['sesskey'])) {
+if ((isset($_GET['cache']) and $_GET['cache'] === '0')
+        or (isset($_POST['cache']) and $_POST['cache'] === '0')
+        or (!isset($_POST['cache']) and !isset($_GET['cache']) and empty($_GET['sesskey']) and empty($_POST['sesskey']))) {
    // Prevent caching at all cost when visiting this page directly,
    // we redirect to self once we known no upgrades are necessary.
    // Note: $_GET and $_POST are used here intentionally because our param cleaning is not loaded yet.
@@ -72,18 +81,23 @@ $cache          = optional_param('cache', 0, PARAM_BOOL);

 // Set up PAGE.
 $url = new moodle_url('/admin/index.php');
-if (!is_null($newaddonreq)) {
-    // We need to set the eventual add-on installation request in the $PAGE's URL
-    // so that it is stored in $SESSION->wantsurl and the admin is redirected
-    // correctly once they are logged-in.
-    $url->param('installaddonrequest', $newaddonreq);
-}
-if ($cache) {
-    $url->param('cache', $cache);
-}
+$url->param('cache', $cache);
 $PAGE->set_url($url);
 unset($url);

+// Are we returning from an add-on installation request at moodle.org/plugins?
+if ($newaddonreq and !$cache and empty($CFG->disableonclickaddoninstall)) {
+    $target = new moodle_url('/admin/tool/installaddon/index.php', array(
+        'installaddonrequest' => $newaddonreq,
+        'confirm' => 0));
+    if (!isloggedin() or isguestuser()) {
+        // Login and go the the add-on tool page.
+        $SESSION->wantsurl = $target->out();
+        redirect(get_login_url());
+    }
+    redirect($target);
+}
+
 $PAGE->set_pagelayout('admin'); // Set a default pagelayout

 $documentationlink = '<a href="http://docs.moodle.org/en/Installation">Installation docs</a>';
@@ -223,6 +237,13 @@ if ($cache) {
 }

 if ($version > $CFG->version) {  // upgrade
+
+    // Warning about upgrading a test site.
+    $testsite = false;
+    if (defined('BEHAT_SITE_RUNNING')) {
+        $testsite = 'behat';
+    }
+
    // We purge all of MUC's caches here.
    // Caches are disabled for upgrade by CACHE_DISABLE_ALL so we must set the first arg to true.
    // This ensures a real config object is loaded and the stores will be purged.
@@ -235,11 +256,13 @@ if ($version > $CFG->version) {  // upgrade
    $PAGE->set_pagelayout('maintenance');
    $PAGE->set_popup_notification_allowed(false);

+    /** @var core_admin_renderer $output */
+    $output = $PAGE->get_renderer('core', 'admin');
+
    if (upgrade_stale_php_files_present()) {
        $PAGE->set_title($stradministration);
        $PAGE->set_cacheable(false);

-        $output = $PAGE->get_renderer('core', 'admin');
        echo $output->upgrade_stale_php_files_page();
        die();
    }
@@ -254,8 +277,7 @@ if ($version > $CFG->version) {  // upgrade
        $PAGE->set_heading($strdatabasechecking);
        $PAGE->set_cacheable(false);

-        $output = $PAGE->get_renderer('core', 'admin');
-        echo $output->upgrade_confirm_page($a->newversion, $maturity);
+        echo $output->upgrade_confirm_page($a->newversion, $maturity, $testsite);
        die();

    } else if (empty($confirmrelease)){
@@ -268,7 +290,6 @@ if ($version > $CFG->version) {  // upgrade
        $PAGE->set_heading($strcurrentrelease);
        $PAGE->set_cacheable(false);

-        $output = $PAGE->get_renderer('core', 'admin');
        echo $output->upgrade_environment_page($release, $envstatus, $environment_results);
        die();

@@ -282,31 +303,22 @@ if ($version > $CFG->version) {  // upgrade

        $reloadurl = new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1));

-        // check plugin dependencies first
-        $failed = array();
-        if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
-            $output = $PAGE->get_renderer('core', 'admin');
-            echo $output->unsatisfied_dependencies_page($version, $failed, $reloadurl);
-            die();
-        }
-        unset($failed);
-
        if ($fetchupdates) {
-            // no sesskey support guaranteed here
-            if (empty($CFG->disableupdatenotifications)) {
-                available_update_checker::instance()->fetch();
+            $updateschecker = available_update_checker::instance();
+            if ($updateschecker->enabled()) {
+                // No sesskey support guaranteed here, because sessions might not work yet.
+                $updateschecker->fetch();
            }
            redirect($reloadurl);
        }

-        $output = $PAGE->get_renderer('core', 'admin');
-
        $deployer = available_update_deployer::instance();
        if ($deployer->enabled()) {
            $deployer->initialize($reloadurl, $reloadurl);

            $deploydata = $deployer->submitted_data();
            if (!empty($deploydata)) {
+                // No sesskey support guaranteed here, because sessions might not work yet.
                echo $output->upgrade_plugin_confirm_deploy_page($deployer, $deploydata);
                die();
            }
@@ -318,7 +330,18 @@ if ($version > $CFG->version) {  // upgrade
        die();

    } else {
-        // Launch main upgrade
+        // Always verify plugin dependencies!
+        $failed = array();
+        if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
+            $PAGE->set_pagelayout('maintenance');
+            $PAGE->set_popup_notification_allowed(false);
+            $reloadurl = new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1, 'cache' => 0));
+            echo $output->unsatisfied_dependencies_page($version, $failed, $reloadurl);
+            die();
+        }
+        unset($failed);
+
+        // Launch main upgrade.
        upgrade_core($version, true);
    }
 } else if ($version < $CFG->version) {
@@ -338,6 +361,10 @@ if ($branch <> $CFG->branch) {  // Update the branch
 if (moodle_needs_upgrading()) {
    if (!$PAGE->headerprinted) {
        // means core upgrade or installation was not already done
+
+        /** @var core_admin_renderer $output */
+        $output = $PAGE->get_renderer('core', 'admin');
+
        if (!$confirmplugins) {
            $strplugincheck = get_string('plugincheck');

@@ -349,39 +376,44 @@ if (moodle_needs_upgrading()) {
            $PAGE->set_cacheable(false);

            if ($fetchupdates) {
-                // no sesskey support guaranteed here
-                available_update_checker::instance()->fetch();
-                redirect($PAGE->url);
+                $updateschecker = available_update_checker::instance();
+                if ($updateschecker->enabled()) {
+                    require_sesskey();
+                    $updateschecker->fetch();
+                }
+                redirect($reloadurl);
            }

-            $output = $PAGE->get_renderer('core', 'admin');
-
            $deployer = available_update_deployer::instance();
            if ($deployer->enabled()) {
                $deployer->initialize($PAGE->url, $PAGE->url);

                $deploydata = $deployer->submitted_data();
                if (!empty($deploydata)) {
+                    require_sesskey();
                    echo $output->upgrade_plugin_confirm_deploy_page($deployer, $deploydata);
                    die();
                }
            }

-            // check plugin dependencies first
-            $failed = array();
-            if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
-                echo $output->unsatisfied_dependencies_page($version, $failed, $PAGE->url);
-                die();
-            }
-            unset($failed);
-
-            // dependencies check passed, let's rock!
+            // Show plugins info.
            echo $output->upgrade_plugin_check_page(plugin_manager::instance(), available_update_checker::instance(),
                    $version, $showallplugins,
                    new moodle_url($PAGE->url),
                    new moodle_url('/admin/index.php', array('confirmplugincheck'=>1)));
            die();
        }
+
+        // Always verify plugin dependencies!
+        $failed = array();
+        if (!plugin_manager::instance()->all_plugins_ok($version, $failed)) {
+            $PAGE->set_pagelayout('maintenance');
+            $PAGE->set_popup_notification_allowed(false);
+            $reloadurl = new moodle_url('/admin/index.php', array('cache' => 0));
+            echo $output->unsatisfied_dependencies_page($version, $failed, $reloadurl);
+            die();
+        }
+        unset($failed);
    }
    // install/upgrade all plugins and other parts
    upgrade_noncore(true);
@@ -442,6 +474,17 @@ if (during_initial_install()) {
    upgrade_finished('upgradesettings.php');
 }

+if (has_capability('moodle/site:config', context_system::instance())) {
+    if ($fetchupdates) {
+        $updateschecker = available_update_checker::instance();
+        if ($updateschecker->enabled()) {
+            require_sesskey();
+            $updateschecker->fetch();
+        }
+        redirect(new moodle_url('/admin/index.php', array('cache' => 0)));
+    }
+}
+
 // Now we can be sure everything was upgraded and caches work fine,
 // redirect if necessary to make sure caching is enabled.
 if (!$cache and !optional_param('sesskey', '', PARAM_RAW)) {
@@ -450,6 +493,11 @@ if (!$cache and !optional_param('sesskey', '', PARAM_RAW)) {

 // Check for valid admin user - no guest autologin
 require_login(0, false);
+if (isguestuser()) {
+    // Login as real user!
+    $SESSION->wantsurl = (string)new moodle_url('/admin/index.php');
+    redirect(get_login_url());
+}
 $context = context_system::instance();
 require_capability('moodle/site:config', $context);

@@ -467,17 +515,6 @@ if (!empty($id) and $id == $CFG->siteidentifier) {
    set_config('registered', time());
 }

-// Check if we are returning from an add-on installation request at moodle.org/plugins
-if (!is_null($newaddonreq)) {
-    if (!empty($CFG->disableonclickaddoninstall)) {
-        // The feature is disabled in config.php, ignore the request.
-    } else {
-        redirect(new moodle_url('/admin/tool/installaddon/index.php', array(
-            'installaddonrequest' => $newaddonreq,
-            'confirm' => 0)));
-    }
-}
-
 // setup critical warnings before printing admin tree block
 $insecuredataroot = is_dataroot_insecure(true);
 $SESSION->admin_critical_warning = ($insecuredataroot==INSECURE_DATAROOT_ERROR);
@@ -531,12 +568,6 @@ $registered = $DB->count_records('registration_hubs', array('huburl' => HUB_MOOD

 admin_externalpage_setup('adminnotifications');

-if ($fetchupdates) {
-    require_sesskey();
-    $updateschecker->fetch();
-    redirect(new moodle_url('/admin/index.php'));
-}
-
 $output = $PAGE->get_renderer('core', 'admin');
 echo $output->admin_notifications_page($maturity, $insecuredataroot, $errorsdisplayed,
        $cronoverdue, $dbproblems, $maintenancemode, $availableupdates, $availableupdatesfetch, $buggyiconvnomb,
@@ -16,8 +16,6 @@ require_login();

 admin_externalpage_setup('ssoaccesscontrol');

-echo $OUTPUT->header();
-
 if (!extension_loaded('openssl')) {
    print_error('requiresopenssl', 'mnet');
 }
@@ -65,9 +63,11 @@ if (!empty($action) and confirm_sesskey()) {

            if (mnet_update_sso_access_control($idrec->username, $idrec->mnet_host_id, $accessctrl)) {
                if ($accessctrl == 'allow') {
-                    redirect('access_control.php', get_string('ssl_acl_allow','mnet', array('uset'=>$idrec->username, 'host'=>$mnethosts[$idrec->mnet_host_id])));
-                } elseif ($accessctrl == 'deny') {
-                    redirect('access_control.php', get_string('ssl_acl_deny','mnet', array('user'=>$idrec->username, 'host'=>$mnethosts[$idrec->mnet_host_id])));
+                    redirect('access_control.php', get_string('ssl_acl_allow','mnet', array('user' => $idrec->username,
+                        'host' => $mnethosts[$idrec->mnet_host_id])));
+                } else if ($accessctrl == 'deny') {
+                    redirect('access_control.php', get_string('ssl_acl_deny','mnet', array('user' => $idrec->username,
+                        'host' => $mnethosts[$idrec->mnet_host_id])));
                }
            }
            break;
@@ -118,6 +118,8 @@ if ($form = data_submitted() and confirm_sesskey()) {
    exit;
 }

+echo $OUTPUT->header();
+
 // Explain
 echo $OUTPUT->box(get_string('ssoacldescr','mnet'));
 // Are the needed bits enabled?
@@ -135,9 +135,10 @@ class core_admin_renderer extends plugin_renderer_base {
     * during upgrade.
     * @param string $strnewversion
     * @param int $maturity
+     * @param string $testsite
     * @return string HTML to output.
     */
-    public function upgrade_confirm_page($strnewversion, $maturity) {
+    public function upgrade_confirm_page($strnewversion, $maturity, $testsite) {
        $output = '';

        $continueurl = new moodle_url('index.php', array('confirmupgrade' => 1));
@@ -145,6 +146,7 @@ class core_admin_renderer extends plugin_renderer_base {

        $output .= $this->header();
        $output .= $this->maturity_warning($maturity);
+        $output .= $this->test_site_warning($testsite);
        $output .= $this->confirm(get_string('upgradesure', 'admin', $strnewversion), $continueurl, $cancelurl);
        $output .= $this->footer();

@@ -168,7 +170,7 @@ class core_admin_renderer extends plugin_renderer_base {
        $output .= $this->environment_check_table($envstatus, $environment_results);

        if (!$envstatus) {
-            $output .= $this->upgrade_reload(new moodle_url('/admin/index.php'), array('confirmupgrade' => 1));
+            $output .= $this->upgrade_reload(new moodle_url('/admin/index.php'), array('confirmupgrade' => 1, 'cache' => 0));

        } else {
            $output .= $this->notification(get_string('environmentok', 'admin'), 'notifysuccess');
@@ -177,7 +179,7 @@ class core_admin_renderer extends plugin_renderer_base {
                $output .= $this->box(get_string('langpackwillbeupdated', 'admin'), 'generalbox', 'notice');
            }

-            $output .= $this->continue_button(new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1)));
+            $output .= $this->continue_button(new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1, 'cache' => 0)));
        }

        $output .= $this->footer();
@@ -604,6 +606,24 @@ class core_admin_renderer extends plugin_renderer_base {
                'generalbox maturitywarning');
    }

+    /*
+     * If necessary, displays a warning about upgrading a test site.
+     *
+     * @param string $testsite
+     * @return string HTML
+     */
+    protected function test_site_warning($testsite) {
+
+        if (!$testsite) {
+            return '';
+        }
+
+        return $this->box(
+            $this->container(get_string('testsiteupgradewarning', 'admin', $testsite)),
+            'generalbox testsitewarning'
+        );
+    }
+
    /**
     * Output the copyright notice.
     * @return string HTML to output.
@@ -681,7 +701,7 @@ class core_admin_renderer extends plugin_renderer_base {
        }

        $updateinfo .= $this->container_start('checkforupdates');
-        $fetchurl = new moodle_url('/admin/index.php', array('fetchupdates' => 1, 'sesskey' => sesskey(), 'cache' => 1));
+        $fetchurl = new moodle_url('/admin/index.php', array('fetchupdates' => 1, 'sesskey' => sesskey(), 'cache' => 0));
        $updateinfo .= $this->single_button($fetchurl, get_string('checkforupdates', 'core_plugin'));
        if ($fetch) {
            $updateinfo .= $this->container(get_string('checkforupdateslast', 'core_plugin',
@@ -932,7 +952,7 @@ class core_admin_renderer extends plugin_renderer_base {
            $out .= $this->output->heading(get_string('nonehighlighted', 'core_plugin'));
            if (empty($options['full'])) {
                $out .= html_writer::link(new moodle_url('/admin/index.php',
-                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1)),
+                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1, 'cache' => 0)),
                    get_string('nonehighlightedinfo', 'core_plugin'));
            }
            $out .= $this->output->container_end();
@@ -942,11 +962,11 @@ class core_admin_renderer extends plugin_renderer_base {
            $out .= $this->output->heading(get_string('somehighlighted', 'core_plugin', $sumofhighlighted));
            if (empty($options['full'])) {
                $out .= html_writer::link(new moodle_url('/admin/index.php',
-                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1)),
+                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1, 'cache' => 0)),
                    get_string('somehighlightedinfo', 'core_plugin'));
            } else {
                $out .= html_writer::link(new moodle_url('/admin/index.php',
-                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 0)),
+                    array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 0, 'cache' => 0)),
                    get_string('somehighlightedonly', 'core_plugin'));
            }
            $out .= $this->output->container_end();
@@ -294,9 +294,9 @@ if (($action == 'edit') || ($action == 'new')) {

    // Get list of used plug-ins
    $repositorytypes = repository::get_types();
+    // Array to store plugins being used
+    $alreadyplugins = array();
    if (!empty($repositorytypes)) {
-        // Array to store plugins being used
-        $alreadyplugins = array();
        $totalrepositorytypes = count($repositorytypes);
        $updowncount = 1;
        foreach ($repositorytypes as $i) {
@@ -75,7 +75,8 @@
                $a->id = $roleid;
                $a->name = $roles[$roleid]->name;
                $a->shortname = $roles[$roleid]->shortname;
-                $a->count = $DB->count_records('role_assignments', array('roleid'=>$roleid));
+                $a->count = $DB->count_records_select('role_assignments',
+                    'roleid = ?', array($roleid), 'COUNT(DISTINCT userid)');

                $formcontinue = new single_button(new moodle_url($baseurl, $optionsyes), get_string('yes'));
                $formcancel = new single_button(new moodle_url($baseurl), get_string('no'), 'get');
@@ -32,6 +32,7 @@ if (($hassiteconfig || has_any_capability(array(
            'moodle/badges:createbadge',
            'moodle/badges:manageglobalsettings',
            'moodle/badges:awardbadge',
+            'moodle/badges:configurecriteria',
            'moodle/badges:configuremessages',
            'moodle/badges:configuredetails',
            'moodle/badges:deletebadge'), $systemcontext))) {
@@ -74,6 +75,7 @@ if (($hassiteconfig || has_any_capability(array(
                'moodle/badges:viewawarded',
                'moodle/badges:createbadge',
                'moodle/badges:awardbadge',
+                'moodle/badges:configurecriteria',
                'moodle/badges:configuremessages',
                'moodle/badges:configuredetails',
                'moodle/badges:deletebadge'
@@ -32,48 +32,46 @@ if ($hassiteconfig) { // speedup for non-admins, add all caps used on this page
    $temp->add(new admin_setting_configcheckbox('debugpageinfo', new lang_string('debugpageinfo', 'admin'), new lang_string('configdebugpageinfo', 'admin'), 0));
    $ADMIN->add('development', $temp);

-    // "profiling" settingpage (conditionally if the 'xhprof' extension is available only)
-    if (extension_loaded('xhprof') && function_exists('xhprof_enable')) {
-        $temp = new admin_settingpage('profiling', new lang_string('profiling', 'admin'));
-        // Main profiling switch
-        $temp->add(new admin_setting_configcheckbox('profilingenabled', new lang_string('profilingenabled', 'admin'), new lang_string('profilingenabled_help', 'admin'), false));
-        // List of URLs that will be automatically profiled
-        $temp->add(new admin_setting_configtextarea('profilingincluded', new lang_string('profilingincluded', 'admin'), new lang_string('profilingincluded_help', 'admin'), ''));
-        // List of URLs that won't be profiled ever
-        $temp->add(new admin_setting_configtextarea('profilingexcluded', new lang_string('profilingexcluded', 'admin'), new lang_string('profilingexcluded_help', 'admin'), ''));
-        // Allow random profiling each XX requests
-        $temp->add(new admin_setting_configtext('profilingautofrec', new lang_string('profilingautofrec', 'admin'), new lang_string('profilingautofrec_help', 'admin'), 0, PARAM_INT));
-        // Allow PROFILEME/DONTPROFILEME GPC
-        $temp->add(new admin_setting_configcheckbox('profilingallowme', new lang_string('profilingallowme', 'admin'), new lang_string('profilingallowme_help', 'admin'), false));
-        // Allow PROFILEALL/PROFILEALLSTOP GPC
-        $temp->add(new admin_setting_configcheckbox('profilingallowall', new lang_string('profilingallowall', 'admin'), new lang_string('profilingallowall_help', 'admin'), false));
-        // TODO: Allow to skip PHP functions (XHPROF_FLAGS_NO_BUILTINS)
-        // TODO: Allow to skip call_user functions (ignored_functions array)
-        // Specify the life time (in minutes) of profiling runs
-        $temp->add(new admin_setting_configselect('profilinglifetime', new lang_string('profilinglifetime', 'admin'), new lang_string('profilinglifetime_help', 'admin'), 24*60, array(
-             0 => new lang_string('neverdeleteruns', 'admin'),
-      30*24*60 => new lang_string('numdays', '', 30),
-      15*24*60 => new lang_string('numdays', '', 15),
-       7*24*60 => new lang_string('numdays', '', 7),
-       4*24*60 => new lang_string('numdays', '', 4),
-       2*24*60 => new lang_string('numdays', '', 2),
-         24*60 => new lang_string('numhours', '', 24),
-         16*80 => new lang_string('numhours', '', 16),
-          8*60 => new lang_string('numhours', '', 8),
-          4*60 => new lang_string('numhours', '', 4),
-          2*60 => new lang_string('numhours', '', 2),
-            60 => new lang_string('numminutes', '', 60),
-            30 => new lang_string('numminutes', '', 30),
-            15 => new lang_string('numminutes', '', 15))));
-        // Define the prefix to be added to imported profiling runs.
-        $temp->add(new admin_setting_configtext('profilingimportprefix',
-                new lang_string('profilingimportprefix', 'admin'),
-                new lang_string('profilingimportprefix_desc', 'admin'), '(I)', PARAM_TAG, 10));
-
-        // Add the 'profiling' page to admin block
-        $ADMIN->add('development', $temp);
-    }
+    // "Profiling" settingpage (conditionally if the 'xhprof' extension is available only).
+    $xhprofenabled = extension_loaded('xhprof') && function_exists('xhprof_enable');
+    $temp = new admin_settingpage('profiling', new lang_string('profiling', 'admin'), 'moodle/site:config', !$xhprofenabled);
+    // Main profiling switch.
+    $temp->add(new admin_setting_configcheckbox('profilingenabled', new lang_string('profilingenabled', 'admin'), new lang_string('profilingenabled_help', 'admin'), false));
+    // List of URLs that will be automatically profiled.
+    $temp->add(new admin_setting_configtextarea('profilingincluded', new lang_string('profilingincluded', 'admin'), new lang_string('profilingincluded_help', 'admin'), ''));
+    // List of URLs that won't be profiled ever.
+    $temp->add(new admin_setting_configtextarea('profilingexcluded', new lang_string('profilingexcluded', 'admin'), new lang_string('profilingexcluded_help', 'admin'), ''));
+    // Allow random profiling each XX requests.
+    $temp->add(new admin_setting_configtext('profilingautofrec', new lang_string('profilingautofrec', 'admin'), new lang_string('profilingautofrec_help', 'admin'), 0, PARAM_INT));
+    // Allow PROFILEME/DONTPROFILEME GPC.
+    $temp->add(new admin_setting_configcheckbox('profilingallowme', new lang_string('profilingallowme', 'admin'), new lang_string('profilingallowme_help', 'admin'), false));
+    // Allow PROFILEALL/PROFILEALLSTOP GPC.
+    $temp->add(new admin_setting_configcheckbox('profilingallowall', new lang_string('profilingallowall', 'admin'), new lang_string('profilingallowall_help', 'admin'), false));
+    // TODO: Allow to skip PHP functions (XHPROF_FLAGS_NO_BUILTINS)
+    // TODO: Allow to skip call_user functions (ignored_functions array)
+    // Specify the life time (in minutes) of profiling runs.
+    $temp->add(new admin_setting_configselect('profilinglifetime', new lang_string('profilinglifetime', 'admin'), new lang_string('profilinglifetime_help', 'admin'), 24*60, array(
+               0 => new lang_string('neverdeleteruns', 'admin'),
+        30*24*60 => new lang_string('numdays', '', 30),
+        15*24*60 => new lang_string('numdays', '', 15),
+         7*24*60 => new lang_string('numdays', '', 7),
+         4*24*60 => new lang_string('numdays', '', 4),
+         2*24*60 => new lang_string('numdays', '', 2),
+           24*60 => new lang_string('numhours', '', 24),
+           16*80 => new lang_string('numhours', '', 16),
+            8*60 => new lang_string('numhours', '', 8),
+            4*60 => new lang_string('numhours', '', 4),
+            2*60 => new lang_string('numhours', '', 2),
+              60 => new lang_string('numminutes', '', 60),
+              30 => new lang_string('numminutes', '', 30),
+              15 => new lang_string('numminutes', '', 15))));
+    // Define the prefix to be added to imported profiling runs.
+    $temp->add(new admin_setting_configtext('profilingimportprefix',
+            new lang_string('profilingimportprefix', 'admin'),
+            new lang_string('profilingimportprefix_desc', 'admin'), '(I)', PARAM_TAG, 10));

+    // Add the 'profiling' page to admin block.
+    $ADMIN->add('development', $temp);

     // Web service test clients DO NOT COMMIT : THE EXTERNAL WEB PAGE IS NOT AN ADMIN PAGE !!!!!
    $ADMIN->add('development', new admin_externalpage('testclient', new lang_string('testclient', 'webservice'), "$CFG->wwwroot/$CFG->admin/webservice/testclient.php"));
@@ -17,7 +17,7 @@
 /**
 * Steps definitions related with administration.
 *
- * @package   core
+ * @package   core_admin
 * @category  test
 * @copyright 2013 David Monllaó
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -34,7 +34,7 @@ use Behat\Gherkin\Node\TableNode as TableNode,
 /**
 * Site administration level steps definitions.
 *
- * @package    core
+ * @package    core_admin
 * @category   test
 * @copyright  2013 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -76,11 +76,25 @@ class behat_admin extends behat_base {
            // The argument should be converted to an xpath literal.
            $label = $this->getSession()->getSelectorsHandler()->xpathLiteral($label);

-            $fieldxpath = "//*[self::input | self::textarea | self::select][not(./@type = 'submit' or ./@type = 'image' or ./@type = 'hidden')]" .
-                "[@id=//label[contains(normalize-space(.), $label)]/@for]";
-            $fieldnode = $this->find('xpath', $fieldxpath, $exception);
-            $formfieldtypenode = $this->find('xpath', $fieldxpath . "/ancestor::div[@class='form-setting']" .
-                "/child::div[contains(concat(' ', @class, ' '),  ' form-')]/child::*/parent::div");
+            // Single element settings.
+            try {
+                $fieldxpath = "//*[self::input | self::textarea | self::select][not(./@type = 'submit' or ./@type = 'image' or ./@type = 'hidden')]" .
+                    "[@id=//label[contains(normalize-space(.), $label)]/@for]";
+                $fieldnode = $this->find('xpath', $fieldxpath, $exception);
+
+                $formfieldtypenode = $this->find('xpath', $fieldxpath . "/ancestor::div[@class='form-setting']" .
+                    "/child::div[contains(concat(' ', @class, ' '),  ' form-')]/child::*/parent::div");
+
+            } catch (ElementNotFoundException $e) {
+
+                // Multi element settings, interacting only the first one.
+                $fieldxpath = "//descendant::label[.= $label]/ancestor::div[contains(concat(' ', normalize-space(@class), ' '), ' form-item ')]" .
+                    "/descendant::div[@class='form-group']/descendant::*[self::input | self::textarea | self::select][not(./@type = 'submit' or ./@type = 'image' or ./@type = 'hidden')]";
+                $fieldnode = $this->find('xpath', $fieldxpath);
+
+                // It is the same one that contains the type.
+                $formfieldtypenode = $fieldnode;
+            }

            // Getting the class which contains the field type.
            $classes = explode(' ', $formfieldtypenode->getAttribute('class'));
@@ -1,4 +1,4 @@
-@core @core_admin @_only_local
+@core @core_admin @_only_local @_file_upload
 Feature: Upload users
  In order to add users to the system
  As an admin
@@ -92,21 +92,17 @@ ini_set('log_errors', '1');
 // Getting $CFG data.
 require_once(__DIR__ . '/../../../../config.php');

-// CFG->behat_prefix must be set and with value different than CFG->prefix and phpunit_prefix.
-if (empty($CFG->behat_prefix) ||
-       ($CFG->behat_prefix == $CFG->prefix) ||
-       (!empty($CFG->phpunit_prefix) && $CFG->behat_prefix == $CFG->phpunit_prefix)) {
-    behat_error(BEHAT_EXITCODE_CONFIG,
-        'Define $CFG->behat_prefix in config.php with a value different than $CFG->prefix and $CFG->phpunit_prefix');
-}
+// When we use the utilities we don't know how the site
+// will be accessed, so if neither $CFG->behat_switchcompletely or
+// $CFG->behat_wwwroot are set we must think that the site will
+// be accessed using the built-in server which is set by default
+// to localhost:8000. We need to do this to prevent uses of the production
+// wwwroot when the site is being installed / dropped...
+$CFG->behat_wwwroot = behat_get_wwwroot();

-// CFG->behat_dataroot must be set and with value different than CFG->dataroot and phpunit_dataroot.
-if (empty($CFG->behat_dataroot) ||
-       ($CFG->behat_dataroot == $CFG->dataroot) ||
-       (!empty($CFG->phpunit_dataroot) && $CFG->behat_dataroot == $CFG->phpunit_dataroot)) {
-    behat_error(BEHAT_EXITCODE_CONFIG,
-        'Define $CFG->behat_dataroot in config.php with a value different than $CFG->dataroot and $CFG->phpunit_dataroot');
-}
+// Checking the integrity of the provided $CFG->behat_* vars
+// to prevent conflicts with production and phpunit environments.
+behat_check_config_vars();

 // Create behat_dataroot if it doesn't exists.
 if (!file_exists($CFG->behat_dataroot)) {
@@ -186,8 +182,8 @@ if ($options['install']) {
    mtrace("Acceptance tests site dropped");
 } else if ($options['enable']) {
    behat_util::start_test_mode();
-    $runtestscommand = behat_command::get_behat_command() . ' --config '
-        . $CFG->behat_dataroot . DIRECTORY_SEPARATOR . 'behat' . DIRECTORY_SEPARATOR . 'behat.yml';
+    $runtestscommand = behat_command::get_behat_command(true) .
+        ' --config ' . behat_config_manager::get_behat_cli_config_filepath();
    mtrace("Acceptance tests environment enabled, to run the tests use:\n " . $runtestscommand);
 } else if ($options['disable']) {
    behat_util::stop_test_mode();
@@ -27,6 +27,11 @@ require_once($CFG->libdir.'/adminlib.php');
 require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/behat/locallib.php');
 require_once($CFG->libdir . '/behat/classes/behat_config_manager.php');

+// This page usually takes an exceedingly long time to load, so we need to
+// increase the time limit. At present it takes about a minute on some
+// systems, but let's allow room for expansion.
+set_time_limit(300);
+
 $filter = optional_param('filter', '', PARAM_ALPHANUMEXT);
 $type = optional_param('type', false, PARAM_ALPHAEXT);
 $component = optional_param('component', '', PARAM_ALPHAEXT);
@@ -38,6 +38,7 @@ $string['stepsdefinitionscontains'] = 'Contains';
 $string['stepsdefinitionsfilters'] = 'Steps definitions';
 $string['stepsdefinitionstype'] = 'Type';
 $string['theninfo'] = 'Then. Checkings to ensure the outcomes are the expected ones';
+$string['unknownexceptioninfo'] = 'There was a problem with Selenium or your browser. Please ensure you are using the latest version of Selenium. Error:';
 $string['viewsteps'] = 'Filter';
 $string['wheninfo'] = 'When. Actions that provokes an event';
 $string['wrongbehatsetup'] = 'Something is wrong with behat setup, ensure:<ul>
@@ -68,10 +68,10 @@ class tool_behat_renderer extends plugin_renderer_base {
        $html .= $this->output->box_start();
        $html .= html_writer::tag('h1', get_string('infoheading', 'tool_behat'));
        $html .= html_writer::tag('div', get_string('aim', 'tool_behat'));
-        $html .= html_writer::empty_tag('div');
-        $html .= html_writer::empty_tag('ul');
-        $html .= html_writer::empty_tag('li');
-        $html .= implode(html_writer::end_tag('li') . html_writer::empty_tag('li'), $infos);
+        $html .= html_writer::start_tag('div');
+        $html .= html_writer::start_tag('ul');
+        $html .= html_writer::start_tag('li');
+        $html .= implode(html_writer::end_tag('li') . html_writer::start_tag('li'), $infos);
        $html .= html_writer::end_tag('li');
        $html .= html_writer::end_tag('ul');
        $html .= html_writer::end_tag('div');
@@ -18,12 +18,12 @@ Feature: Page contents assertions
    When I follow "Overview"
    And I wait until the page is ready
    And I wait "2" seconds
-    And I hover ".region-content .generaltable td span" "css_element"
+    And I hover "#region-main .generaltable td span" "css_element"
    Then I should see "I'm the description"
    And I should see "Filter groups by"
    And I should not see "Filter groupssss by"
-    And I should see "Group members" in the ".region-content table th.c1" "css_element"
-    And I should not see "Group membersssss" in the ".region-content table th.c1" "css_element"
+    And I should see "Group members" in the "#region-main table th.c1" "css_element"
+    And I should not see "Group membersssss" in the "#region-main table th.c1" "css_element"
    And I follow "Groups"
    And the "#groupeditform #showcreateorphangroupform" "css_element" should be enabled
    And the "#groupeditform #showeditgroupsettingsform" "css_element" should be disabled
@@ -36,7 +36,7 @@ Feature: Page contents assertions
    And I log in as "admin"
    And I follow "Course 1"
    When I click on "Move this to the dock" "button" in the "Administration" "block"
-    Then I should not see "Question bank"
+    Then I should not see "Question bank" in the "region-pre" "region"
    And I click on "//div[@id='dock']/descendant::h2[normalize-space(.)='Administration']" "xpath_element"

  @javascript
@@ -46,4 +46,4 @@ Feature: Page contents assertions
      | Course 1 | C1 | 0 |
    And I log in as "admin"
    When I click on "Move this to the dock" "button" in the "Administration" "block"
-    Then I should not see "Turn editing on"
+    Then I should not see "Turn editing on" in the "region-pre" "region"
@@ -65,6 +65,37 @@ Feature: Set up contextual data for tests
    And I should see "Grouping 1"
    And I should see "Grouping 2"

+  @javascript
+  Scenario: Role overrides
+    Given the following "users" exists:
+      | username | firstname | lastname | email |
+      | teacher1 | Teacher | 1 | teacher1@asd.com |
+      | student1 | Student | 1 | student1@asd.com |
+    And the following "categories" exists:
+      | name | category | idnumber |
+      | Cat 1 | 0 | CAT1 |
+    And the following "courses" exists:
+      | fullname | shortname |
+      | Course 1 | C1 |
+    And the following "course enrolments" exists:
+      | user | course | role |
+      | student1 | C1 | student |
+      | teacher1 | C1 | editingteacher |
+    And the following "permission overrides" exists:
+      | capability | permission | role | contextlevel | reference |
+      | mod/forum:editanypost | Allow | student | Course | C1 |
+      | mod/forum:replynews | Prevent | editingteacher | Course | C1 |
+    When I log in as "admin"
+    And I follow "Course 1"
+    And I expand "Users" node
+    And I follow "Permissions"
+    And I select "Student (1)" from "Advanced role override"
+    Then "mod/forum:editanypost" capability has "Allow" permission
+    And I press "Cancel"
+    And I select "Teacher (1)" from "Advanced role override"
+    And "mod/forum:replynews" capability has "Prevent" permission
+    And I press "Cancel"
+
  Scenario: Add course enrolments
    Given the following "users" exists:
      | username | firstname | lastname | email |
@@ -79,6 +110,65 @@ Feature: Set up contextual data for tests
    And I follow "Course 1"
    Then I should see "Topic 1"

+  Scenario: Add role assigns
+    Given the following "users" exists:
+      | username | firstname | lastname | email |
+      | user1 | User | 1 | user1@moodlemoodle.com |
+      | user2 | User | 2 | user2@moodlemoodle.com |
+      | user3 | User | 3 | user3@moodlemoodle.com |
+    And the following "categories" exists:
+      | name | category | idnumber |
+      | Cat 1 | 0 | CAT1 |
+    And the following "courses" exists:
+      | fullname | shortname | category |
+      | Course 1 | C1 | CAT1 |
+    And the following "role assigns" exists:
+      | user  | role           | contextlevel | reference |
+      | user1 | manager        | System       |           |
+      | user2 | editingteacher | Category     | CAT1      |
+      | user3 | editingteacher | Course       | C1        |
+    When I log in as "user1"
+    Then I should see "Front page settings"
+    And I log out
+    And I log in as "user2"
+    And I follow "Course 1"
+    And I should see "Turn editing on"
+    And I log out
+    And I log in as "user3"
+    And I follow "Course 1"
+    And I should see "Turn editing on"
+
+  Scenario: Add modules
+    Given the following "courses" exists:
+      | fullname | shortname |
+      | Course 1 | C1 |
+    And the following "activities" exists:
+      | activity   | name                   | intro                         | course | idnumber    |
+      | assign     | Test assignment name   | Test assignment description   | C1     | assign1     |
+      | assignment | Test assignment22 name | Test assignment22 description | C1     | assignment1 |
+      | data       | Test database name     | Test database description     | C1     | data1       |
+      | forum      | Test forum name        | Test forum description        | C1     | forum1      |
+      | label      | Test label name        | Test label description        | C1     | label1      |
+      | lti        | Test lti name          | Test lti description          | C1     | lti1        |
+      | page       | Test page name         | Test page description         | C1     | page1       |
+      | quiz       | Test quiz name         | Test quiz description         | C1     | quiz1       |
+      | resource   | Test resource name     | Test resource description     | C1     | resource1   |
+    When I log in as "admin"
+    And I follow "Course 1"
+    Then I should see "Test assignment name"
+    # Assignment 2.2 is disabled by default:
+    # And I should see "Test assignment22 name"
+    And I should see "Test database name"
+    And I should see "Test forum name"
+    # User can see label description instead of name on the course page:
+    And I should see "Test label description"
+    And I should see "Test lti name"
+    And I should see "Test page name"
+    And I should see "Test quiz name"
+    And I should see "Test resource name"
+    And I follow "Test assignment name"
+    And I should see "Test assignment description"
+
  @javascript
  Scenario: Add relations between users and groups
    Given the following "users" exists:
@@ -25,10 +25,10 @@ Feature: Edit capabilities
      | moodle/grade:managesharedforms | Prevent |
      | moodle/course:request | Prohibit |
    When I follow "Edit Teacher role"
-    Then the "block/mnet_hosts:myaddinstance" field should match "1" value
-    And the "moodle/community:add" field should match "0" value
-    And the "moodle/grade:managesharedforms" field should match "-1" value
-    And the "moodle/course:request" field should match "-1000" value
+    Then "block/mnet_hosts:myaddinstance" capability has "Allow" permission
+    And "moodle/community:add" capability has "Not set" permission
+    And "moodle/grade:managesharedforms" capability has "Prevent" permission
+    And "moodle/course:request" capability has "Prohibit" permission

  @javascript
  Scenario: Course capabilities overrides
@@ -41,9 +41,9 @@ Feature: Edit capabilities
      | mod/forum:editanypost | Prevent |
      | mod/forum:addquestion | Allow |
    When I select "Student (3)" from "Advanced role override"
-    Then the "mod/forum:deleteanypost" field should match "-1000" value
-    And the "mod/forum:editanypost" field should match "-1" value
-    And the "mod/forum:addquestion" field should match "1" value
+    Then "mod/forum:deleteanypost" capability has "Prohibit" permission
+    And "mod/forum:editanypost" capability has "Prevent" permission
+    And "mod/forum:addquestion" capability has "Allow" permission

  @javascript
  Scenario: Module capabilities overrides
@@ -60,6 +60,6 @@ Feature: Edit capabilities
      | mod/forum:editanypost | Prevent |
      | mod/forum:addquestion | Allow |
    When I select "Student (3)" from "Advanced role override"
-    Then the "mod/forum:deleteanypost" field should match "-1000" value
-    And the "mod/forum:editanypost" field should match "-1" value
-    And the "mod/forum:addquestion" field should match "1" value
+    Then "mod/forum:deleteanypost" capability has "Prohibit" permission
+    And "mod/forum:editanypost" capability has "Prevent" permission
+    And "mod/forum:addquestion" capability has "Allow" permission
@@ -0,0 +1,179 @@
+@tool_behat
+Feature: Verify that all form fields values can be get and set
+  In order to use behat steps definitions
+  As a test writer
+  I need to verify it all works in real moodle forms
+
+  Background:
+    Given the following "courses" exists:
+      | fullname | shortname | category |
+      | Course 1 | C1 | 0 |
+    And the following "users" exists:
+      | username | email | firstname | lastname |
+      | student1 | s1@asd.com | Student | 1 |
+      | student2 | s2@asd.com | Student | 2 |
+      | student3 | s3@asd.com | Student | 3 |
+    And the following "course enrolments" exists:
+      | user | course | role |
+      | student1 | C1 | student |
+      | student2 | C1 | student |
+      | student3 | C1 | student |
+      | admin | C1 | editingteacher |
+    And the following "groups" exists:
+      | name | description | course | idnumber |
+      | Group 1 | G1 description | C1 | G1 |
+      | Group 2 | G1 description | C1 | G2 |
+    And the following "group members" exists:
+      | user | group |
+      | student1 | G1 |
+      | student2 | G1 |
+      | student2 | G2 |
+      | student3 | G2 |
+    And I log in as "admin"
+    And I expand "Site administration" node
+    And I expand "Appearance" node
+    And I follow "Manage tags"
+    # Select (multi-select) - We will check "I fill in...".
+    And I fill in "otagsadd" with "OT1, OT2, OT3, OT4, OT5"
+    And I press "Add official tags"
+    And I am on homepage
+    And I follow "Course 1"
+    And I turn editing mode on
+    And I add a "Wiki" to section "1" and I fill the form with:
+      | Wiki name | Test this one |
+      | Description | Test this one |
+      | First page name | Test this one |
+      | Wiki mode | Collaborative wiki |
+      | Visible | Hide |
+    And I follow "Test this one"
+    And I press "Create page"
+    # Select (multi-select) - Checking "the select box should contain".
+    And the "tags[officialtags][]" select box should contain "OT1"
+    And the "tags[officialtags][]" select box should contain "OT2"
+    And the "tags[officialtags][]" select box should contain "OT3"
+    And the "tags[officialtags][]" select box should contain "OT4"
+    And the "tags[officialtags][]" select box should contain "OT5"
+    And the "tags[officialtags][]" select box should contain "OT1, OT2, OT3, OT4, OT5"
+    And the "tags[officialtags][]" select box should contain "OT5, OT4, OT3, OT2, OT1"
+    And the "tags[officialtags][]" select box should not contain "OT6"
+    And the "tags[officialtags][]" select box should not contain "OT7"
+    And the "tags[officialtags][]" select box should not contain "OT6, OT7"
+    # Text (textarea & editor) & Select (multi-select) - Checking "I fill the moodle form with".
+    When I fill the moodle form with:
+      | HTML format | Student page contents to be tagged |
+      | tags[officialtags][] | OT1, OT3, OT5 |
+    And I press "Save"
+    Then I should see "Student page contents to be tagged" in the "region-main" "region"
+    And I should see "OT1" in the ".wiki-tags" "css_element"
+    And I should see "OT3" in the ".wiki-tags" "css_element"
+    And I should see "OT5" in the ".wiki-tags" "css_element"
+    And I should not see "OT2" in the ".wiki-tags" "css_element"
+    And I should not see "OT4" in the ".wiki-tags" "css_element"
+    And I follow "Edit"
+    # Select (multi-select) - Checking "I select from".
+    And I select "OT2, OT4" from "tags[officialtags][]"
+    And I press "Save"
+    And I should see "OT2" in the ".wiki-tags" "css_element"
+    And I should see "OT4" in the ".wiki-tags" "css_element"
+    And I should not see "OT1" in the ".wiki-tags" "css_element"
+    And I should not see "OT3" in the ".wiki-tags" "css_element"
+    And I should not see "OT5" in the ".wiki-tags" "css_element"
+    And I follow "Edit"
+    # Select (multi-select) - Checking "the field should match" and "the field does not match value".
+    And the "tags[officialtags][]" field should match "OT2, OT4" value
+    And the field "tags[officialtags][]" does not match value "OT4"
+    And the field "tags[officialtags][]" does not match value "OT2"
+    And the field "tags[officialtags][]" does not match value "OT1, OT3, OT5"
+    And I press "Cancel"
+    And I follow "Edit settings"
+    And I expand all fieldsets
+    # Checkbox - Checking "I check".
+    And I check "Display description on course page"
+    # Checkbox - Checking "I fill the moodle form with:".
+    And I fill the moodle form with:
+      | Force format | 1 |
+    # Checkbox - Checking "the field should match" and "the field does not match value".
+    And the "Display description on course page" field should match "1" value
+    And the field "Display description on course page" does not match value ""
+    And I press "Save and return to course"
+    And I should see "Test this one"
+    And I follow "Test this one"
+    And I follow "Edit settings"
+    # Checkbox - Checking "the field should match" and "the following fields match these values".
+    And the following fields match these values:
+      | Display description on course page | 1 |
+      | Default format | HTML |
+      | Wiki name | Test this one |
+    And the "Force format" field should match "1" value
+    # Select (simple) - Checking "I fill the moodle form with:".
+    And I fill the moodle form with:
+      | Default format | NWiki |
+      | Display description on course page | |
+    # Checkbox - Checking "I uncheck".
+    And I uncheck "Force format"
+    # Select (simple) - Checking "I select from".
+    And I select "Separate groups" from "Group mode"
+    And I press "Save and display"
+    And I follow "Edit settings"
+    And the following fields match these values:
+      | Default format | NWiki |
+      | Group mode | Separate groups |
+      | Display description on course page | |
+      | Force format | |
+    # All fields - Checking "the following fields do not match these values".
+    And the following fields do not match these values:
+      | Wiki name | Test this one baby |
+      | Default format | HTML |
+      | Force format | 1 |
+    And I press "Cancel"
+    And I follow "Course 1"
+    # Radio - Checking "I check" and "the field should match".
+    And I add a "Choice" to section "1" and I fill the form with:
+      | Choice name | Test choice name |
+      | Description | Test choice description |
+      | Allow choice to be updated | Yes |
+      | Option 1 | one |
+      | Option 2 | two |
+      | Option 3 | three |
+    And I follow "Test choice name"
+    And I check "one"
+    And I press "Save my choice"
+    And the "one" field should match "1" value
+    And the "two" field should match "" value
+
+  Scenario: with JS disabled all form fields getters and setters works as expected
+
+  @javascript
+  Scenario: with JS enabled all form fields getters and setters works as expected
+    Then I follow "Course 1"
+    And I expand "Users" node
+    And I follow "Groups"
+    # Select (multi-select & AJAX) - Checking "I select from" and "select box should contain".
+    And I select "Group 2" from "groups"
+    And I wait "5" seconds
+    And the "members" select box should contain "Student 2"
+    And the "members" select box should contain "Student 3"
+    And the "members" select box should not contain "Student 1"
+    And I select "Group 1" from "groups"
+    And I wait "5" seconds
+    And the "members" select box should contain "Student 2"
+    And the "members" select box should contain "Student 1"
+    And the "members" select box should contain "Student 2"
+    And the "members" select box should not contain "Student 3"
+    # Checkbox (AJAX) - Checking "I check" and "I fill the moodle form with".
+    And I follow "Course 1"
+    And I add a "Lesson" to section "1"
+    And I fill the moodle form with:
+      | Name | Test lesson |
+      | available[enabled] | 1 |
+    And I check "deadline[enabled]"
+    # Checkbox (AJAX) - Checking "field should match" before saving.
+    And the "available[enabled]" field should match "1" value
+    And the "available[day]" "field" should be enabled
+    And the "deadline[enabled]" field should match "1" value
+    And I press "Save and display"
+    And I follow "Edit settings"
+    And the "available[enabled]" field should match "1" value
+    And the "available[day]" "field" should be enabled
+    And the "deadline[enabled]" field should match "1" value
+    And I press "Cancel"
@@ -32,5 +32,5 @@ Feature: Forms manipulation
    Then I should see "Close the quiz"
    And I should see "Group mode"
    And I should see "Grouping"
-    And I should not see "Show more..."
+    And I should not see "Show more..." in the "region-main" "region"
    And I should see "Show less..."
@@ -173,6 +173,9 @@ class tool_behat_testcase extends advanced_testcase {
        // directories values.
        $this->assertContains($CFG->dirroot . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'behat' . DIRECTORY_SEPARATOR . 'features', $contents);

+        // If it was empty should be filled by behat_config_manager::get_config_file_contents().
+        $this->assertNotNull($CFG->behat_wwwroot);
+
        // Not quoted strings.
        $this->assertContains('micarro: /me/lo/robaron', $contents);
        $this->assertContains('class: behat_init_context', $contents);
@@ -183,6 +186,8 @@ class tool_behat_testcase extends advanced_testcase {
        // Lists.
        $this->assertContains('- feature1', $contents);
        $this->assertContains('- feature3', $contents);
+
+        unset($CFG->behat_wwwroot);
    }

 }
@@ -24,6 +24,6 @@

 defined('MOODLE_INTERNAL') || die();

-$plugin->version   = 2013050100;
+$plugin->version   = 2013050102;
 $plugin->requires  = 2013050100; // Requires Moodle 2.5.
 $plugin->component = 'tool_behat';
@@ -139,9 +139,15 @@ if ($capability) {
    // Put the contexts into a tree structure.
    foreach ($contexts as $conid => $con) {
        $context = context::instance_by_id($conid);
-        $parentcontextid = get_parent_contextid($context);
-        if ($parentcontextid) {
-            $contexts[$parentcontextid]->children[] = $conid;
+        try {
+            $parentcontext = $context->get_parent_context();
+            if ($parentcontext) { // Will be false if $context is the system context.
+                $contexts[$parentcontext->id]->children[] = $conid;
+            }
+        } catch (dml_missing_record_exception $e) {
+            // Ignore corrupt context tree structure here. Don't let it break
+            // showing the rest of the report.
+            continue;
        }
    }

@@ -0,0 +1,199 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Backend generic code.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Backend generic code for all tool_generator commands.
+ *
+ * @abstract
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+abstract class tool_generator_backend {
+    /**
+     * @var int Lowest (smallest) size index
+     */
+    const MIN_SIZE = 0;
+    /**
+     * @var int Highest (largest) size index
+     */
+    const MAX_SIZE = 5;
+    /**
+     * @var int Default size index
+     */
+    const DEFAULT_SIZE = 3;
+
+    /**
+     * @var bool True if we want a fixed dataset or false to generate random data
+     */
+    protected $fixeddataset;
+
+    /**
+     * @var int|bool Maximum number of bytes for file.
+     */
+    protected $filesizelimit;
+
+    /**
+     * @var bool True if displaying progress
+     */
+    protected $progress;
+
+    /**
+     * @var int Epoch time at which last dot was displayed
+     */
+    protected $lastdot;
+
+    /**
+     * @var int Epoch time at which last percentage was displayed
+     */
+    protected $lastpercentage;
+
+    /**
+     * @var int Epoch time at which current step (current set of dots) started
+     */
+    protected $starttime;
+
+    /**
+     * @var int Size code (index in the above arrays)
+     */
+    protected $size;
+
+    /**
+     * Generic generator class
+     *
+     * @param int $size Size as numeric index
+     * @param bool $fixeddataset To use fixed or random data
+     * @param int|bool $filesizelimit The max number of bytes for a generated file
+     * @param bool $progress True if progress information should be displayed
+     * @throws coding_exception If parameters are invalid
+     */
+    public function __construct($size, $fixeddataset = false, $filesizelimit = false, $progress = true) {
+
+        // Check parameter.
+        if ($size < self::MIN_SIZE || $size > self::MAX_SIZE) {
+            throw new coding_exception('Invalid size');
+        }
+
+        // Set parameters.
+        $this->size = $size;
+        $this->fixeddataset = $fixeddataset;
+        $this->filesizelimit = $filesizelimit;
+        $this->progress = $progress;
+    }
+
+    /**
+     * Converts a size name into the numeric constant.
+     *
+     * @param string $sizename Size name e.g. 'L'
+     * @return int Numeric version
+     * @throws coding_exception If the size name is not known
+     */
+    public static function size_for_name($sizename) {
+        for ($size = self::MIN_SIZE; $size <= self::MAX_SIZE; $size++) {
+            if ($sizename == get_string('shortsize_' . $size, 'tool_generator')) {
+                return $size;
+            }
+        }
+        throw new coding_exception("Unknown size name '$sizename'");
+    }
+
+    /**
+     * Displays information as part of progress.
+     * @param string $langstring Part of langstring (after progress_)
+     * @param mixed $a Optional lang string parameters
+     * @param bool $leaveopen If true, doesn't close LI tag (ready for dots)
+     */
+    protected function log($langstring, $a = null, $leaveopen = false) {
+        if (!$this->progress) {
+            return;
+        }
+        if (CLI_SCRIPT) {
+            echo '* ';
+        } else {
+            echo html_writer::start_tag('li');
+        }
+        echo get_string('progress_' . $langstring, 'tool_generator', $a);
+        if (!$leaveopen) {
+            if (CLI_SCRIPT) {
+                echo "\n";
+            } else {
+                echo html_writer::end_tag('li');
+            }
+        } else {
+            echo ': ';
+            $this->lastdot = time();
+            $this->lastpercentage = $this->lastdot;
+            $this->starttime = microtime(true);
+        }
+    }
+
+    /**
+     * Outputs dots. There is up to one dot per second. Once a minute, it
+     * displays a percentage.
+     * @param int $number Number of completed items
+     * @param int $total Total number of items to complete
+     */
+    protected function dot($number, $total) {
+        if (!$this->progress) {
+            return;
+        }
+        $now = time();
+        if ($now == $this->lastdot) {
+            return;
+        }
+        $this->lastdot = $now;
+        if (CLI_SCRIPT) {
+            echo '.';
+        } else {
+            echo ' . ';
+        }
+        if ($now - $this->lastpercentage >= 30) {
+            echo round(100.0 * $number / $total, 1) . '%';
+            $this->lastpercentage = $now;
+        }
+
+        // Update time limit so PHP doesn't time out.
+        if (!CLI_SCRIPT) {
+            set_time_limit(120);
+        }
+    }
+
+    /**
+     * Ends a log string that was started using log function with $leaveopen.
+     */
+    protected function end_log() {
+        if (!$this->progress) {
+            return;
+        }
+        echo get_string('done', 'tool_generator', round(microtime(true) - $this->starttime, 1));
+        if (CLI_SCRIPT) {
+            echo "\n";
+        } else {
+            echo html_writer::end_tag('li');
+        }
+    }
+
+}
@@ -0,0 +1,544 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * tool_generator course backend code.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/backend.php');
+
+/**
+ * Backend code for the 'make large course' tool.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_course_backend extends tool_generator_backend {
+    /**
+     * @var array Number of sections in course
+     */
+    private static $paramsections = array(1, 10, 100, 500, 1000, 2000);
+    /**
+     * @var array Number of Page activities in course
+     */
+    private static $parampages = array(1, 50, 200, 1000, 5000, 10000);
+    /**
+     * @var array Number of students enrolled in course
+     */
+    private static $paramusers = array(1, 100, 1000, 10000, 50000, 100000);
+    /**
+     * Total size of small files: 1KB, 1MB, 10MB, 100MB, 1GB, 2GB.
+     *
+     * @var array Number of small files created in a single file activity
+     */
+    private static $paramsmallfilecount = array(1, 64, 128, 1024, 16384, 32768);
+    /**
+     * @var array Size of small files (to make the totals into nice numbers)
+     */
+    private static $paramsmallfilesize = array(1024, 16384, 81920, 102400, 65536, 65536);
+    /**
+     * Total size of big files: 8KB, 8MB, 80MB, 800MB, 8GB, 16GB.
+     *
+     * @var array Number of big files created as individual file activities
+     */
+    private static $parambigfilecount = array(1, 2, 5, 10, 10, 10);
+    /**
+     * @var array Size of each large file
+     */
+    private static $parambigfilesize = array(8192, 4194304, 16777216, 83886080,
+            858993459, 1717986918);
+    /**
+     * @var array Number of forum discussions
+     */
+    private static $paramforumdiscussions = array(1, 10, 100, 500, 1000, 2000);
+    /**
+     * @var array Number of forum posts per discussion
+     */
+    private static $paramforumposts = array(2, 2, 5, 10, 10, 10);
+
+    /**
+     * @var string Course shortname
+     */
+    private $shortname;
+
+    /**
+     * @var testing_data_generator Data generator
+     */
+    protected $generator;
+
+    /**
+     * @var stdClass Course object
+     */
+    private $course;
+
+    /**
+     * @var array Array from test user number (1...N) to userid in database
+     */
+    private $userids;
+
+    /**
+     * Constructs object ready to create course.
+     *
+     * @param string $shortname Course shortname
+     * @param int $size Size as numeric index
+     * @param bool $fixeddataset To use fixed or random data
+     * @param int|bool $filesizelimit The max number of bytes for a generated file
+     * @param bool $progress True if progress information should be displayed
+     */
+    public function __construct($shortname, $size, $fixeddataset = false, $filesizelimit = false, $progress = true) {
+
+        // Set parameters.
+        $this->shortname = $shortname;
+
+        parent::__construct($size, $fixeddataset, $filesizelimit, $progress);
+    }
+
+    /**
+     * Returns the relation between users and course sizes.
+     *
+     * @return array
+     */
+    public static function get_users_per_size() {
+        return self::$paramusers;
+    }
+
+    /**
+     * Gets a list of size choices supported by this backend.
+     *
+     * @return array List of size (int) => text description for display
+     */
+    public static function get_size_choices() {
+        $options = array();
+        for ($size = self::MIN_SIZE; $size <= self::MAX_SIZE; $size++) {
+            $options[$size] = get_string('coursesize_' . $size, 'tool_generator');
+        }
+        return $options;
+    }
+
+    /**
+     * Checks that a shortname is available (unused).
+     *
+     * @param string $shortname Proposed course shortname
+     * @return string An error message if the name is unavailable or '' if OK
+     */
+    public static function check_shortname_available($shortname) {
+        global $DB;
+        $fullname = $DB->get_field('course', 'fullname',
+                array('shortname' => $shortname), IGNORE_MISSING);
+        if ($fullname !== false) {
+            // I wanted to throw an exception here but it is not possible to
+            // use strings from moodle.php in exceptions, and I didn't want
+            // to duplicate the string in tool_generator, so I changed this to
+            // not use exceptions.
+            return get_string('shortnametaken', 'moodle', $fullname);
+        }
+        return '';
+    }
+
+    /**
+     * Runs the entire 'make' process.
+     *
+     * @return int Course id
+     */
+    public function make() {
+        global $DB, $CFG;
+        require_once($CFG->dirroot . '/lib/phpunit/classes/util.php');
+
+        raise_memory_limit(MEMORY_EXTRA);
+
+        if ($this->progress && !CLI_SCRIPT) {
+            echo html_writer::start_tag('ul');
+        }
+
+        $entirestart = microtime(true);
+
+        // Start transaction.
+        $transaction = $DB->start_delegated_transaction();
+
+        // Get generator.
+        $this->generator = phpunit_util::get_data_generator();
+
+        // Make course.
+        $this->course = $this->create_course();
+        $this->create_users();
+        $this->create_pages();
+        $this->create_small_files();
+        $this->create_big_files();
+        $this->create_forum();
+
+        // Log total time.
+        $this->log('coursecompleted', round(microtime(true) - $entirestart, 1));
+
+        if ($this->progress && !CLI_SCRIPT) {
+            echo html_writer::end_tag('ul');
+        }
+
+        // Commit transaction and finish.
+        $transaction->allow_commit();
+        return $this->course->id;
+    }
+
+    /**
+     * Creates the actual course.
+     *
+     * @return stdClass Course record
+     */
+    private function create_course() {
+        $this->log('createcourse', $this->shortname);
+        $courserecord = array('shortname' => $this->shortname,
+                'fullname' => get_string('fullname', 'tool_generator',
+                    array('size' => get_string('shortsize_' . $this->size, 'tool_generator'))),
+                'numsections' => self::$paramsections[$this->size]);
+        return $this->generator->create_course($courserecord, array('createsections' => true));
+    }
+
+    /**
+     * Creates a number of user accounts and enrols them on the course.
+     * Note: Existing user accounts that were created by this system are
+     * reused if available.
+     */
+    private function create_users() {
+        global $DB;
+
+        // Work out total number of users.
+        $count = self::$paramusers[$this->size];
+
+        // Get existing users in order. We will 'fill up holes' in this up to
+        // the required number.
+        $this->log('checkaccounts', $count);
+        $nextnumber = 1;
+        $rs = $DB->get_recordset_select('user', $DB->sql_like('username', '?'),
+                array('tool_generator_%'), 'username', 'id, username');
+        foreach ($rs as $rec) {
+            // Extract number from username.
+            $matches = array();
+            if (!preg_match('~^tool_generator_([0-9]{6})$~', $rec->username, $matches)) {
+                continue;
+            }
+            $number = (int)$matches[1];
+
+            // Create missing users in range up to this.
+            if ($number != $nextnumber) {
+                $this->create_user_accounts($nextnumber, min($number - 1, $count));
+            } else {
+                $this->userids[$number] = (int)$rec->id;
+            }
+
+            // Stop if we've got enough users.
+            $nextnumber = $number + 1;
+            if ($number >= $count) {
+                break;
+            }
+        }
+        $rs->close();
+
+        // Create users from end of existing range.
+        if ($nextnumber <= $count) {
+            $this->create_user_accounts($nextnumber, $count);
+        }
+
+        // Assign all users to course.
+        $this->log('enrol', $count, true);
+
+        $enrolplugin = enrol_get_plugin('manual');
+        $instances = enrol_get_instances($this->course->id, true);
+        foreach ($instances as $instance) {
+            if ($instance->enrol === 'manual') {
+                break;
+            }
+        }
+        if ($instance->enrol !== 'manual') {
+            throw new coding_exception('No manual enrol plugin in course');
+        }
+        $role = $DB->get_record('role', array('shortname' => 'student'), '*', MUST_EXIST);
+
+        for ($number = 1; $number <= $count; $number++) {
+            // Enrol user.
+            $enrolplugin->enrol_user($instance, $this->userids[$number], $role->id);
+            $this->dot($number, $count);
+        }
+
+        // Sets the pointer at the beginning to be aware of the users we use.
+        reset($this->userids);
+
+        $this->end_log();
+    }
+
+    /**
+     * Creates user accounts with a numeric range.
+     *
+     * @param int $first Number of first user
+     * @param int $last Number of last user
+     */
+    private function create_user_accounts($first, $last) {
+        global $CFG;
+
+        $this->log('createaccounts', (object)array('from' => $first, 'to' => $last), true);
+        $count = $last - $first + 1;
+        $done = 0;
+        for ($number = $first; $number <= $last; $number++, $done++) {
+            // Work out username with 6-digit number.
+            $textnumber = (string)$number;
+            while (strlen($textnumber) < 6) {
+                $textnumber = '0' . $textnumber;
+            }
+            $username = 'tool_generator_' . $textnumber;
+
+            // Create user account.
+            $record = array('firstname' => get_string('firstname', 'tool_generator'),
+                    'lastname' => $number, 'username' => $username);
+
+            // We add a user password if it has been specified.
+            if (!empty($CFG->tool_generator_users_password)) {
+                $record['password'] = $CFG->tool_generator_users_password;
+            }
+
+            $user = $this->generator->create_user($record);
+            $this->userids[$number] = (int)$user->id;
+            $this->dot($done, $count);
+        }
+        $this->end_log();
+    }
+
+    /**
+     * Creates a number of Page activities.
+     */
+    private function create_pages() {
+        // Set up generator.
+        $pagegenerator = $this->generator->get_plugin_generator('mod_page');
+
+        // Create pages.
+        $number = self::$parampages[$this->size];
+        $this->log('createpages', $number, true);
+        for ($i = 0; $i < $number; $i++) {
+            $record = array('course' => $this->course->id);
+            $options = array('section' => $this->get_target_section());
+            $pagegenerator->create_instance($record, $options);
+            $this->dot($i, $number);
+        }
+
+        $this->end_log();
+    }
+
+    /**
+     * Creates one resource activity with a lot of small files.
+     */
+    private function create_small_files() {
+        $count = self::$paramsmallfilecount[$this->size];
+        $this->log('createsmallfiles', $count, true);
+
+        // Create resource with default textfile only.
+        $resourcegenerator = $this->generator->get_plugin_generator('mod_resource');
+        $record = array('course' => $this->course->id,
+                'name' => get_string('smallfiles', 'tool_generator'));
+        $options = array('section' => 0);
+        $resource = $resourcegenerator->create_instance($record, $options);
+
+        // Add files.
+        $fs = get_file_storage();
+        $context = context_module::instance($resource->cmid);
+        $filerecord = array('component' => 'mod_resource', 'filearea' => 'content',
+                'contextid' => $context->id, 'itemid' => 0, 'filepath' => '/');
+        for ($i = 0; $i < $count; $i++) {
+            $filerecord['filename'] = 'smallfile' . $i . '.dat';
+
+            // Generate random binary data (different for each file so it
+            // doesn't compress unrealistically).
+            $data = self::get_random_binary($this->limit_filesize(self::$paramsmallfilesize[$this->size]));
+
+            $fs->create_file_from_string($filerecord, $data);
+            $this->dot($i, $count);
+        }
+
+        $this->end_log();
+    }
+
+    /**
+     * Creates a string of random binary data. The start of the string includes
+     * the current time, in an attempt to avoid large-scale repetition.
+     *
+     * @param int $length Number of bytes
+     * @return Random data
+     */
+    private static function get_random_binary($length) {
+
+        $data = microtime(true);
+        if (strlen($data) > $length) {
+            // Use last digits of data.
+            return substr($data, -$length);
+        }
+        $length -= strlen($data);
+        for ($j = 0; $j < $length; $j++) {
+            $data .= chr(rand(1, 255));
+        }
+        return $data;
+    }
+
+    /**
+     * Creates a number of resource activities with one big file each.
+     */
+    private function create_big_files() {
+        global $CFG;
+
+        // Work out how many files and how many blocks to use (up to 64KB).
+        $count = self::$parambigfilecount[$this->size];
+        $filesize = $this->limit_filesize(self::$parambigfilesize[$this->size]);
+        $blocks = ceil($filesize / 65536);
+        $blocksize = floor($filesize / $blocks);
+
+        $this->log('createbigfiles', $count, true);
+
+        // Prepare temp area.
+        $tempfolder = make_temp_directory('tool_generator');
+        $tempfile = $tempfolder . '/' . rand();
+
+        // Create resources and files.
+        $fs = get_file_storage();
+        $resourcegenerator = $this->generator->get_plugin_generator('mod_resource');
+        for ($i = 0; $i < $count; $i++) {
+            // Create resource.
+            $record = array('course' => $this->course->id,
+                    'name' => get_string('bigfile', 'tool_generator', $i));
+            $options = array('section' => $this->get_target_section());
+            $resource = $resourcegenerator->create_instance($record, $options);
+
+            // Write file.
+            $handle = fopen($tempfile, 'w');
+            if (!$handle) {
+                throw new coding_exception('Failed to open temporary file');
+            }
+            for ($j = 0; $j < $blocks; $j++) {
+                $data = self::get_random_binary($blocksize);
+                fwrite($handle, $data);
+                $this->dot($i * $blocks + $j, $count * $blocks);
+            }
+            fclose($handle);
+
+            // Add file.
+            $context = context_module::instance($resource->cmid);
+            $filerecord = array('component' => 'mod_resource', 'filearea' => 'content',
+                    'contextid' => $context->id, 'itemid' => 0, 'filepath' => '/',
+                    'filename' => 'bigfile' . $i . '.dat');
+            $fs->create_file_from_pathname($filerecord, $tempfile);
+        }
+
+        unlink($tempfile);
+        $this->end_log();
+    }
+
+    /**
+     * Creates one forum activity with a bunch of posts.
+     */
+    private function create_forum() {
+        global $DB;
+
+        $discussions = self::$paramforumdiscussions[$this->size];
+        $posts = self::$paramforumposts[$this->size];
+        $totalposts = $discussions * $posts;
+
+        $this->log('createforum', $totalposts, true);
+
+        // Create empty forum.
+        $forumgenerator = $this->generator->get_plugin_generator('mod_forum');
+        $record = array('course' => $this->course->id,
+                'name' => get_string('pluginname', 'forum'));
+        $options = array('section' => 0);
+        $forum = $forumgenerator->create_instance($record, $options);
+
+        // Add discussions and posts.
+        $sofar = 0;
+        for ($i = 0; $i < $discussions; $i++) {
+            $record = array('forum' => $forum->id, 'course' => $this->course->id,
+                    'userid' => $this->get_target_user());
+            $discussion = $forumgenerator->create_discussion($record);
+            $parentid = $DB->get_field('forum_posts', 'id', array('discussion' => $discussion->id), MUST_EXIST);
+            $sofar++;
+            for ($j = 0; $j < $posts - 1; $j++, $sofar++) {
+                $record = array('discussion' => $discussion->id,
+                        'userid' => $this->get_target_user(), 'parent' => $parentid);
+                $forumgenerator->create_post($record);
+                $this->dot($sofar, $totalposts);
+            }
+        }
+
+        $this->end_log();
+    }
+
+    /**
+     * Gets a section number.
+     *
+     * Depends on $this->fixeddataset.
+     *
+     * @return int A section number from 1 to the number of sections
+     */
+    private function get_target_section() {
+
+        if (!$this->fixeddataset) {
+            $key = rand(1, self::$paramsections[$this->size]);
+        } else {
+            // Using section 1.
+            $key = 1;
+        }
+
+        return $key;
+    }
+
+    /**
+     * Gets a user id.
+     *
+     * Depends on $this->fixeddataset.
+     *
+     * @return int A user id for a random created user
+     */
+    private function get_target_user() {
+
+        if (!$this->fixeddataset) {
+            $userid = $this->userids[rand(1, self::$paramusers[$this->size])];
+        } else if ($userid = current($this->userids)) {
+            // Moving pointer to the next user.
+            next($this->userids);
+        } else {
+            // Returning to the beginning if we reached the end.
+            $userid = reset($this->userids);
+        }
+
+        return $userid;
+    }
+
+    /**
+     * Restricts the binary file size if necessary
+     *
+     * @param int $length The total length
+     * @return int The limited length if a limit was specified.
+     */
+    private function limit_filesize($length) {
+
+        // Limit to $this->filesizelimit.
+        if (is_numeric($this->filesizelimit) && $length > $this->filesizelimit) {
+            $length = floor($this->filesizelimit);
+        }
+
+        return $length;
+    }
+
+}
@@ -0,0 +1,80 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Course form.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/formslib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/course_backend.php');
+
+/**
+ * Form with options for creating large course.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_make_course_form extends moodleform {
+
+    /**
+     * Course generation tool form definition.
+     *
+     * @return void
+     */
+    public function definition() {
+        $mform = $this->_form;
+
+        $mform->addElement('select', 'size', get_string('size', 'tool_generator'),
+                tool_generator_course_backend::get_size_choices());
+        $mform->setDefault('size', tool_generator_course_backend::DEFAULT_SIZE);
+
+        $mform->addElement('text', 'shortname', get_string('shortnamecourse'));
+        $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
+        $mform->setType('shortname', PARAM_TEXT);
+
+        $mform->addElement('submit', 'submit', get_string('createcourse', 'tool_generator'));
+    }
+
+    /**
+     * Form validation.
+     *
+     * @param array $data
+     * @param array $files
+     * @return void
+     */
+    public function validation($data, $files) {
+        global $DB;
+        $errors = array();
+
+        // Check course doesn't already exist.
+        if (!empty($data['shortname'])) {
+            // Check shortname.
+            $error = tool_generator_course_backend::check_shortname_available($data['shortname']);
+            if ($error) {
+                $errors['shortname'] = $error;
+            }
+        }
+
+        return $errors;
+    }
+}
@@ -0,0 +1,84 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Test plan form.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/formslib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/testplan_backend.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/course_backend.php');
+
+/**
+ * Form with options for creating large course.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_make_testplan_form extends moodleform {
+
+    /**
+     * Test plan form definition.
+     *
+     * @return void
+     */
+    public function definition() {
+        $mform = $this->_form;
+
+        $mform->addElement('select', 'size', get_string('size', 'tool_generator'),
+            tool_generator_testplan_backend::get_size_choices());
+        $mform->setDefault('size', tool_generator_testplan_backend::DEFAULT_SIZE);
+
+        $mform->addElement('select', 'courseid', get_string('targetcourse', 'tool_generator'),
+            tool_generator_testplan_backend::get_course_options());
+
+        $mform->addElement('advcheckbox', 'updateuserspassword', get_string('updateuserspassword', 'tool_generator'));
+        $mform->addHelpButton('updateuserspassword', 'updateuserspassword', 'tool_generator');
+
+        $mform->addElement('submit', 'submit', get_string('createtestplan', 'tool_generator'));
+    }
+
+    /**
+     * Checks that the submitted data allows us to create a test plan.
+     *
+     * @param array $data
+     * @param array $files
+     * @return array An array of errors
+     */
+    public function validation($data, $files) {
+        global $CFG;
+
+        $errors = array();
+        if (empty($CFG->tool_generator_users_password) || is_bool($CFG->tool_generator_users_password)) {
+            $errors['updateuserspassword'] = get_string('error_nouserspassword', 'tool_generator');
+        }
+
+        // Better to repeat here the query than to do it afterwards and end up with an exception.
+        if ($courseerrors = tool_generator_testplan_backend::has_selected_course_any_problem($data['courseid'], $data['size'])) {
+            $errors = array_merge($errors, $courseerrors);
+        }
+
+        return $errors;
+    }
+
+}
@@ -0,0 +1,214 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * tool_generator site backend.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/backend.php');
+
+/**
+ * Backend code for the site generator.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_site_backend extends tool_generator_backend {
+
+    /**
+     * @var string The course's shortname prefix.
+     */
+    const SHORTNAMEPREFIX = 'testcourse_';
+
+    /**
+     * @var bool If the debugging level checking was skipped.
+     */
+    protected $bypasscheck;
+
+    /**
+     * @var array Multidimensional array where the first level is the course size and the second the site size.
+     */
+    protected static $sitecourses = array(
+        array(2, 8, 64, 256, 1024, 4096),
+        array(1, 4, 8, 16, 32, 64),
+        array(0, 0, 1, 4, 8, 16),
+        array(0, 0, 0, 1, 0, 0),
+        array(0, 0, 0, 0, 1, 0),
+        array(0, 0, 0, 0, 0, 1)
+    );
+
+    /**
+     * Constructs object ready to make the site.
+     *
+     * @param int $size Size as numeric index
+     * @param bool $bypasscheck If debugging level checking was skipped.
+     * @param bool $fixeddataset To use fixed or random data
+     * @param int|bool $filesizelimit The max number of bytes for a generated file
+     * @param bool $progress True if progress information should be displayed
+     * @return int Course id
+     */
+    public function __construct($size, $bypasscheck, $fixeddataset = false, $filesizelimit = false, $progress = true) {
+
+        // Set parameters.
+        $this->bypasscheck = $bypasscheck;
+
+        parent::__construct($size, $fixeddataset, $filesizelimit, $progress);
+    }
+
+    /**
+     * Gets a list of size choices supported by this backend.
+     *
+     * @return array List of size (int) => text description for display
+     */
+    public static function get_size_choices() {
+        $options = array();
+        for ($size = self::MIN_SIZE; $size <= self::MAX_SIZE; $size++) {
+            $options[$size] = get_string('sitesize_' . $size, 'tool_generator');
+        }
+        return $options;
+    }
+
+    /**
+     * Runs the entire 'make' process.
+     *
+     * @return int Course id
+     */
+    public function make() {
+        global $DB, $CFG;
+
+        raise_memory_limit(MEMORY_EXTRA);
+
+        if ($this->progress && !CLI_SCRIPT) {
+            echo html_writer::start_tag('ul');
+        }
+
+        $entirestart = microtime(true);
+
+        // Create courses.
+        $prevchdir = getcwd();
+        chdir($CFG->dirroot);
+        $ncourse = self::get_last_testcourse_id();
+        foreach (self::$sitecourses as $coursesize => $ncourses) {
+            for ($i = 1; $i <= $ncourses[$this->size]; $i++) {
+                // Non language-dependant shortname.
+                $ncourse++;
+                $this->run_create_course(self::SHORTNAMEPREFIX . $ncourse, $coursesize);
+            }
+        }
+        chdir($prevchdir);
+
+        // Store last course id to return it (will be the bigger one).
+        $lastcourseid = $DB->get_field('course', 'id', array('shortname' => self::SHORTNAMEPREFIX . $ncourse));
+
+        // Log total time.
+        $this->log('sitecompleted', round(microtime(true) - $entirestart, 1));
+
+        if ($this->progress && !CLI_SCRIPT) {
+            echo html_writer::end_tag('ul');
+        }
+
+        return $lastcourseid;
+    }
+
+    /**
+     * Creates a course with the specified shortname, coursesize and the provided maketestsite options.
+     *
+     * @param string $shortname The course shortname
+     * @param int $coursesize One of the possible course sizes.
+     * @return void
+     */
+    protected function run_create_course($shortname, $coursesize) {
+
+        // We are in $CFG->dirroot.
+        $command = 'php admin/tool/generator/cli/maketestcourse.php';
+
+        $options = array(
+            '--shortname="' . $shortname . '"',
+            '--size="' . get_string('shortsize_' . $coursesize, 'tool_generator') . '"'
+        );
+
+        if (!$this->progress) {
+            $options[] = '--quiet';
+        }
+
+        // Extend options.
+        $optionstoextend = array(
+            'fixeddataset' => 'fixeddataset',
+            'bypasscheck' => 'bypasscheck',
+        );
+
+        if ($this->filesizelimit) {
+            $options[] = '--filesizelimit="' . $this->filesizelimit . '"';
+        }
+
+        // Getting an options string.
+        foreach ($optionstoextend as $attribute => $option) {
+            if (!empty($this->{$attribute})) {
+                $options[] = '--' . $option;
+            }
+        }
+        $options = implode(' ', $options);
+        if ($this->progress) {
+            system($command . ' ' . $options, $exitcode);
+        } else {
+            passthru($command . ' ' . $options, $exitcode);
+        }
+
+        if ($exitcode != 0) {
+            exit($exitcode);
+        }
+    }
+
+    /**
+     * Obtains the last unique sufix (numeric) using the test course prefix.
+     *
+     * @return int The last generated numeric value.
+     */
+    protected static function get_last_testcourse_id() {
+        global $DB;
+
+        $params = array();
+        $params['shortnameprefix'] = $DB->sql_like_escape(self::SHORTNAMEPREFIX) . '%';
+        $like = $DB->sql_like('shortname', ':shortnameprefix');
+
+        if (!$testcourses = $DB->get_records_select('course', $like, $params, '', 'shortname')) {
+            return 0;
+        }
+        // SQL order by is not appropiate here as is ordering strings.
+        $shortnames = array_keys($testcourses);
+        collatorlib::asort($shortnames, collatorlib::SORT_NATURAL);
+        $shortnames = array_reverse($shortnames);
+
+        // They come ordered by shortname DESC, so non-numeric values will be the first ones.
+        $prefixnchars = strlen(self::SHORTNAMEPREFIX);
+        foreach ($shortnames as $shortname) {
+            $sufix = substr($shortname, $prefixnchars);
+            if (preg_match('/^[\d]+$/', $sufix)) {
+                return $sufix;
+            }
+        }
+        // If all sufixes are not numeric this is the first make test site run.
+        return 0;
+    }
+
+}
@@ -0,0 +1,333 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Test plan generator.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/backend.php');
+require_once(__DIR__ . '/course_backend.php');
+
+/**
+ * Generates the files required by JMeter.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_testplan_backend extends tool_generator_backend {
+
+    /**
+     * @var The URL to the repository of the external project.
+     */
+    protected static $repourl = 'https://github.com/moodlehq/moodle-performance-comparison';
+
+    /**
+     * @var Number of users depending on the selected size.
+     */
+    protected static $users = array(1, 30, 100, 1000, 5000, 10000);
+
+    /**
+     * @var Number of loops depending on the selected size.
+     */
+    protected static $loops = array(5, 5, 5, 6, 6, 7);
+
+    /**
+     * @var Rampup period depending on the selected size.
+     */
+    protected static $rampups = array(1, 6, 40, 100, 500, 800);
+
+    /**
+     * Gets a list of size choices supported by this backend.
+     *
+     * @return array List of size (int) => text description for display
+     */
+    public static function get_size_choices() {
+
+        $options = array();
+        for ($size = self::MIN_SIZE; $size <= self::MAX_SIZE; $size++) {
+            $a = new stdClass();
+            $a->users = self::$users[$size];
+            $a->loops = self::$loops[$size];
+            $a->rampup = self::$rampups[$size];
+            $options[$size] = get_string('testplansize_' . $size, 'tool_generator', $a);
+        }
+        return $options;
+    }
+
+    /**
+     * Gets the list of courses that can be used used to generate a test.
+     *
+     * @return array The list of options as courseid => name
+     */
+    public static function get_course_options() {
+        $courses = get_courses('all', 'c.sortorder ASC', 'c.id, c.shortname, c.fullname');
+        if (!$courses) {
+            print_error('error_nocourses', 'tool_generator');
+        }
+
+        $options = array();
+        unset($courses[1]);
+        foreach ($courses as $course) {
+            $options[$course->id] = $course->fullname . '(' . $course->shortname . ')';
+        }
+        return $options;
+    }
+
+    /**
+     * Getter for moodle-performance-comparison project URL.
+     *
+     * @return string
+     */
+    public static function get_repourl() {
+        return self::$repourl;
+    }
+
+    /**
+     * Creates the test plan file.
+     *
+     * @param int $courseid The target course id
+     * @param int $size The test plan size
+     * @return stored_file
+     */
+    public static function create_testplan_file($courseid, $size) {
+        $jmxcontents = self::generate_test_plan($courseid, $size);
+
+        $fs = get_file_storage();
+        $filerecord = self::get_file_record('testplan', 'jmx');
+        return $fs->create_file_from_string($filerecord, $jmxcontents);
+    }
+
+    /**
+     * Creates the users data file.
+     *
+     * @param int $courseid The target course id
+     * @param bool $updateuserspassword Updates the course users password to $CFG->tool_generator_users_password
+     * @return stored_file
+     */
+    public static function create_users_file($courseid, $updateuserspassword) {
+        $csvcontents = self::generate_users_file($courseid, $updateuserspassword);
+
+        $fs = get_file_storage();
+        $filerecord = self::get_file_record('users', 'csv');
+        return $fs->create_file_from_string($filerecord, $csvcontents);
+    }
+
+    /**
+     * Generates the test plan according to the target course contents.
+     *
+     * @param int $targetcourseid The target course id
+     * @param int $size The test plan size
+     * @return string The test plan as a string
+     */
+    protected static function generate_test_plan($targetcourseid, $size) {
+        global $CFG;
+
+        // Getting the template.
+        $template = file_get_contents(__DIR__ . '/../testplan.template.jmx');
+
+        // Getting the course modules data.
+        $coursedata = self::get_course_test_data($targetcourseid);
+
+        // Host and path to the site.
+        $urlcomponents = parse_url($CFG->wwwroot);
+        if (empty($urlcomponents['path'])) {
+            $urlcomponents['path'] = '';
+        }
+
+        $replacements = array(
+            $CFG->version,
+            self::$users[$size],
+            self::$loops[$size],
+            self::$rampups[$size],
+            $urlcomponents['host'],
+            $urlcomponents['path'],
+            get_string('shortsize_' . $size, 'tool_generator'),
+            $targetcourseid,
+            $coursedata->pageid,
+            $coursedata->forumid,
+            $coursedata->forumdiscussionid,
+            $coursedata->forumreplyid
+        );
+
+        $placeholders = array(
+            '{{MOODLEVERSION_PLACEHOLDER}}',
+            '{{USERS_PLACEHOLDER}}',
+            '{{LOOPS_PLACEHOLDER}}',
+            '{{RAMPUP_PLACEHOLDER}}',
+            '{{HOST_PLACEHOLDER}}',
+            '{{SITEPATH_PLACEHOLDER}}',
+            '{{SIZE_PLACEHOLDER}}',
+            '{{COURSEID_PLACEHOLDER}}',
+            '{{PAGEACTIVITYID_PLACEHOLDER}}',
+            '{{FORUMACTIVITYID_PLACEHOLDER}}',
+            '{{FORUMDISCUSSIONID_PLACEHOLDER}}',
+            '{{FORUMREPLYID_PLACEHOLDER}}'
+        );
+
+        // Fill the template with the target course values.
+        return str_replace($placeholders, $replacements, $template);
+    }
+
+    /**
+     * Generates the user's credentials file with all the course's users
+     *
+     * @param int $targetcourseid
+     * @param bool $updateuserspassword Updates the course users password to $CFG->tool_generator_users_password
+     * @return string The users csv file contents.
+     */
+    protected static function generate_users_file($targetcourseid, $updateuserspassword) {
+        global $CFG;
+
+        $coursecontext = context_course::instance($targetcourseid);
+
+        $users = get_enrolled_users($coursecontext, '', 0, 'u.id, u.username, u.auth', 'u.username ASC');
+        if (!$users) {
+            print_error('coursewithoutusers', 'tool_generator');
+        }
+
+        $lines = array();
+        foreach ($users as $user) {
+
+            // Updating password to the one set in config.php.
+            if ($updateuserspassword) {
+                $userauth = get_auth_plugin($user->auth);
+                if (!$userauth->user_update_password($user, $CFG->tool_generator_users_password)) {
+                    print_error('errorpasswordupdate', 'auth');
+                }
+            }
+
+            // Here we already checked that $CFG->tool_generator_users_password is not null.
+            $lines[] = $user->username . ',' . $CFG->tool_generator_users_password;
+        }
+
+        return implode(PHP_EOL, $lines);
+    }
+
+    /**
+     * Returns a tool_generator file record
+     *
+     * @param string $filearea testplan or users
+     * @param string $filetype The file extension jmx or csv
+     * @return stdClass The file record to use when creating tool_generator files
+     */
+    protected static function get_file_record($filearea, $filetype) {
+
+        $systemcontext = context_system::instance();
+
+        $filerecord = new stdClass();
+        $filerecord->contextid = $systemcontext->id;
+        $filerecord->component = 'tool_generator';
+        $filerecord->filearea = $filearea;
+        $filerecord->itemid = 0;
+        $filerecord->filepath = '/';
+
+        // Random generated number to avoid concurrent execution problems.
+        $filerecord->filename = $filearea . '_' . date('YmdHi', time()) . '_' . rand(1000, 9999) . '.' . $filetype;
+
+        return $filerecord;
+    }
+
+    /**
+     * Gets the data required to fill the test plan template with the database contents.
+     *
+     * @param int $targetcourseid The target course id
+     * @return stdClass The ids required by the test plan
+     */
+    protected static function get_course_test_data($targetcourseid) {
+        global $DB, $USER;
+
+        $data = new stdClass();
+
+        // Getting course contents info as the current user (will be an admin).
+        $course = new stdClass();
+        $course->id = $targetcourseid;
+        $courseinfo = new course_modinfo($course, $USER->id);
+
+        // Getting the first page module instance.
+        if (!$pages = $courseinfo->get_instances_of('page')) {
+            print_error('error_nopageinstances', 'tool_generator');
+        }
+        $data->pageid = reset($pages)->id;
+
+        // Getting the first forum module instance and it's first discussion and reply as well.
+        if (!$forums = $courseinfo->get_instances_of('forum')) {
+            print_error('error_noforuminstances', 'tool_generator');
+        }
+        $forum = reset($forums);
+
+        // Getting the first discussion (and reply).
+        if (!$discussions = forum_get_discussions($forum, 'd.timemodified ASC', false, -1, 1)) {
+            print_error('error_noforumdiscussions', 'tool_generator');
+        }
+        $discussion = reset($discussions);
+
+        $data->forumid = $forum->id;
+        $data->forumdiscussionid = $discussion->discussion;
+        $data->forumreplyid = $discussion->id;
+
+        // According to the current test plan.
+        return $data;
+    }
+
+    /**
+     * Checks if the selected target course is ok.
+     *
+     * @param int|string $course
+     * @param int $size
+     * @return array Errors array or false if everything is ok
+     */
+    public static function has_selected_course_any_problem($course, $size) {
+        global $DB;
+
+        $errors = array();
+
+        if (!is_numeric($course)) {
+            if (!$course = $DB->get_field('course', 'id', array('shortname' => $course))) {
+                $errors['courseid'] = get_string('error_nonexistingcourse', 'tool_generator');
+                return $errors;
+            }
+        }
+
+        $coursecontext = context_course::instance($course, IGNORE_MISSING);
+        if (!$coursecontext) {
+            $errors['courseid'] = get_string('error_nonexistingcourse', 'tool_generator');
+            return $errors;
+        }
+
+        if (!$users = get_enrolled_users($coursecontext, '', 0, 'u.id')) {
+            $errors['courseid'] = get_string('coursewithoutusers', 'tool_generator');
+        }
+
+        // Checks that the selected course has enough users.
+        $coursesizes = tool_generator_course_backend::get_users_per_size();
+        if (count($users) < self::$users[$size]) {
+            $errors['size'] = get_string('notenoughusers', 'tool_generator');
+        }
+
+        if (empty($errors)) {
+            return false;
+        }
+
+        return $errors;
+    }
+}
@@ -0,0 +1,101 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * CLI interface for creating a test course.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+define('NO_OUTPUT_BUFFERING', true);
+
+require(dirname(__FILE__) . '/../../../../config.php');
+require_once($CFG->libdir. '/clilib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/course_backend.php');
+
+// CLI options.
+list($options, $unrecognized) = cli_get_params(
+    array(
+        'help' => false,
+        'shortname' => false,
+        'size' => false,
+        'fixeddataset' => false,
+        'filesizelimit' => false,
+        'bypasscheck' => false,
+        'quiet' => false
+    ),
+    array(
+        'h' => 'help'
+    )
+);
+
+// Display help.
+if (!empty($options['help']) || empty($options['shortname']) || empty($options['size'])) {
+    echo "
+Utility to create standard test course. (Also available in GUI interface.)
+
+Not for use on live sites; only normally works if debugging is set to DEVELOPER
+level.
+
+Options:
+--shortname      Shortname of course to create (required)
+--size           Size of course to create XS, S, M, L, XL, or XXL (required)
+--fixeddataset   Use a fixed data set instead of randomly generated data
+--filesizelimit  Limits the size of the generated files to the specified bytes
+--bypasscheck    Bypasses the developer-mode check (be careful!)
+--quiet          Do not show any output
+
+-h, --help     Print out this help
+
+Example from Moodle root directory:
+\$sudo -u www-data /usr/bin/php admin/tool/generator/cli/maketestcourse.php --shortname=SIZE_S --size=S
+";
+    // Exit with error unless we're showing this because they asked for it.
+    exit(empty($options['help']) ? 1 : 0);
+}
+
+// Check debugging is set to developer level.
+if (empty($options['bypasscheck']) && !debugging('', DEBUG_DEVELOPER)) {
+    cli_error(get_string('error_notdebugging', 'tool_generator'));
+}
+
+// Get options.
+$shortname = $options['shortname'];
+$sizename = $options['size'];
+$fixeddataset = $options['fixeddataset'];
+$filesizelimit = $options['filesizelimit'];
+
+// Check size.
+try {
+    $size = tool_generator_course_backend::size_for_name($sizename);
+} catch (coding_exception $e) {
+    cli_error("Invalid size ($sizename). Use --help for help.");
+}
+
+// Check shortname.
+if ($error = tool_generator_course_backend::check_shortname_available($shortname)) {
+    cli_error($error);
+}
+
+// Switch to admin user account.
+session_set_user(get_admin());
+
+// Do backend code to generate course.
+$backend = new tool_generator_course_backend($shortname, $size, $fixeddataset, $filesizelimit, empty($options['quiet']));
+$id = $backend->make();
@@ -0,0 +1,123 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * CLI interface for creating a test plan
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+define('NO_OUTPUT_BUFFERING', true);
+
+require(dirname(__FILE__) . '/../../../../config.php');
+require_once($CFG->libdir. '/clilib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/testplan_backend.php');
+
+// CLI options.
+list($options, $unrecognized) = cli_get_params(
+    array(
+        'help' => false,
+        'shortname' => false,
+        'size' => false,
+        'bypasscheck' => false,
+        'updateuserspassword' => false
+    ),
+    array(
+        'h' => 'help'
+    )
+);
+
+$testplansizes = '* ' . implode(PHP_EOL . '* ', tool_generator_testplan_backend::get_size_choices());
+
+// Display help.
+if (!empty($options['help']) || empty($options['shortname']) || empty($options['size'])) {
+
+    echo get_string('testplanexplanation', 'tool_generator', tool_generator_testplan_backend::get_repourl()) .
+"Options:
+-h, --help              Print out this help
+--shortname             Shortname of the test plan's target course (required)
+--size                  Size of the test plan to create XS, S, M, L, XL, or XXL (required)
+--bypasscheck           Bypasses the developer-mode check (be careful!)
+--updateuserspassword   Updates the target course users password according to \$CFG->tool_generator_users_password
+
+$testplansizes
+
+Consider that, the server resources you will need to run the test plan will be higher as the test plan size is higher.
+
+Example from Moodle root directory:
+\$sudo -u www-data /usr/bin/php admin/tool/generator/cli/maketestplan.php --shortname=\"testcourse_12\" --size=S
+";
+    // Exit with error unless we're showing this because they asked for it.
+    exit(empty($options['help']) ? 1 : 0);
+}
+
+// Check debugging is set to developer level.
+if (empty($options['bypasscheck']) && !debugging('', DEBUG_DEVELOPER)) {
+    cli_error(get_string('error_notdebugging', 'tool_generator'));
+}
+
+// Get options.
+$shortname = $options['shortname'];
+$sizename = $options['size'];
+
+// Check size.
+try {
+    $size = tool_generator_testplan_backend::size_for_name($sizename);
+} catch (coding_exception $e) {
+    cli_error("Error: Invalid size ($sizename). Use --help for help.");
+}
+
+// Check selected course.
+if ($errors = tool_generator_testplan_backend::has_selected_course_any_problem($shortname, $size)) {
+    // Showing the first reported problem.
+    cli_error("Error: " . reset($errors));
+}
+
+// Checking if test users password is set.
+if (empty($CFG->tool_generator_users_password) || is_bool($CFG->tool_generator_users_password)) {
+    cli_error("Error: " . get_string('error_nouserspassword', 'tool_generator'));
+}
+
+// Switch to admin user account.
+session_set_user(get_admin());
+
+// Create files.
+$courseid = $DB->get_field('course', 'id', array('shortname' => $shortname));
+$usersfile = tool_generator_testplan_backend::create_users_file($courseid, !empty($options['updateuserspassword']));
+$testplanfile = tool_generator_testplan_backend::create_testplan_file($courseid, $size);
+
+// One file path per line so other CLI scripts can easily parse the output.
+echo moodle_url::make_pluginfile_url(
+        $testplanfile->get_contextid(),
+        $testplanfile->get_component(),
+        $testplanfile->get_filearea(),
+        $testplanfile->get_itemid(),
+        $testplanfile->get_filepath(),
+        $testplanfile->get_filename()
+    ) .
+    PHP_EOL .
+    moodle_url::make_pluginfile_url(
+        $usersfile->get_contextid(),
+        $usersfile->get_component(),
+        $usersfile->get_filearea(),
+        $usersfile->get_itemid(),
+        $usersfile->get_filepath(),
+        $usersfile->get_filename()
+    ) .
+    PHP_EOL;
@@ -0,0 +1,99 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * CLI interface for creating a test site.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+define('NO_OUTPUT_BUFFERING', true);
+
+require(__DIR__ . '/../../../../config.php');
+require_once($CFG->libdir. '/clilib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/site_backend.php');
+
+// CLI options.
+list($options, $unrecognized) = cli_get_params(
+    array(
+        'help' => false,
+        'size' => false,
+        'fixeddataset' => false,
+        'filesizelimit' => false,
+        'bypasscheck' => false,
+        'quiet' => false
+    ),
+    array(
+        'h' => 'help'
+    )
+);
+
+$sitesizes = '* ' . implode(PHP_EOL . '* ', tool_generator_site_backend::get_size_choices());
+
+// Display help.
+if (!empty($options['help']) || empty($options['size'])) {
+    echo "
+Utility to generate a standard test site data set.
+
+Not for use on live sites; only normally works if debugging is set to DEVELOPER
+level.
+
+Consider that, depending on the size you select, this CLI tool can really generate a lot of data, aproximated sizes:
+
+$sitesizes
+
+Options:
+--size           Size of the generated site, this value affects the number of courses and their size. Accepted values: XS, S, M, L, XL, or XXL (required)
+--fixeddataset   Use a fixed data set instead of randomly generated data
+--filesizelimit  Limits the size of the generated files to the specified bytes
+--bypasscheck    Bypasses the developer-mode check (be careful!)
+--quiet          Do not show any output
+
+-h, --help     Print out this help
+
+Example from Moodle root directory:
+\$sudo -u www-data /usr/bin/php admin/tool/generator/cli/maketestsite.php --size=S
+";
+    // Exit with error unless we're showing this because they asked for it.
+    exit(empty($options['help']) ? 1 : 0);
+}
+
+// Check debugging is set to developer level.
+if (empty($options['bypasscheck']) && !debugging('', DEBUG_DEVELOPER)) {
+    cli_error(get_string('error_notdebugging', 'tool_generator'));
+}
+
+// Get options.
+$sizename = $options['size'];
+$fixeddataset = $options['fixeddataset'];
+$filesizelimit = $options['filesizelimit'];
+
+// Check size.
+try {
+    $size = tool_generator_site_backend::size_for_name($sizename);
+} catch (coding_exception $e) {
+    cli_error("Invalid size ($sizename). Use --help for help.");
+}
+
+// Switch to admin user account.
+session_set_user(get_admin());
+
+// Do backend code to generate site.
+$backend = new tool_generator_site_backend($size, $options['bypasscheck'], $fixeddataset, $filesizelimit, empty($options['quiet']));
+$backend->make();
@@ -15,12 +15,110 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

 /**
- * Strings for component 'tool_generator', language 'en', branch 'MOODLE_22_STABLE'
+ * Language strings.
 *
- * @package    tool
- * @subpackage generator
- * @copyright  2011 Petr Skoda
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

-$string['pluginname'] = 'Random course generator';
+$string['bigfile'] = 'Big file {$a}';
+$string['courseexplanation'] = 'This tool creates standard test courses that include many
+sections, activities, and files.
+
+This is intended to provide a standardised measure for checking the reliability
+and performance of various system components (such as backup and restore).
+
+This test is important because there have been many cases previously where,
+faced with real-life use cases (e.g. a course with 1,000 activities), the system
+does not work.
+
+Courses created using this feature can occupy a large amount of database and
+filesystem space (tens of gigabytes). You will need to delete the courses
+(and wait for various cleanup runs) to release this space again.
+
+**Do not use this feature on a live system**. Use only on a developer server.
+(To avoid accidental use, this feature is disabled unless you have also selected
+DEVELOPER debugging level.)';
+
+$string['coursesize_0'] = 'XS (~10KB; create in ~1 second)';
+$string['coursesize_1'] = 'S (~10MB; create in ~30 seconds)';
+$string['coursesize_2'] = 'M (~100MB; create in ~5 minutes)';
+$string['coursesize_3'] = 'L (~1GB; create in ~1 hour)';
+$string['coursesize_4'] = 'XL (~10GB; create in ~4 hours)';
+$string['coursesize_5'] = 'XXL (~20GB; create in ~8 hours)';
+$string['coursewithoutusers'] = 'The selected course has no users';
+$string['createcourse'] = 'Create course';
+$string['createtestplan'] = 'Create test plan';
+$string['creating'] = 'Creating course';
+$string['done'] = 'done ({$a}s)';
+$string['downloadtestplan'] = 'Download test plan';
+$string['downloadusersfile'] = 'Download users file';
+$string['error_nocourses'] = 'There are no courses to generate the test plan';
+$string['error_noforumdiscussions'] = 'The selected course does not contain forum discussions';
+$string['error_noforuminstances'] = 'The selected course does not contain forum module instances';
+$string['error_noforumreplies'] = 'The selected course does not contain forum replies';
+$string['error_nonexistingcourse'] = 'The specified course does not exist';
+$string['error_nopageinstances'] = 'The selected course does not contain page module instances';
+$string['error_notdebugging'] = 'Not available on this server because debugging is not set to DEVELOPER';
+$string['error_nouserspassword'] = 'You need to set $CFG->tool_generator_users_password in config.php to generate the test plan';
+$string['firstname'] = 'Test course user';
+$string['fullname'] = 'Test course: {$a->size}';
+$string['maketestcourse'] = 'Make test course';
+$string['maketestplan'] = 'Make JMeter test plan';
+$string['notenoughusers'] = 'The selected course does not have enough users';
+$string['pluginname'] = 'Development data generator';
+$string['progress_checkaccounts'] = 'Checking user accounts ({$a})';
+$string['progress_coursecompleted'] = 'Course completed ({$a}s)';
+$string['progress_createaccounts'] = 'Creating user accounts ({$a->from} - {$a->to})';
+$string['progress_createbigfiles'] = 'Creating big files ({$a})';
+$string['progress_createcourse'] = 'Creating course {$a}';
+$string['progress_createforum'] = 'Creating forum ({$a} posts)';
+$string['progress_createpages'] = 'Creating pages ({$a})';
+$string['progress_createsmallfiles'] = 'Creating small files ({$a})';
+$string['progress_enrol'] = 'Enrolling users into course ({$a})';
+$string['progress_sitecompleted'] = 'Site completed ({$a}s)';
+$string['shortsize_0'] = 'XS';
+$string['shortsize_1'] = 'S';
+$string['shortsize_2'] = 'M';
+$string['shortsize_3'] = 'L';
+$string['shortsize_4'] = 'XL';
+$string['shortsize_5'] = 'XXL';
+$string['sitesize_0'] = 'XS (~10MB; 3 courses, created in ~30 seconds)';
+$string['sitesize_1'] = 'S (~50MB; 8 courses, created in ~2 minutes)';
+$string['sitesize_2'] = 'M (~200MB; 73 courses, created in ~10 minutes)';
+$string['sitesize_3'] = 'L (~1\'5GB; 277 courses, created in ~1\'5 hours)';
+$string['sitesize_4'] = 'XL (~10GB; 1065 courses, created in ~5 hours)';
+$string['sitesize_5'] = 'XXL (~20GB; 4177 courses, created in ~10 hours)';
+$string['size'] = 'Size of course';
+$string['smallfiles'] = 'Small files';
+$string['targetcourse'] = 'Test target course';
+$string['testplanexplanation'] = 'This tool creates a JMeter test plan file along with the user credentials file.
+
+This test plan is designed to work along with {$a}, which makes easier to run the test plan in a specific Moodle environment, gathers information about the runs and compares the results, so you will need to download it and use it\'s test_runner.sh script or follow the installation and usage instructions.
+
+You need to set a password for the course users in config.php (e.g. $CFG->tool_generator_users_password = \'moodle\';). There is no default value for this password to prevent unintended usages of the tool. You need to use the update passwords option in case your course users have other passwords or they were generated by tool_generator but without setting a $CFG->tool_generator_users_password value.
+
+It is part of tool_generator so it works well with the courses generated by the courses and the site generators, it can
+also be used with any course that contains, at least:
+
+* Enough enrolled users (depends on the test plan size you select) with the password reset to \'moodle\'
+* A page module instance
+* A forum module instance with at least one discussion and one reply
+
+You might want to consider your servers capacity when running large test plans as the amount to load generated by JMeter
+can be specially big. The ramp up period has been adjusted according to the number of threads (users) to reduce this kind
+of issues but the load is still huge.
+
+**Do not run the test plan on a live system**. This feature only creates the files to feed JMeter so is not dangerous by
+itself, but you should **NEVER** run this test plan in a production site.
+
+';
+$string['testplansize_0'] = 'XS ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['testplansize_1'] = 'S ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['testplansize_2'] = 'M ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['testplansize_3'] = 'L ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['testplansize_4'] = 'XL ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['testplansize_5'] = 'XXL ({$a->users} users, {$a->loops} loops and {$a->rampup} rampup period)';
+$string['updateuserspassword'] = 'Update course users password';
+$string['updateuserspassword_help'] = 'JMeter needs to login as the course users, you can set the users password using $CFG->tool_generator_users_password in config.php; this setting updates the course user\'s password according to $CFG->tool_generator_users_password. It can be useful in case you are using a course not generated by tool_generator or $CFG->tool_generator_users_password was not set when you created the test courses.';
@@ -0,0 +1,59 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Generator tool functions.
+ *
+ * @package    tool_generator
+ * @copyright  David Monllaó
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Files support.
+ *
+ * Exits if the required permissions are not satisfied.
+ *
+ * @param stdClass $course course object
+ * @param stdClass $cm
+ * @param stdClass $context context object
+ * @param string $filearea file area
+ * @param array $args extra arguments
+ * @param bool $forcedownload whether or not force download
+ * @param array $options additional options affecting the file serving
+ * @return void The file is sent along with it's headers
+ */
+function tool_generator_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
+
+    // Only for admins or CLI.
+    if (!defined('CLI_SCRIPT') && !is_siteadmin()) {
+        die;
+    }
+
+    if ($context->contextlevel != CONTEXT_SYSTEM) {
+        send_file_not_found();
+    }
+
+    $fs = get_file_storage();
+    $file = $fs->get_file($context->id, 'tool_generator', $filearea, $args[0], '/', $args[1]);
+
+    // Send the file, always forcing download, we don't want options.
+    session_get_instance()->write_close();
+    send_stored_file($file, 0, 0, true);
+}
+
@@ -0,0 +1,71 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Script creates a standardised large course for testing reliability and performance.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+// Disable buffering so that the progress output displays gradually without
+// needing to call flush().
+define('NO_OUTPUT_BUFFERING', true);
+
+require('../../../config.php');
+
+require_once($CFG->libdir . '/adminlib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/course_backend.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/make_course_form.php');
+
+// Initialise page and check permissions.
+admin_externalpage_setup('toolgeneratorcourse');
+
+// Start page.
+echo $OUTPUT->header();
+echo $OUTPUT->heading(get_string('maketestcourse', 'tool_generator'));
+
+// Information message.
+$context = context_system::instance();
+echo $OUTPUT->box(format_text(get_string('courseexplanation', 'tool_generator'),
+        FORMAT_MARKDOWN, array('context' => $context)));
+
+// Check debugging is set to DEVELOPER.
+if (!debugging('', DEBUG_DEVELOPER)) {
+    echo $OUTPUT->notification(get_string('error_notdebugging', 'tool_generator'));
+    echo $OUTPUT->footer();
+    exit;
+}
+
+// Set up the form.
+$mform = new tool_generator_make_course_form('maketestcourse.php');
+if ($data = $mform->get_data()) {
+    // Do actual work.
+    echo $OUTPUT->heading(get_string('creating', 'tool_generator'));
+    $backend = new tool_generator_course_backend($data->shortname, $data->size);
+    $id = $backend->make();
+
+    echo html_writer::div(
+            html_writer::link(new moodle_url('/course/view.php', array('id' => $id)),
+                get_string('continue')));
+} else {
+    // Display form.
+    $mform->display();
+}
+
+// Finish page.
+echo $OUTPUT->footer();
@@ -0,0 +1,89 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Generates a JMeter test plan to performance comparison.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require(__DIR__ . '/../../../config.php');
+require_once($CFG->libdir . '/adminlib.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/testplan_backend.php');
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/make_testplan_form.php');
+
+// Initialise page and check permissions.
+admin_externalpage_setup('toolgeneratortestplan');
+
+// Start page.
+echo $OUTPUT->header();
+echo $OUTPUT->heading(get_string('maketestplan', 'tool_generator'));
+
+// Information message.
+$context = context_system::instance();
+$markdownlink = '[' . tool_generator_testplan_backend::get_repourl() . '](' . tool_generator_testplan_backend::get_repourl() . ')';
+echo $OUTPUT->box(format_text(get_string('testplanexplanation', 'tool_generator', $markdownlink),
+        FORMAT_MARKDOWN, array('context' => $context)));
+
+// Check debugging is set to DEVELOPER.
+if (!debugging('', DEBUG_DEVELOPER)) {
+    echo $OUTPUT->notification(get_string('error_notdebugging', 'tool_generator'));
+    echo $OUTPUT->footer();
+    exit;
+}
+
+// Set up the form.
+$mform = new tool_generator_make_testplan_form('maketestplan.php');
+if ($data = $mform->get_data()) {
+
+    // Creating both test plan and users files.
+    $testplanfile = tool_generator_testplan_backend::create_testplan_file($data->courseid, $data->size);
+    $usersfile = tool_generator_testplan_backend::create_users_file($data->courseid, $data->updateuserspassword);
+
+    // Test plan link.
+    $testplanurl = moodle_url::make_pluginfile_url(
+        $testplanfile->get_contextid(),
+        $testplanfile->get_component(),
+        $testplanfile->get_filearea(),
+        $testplanfile->get_itemid(),
+        $testplanfile->get_filepath(),
+        $testplanfile->get_filename()
+    );
+    echo html_writer::div(
+        html_writer::link($testplanurl, get_string('downloadtestplan', 'tool_generator'))
+    );
+
+    // Users file link.
+    $usersfileurl = moodle_url::make_pluginfile_url(
+        $usersfile->get_contextid(),
+        $usersfile->get_component(),
+        $usersfile->get_filearea(),
+        $usersfile->get_itemid(),
+        $usersfile->get_filepath(),
+        $usersfile->get_filename()
+    );
+    echo html_writer::div(
+        html_writer::link($usersfileurl, get_string('downloadusersfile', 'tool_generator'))
+    );
+
+} else {
+    // Display form.
+    $mform->display();
+}
+
+echo $OUTPUT->footer();
@@ -0,0 +1,36 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Admin settings.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die;
+
+if ($hassiteconfig) {
+    $ADMIN->add('development', new admin_externalpage('toolgeneratorcourse',
+            get_string('maketestcourse', 'tool_generator'),
+            $CFG->wwwroot . '/' . $CFG->admin . '/tool/generator/maketestcourse.php'));
+
+    $ADMIN->add('development', new admin_externalpage('toolgeneratortestplan',
+            get_string('maketestplan', 'tool_generator'),
+            $CFG->wwwroot . '/' . $CFG->admin . '/tool/generator/maketestplan.php'));
+}
+
@@ -0,0 +1,890 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<jmeterTestPlan version="1.2" properties="2.4">
+  <hashTree>
+    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="Test Plan" enabled="true">
+      <stringProp name="TestPlan.comments"></stringProp>
+      <boolProp name="TestPlan.functional_mode">false</boolProp>
+      <boolProp name="TestPlan.serialize_threadgroups">true</boolProp>
+      <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+        <collectionProp name="Arguments.arguments">
+          <elementProp name="runtimestamp" elementType="Argument">
+            <stringProp name="Argument.name">runtimestamp</stringProp>
+            <stringProp name="Argument.value">${__time()}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="moodleversion" elementType="Argument">
+            <stringProp name="Argument.name">moodleversion</stringProp>
+            <stringProp name="Argument.value">{{MOODLEVERSION_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="size" elementType="Argument">
+            <stringProp name="Argument.name">size</stringProp>
+            <stringProp name="Argument.value">{{SIZE_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="host" elementType="Argument">
+            <stringProp name="Argument.name">host</stringProp>
+            <stringProp name="Argument.value">{{HOST_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="sitepath" elementType="Argument">
+            <stringProp name="Argument.name">sitepath</stringProp>
+            <stringProp name="Argument.value">{{SITEPATH_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="courseid" elementType="Argument">
+            <stringProp name="Argument.name">courseid</stringProp>
+            <stringProp name="Argument.value">{{COURSEID_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="pageactivityid" elementType="Argument">
+            <stringProp name="Argument.name">pageactivityid</stringProp>
+            <stringProp name="Argument.value">{{PAGEACTIVITYID_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="forumactivityid" elementType="Argument">
+            <stringProp name="Argument.name">forumactivityid</stringProp>
+            <stringProp name="Argument.value">{{FORUMACTIVITYID_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="forumdiscussionid" elementType="Argument">
+            <stringProp name="Argument.name">forumdiscussionid</stringProp>
+            <stringProp name="Argument.value">{{FORUMDISCUSSIONID_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="forumreplyid" elementType="Argument">
+            <stringProp name="Argument.name">forumreplyid</stringProp>
+            <stringProp name="Argument.value">{{FORUMREPLYID_PLACEHOLDER}}</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+        </collectionProp>
+      </elementProp>
+      <stringProp name="TestPlan.user_define_classpath"></stringProp>
+    </TestPlan>
+    <hashTree>
+      <ConstantThroughputTimer guiclass="TestBeanGUI" testclass="ConstantThroughputTimer" testname="Samples per minute" enabled="true">
+        <stringProp name="calcMode">all active threads (shared)</stringProp>
+        <stringProp name="throughput">${__property(throughput,throughput,120.0)}</stringProp>
+      </ConstantThroughputTimer>
+      <hashTree/>
+      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="Warm-up site" enabled="true">
+        <stringProp name="TestPlan.comments">Used to fill the caches, logs in every user</stringProp>
+        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
+        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller" enabled="true">
+          <boolProp name="LoopController.continue_forever">false</boolProp>
+          <stringProp name="LoopController.loops">1</stringProp>
+        </elementProp>
+        <stringProp name="ThreadGroup.num_threads">${__P(users,{{USERS_PLACEHOLDER}})}</stringProp>
+        <stringProp name="ThreadGroup.ramp_time">${__P(rampup,{{RAMPUP_PLACEHOLDER}})}</stringProp>
+        <longProp name="ThreadGroup.start_time">1378187955000</longProp>
+        <longProp name="ThreadGroup.end_time">1378187955000</longProp>
+        <boolProp name="ThreadGroup.scheduler">false</boolProp>
+        <stringProp name="ThreadGroup.duration"></stringProp>
+        <stringProp name="ThreadGroup.delay"></stringProp>
+      </ThreadGroup>
+      <hashTree>
+        <ConfigTestElement guiclass="HttpDefaultsGui" testclass="ConfigTestElement" testname="Default site request" enabled="true">
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+            <collectionProp name="Arguments.arguments"/>
+          </elementProp>
+          <stringProp name="HTTPSampler.domain">${host}</stringProp>
+          <stringProp name="HTTPSampler.port"></stringProp>
+          <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+          <stringProp name="HTTPSampler.response_timeout"></stringProp>
+          <stringProp name="HTTPSampler.protocol"></stringProp>
+          <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+          <stringProp name="HTTPSampler.path">${sitepath}</stringProp>
+          <stringProp name="HTTPSampler.concurrentPool">4</stringProp>
+        </ConfigTestElement>
+        <hashTree/>
+        <CSVDataSet guiclass="TestBeanGUI" testclass="CSVDataSet" testname="CSV users data" enabled="true">
+          <stringProp name="delimiter">,</stringProp>
+          <stringProp name="fileEncoding"></stringProp>
+          <stringProp name="filename">${__P(usersfile,YOU_FORGOT_TO_SPECIFY_USERS_CSV_FILE.csv)}</stringProp>
+          <boolProp name="quotedData">false</boolProp>
+          <boolProp name="recycle">true</boolProp>
+          <stringProp name="shareMode">All threads</stringProp>
+          <boolProp name="stopThread">false</boolProp>
+          <stringProp name="variableNames">username,password</stringProp>
+        </CSVDataSet>
+        <hashTree/>
+        <LoopController guiclass="LoopControlPanel" testclass="LoopController" testname="Test plan loop" enabled="true">
+          <boolProp name="LoopController.continue_forever">true</boolProp>
+          <stringProp name="LoopController.loops">1</stringProp>
+        </LoopController>
+        <hashTree>
+          <CookieManager guiclass="CookiePanel" testclass="CookieManager" testname="HTTP Cookie Manager" enabled="true">
+            <collectionProp name="CookieManager.cookies"/>
+            <boolProp name="CookieManager.clearEachIteration">true</boolProp>
+            <stringProp name="CookieManager.policy">rfc2109</stringProp>
+          </CookieManager>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Frontpage not logged" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments"/>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path"></stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Login" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="username" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${username}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">username</stringProp>
+                </elementProp>
+                <elementProp name="password" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${password}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">password</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/login/index.php</stringProp>
+            <stringProp name="HTTPSampler.method">POST</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Frontpage logged" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments"/>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path"></stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View course" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/course/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+            <stringProp name="TestPlan.comments">       </stringProp>
+          </HTTPSamplerProxy>
+          <hashTree>
+            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="Regular Expression Extractor" enabled="true">
+              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
+              <stringProp name="RegexExtractor.refname">SESSION_SESSKEY</stringProp>
+              <stringProp name="RegexExtractor.regex">sesskey=([^&quot;]+)&quot;</stringProp>
+              <stringProp name="RegexExtractor.template">$1$</stringProp>
+              <stringProp name="RegexExtractor.default"></stringProp>
+              <stringProp name="RegexExtractor.match_number">2</stringProp>
+              <stringProp name="Sample.scope">all</stringProp>
+            </RegexExtractor>
+            <hashTree/>
+          </hashTree>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Logout" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="sesskey" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_SESSKEY}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">sesskey</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/login/logout.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+        </hashTree>
+      </hashTree>
+      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="Moodle Test" enabled="true">
+        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
+        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller" enabled="true">
+          <boolProp name="LoopController.continue_forever">false</boolProp>
+          <stringProp name="LoopController.loops">${__property(loops,loops,{{LOOPS_PLACEHOLDER}})}</stringProp>
+        </elementProp>
+        <stringProp name="ThreadGroup.num_threads">${__property(users,users,{{USERS_PLACEHOLDER}})}</stringProp>
+        <stringProp name="ThreadGroup.ramp_time">${__property(rampup,rampup,{{RAMPUP_PLACEHOLDER}})}</stringProp>
+        <longProp name="ThreadGroup.start_time">1376636813000</longProp>
+        <longProp name="ThreadGroup.end_time">1376636813000</longProp>
+        <boolProp name="ThreadGroup.scheduler">false</boolProp>
+        <stringProp name="ThreadGroup.duration"></stringProp>
+        <stringProp name="ThreadGroup.delay"></stringProp>
+      </ThreadGroup>
+      <hashTree>
+        <ConfigTestElement guiclass="HttpDefaultsGui" testclass="ConfigTestElement" testname="Default site request" enabled="true">
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+            <collectionProp name="Arguments.arguments"/>
+          </elementProp>
+          <stringProp name="HTTPSampler.domain">${host}</stringProp>
+          <stringProp name="HTTPSampler.port"></stringProp>
+          <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+          <stringProp name="HTTPSampler.response_timeout"></stringProp>
+          <stringProp name="HTTPSampler.protocol"></stringProp>
+          <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+          <stringProp name="HTTPSampler.path">${sitepath}</stringProp>
+          <stringProp name="HTTPSampler.concurrentPool">4</stringProp>
+        </ConfigTestElement>
+        <hashTree/>
+        <CSVDataSet guiclass="TestBeanGUI" testclass="CSVDataSet" testname="CSV users data" enabled="true">
+          <stringProp name="delimiter">,</stringProp>
+          <stringProp name="fileEncoding"></stringProp>
+          <stringProp name="filename">${__P(usersfile,YOU_FORGOT_TO_SPECIFY_USERS_CSV_FILE.csv)}</stringProp>
+          <boolProp name="quotedData">false</boolProp>
+          <boolProp name="recycle">true</boolProp>
+          <stringProp name="shareMode">All threads</stringProp>
+          <boolProp name="stopThread">false</boolProp>
+          <stringProp name="variableNames">username,password</stringProp>
+        </CSVDataSet>
+        <hashTree/>
+        <LoopController guiclass="LoopControlPanel" testclass="LoopController" testname="Test plan loop" enabled="true">
+          <boolProp name="LoopController.continue_forever">true</boolProp>
+          <stringProp name="LoopController.loops">1</stringProp>
+        </LoopController>
+        <hashTree>
+          <CookieManager guiclass="CookiePanel" testclass="CookieManager" testname="HTTP Cookie Manager" enabled="true">
+            <collectionProp name="CookieManager.cookies"/>
+            <boolProp name="CookieManager.clearEachIteration">true</boolProp>
+            <stringProp name="CookieManager.policy">rfc2109</stringProp>
+          </CookieManager>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Frontpage not logged" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments"/>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path"></stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Login" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="username" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${username}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">username</stringProp>
+                </elementProp>
+                <elementProp name="password" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${password}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">password</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/login/index.php</stringProp>
+            <stringProp name="HTTPSampler.method">POST</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree>
+            <ResponseAssertion guiclass="AssertionGui" testclass="ResponseAssertion" testname="Logged in" enabled="true">
+              <collectionProp name="Asserion.test_strings">
+                <stringProp name="615717117">&lt;div class=&quot;logininfo&quot;&gt;You are logged in as</stringProp>
+              </collectionProp>
+              <stringProp name="Assertion.test_field">Assertion.response_data</stringProp>
+              <boolProp name="Assertion.assume_success">false</boolProp>
+              <intProp name="Assertion.test_type">2</intProp>
+            </ResponseAssertion>
+            <hashTree/>
+          </hashTree>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Frontpage logged" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments"/>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path"></stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View course" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/course/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+            <stringProp name="TestPlan.comments">		</stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View a page activity" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${pageactivityid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/mod/page/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View course again" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/course/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View a forum activity" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumactivityid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/mod/forum/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View a forum discussion" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="d" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumdiscussionid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">d</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/mod/forum/discuss.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Fill a form to reply a forum discussion" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="reply" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumreplyid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">reply</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/mod/forum/post.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree>
+            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="Get session userid" enabled="true">
+              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
+              <stringProp name="RegexExtractor.refname">SESSION_USERID</stringProp>
+              <stringProp name="RegexExtractor.regex">name=&quot;userid&quot;\stype=&quot;hidden&quot;\svalue=&quot;(\d+)&quot;</stringProp>
+              <stringProp name="RegexExtractor.template">$1$</stringProp>
+              <stringProp name="RegexExtractor.default">0</stringProp>
+              <stringProp name="RegexExtractor.match_number">1</stringProp>
+            </RegexExtractor>
+            <hashTree/>
+            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="Get session sesskey" enabled="true">
+              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
+              <stringProp name="RegexExtractor.refname">SESSION_SESSKEY</stringProp>
+              <stringProp name="RegexExtractor.regex">name=&quot;sesskey&quot;\stype=&quot;hidden&quot;\svalue=&quot;([^&quot;]+)&quot;</stringProp>
+              <stringProp name="RegexExtractor.template">$1$</stringProp>
+              <stringProp name="RegexExtractor.default">0</stringProp>
+              <stringProp name="RegexExtractor.match_number">1</stringProp>
+            </RegexExtractor>
+            <hashTree/>
+            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="Get forum form attachments" enabled="true">
+              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
+              <stringProp name="RegexExtractor.refname">SESSION_FORUMFORMATTACHMENTS</stringProp>
+              <stringProp name="RegexExtractor.regex">value=&quot;(\d+)&quot;\sname=&quot;attachments&quot;\stype=&quot;hidden&quot;</stringProp>
+              <stringProp name="RegexExtractor.template">$1$</stringProp>
+              <stringProp name="RegexExtractor.default">0</stringProp>
+              <stringProp name="RegexExtractor.match_number">1</stringProp>
+            </RegexExtractor>
+            <hashTree/>
+            <RegexExtractor guiclass="RegexExtractorGui" testclass="RegexExtractor" testname="Get forum form itemid" enabled="true">
+              <stringProp name="RegexExtractor.useHeaders">false</stringProp>
+              <stringProp name="RegexExtractor.refname">SESSION_FORUMFORMITEMID</stringProp>
+              <stringProp name="RegexExtractor.regex">type=&quot;hidden&quot;\sname=&quot;message\[itemid\]&quot;\svalue=&quot;(\d+)&quot;</stringProp>
+              <stringProp name="RegexExtractor.template">$1$</stringProp>
+              <stringProp name="RegexExtractor.default">0</stringProp>
+              <stringProp name="RegexExtractor.match_number">1</stringProp>
+            </RegexExtractor>
+            <hashTree/>
+          </hashTree>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Send the forum discussion reply" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="course" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">course</stringProp>
+                </elementProp>
+                <elementProp name="forum" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">0</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">forum</stringProp>
+                </elementProp>
+                <elementProp name="discussion" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumdiscussionid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">discussion</stringProp>
+                </elementProp>
+                <elementProp name="userid" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_USERID}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">userid</stringProp>
+                </elementProp>
+                <elementProp name="groupid" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">0</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">groupid</stringProp>
+                </elementProp>
+                <elementProp name="edit" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">0</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">edit</stringProp>
+                </elementProp>
+                <elementProp name="reply" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumreplyid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">reply</stringProp>
+                </elementProp>
+                <elementProp name="sesskey" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_SESSKEY}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">sesskey</stringProp>
+                </elementProp>
+                <elementProp name="_qf__mod_forum_post_form" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">1</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">_qf__mod_forum_post_form</stringProp>
+                </elementProp>
+                <elementProp name="subject" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">Re: I am the test plan reply subject</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">subject</stringProp>
+                </elementProp>
+                <elementProp name="message[itemid]" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_FORUMFORMITEMID}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">message[itemid]</stringProp>
+                </elementProp>
+                <elementProp name="message[format]" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">1</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">message[format]</stringProp>
+                </elementProp>
+                <elementProp name="message[text]" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">I am the test plan reply message</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">message[text]</stringProp>
+                </elementProp>
+                <elementProp name="parent" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${forumreplyid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">parent</stringProp>
+                </elementProp>
+                <elementProp name="subscribe" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">1</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">subscribe</stringProp>
+                </elementProp>
+                <elementProp name="attachments" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_FORUMFORMATTACHMENTS}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">attachments</stringProp>
+                </elementProp>
+                <elementProp name="timestart" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">0</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">timestart</stringProp>
+                </elementProp>
+                <elementProp name="timeend" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">0</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">timeend</stringProp>
+                </elementProp>
+                <elementProp name="submitbutton" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">Post to forum</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">submitbutton</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/mod/forum/post.php</stringProp>
+            <stringProp name="HTTPSampler.method">POST</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View course once more" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/course/view.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="View course participants" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="id" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${courseid}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">id</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/user/index.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+          <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="Logout" enabled="true">
+            <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
+              <collectionProp name="Arguments.arguments">
+                <elementProp name="sesskey" elementType="HTTPArgument">
+                  <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                  <stringProp name="Argument.value">${SESSION_SESSKEY}</stringProp>
+                  <stringProp name="Argument.metadata">=</stringProp>
+                  <boolProp name="HTTPArgument.use_equals">true</boolProp>
+                  <stringProp name="Argument.name">sesskey</stringProp>
+                </elementProp>
+              </collectionProp>
+            </elementProp>
+            <stringProp name="HTTPSampler.domain"></stringProp>
+            <stringProp name="HTTPSampler.port"></stringProp>
+            <stringProp name="HTTPSampler.connect_timeout"></stringProp>
+            <stringProp name="HTTPSampler.response_timeout"></stringProp>
+            <stringProp name="HTTPSampler.protocol"></stringProp>
+            <stringProp name="HTTPSampler.contentEncoding"></stringProp>
+            <stringProp name="HTTPSampler.path">${sitepath}/login/logout.php</stringProp>
+            <stringProp name="HTTPSampler.method">GET</stringProp>
+            <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+            <boolProp name="HTTPSampler.auto_redirects">false</boolProp>
+            <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+            <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
+            <boolProp name="HTTPSampler.monitor">false</boolProp>
+            <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
+          </HTTPSamplerProxy>
+          <hashTree/>
+        </hashTree>
+        <BeanShellListener guiclass="TestBeanGUI" testclass="BeanShellListener" testname="Create php array results" enabled="true">
+          <stringProp name="filename">recorder.bsf</stringProp>
+          <stringProp name="parameters"></stringProp>
+          <boolProp name="resetInterpreter">false</boolProp>
+          <stringProp name="script"></stringProp>
+        </BeanShellListener>
+        <hashTree/>
+        <ResultCollector guiclass="SimpleDataWriter" testclass="ResultCollector" testname="Simple Data Writer" enabled="true">
+          <boolProp name="ResultCollector.error_logging">false</boolProp>
+          <objProp>
+            <name>saveConfig</name>
+            <value class="SampleSaveConfiguration">
+              <time>true</time>
+              <latency>true</latency>
+              <timestamp>true</timestamp>
+              <success>true</success>
+              <label>true</label>
+              <code>true</code>
+              <message>true</message>
+              <threadName>true</threadName>
+              <dataType>true</dataType>
+              <encoding>false</encoding>
+              <assertions>true</assertions>
+              <subresults>true</subresults>
+              <responseData>false</responseData>
+              <samplerData>false</samplerData>
+              <xml>true</xml>
+              <fieldNames>false</fieldNames>
+              <responseHeaders>false</responseHeaders>
+              <requestHeaders>false</requestHeaders>
+              <responseDataOnError>false</responseDataOnError>
+              <saveAssertionResultsFailureMessage>false</saveAssertionResultsFailureMessage>
+              <assertionsResultsToSave>0</assertionsResultsToSave>
+              <bytes>true</bytes>
+            </value>
+          </objProp>
+          <stringProp name="filename">runs_samples/data.${runtimestamp}.jtl</stringProp>
+        </ResultCollector>
+        <hashTree/>
+      </hashTree>
+    </hashTree>
+  </hashTree>
+</jmeterTestPlan>
@@ -0,0 +1,207 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/course_backend.php');
+
+/**
+ * Automated unit testing. This tests the 'make large course' backend,
+ * using the 'XS' option so that it completes quickly.
+ *
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_maketestcourse_testcase extends advanced_testcase {
+    /**
+     * Creates a small test course and checks all the components have been put in place.
+     */
+    public function test_make_xs_course() {
+        global $DB;
+
+        $this->resetAfterTest();
+        $this->setAdminUser();
+
+        // Create the XS course.
+        $backend = new tool_generator_course_backend('TOOL_MAKELARGECOURSE_XS', 0, false, false, false);
+        $courseid = $backend->make();
+
+        // Get course details.
+        $course = get_course($courseid);
+        $context = context_course::instance($courseid);
+        $modinfo = get_fast_modinfo($course);
+
+        // Check sections (just section 0 plus one other).
+        $this->assertEquals(2, count($modinfo->get_section_info_all()));
+
+        // Check user is enrolled.
+        $users = get_enrolled_users($context);
+        $this->assertEquals(1, count($users));
+        $this->assertEquals('tool_generator_000001', reset($users)->username);
+
+        // Check there's a page on the course.
+        $pages = $modinfo->get_instances_of('page');
+        $this->assertEquals(1, count($pages));
+
+        // Check there are small files.
+        $resources = $modinfo->get_instances_of('resource');
+        $ok = false;
+        foreach ($resources as $resource) {
+            if ($resource->sectionnum == 0) {
+                // The one in section 0 is the 'small files' resource.
+                $ok = true;
+                break;
+            }
+        }
+        $this->assertTrue($ok);
+
+        // Check it contains 2 files (the default txt and a dat file).
+        $fs = get_file_storage();
+        $resourcecontext = context_module::instance($resource->id);
+        $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
+        $files = array_values($files);
+        $this->assertEquals(2, count($files));
+        $this->assertEquals('resource1.txt', $files[0]->get_filename());
+        $this->assertEquals('smallfile0.dat', $files[1]->get_filename());
+
+        // Check there's a single 'big' file (it's actually only 8KB).
+        $ok = false;
+        foreach ($resources as $resource) {
+            if ($resource->sectionnum == 1) {
+                $ok = true;
+                break;
+            }
+        }
+        $this->assertTrue($ok);
+
+        // Check it contains 2 files.
+        $resourcecontext = context_module::instance($resource->id);
+        $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
+        $files = array_values($files);
+        $this->assertEquals(2, count($files));
+        $this->assertEquals('bigfile0.dat', $files[0]->get_filename());
+        $this->assertEquals('resource2.txt', $files[1]->get_filename());
+
+        // Get forum and count the number of posts on it.
+        $forums = $modinfo->get_instances_of('forum');
+        $forum = reset($forums);
+        $posts = $DB->count_records_sql("
+                SELECT
+                    COUNT(1)
+                FROM
+                    {forum_posts} fp
+                    JOIN {forum_discussions} fd ON fd.id = fp.discussion
+                WHERE
+                    fd.forum = ?", array($forum->instance));
+        $this->assertEquals(2, $posts);
+    }
+
+    /**
+     * Creates an small test course with fixed data set and checks the used sections and users.
+     */
+    public function test_fixed_data_set() {
+
+        $this->resetAfterTest();
+        $this->setAdminUser();
+
+        // Create the S course (more sections and activities than XS).
+        $backend = new tool_generator_course_backend('TOOL_S_COURSE_1', 1, true, false, false);
+        $courseid = $backend->make();
+
+        // Get course details.
+        $course = get_course($courseid);
+        $modinfo = get_fast_modinfo($course);
+
+        // Check module instances belongs to section 1.
+        $instances = $modinfo->get_instances_of('page');
+        foreach ($instances as $instance) {
+            $this->assertEquals(1, $instance->sectionnum);
+        }
+
+        // Users that started discussions are the same.
+        $forums = $modinfo->get_instances_of('forum');
+        $discussions = forum_get_discussions(reset($forums), 'd.timemodified ASC');
+        $lastusernumber = 0;
+        $discussionstarters = array();
+        foreach ($discussions as $discussion) {
+            $usernumber = intval($discussion->lastname);
+
+            // Checks that the users are odd numbers.
+            $this->assertEquals(1, $usernumber % 2);
+
+            // Checks that the users follows an increasing order.
+            $this->assertGreaterThan($lastusernumber, $usernumber);
+            $lastusernumber = $usernumber;
+            $discussionstarters[$discussion->userid] = $discussion->subject;
+        }
+
+    }
+
+    /**
+     * Creates a small test course specifying a maximum size and checks the generated files size is limited.
+     */
+    public function test_filesize_limit() {
+
+        $this->resetAfterTest();
+        $this->setAdminUser();
+
+        // Limit.
+        $filesizelimit = 100;
+
+        // Create a limited XS course.
+        $backend = new tool_generator_course_backend('TOOL_XS_LIMITED', 0, false, $filesizelimit, false);
+        $courseid = $backend->make();
+
+        $course = get_course($courseid);
+        $modinfo = get_fast_modinfo($course);
+
+        // Check there are small files.
+        $fs = get_file_storage();
+        $resources = $modinfo->get_instances_of('resource');
+        foreach ($resources as $resource) {
+            $resourcecontext = context_module::instance($resource->id);
+            $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
+            foreach ($files as $file) {
+                if ($file->get_mimetype() == 'application/octet-stream') {
+                    $this->assertLessThanOrEqual($filesizelimit, $file->get_filesize());
+                }
+            }
+        }
+
+        // Create a non-limited XS course.
+        $backend = new tool_generator_course_backend('TOOL_XS_NOLIMITS', 0, false, false, false);
+        $courseid = $backend->make();
+
+        $course = get_course($courseid);
+        $modinfo = get_fast_modinfo($course);
+
+        // Check there are small files.
+        $fs = get_file_storage();
+        $resources = $modinfo->get_instances_of('resource');
+        foreach ($resources as $resource) {
+            $resourcecontext = context_module::instance($resource->id);
+            $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
+            foreach ($files as $file) {
+                if ($file->get_mimetype() == 'application/octet-stream') {
+                    $this->assertGreaterThan($filesizelimit, (int)$file->get_filesize());
+                }
+            }
+        }
+
+    }
+}
@@ -0,0 +1,109 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit test for the site generator
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/generator/classes/site_backend.php');
+
+/**
+ * Silly class to access site_backend internal methods.
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class testable_tool_generator_site_backend extends tool_generator_site_backend {
+
+    /**
+     * Public accessor.
+     *
+     * @return int
+     */
+    public static function get_last_testcourse_id() {
+        return parent::get_last_testcourse_id();
+    }
+}
+
+/**
+ * Unit test for the site generator
+ *
+ * @package tool_generator
+ * @copyright 2013 David Monllaó
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tool_generator_maketestsite_testcase extends advanced_testcase {
+
+    /**
+     * Checks that site courses shortnames are properly generated.
+     */
+    public function test_shortnames_generation() {
+
+        $this->resetAfterTest();
+        $this->setAdminUser();
+
+        $generator = $this->getDataGenerator();
+
+        // Shortname common prefix.
+        $prefix = tool_generator_site_backend::SHORTNAMEPREFIX;
+
+        $record = array();
+
+        // Without courses will be 0.
+        $lastshortname = testable_tool_generator_site_backend::get_last_testcourse_id();
+        $this->assertEquals(0, $lastshortname);
+
+        // Without {$prefix} + {no integer} courses will be 0.
+        $record['shortname'] = $prefix . 'AA';
+        $generator->create_course($record);
+        $record['shortname'] = $prefix . '__';
+        $generator->create_course($record);
+        $record['shortname'] = $prefix . '12.2';
+        $generator->create_course($record);
+
+        $lastshortname = testable_tool_generator_site_backend::get_last_testcourse_id();
+        $this->assertEquals(0, $lastshortname);
+
+        // With {$prefix} + {integer} courses will be the higher one.
+        $record['shortname'] = $prefix . '2';
+        $generator->create_course($record);
+        $record['shortname'] = $prefix . '20';
+        $generator->create_course($record);
+        $record['shortname'] = $prefix . '8';
+        $generator->create_course($record);
+
+        $lastshortname = testable_tool_generator_site_backend::get_last_testcourse_id();
+        $this->assertEquals(20, $lastshortname);
+
+        // Numeric order.
+        for ($i = 9; $i < 14; $i++) {
+            $record['shortname'] = $prefix . $i;
+            $generator->create_course($record);
+        }
+
+        $lastshortname = testable_tool_generator_site_backend::get_last_testcourse_id();
+        $this->assertEquals(20, $lastshortname);
+    }
+
+}
@@ -17,16 +17,13 @@
 /**
 * Version details.
 *
- * @package    tool
- * @subpackage generator
- * @copyright  2009 Nicolas Connault
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package tool_generator
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

 defined('MOODLE_INTERNAL') || die();

-$plugin->version   = 2013050100; // The current plugin version (Date: YYYYMMDDXX)
-$plugin->requires  = 2013050100; // Requires this Moodle version
-$plugin->component = 'tool_generator'; // Full name of the plugin (used for diagnostics)
-
-$plugin->maturity  = MATURITY_ALPHA; // this version's maturity level
+$plugin->version = 2013051402.04;
+$plugin->requires = 2013050100;
+$plugin->component = 'tool_generator';
@@ -143,15 +143,32 @@ class tool_installaddon_installer {
        $fp = get_file_packer('application/zip');
        $files = $fp->extract_to_pathname($zipfilepath, $targetdir);

-        if ($files) {
-            if (!empty($rootdir)) {
-                $files = $this->rename_extracted_rootdir($targetdir, $rootdir, $files);
-            }
-            return $files;
-
-        } else {
+        if (!$files) {
            return array();
        }
+
+        if (!empty($rootdir)) {
+            $files = $this->rename_extracted_rootdir($targetdir, $rootdir, $files);
+        }
+
+        // Sometimes zip may not contain all parent directories, add them to make it consistent.
+        foreach ($files as $path => $status) {
+            if ($status !== true) {
+                continue;
+            }
+            $parts = explode('/', trim($path, '/'));
+            while (array_pop($parts)) {
+                if (empty($parts)) {
+                    break;
+                }
+                $dir = implode('/', $parts).'/';
+                if (!isset($files[$dir])) {
+                    $files[$dir] = true;
+                }
+            }
+        }
+
+        return $files;
    }

    /**
@@ -38,7 +38,7 @@ $string['nolangupdateneeded'] = 'All your language packs are up to date, no upda
 $string['pluginname'] = 'Language packs';
 $string['purgestringcaches'] = 'Purge string caches';
 $string['remotelangnotavailable'] = 'Because Moodle cannot connect to download.moodle.org, it is not possible for language packs to be installed automatically. Please download the appropriate ZIP file(s) from <a href="http://download.moodle.org/langpack/">download.moodle.org/langpack</a>, copy them to your {$a} directory and unzip them manually.';
-$string['uninstall'] = 'Uninstall selected language pack(s)';
+$string['uninstall'] = 'Uninstall selected language pack';
 $string['uninstallconfirm'] = 'You are about to completely uninstall language pack {$a}, are you sure?';
 $string['updatelangs'] = 'Update all installed language packs';

@@ -23,5 +23,7 @@
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

-$string['multilangupgradeinfo'] = 'The multilang filter syntax was changed in 1.8, &lt;lang&gt; tag is not supported any more. <br /><br />Example: &lt;span lang="en" class="multilang">Hello!&lt;/span&gt;&lt;span lang="es" class="multilang">Hola!&lt;/span&gt;<br /><br /><strong>Do you want to upgrade the syntax in all existing texts now?</strong>';
+$string['multilangupgradeinfo'] = '<p>The multilang filter syntax was changed in 1.8 and so the &lt;lang&gt; tag is not supported any more.</p>
+<p>Example: &lt;span lang="en" class="multilang"&gt;Hello!&lt;/span&gt;&lt;span lang="es" class="multilang"&gt;Hola!&lt;/span&gt;</p>
+<p>Do you want to upgrade the syntax in all existing texts now?</p>';
 $string['pluginname'] = 'Multilang upgrade';
@@ -46,7 +46,7 @@ class tool_qeupgradehelper_extract_options_form extends moodleform {

        $qtypes = get_plugin_list('qtype');
        foreach ($qtypes as $qtype => $notused) {
-            $qtypes[$qtype] = get_string($qtype, 'qtype_' . $qtype);
+            $qtypes[$qtype] = get_string('pluginname', 'qtype_' . $qtype);
        }

        $mform->addElement('header', 'h1', 'Either extract a specific question_session');
@@ -179,12 +179,12 @@ function search_spammers($keywords) {
    $conditions7 = '( '.implode(' OR ', $keywordfull7).' )';

    $sql  = "SELECT * FROM {user} WHERE deleted = 0 AND id <> :userid AND $conditions";  // Exclude oneself
-    $sql2 = "SELECT u.*, p.summary FROM {user} AS u, {post} AS p WHERE $conditions2 AND u.deleted = 0 AND u.id=p.userid AND u.id <> :userid";
-    $sql3 = "SELECT u.*, p.subject as postsubject FROM {user} AS u, {post} AS p WHERE $conditions3 AND u.deleted = 0 AND u.id=p.userid AND u.id <> :userid";
-    $sql4 = "SELECT u.*, c.content FROM {user} AS u, {comments} AS c WHERE $conditions4 AND u.deleted = 0 AND u.id=c.userid AND u.id <> :userid";
-    $sql5 = "SELECT u.*, m.fullmessage FROM {user} AS u, {message} AS m WHERE $conditions5 AND u.deleted = 0 AND u.id=m.useridfrom AND u.id <> :userid";
-    $sql6 = "SELECT u.*, fp.message FROM {user} AS u, {forum_posts} AS fp WHERE $conditions6 AND u.deleted = 0 AND u.id=fp.userid AND u.id <> :userid";
-    $sql7 = "SELECT u.*, fp.subject FROM {user} AS u, {forum_posts} AS fp WHERE $conditions7 AND u.deleted = 0 AND u.id=fp.userid AND u.id <> :userid";
+    $sql2 = "SELECT u.*, p.summary FROM {user} u, {post} p WHERE $conditions2 AND u.deleted = 0 AND u.id=p.userid AND u.id <> :userid";
+    $sql3 = "SELECT u.*, p.subject as postsubject FROM {user} u, {post} p WHERE $conditions3 AND u.deleted = 0 AND u.id=p.userid AND u.id <> :userid";
+    $sql4 = "SELECT u.*, c.content FROM {user} u, {comments} c WHERE $conditions4 AND u.deleted = 0 AND u.id=c.userid AND u.id <> :userid";
+    $sql5 = "SELECT u.*, m.fullmessage FROM {user} u, {message} m WHERE $conditions5 AND u.deleted = 0 AND u.id=m.useridfrom AND u.id <> :userid";
+    $sql6 = "SELECT u.*, fp.message FROM {user} u, {forum_posts} fp WHERE $conditions6 AND u.deleted = 0 AND u.id=fp.userid AND u.id <> :userid";
+    $sql7 = "SELECT u.*, fp.subject FROM {user} u, {forum_posts} fp WHERE $conditions7 AND u.deleted = 0 AND u.id=fp.userid AND u.id <> :userid";

    $spamusers_desc = $DB->get_recordset_sql($sql, $params);
    $spamusers_blog = $DB->get_recordset_sql($sql2, $params);
@@ -27,7 +27,8 @@ $string['pluginname'] = 'Spam cleaner';
 $string['spamauto'] = 'Autodetect common spam patterns';
 $string['spamcannotdelete'] = 'Cannot delete this user';
 $string['spamcannotfinduser'] = 'No users matching your search';
-$string['spamcleanerintro'] = 'This script allows you to search all user profiles for certain strings and then delete those accounts which are obviously created by spammers.  You can search for multiple keywords using commas (eg casino, porn)<br /><br />Moodle docs has more information about <a href="http://docs.moodle.org/en/Reducing_spam_in_Moodle">Reducing spam in Moodle</a>.';
+$string['spamcleanerintro'] = '<p>This script allows you to search all user profiles for certain strings and then delete those accounts which are obviously created by spammers. You can search for multiple keywords using commas (e.g. casino, porn).</p>
+<p>For further information, see the documentation <a href="http://docs.moodle.org/en/Reducing_spam_in_Moodle">Reducing spam in Moodle</a>.</p>';
 $string['spamdeleteall'] = 'Delete all these user accounts';
 $string['spamdeleteallconfirm'] = 'Are you sure you want to delete all these user accounts?  You can not undo this.';
 $string['spamdeleteconfirm'] = 'Are you sure you want to delete this entry?  You can not undo this.';
@@ -99,12 +99,16 @@ $STD_FIELDS = array('id', 'firstname', 'lastname', 'username', 'email',

 $PRF_FIELDS = array();

-if ($prof_fields = $DB->get_records('user_info_field')) {
-    foreach ($prof_fields as $prof_field) {
-        $PRF_FIELDS[] = 'profile_field_'.$prof_field->shortname;
+if ($proffields = $DB->get_records('user_info_field')) {
+    foreach ($proffields as $key => $proffield) {
+        $profilefieldname = 'profile_field_'.$proffield->shortname;
+        $PRF_FIELDS[] = $profilefieldname;
+        // Re-index $proffields with key as shortname. This will be
+        // used while checking if profile data is key and needs to be converted (eg. menu profile field)
+        $proffields[$profilefieldname] = $proffield;
+        unset($proffields[$key]);
    }
 }
-unset($prof_fields);

 if (empty($iid)) {
    $mform1 = new admin_uploaduser_form1();
@@ -228,10 +232,10 @@ if ($formdata = $mform2->is_cancelled()) {
                    $user->$key['text']   = $value;
                    $user->$key['format'] = FORMAT_MOODLE;
                } else {
-                    $user->$key = $value;
+                    $user->$key = trim($value);
                }
            } else {
-                $user->$key = $value;
+                $user->$key = trim($value);
            }

            if (in_array($key, $upt->columns)) {
@@ -371,6 +375,16 @@ if ($formdata = $mform2->is_cancelled()) {
            if (isset($formdata->$field)) {
                // process templates
                $user->$field = uu_process_template($formdata->$field, $user);
+
+                // Form contains key and later code expects value.
+                // Convert key to value for required profile fields.
+                require_once($CFG->dirroot.'/user/profile/field/'.$proffields[$field]->datatype.'/field.class.php');
+                $profilefieldclass = 'profile_field_'.$proffields[$field]->datatype;
+                $profilefield = new $profilefieldclass($proffields[$field]->id);
+                if (method_exists($profilefield, 'convert_external_data')) {
+                    $user->$field = $profilefield->edit_save_data_preprocess($user->$field, null);
+                }
+
                $formdefaults[$field] = true;
            }
        }
@@ -533,8 +547,6 @@ if ($formdata = $mform2->is_cancelled()) {
                        continue;
                    }
                    if (!property_exists($user, $column) or !property_exists($existinguser, $column)) {
-                        // this should never happen
-                        debugging("Could not find $column on the user objects", DEBUG_DEVELOPER);
                        continue;
                    }
                    if ($updatetype == UU_UPDATE_MISSING) {
@@ -952,6 +964,7 @@ if ($formdata = $mform2->is_cancelled()) {
                if ($rid) {
                    // find duration
                    $timeend   = 0;
+
                    if (!empty($user->{'enrolperiod'.$i})) {
                        $duration = (int)$user->{'enrolperiod'.$i} * 60*60*24; // convert days to seconds
                        if ($duration > 0) { // sanity check
@@ -1083,7 +1096,7 @@ while ($linenum <= $previewrows and $fields = $cir->next()) {
    $rowcols = array();
    $rowcols['line'] = $linenum;
    foreach($fields as $key => $field) {
-        $rowcols[$filecolumns[$key]] = s($field);
+        $rowcols[$filecolumns[$key]] = s(trim($field));
    }
    $rowcols['status'] = array();

@@ -1109,7 +1122,7 @@ while ($linenum <= $previewrows and $fields = $cir->next()) {
    }

    if (isset($rowcols['city'])) {
-        $rowcols['city'] = trim($rowcols['city']);
+        $rowcols['city'] = $rowcols['city'];
        if (empty($rowcols['city'])) {
            $rowcols['status'][] = get_string('fieldrequired', 'error', 'city');
        }
@@ -53,6 +53,8 @@ class check_foreign_keys extends XMLDBCheckAction {
            'noviolatedforeignkeysfound' => 'tool_xmldb',
            'violatedforeignkeysfound' => 'tool_xmldb',
            'violations' => 'tool_xmldb',
+            'unknowntable' => 'tool_xmldb',
+            'unknownfield' => 'tool_xmldb',
        ));
    }

@@ -75,6 +77,19 @@ class check_foreign_keys extends XMLDBCheckAction {
                }
                $o.='            <li>' . $this->str['key'] . ': ' . $xmldb_key->readableInfo() . ' ';

+                $reftable = $xmldb_key->getRefTable();
+                if (!$dbman->table_exists($reftable)) {
+                    $o.='<font color="red">' . $this->str['unknowntable'] . '</font>';
+                    // Add the missing index to the list
+                    $violation = new stdClass();
+                    $violation->string = 'fkunknowntable';
+                    $violation->table = $xmldb_table;
+                    $violation->key = $xmldb_key;
+                    $violation->reftable = $reftable;
+                    $violatedkeys[] = $violation;
+                    continue;
+                }
+
                // Work out the SQL to find key violations.
                $keyfields = $xmldb_key->getFields();
                $reffields = $xmldb_key->getRefFields();
@@ -82,6 +97,19 @@ class check_foreign_keys extends XMLDBCheckAction {
                $nullnessconditions = array();
                $params = array();
                foreach ($keyfields as $i => $field) {
+                    if (!$dbman->field_exists($reftable, $reffields[$i])) {
+                        $o.='<font color="red">' . $this->str['unknownfield'] . '</font>';
+                        // Add the missing index to the list
+                        $violation = new stdClass();
+                        $violation->string = 'fkunknownfield';
+                        $violation->table = $xmldb_table;
+                        $violation->key = $xmldb_key;
+                        $violation->reftable = $reftable;
+                        $violation->reffield = $reffields[$i];
+                        $violatedkeys[] = $violation;
+                        continue 2;
+                    }
+
                    $joinconditions[] = 't1.' . $field . ' = t2.' . $reffields[$i];
                    $xmldb_field = $xmldb_table->getField($field);
                    $default = $xmldb_field->getDefault();
@@ -97,7 +125,7 @@ class check_foreign_keys extends XMLDBCheckAction {
                }
                $nullnessconditions[] = 't2.id IS NULL';
                $sql = 'SELECT count(1) FROM {' . $xmldb_table->getName() .
-                        '} t1 LEFT JOIN {' . $xmldb_key->getRefTable() . '} t2 ON ' .
+                        '} t1 LEFT JOIN {' . $reftable . '} t2 ON ' .
                        implode(' AND ', $joinconditions) . ' WHERE ' .
                        implode(' AND ', $nullnessconditions);

@@ -109,6 +137,7 @@ class check_foreign_keys extends XMLDBCheckAction {
                    $o.='<font color="red">' . $this->str['violations'] . '</font>';
                    // Add the missing index to the list
                    $violation = new stdClass;
+                    $violation->string = 'fkviolationdetails';
                    $violation->table = $xmldb_table;
                    $violation->key = $xmldb_key;
                    $violation->numviolations = $violations;
@@ -145,8 +174,11 @@ class check_foreign_keys extends XMLDBCheckAction {
                $violation->tablename = $violation->table->getName();
                $violation->keyname = $violation->key->getName();

-                $r.= '            <li>' .get_string('fkviolationdetails', 'tool_xmldb', $violation) .
-                        '<pre>' . s($violation->sql) . '; ' . s($violation->sqlparams) . '</pre></li>';
+                $r.= '            <li>' .get_string($violation->string, 'tool_xmldb', $violation);
+                if (!empty($violation->sql)) {
+                    $r.= '<pre>' . s($violation->sql) . '; ' . s($violation->sqlparams) . '</pre>';
+                }
+                $r.= '</li>';
            }
            $r.= '        </ul>';
        } else {
@@ -106,6 +106,8 @@ $string['fieldsusedinindex'] = 'This field is used as index';
 $string['fieldsusedinkey'] = 'This field is used as key.';
 $string['filemodifiedoutfromeditor'] = 'Warning: File locally modified while using the XMLDB Editor. Saving will overwrite local changes.';
 $string['filenotwriteable'] = 'File not writeable';
+$string['fkunknownfield'] = 'Foreign key {$a->keyname} on table {$a->tablename} points to a non-existent field {$a->reffield} in referenced table {$a->reftable}.';
+$string['fkunknowntable'] = 'Foreign key {$a->keyname} on table {$a->tablename} points to a non-existent table {$a->reftable}.';
 $string['fkviolationdetails'] = 'Foreign key {$a->keyname} on table {$a->tablename} is violated by {$a->numviolations} out of {$a->numrows} rows.';
 $string['floatincorrectdecimals'] = 'Incorrect number of decimals for float field';
 $string['floatincorrectlength'] = 'Incorrect length for float field';
@@ -183,6 +185,8 @@ $string['selecttable'] = 'Select table:';
 $string['table'] = 'Table';
 $string['tablenameempty'] = 'The table name cannot be empty';
 $string['tables'] = 'Tables';
+$string['unknownfield'] = 'Refers to an unknown field';
+$string['unknowntable'] = 'Refers to an unknown table';
 $string['unload'] = 'Unload';
 $string['up'] = 'Up';
 $string['view'] = 'View';
@@ -206,7 +210,11 @@ $string['wronglengthforenum'] = 'Incorrect length for enum field';
 $string['wrongnumberofreffields'] = 'Wrong number of reference fields';
 $string['wrongreservedwords'] = 'Currently used reserved words<br />(note that table names aren\'t important if using $CFG->prefix)';
 $string['wrongoraclesemantics'] = 'Wrong Oracle BYTE semantics found';
-$string['yesmissingindexesfound'] = 'Some missing indexes have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all them (don\'t forget to backup your data before doing that).<br /><br />After doing that, it\'s highly recommended to execute this utility again to check that no more missing indexes are found.';
-$string['yeswrongdefaultsfound'] = 'Some inconsistent defaults have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to fix them all (don\'t forget to backup your data before doing that).<br /><br />After doing that, it\'s highly recommended to execute this utility again to check that no more inconsistent defaults are found.';
-$string['yeswrongintsfound'] = 'Some wrong integers have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all them (don\'t forget to backup your data before doing that).<br /><br />After doing that, it\'s highly recommended to execute this utility again to check that no more wrong integers are found.';
-$string['yeswrongoraclesemanticsfound'] = 'Some Oracle columns using BYTE semantics have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all them (don\'t forget to backup your data before doing that).<br /><br />After doing that, it\'s highly recommended to execute this utility again to check that no more wrong semantics are found.';
+$string['yesmissingindexesfound'] = '<p>Some missing indexes have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all of them. Remember to backup your data first!</p>
+<p>After doing that, it\'s highly recommended to execute this utility again to check that no more missing indexes are found.</p>';
+$string['yeswrongdefaultsfound'] = '<p>Some inconsistent defaults have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to fix them all. Remember to backup your data first!</p>
+<p>After doing that, it\'s highly recommended to execute this utility again to check that no more inconsistent defaults are found.</p>';
+$string['yeswrongintsfound'] = '<p>Some wrong integers have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all them. Remember to backup your data first!</p>
+<p>After doing that, it\'s highly recommended to execute this utility again to check that no more wrong integers are found.</p>';
+$string['yeswrongoraclesemanticsfound'] = '<p>Some Oracle columns using BYTE semantics have been found in your DB. Here are their details and the needed SQL statements to be executed with your favourite SQL interface to create all them. Remember to backup your data first!</p>
+<p>After doing that, it\'s highly recommended to execute this utility again to check that no more wrong semantics are found.</p>';
@@ -10,6 +10,11 @@ $return = optional_param('return', '', PARAM_ALPHA);

 /// no guest autologin
 require_login(0, false);
+if (isguestuser()) {
+    // Login as real user!
+    $SESSION->wantsurl = (string)new moodle_url('/admin/upgradesettings.php', array('return'=>$return));
+    redirect(get_login_url());
+}

 admin_externalpage_setup('upgradesettings'); // now hidden page
 $PAGE->set_pagelayout('maintenance'); // do not print any blocks or other rubbish, we want to force saving
@@ -378,7 +378,9 @@
        echo $OUTPUT->heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
    }
    if (!empty($table)) {
+        echo html_writer::start_tag('div', array('class'=>'no-overflow'));
        echo html_writer::table($table);
+        echo html_writer::end_tag('div');
        echo $OUTPUT->paging_bar($usercount, $page, $perpage, $baseurl);
        if (has_capability('moodle/user:create', $sitecontext)) {
            echo $OUTPUT->heading('<a href="'.$securewwwroot.'/user/editadvanced.php?id=-1">'.get_string('addnewuser').'</a>');
@@ -68,7 +68,7 @@ if ($usersettingsform->is_cancelled()) {
    //TODO: assign capability

    //display successful notification
-    $notification = $OUTPUT->notification(get_string('usersettingssaved', 'webservice'), 'success');
+    $notification = $OUTPUT->notification(get_string('usersettingssaved', 'webservice'), 'notifysuccess');
 }

 echo $OUTPUT->header();
@@ -1370,7 +1370,7 @@ class CASClient
 	
 	/**
 	 * This method is used to validate a ST; halt on failure, and sets $validate_url,
-	 * $text_reponse and $tree_response on success. These parameters are used later
+	 * $text_response and $tree_response on success. These parameters are used later
 	 * by CASClient::validatePGT() for CAS proxies.
 	 * Used for all CAS 1.0 validations
 	 * @param $validate_url the URL of the request to the CAS server.
@@ -1500,7 +1500,7 @@ class CASClient
 	
 	/**
 	 * This method is used to validate a SAML TICKET; halt on failure, and sets $validate_url,
-	 * $text_reponse and $tree_response on success. These parameters are used later
+	 * $text_response and $tree_response on success. These parameters are used later
 	 * by CASClient::validatePGT() for CAS proxies.
 	 *
 	 * @param $validate_url the URL of the request to the CAS server.
@@ -2160,7 +2160,7 @@ class CASClient
 		if ($this->_cas_server_cert != '' && $this->_cas_server_ca_cert != '') {
 			// This branch added by IDMS. Seems phpCAS implementor got a bit confused about the curl options CURLOPT_SSLCERT and CURLOPT_CAINFO
 			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
-			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
+			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
 			curl_setopt($ch, CURLOPT_SSLCERT, $this->_cas_server_cert);
 			curl_setopt($ch, CURLOPT_CAINFO, $this->_cas_server_ca_cert);
 			curl_setopt($ch, CURLOPT_VERBOSE, '1');
@@ -2172,7 +2172,7 @@ class CASClient
 			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
 			curl_setopt($ch, CURLOPT_CAINFO, $this->_cas_server_ca_cert);
 		} else {
-			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
+			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
 			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
 		}
 		
@@ -137,7 +137,7 @@ class auth_plugin_cas extends auth_plugin_ldap {
            // test pgtIou parameter for proxy mode (https connection
            // in background from CAS server to the php server)
            if ($authCAS != 'CAS' && !isset($_GET['pgtIou'])) {
-                $PAGE->set_url('/auth/cas/auth.php');
+                $PAGE->set_url('/login/index.php');
                $PAGE->navbar->add($CASform);
                $PAGE->set_title("$site->fullname: $CASform");
                $PAGE->set_heading($site->fullname);
@@ -413,6 +413,7 @@ class auth_plugin_cas extends auth_plugin_ldap {

        // Test for group creator
        if (!empty($this->config->groupecreators)) {
+            $ldapconnection = $this->ldap_connect();
            if ($this->config->memberattribute_isdn) {
                if(!($userid = $this->ldap_find_userdn($ldapconnection, $extusername))) {
                    return false;
@@ -321,7 +321,7 @@ if (!ldap_paged_results_supported($config->ldap_version)) {
        <label for="bind_pw"><?php print_string('auth_ldap_bind_pw_key', 'auth_ldap') ?></label>
    </td>
    <td>
-        <input name="bind_pw" id="bind_pw" type="password" size="30" value="<?php echo $config->bind_pw?>" />
+        <input name="bind_pw" id="bind_pw" type="password" size="30" value="<?php echo $config->bind_pw?>" autocomplete="off"/>
        <?php if (isset($err['bind_pw'])) { echo $OUTPUT->error_text($err['bind_pw']); } ?>
    </td>
    <td>
@@ -124,7 +124,7 @@
 <tr valign="top" class="required">
    <td align="right"><label for="pass"><?php print_string("auth_dbpass_key", "auth_db") ?></label></td>
    <td>
-        <input id="pass" name="pass" type="text" size="30" value="<?php echo $config->pass?>" />
+        <input id="pass" name="pass" type="password" size="30" value="<?php p($config->pass)?>" autocomplete="off"/>
        <?php

        if (isset($err["pass"])) {
@@ -35,13 +35,13 @@ $string['auth_dbfieldpass'] = 'Name of the field containing passwords';
 $string['auth_dbfieldpass_key'] = 'Password field';
 $string['auth_dbfielduser'] = 'Name of the field containing usernames';
 $string['auth_dbfielduser_key'] = 'Username field';
-$string['auth_dbhost'] = 'The computer hosting the database server.';
+$string['auth_dbhost'] = 'The computer hosting the database server. Use a system DSN entry if using ODBC.';
 $string['auth_dbhost_key'] = 'Host';
 $string['auth_dbchangepasswordurl_key'] = 'Password-change URL';
 $string['auth_dbinsertuser'] = 'Inserted user {$a->name} id {$a->id}';
 $string['auth_dbinsertuserduplicate'] = 'Error inserting user {$a->username} - user with this username was already created through \'{$a->auth}\' plugin.';
 $string['auth_dbinsertusererror'] = 'Error inserting user {$a}';
-$string['auth_dbname'] = 'Name of the database itself';
+$string['auth_dbname'] = 'Name of the database itself. Leave empty if using an ODBC DSN.';
 $string['auth_dbname_key'] = 'DB name';
 $string['auth_dbpass'] = 'Password matching the above username';
 $string['auth_dbpass_key'] = 'Password';
@@ -80,7 +80,11 @@ class auth_db_testcase extends advanced_testcase {
                set_config('sybasequoting', '0', 'auth/db');
                if (!empty($CFG->dboptions['dbsocket']) and ($CFG->dbhost === 'localhost' or $CFG->dbhost === '127.0.0.1')) {
                    if (strpos($CFG->dboptions['dbsocket'], '/') !== false) {
-                        set_config('host', $CFG->dboptions['dbsocket'], 'auth/db');
+                        $socket = $CFG->dboptions['dbsocket'];
+                        if (!empty($CFG->dboptions['dbport'])) {
+                            $socket .= ':' . $CFG->dboptions['dbport'];
+                        }
+                        set_config('host', $socket, 'auth/db');
                    } else {
                        set_config('host', '', 'auth/db');
                    }
@@ -61,7 +61,7 @@
 <tr valign="top" class="required">
    <td align="right"><label for="passwd"><?php print_string("auth_fcpasswd_key", "auth_fc") ?>:</label></td>
    <td>
-        <input name="passwd" id="passwd" type="password" size="30" maxlength="12" value="<?php echo $config->passwd?>" />
+        <input name="passwd" id="passwd" type="password" size="30" maxlength="12" value="<?php echo $config->passwd?>" autocomplete="off"/>
    <?php  if (isset($err["passwd"])) echo $OUTPUT->error_text($err["passwd"]); ?>
    </td>
    <td>
@@ -1143,6 +1143,7 @@ class auth_plugin_ldap extends auth_plugin_base {
            return false;
        }

+        $success = true;
        $user_info_result = ldap_read($ldapconnection, $user_dn, '(objectClass=*)', $search_attribs);
        if ($user_info_result) {
            $user_entry = ldap_get_entries_moodle($ldapconnection, $user_info_result);
@@ -1189,8 +1190,10 @@ class auth_plugin_ldap extends auth_plugin_base {
                            if ($nuvalue !== $ldapvalue) {
                                // This might fail due to schema validation
                                if (@ldap_modify($ldapconnection, $user_dn, array($ldapkey => $nuvalue))) {
+                                    $changed = true;
                                    continue;
                                } else {
+                                    $success = false;
                                    error_log($this->errorlogtag.get_string ('updateremfail', 'auth_ldap',
                                                                             array('errno'=>ldap_errno($ldapconnection),
                                                                                   'errstring'=>ldap_err2str(ldap_errno($ldapconnection)),
@@ -1209,6 +1212,7 @@ class auth_plugin_ldap extends auth_plugin_base {
                                    $changed = true;
                                    continue;
                                } else {
+                                    $success = false;
                                    error_log($this->errorlogtag.get_string ('updateremfail', 'auth_ldap',
                                                                             array('errno'=>ldap_errno($ldapconnection),
                                                                                   'errstring'=>ldap_err2str(ldap_errno($ldapconnection)),
@@ -1226,6 +1230,7 @@ class auth_plugin_ldap extends auth_plugin_base {
                                    $changed = true;
                                    continue;
                                } else {
+                                    $success = false;
                                    error_log($this->errorlogtag.get_string ('updateremfail', 'auth_ldap',
                                                                             array('errno'=>ldap_errno($ldapconnection),
                                                                                   'errstring'=>ldap_err2str(ldap_errno($ldapconnection)),
@@ -1239,6 +1244,7 @@ class auth_plugin_ldap extends auth_plugin_base {
                    }

                    if ($ambiguous and !$changed) {
+                        $success = false;
                        error_log($this->errorlogtag.get_string ('updateremfailamb', 'auth_ldap',
                                                                 array('key'=>$key,
                                                                       'ouvalue'=>$ouvalue,
@@ -1248,12 +1254,11 @@ class auth_plugin_ldap extends auth_plugin_base {
            }
        } else {
            error_log($this->errorlogtag.get_string ('usernotfound', 'auth_ldap'));
-            $this->ldap_close();
-            return false;
+            $success = false;
        }

        $this->ldap_close();
-        return true;
+        return $success;

    }

@@ -1474,6 +1479,7 @@ class auth_plugin_ldap extends auth_plugin_base {
            array_push($contexts, $this->config->create_context);
        }

+        $ldap_cookie = '';
        $ldap_pagedresults = ldap_paged_results_supported($this->config->ldap_version);
        foreach ($contexts as $context) {
            $context = trim($context);
@@ -223,7 +223,7 @@ if (!ldap_paged_results_supported($config->ldap_version)) {
        <label for="bind_pw"><?php print_string('auth_ldap_bind_pw_key', 'auth_ldap') ?></label>
    </td>
    <td>
-        <input name="bind_pw" id="bind_pw" type="password" size="30" value="<?php echo $config->bind_pw?>" />
+        <input name="bind_pw" id="bind_pw" type="password" size="30" value="<?php echo $config->bind_pw?>" autocomplete="off"/>
        <?php if (isset($err['bind_pw'])) { echo $OUTPUT->error_text($err['bind_pw']); } ?>
    </td>
    <td>
@@ -950,7 +950,6 @@ class auth_plugin_mnet extends auth_plugin_base {
        // run the keepalive client
        $this->keepalive_client();

-        // admin/cron.php should have run srand for us
        $random100 = rand(0,100);
        if ($random100 < 10) {     // Approximately 10% of the time.
            // nuke olden sessions
@@ -4,7 +4,9 @@

    require('../../config.php');

+    $context = context_system::instance();
    $PAGE->set_url('/auth/shibboleth/index.php');
+    $PAGE->set_context($context);

    // Support for WAYFless URLs.
    $target = optional_param('target', '', PARAM_LOCALURL);
@@ -47,21 +49,7 @@
        if ($shibbolethauth->user_login($frm->username, $frm->password)
                && $user = authenticate_user_login($frm->username, $frm->password)) {

-            enrol_check_plugins($user);
-            session_set_user($user);
-
-            $USER->loggedin = true;
-            $USER->site     = $CFG->wwwroot; // for added security, store the site in the
-
-            update_user_login_times();
-
-            // Don't show previous shibboleth username on login page
-
-            set_login_session_preferences();
-
-            unset($SESSION->lang);
-            $SESSION->justloggedin = true;
-
+            complete_user_login($user);
            add_to_log(SITEID, 'user', 'login', "view.php?id=$USER->id&course=".SITEID, $USER->id, 0, $USER->id);

            if (user_not_fully_set_up($USER)) {
@@ -18,7 +18,7 @@
 /**
 * Basic authentication steps definitions.
 *
- * @package    core
+ * @package    core_auth
 * @category   test
 * @copyright  2012 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -34,7 +34,7 @@ use Behat\Behat\Context\Step\When as When;
 /**
 * Log in log out steps definitions.
 *
- * @package    core
+ * @package    core_auth
 * @category   test
 * @copyright  2012 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -48,12 +48,45 @@ class behat_auth extends behat_base {
     */
    public function i_log_in_as($username) {

-        return array(new Given('I am on homepage'),
-            new Given('I follow "' . get_string('login') . '"'),
+        // Running this step using the API rather than a chained step because
+        // we need to see if the 'Log in' link is available or we need to click
+        // the dropdown to expand the navigation bar before.
+        $this->getSession()->visit($this->locate_path('/'));
+
+        // Generic steps (we will prefix them later expanding the navigation dropdown if necessary).
+        $steps = array(
+            new Given('I click on "' . get_string('login') . '" "link" in the ".logininfo" "css_element"'),
            new Given('I fill in "' . get_string('username') . '" with "' . $this->escape($username) . '"'),
            new Given('I fill in "' . get_string('password') . '" with "'. $this->escape($username) . '"'),
            new Given('I press "' . get_string('login') . '"')
        );
+
+        // If Javascript is disabled we have enough with these steps.
+        if (!$this->running_javascript()) {
+            return $steps;
+        }
+
+        // Wait for the homepage to be ready.
+        $this->getSession()->wait(self::TIMEOUT * 1000, '(document.readyState === "complete")');
+
+        // Checking if we need to click the navbar button to show the navigation menu, it
+        // is hidden by default when using clean theme and a medium or small size screen size.
+
+        // The DOM and the JS should be all ready and loaded. Running without spinning
+        // as this is a widely used step and we can not spend time here trying to see
+        // a DOM node that is not always there (at the moment clean is not even the
+        // default theme...).
+        $navbuttonjs = "return (
+            Y.one('.btn-navbar') &&
+            Y.one('.btn-navbar').getComputedStyle('display') !== 'none'
+        )";
+
+        // Adding an extra click we need to show the 'Log in' link.
+        if ($this->getSession()->getDriver()->evaluateScript($navbuttonjs)) {
+            array_unshift($steps, new Given('I click on ".btn-navbar" "css_element"'));
+        }
+
+        return $steps;
    }

    /**
@@ -4,8 +4,14 @@ Feature: Authentication
  As a user
  I need to log into the system

-  Scenario: Login with the predefined admin user
+  Scenario: Login with the predefined admin user with Javascript disabled
    Given I log in as "admin"
+    Then I should see "You are logged in as Admin User"
+
+  @javascript
+  Scenario: Login with the predefined admin user with Javascript enabled
+    Given I log in as "admin"
+    Then I should see "You are logged in as Admin User"

  Scenario: Login as an existing admin user filling the form
    Given the following "users" exists:
@@ -1,12 +1,6 @@
 This files describes API changes in /auth/* - plugins,
 information provided here is intended especially for developers.

-=== 2.5.2 ===
-
-* can_be_manually_set() - This function was introduced in the base class and returns false by default. If overriden by
-  an authentication plugin to return true, the authentication plugin will be able to be manually set for users. For example,
-  when bulk uploading users you will be able to select it as the authentication method they use.
-
 === 2.4 ===

 required changes in code:
@@ -309,7 +309,6 @@ class entities {
            $source = str_split($source, 1);

            for ($i = 1; $i <= $length; $i++) {
-                mt_srand((double) microtime() * 1000000);
                $num = mt_rand(1, count($source));
                $response .= $source[$num - 1];
            }
@@ -59,6 +59,9 @@ class restore_controller extends backup implements loggable {

    protected $checksum; // Cache @checksumable results for lighter @is_checksum_correct() uses

+    /** @var int Number of restore_controllers that are currently executing */
+    protected static $executing = 0;
+
    /**
     *
     * @param string $tempdir Directory under tempdir/backup awaiting restore
@@ -312,7 +315,27 @@ class restore_controller extends backup implements loggable {
            $this->log('notifying plan about excluded activities by type', backup::LOG_DEBUG);
            $this->plan->set_excluding_activities();
        }
-        return $this->plan->execute();
+        self::$executing++;
+        try {
+            $this->plan->execute();
+        } catch (Exception $e) {
+            self::$executing--;
+            throw $e;
+        }
+        self::$executing--;
+    }
+
+    /**
+     * Checks whether restore is currently executing. Certain parts of code that
+     * is called during restore, but not directly part of the restore system, may
+     * need to behave differently during restore (e.g. do not bother resetting a
+     * cache because we know it will be reset at end of operation).
+     * @since Moodle 2.5.6
+     *
+     * @return bool True if any restore is currently executing
+     */
+    public static function is_executing() {
+        return self::$executing > 0;
    }

    /**
@@ -335,6 +358,9 @@ class restore_controller extends backup implements loggable {
        if ($this->status != backup::STATUS_NEED_PRECHECK) {
            throw new restore_controller_exception('cannot_precheck_wrong_status', $this->status);
        }
+        // Basic/initial prevention against time/memory limits
+        set_time_limit(1 * 60 * 60); // 1 hour for 1 course initially granted
+        raise_memory_limit(MEMORY_EXTRA);
        $this->precheck = restore_prechecks_helper::execute_prechecks($this, $droptemptablesafter);
        if (!array_key_exists('errors', $this->precheck)) { // No errors, can be executed
            $this->set_status(backup::STATUS_AWAITING);
@@ -139,7 +139,7 @@ class imscc11_backup_convert extends backup_execution_step {

        require_once($CFG->dirroot . '/backup/cc/cc_includes.php');

-        $tempdir = $CFG->dataroot . '/temp/backup/' . uniqid('', true);
+        $tempdir = $CFG->tempdir . '/backup/' . uniqid('', true);

        if (mkdir($tempdir, 0777, true)) {

@@ -144,7 +144,7 @@ if ($backup->get_stage() == backup_ui::STAGE_FINAL) {
    echo $OUTPUT->header();
    if ($warnings) {
        echo $OUTPUT->box_start();
-        echo $OUTPUT->notification(get_string('warning'), 'notifywarning');
+        echo $OUTPUT->notification(get_string('warning'), 'notifyproblem');
        echo html_writer::start_tag('ul', array('class'=>'list'));
        foreach ($warnings as $warning) {
            echo html_writer::tag('li', $warning);
@@ -129,20 +129,38 @@ class backup_course_task extends backup_task {
    /**
     * Code the transformations to perform in the course in
     * order to get transportable (encoded) links
+     * @param string $content content in which to encode links.
+     * @return string content with links encoded.
     */
    static public function encode_content_links($content) {
-        global $CFG;
-
-        $base = preg_quote($CFG->wwwroot, '/');

        // Link to the course main page (it also covers "&topic=xx" and "&week=xx"
-        // because they don't become transformed (section number) in backup/restore
-        $search = '/(' . $base . '\/course\/view.php\?id\=)([0-9]+)/';
-        $content= preg_replace($search, '$@COURSEVIEWBYID*$2@$', $content);
+        // because they don't become transformed (section number) in backup/restore.
+        $content = self::encode_links_helper($content, 'COURSEVIEWBYID',       '/course/view.php?id=');
+
+        // A few other key course links.
+        $content = self::encode_links_helper($content, 'GRADEINDEXBYID',       '/grade/index.php?id=');
+        $content = self::encode_links_helper($content, 'GRADEREPORTINDEXBYID', '/grade/report/index.php?id=');
+        $content = self::encode_links_helper($content, 'BADGESVIEWBYID',       '/badges/view.php?type=2&id=');
+        $content = self::encode_links_helper($content, 'USERINDEXVIEWBYID',    '/user/index.php?id=');

        return $content;
    }

+    /**
+     * Helper method, used by encode_content_links.
+     * @param string $content content in which to encode links.
+     * @param unknown_type $name the name of this type of encoded link.
+     * @param unknown_type $path the path that identifies this type of link, up
+     *      to the ?paramname= bit.
+     * @return string content with one type of link encoded.
+     */
+    static private function encode_links_helper($content, $name, $path) {
+        global $CFG;
+        $base = preg_quote($CFG->wwwroot . $path, '/');
+        return preg_replace('/(' . $base . ')([0-9]+)/', '$@' . $name . '*$2@$', $content);
+    }
+
 // Protected API starts here

    /**
@@ -37,6 +37,7 @@ class create_and_clean_temp_stuff extends backup_execution_step {
        backup_helper::check_and_create_backup_dir($this->get_backupid());// Create backup temp dir
        backup_helper::clear_backup_dir($this->get_backupid());           // Empty temp dir, just in case
        backup_helper::delete_old_backup_dirs(time() - (4 * 60 * 60));    // Delete > 4 hours temp dirs
+        backup_controller_dbops::drop_backup_ids_temp_table($this->get_backupid()); // Drop ids temp table
        backup_controller_dbops::create_backup_ids_temp_table($this->get_backupid()); // Create ids temp table
    }
 }
@@ -209,7 +210,7 @@ abstract class backup_questions_activity_structure_step extends backup_activity_

        $qas = new backup_nested_element($nameprefix . 'question_attempts');
        $qa = new backup_nested_element($nameprefix . 'question_attempt', array('id'), array(
-                'slot', 'behaviour', 'questionid', 'maxmark', 'minfraction',
+                'slot', 'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction',
                'flagged', 'questionsummary', 'rightanswer', 'responsesummary',
                'timemodified'));

@@ -1693,7 +1694,20 @@ class backup_zip_contents extends backup_execution_step {
        $zippacker = get_file_packer('application/zip');

        // Zip files
-        $zippacker->archive_to_pathname($files, $zipfile);
+        $result = $zippacker->archive_to_pathname($files, $zipfile, true, $this);
+
+        // Something went wrong.
+        if ($result === false) {
+            @unlink($zipfile);
+            throw new backup_step_exception('error_zip_packing', '', 'An error was encountered while trying to generate backup zip');
+        }
+        // Read to make sure it is a valid backup. Refer MDL-37877 . Delete it, if found not to be valid.
+        try {
+            backup_general_helper::get_backup_information_from_mbz($zipfile);
+        } catch (backup_helper_exception $e) {
+            @unlink($zipfile);
+            throw new backup_step_exception('error_zip_packing', '', $e->debuginfo);
+        }
    }
 }

@@ -35,7 +35,7 @@ global $LINKS_ENCODERS_CACHE;
 $LINKS_ENCODERS_CACHE = array();

 /**
- * Class implementing the @xml_contenttrasnformed logic to be applied in moodle2 backups
+ * Class implementing the @xml_contenttransformed logic to be applied in moodle2 backups
 *
 * TODO: Finish phpdocs
 */
@@ -61,13 +61,13 @@ class backup_xml_transformer extends xml_contenttransformer {

        // Array or object, debug and try our best recursively, shouldn't happen but...
        if (is_array($content)) {
-            debugging('Backup XML transformer should process arrays but plain content always', DEBUG_DEVELOPER);
+            debugging('Backup XML transformer should not process arrays but plain content only', DEBUG_DEVELOPER);
            foreach($content as $key => $plaincontent) {
                $content[$key] = $this->process($plaincontent);
            }
            return $content;
        } else if (is_object($content)) {
-            debugging('Backup XML transformer should not process objects but plain content always', DEBUG_DEVELOPER);
+            debugging('Backup XML transformer should not process objects but plain content only', DEBUG_DEVELOPER);
            foreach((array)$content as $key => $plaincontent) {
                $content[$key] = $this->process($plaincontent);
            }
@@ -124,6 +124,7 @@ class restore_course_task extends restore_task {
        $contents = array();

        $contents[] = new restore_decode_content('course', 'summary');
+        $contents[] = new restore_decode_content('event', 'description');

        return $contents;
    }
@@ -135,10 +136,17 @@ class restore_course_task extends restore_task {
    static public function define_decode_rules() {
        $rules = array();

-        $rules[] = new restore_decode_rule('COURSEVIEWBYID', '/course/view.php?id=$1', 'course');
+        // Link to the course main page (it also covers "&topic=xx" and "&week=xx"
+        // because they don't become transformed (section number) in backup/restore.
+        $rules[] = new restore_decode_rule('COURSEVIEWBYID',       '/course/view.php?id=$1',        'course');
+
+        // A few other key course links.
+        $rules[] = new restore_decode_rule('GRADEINDEXBYID',       '/grade/index.php?id=$1',        'course');
+        $rules[] = new restore_decode_rule('GRADEREPORTINDEXBYID', '/grade/report/index.php?id=$1', 'course');
+        $rules[] = new restore_decode_rule('BADGESVIEWBYID',       '/badges/view.php?type=2&id=$1', 'course');
+        $rules[] = new restore_decode_rule('USERINDEXVIEWBYID',    '/user/index.php?id=$1',         'course');

        return $rules;
-
    }

 // Protected API starts here
@@ -162,7 +162,12 @@ class restore_final_task extends restore_task {
        // rules from other tasks (activities) not belonging to one module instance (cmid = 0), so are restored here
        $rules = array_merge($rules, restore_logs_processor::register_log_rules_for_course());

-        // TODO: Other logs like 'calendar', 'upload'... will go here
+        // Calendar rules.
+        $rules[] = new restore_log_rule('calendar', 'add', 'event.php?action=edit&id={event}', '[name]');
+        $rules[] = new restore_log_rule('calendar', 'edit', 'event.php?action=edit&id={event}', '[name]');
+        $rules[] = new restore_log_rule('calendar', 'edit all', 'event.php?action=edit&id={event}', '[name]');
+
+        // TODO: Other logs like 'upload'... will go here

        return $rules;
    }
@@ -161,6 +161,9 @@ class restore_section_task extends restore_task {
        $section_included = new restore_section_included_setting($settingname, base_setting::IS_BOOLEAN, true);
        if (is_number($this->info->title)) {
            $label = get_string('includesection', 'backup', $this->info->title);
+        } elseif (empty($this->info->title)) { // Don't throw error if title is empty, gracefully continue restore.
+            $this->log('Section title missing in backup for section id '.$this->info->sectionid, backup::LOG_WARNING, $this->name);
+            $label = get_string('unnamedsection', 'backup');
        } else {
            $label = $this->info->title;
        }
@@ -234,7 +234,13 @@ class restore_gradebook_structure_step extends restore_structure_step {
            $data->timecreated  = $this->apply_date_offset($data->timecreated);
            $data->timemodified = $this->apply_date_offset($data->timemodified);

-            $newitemid = $DB->insert_record('grade_grades', $data);
+            $gradeexists = $DB->record_exists('grade_grades', array('userid' => $data->userid, 'itemid' => $data->itemid));
+            if ($gradeexists) {
+                $message = "User id '{$data->userid}' already has a grade entry for grade item id '{$data->itemid}'";
+                $this->log($message, backup::LOG_DEBUG);
+            } else {
+                $newitemid = $DB->insert_record('grade_grades', $data);
+            }
        } else {
            debugging("Mapped user id not found for user id '{$olduserid}', grade item id '{$data->itemid}'");
        }
@@ -2197,13 +2203,20 @@ class restore_calendarevents_structure_step extends restore_structure_step {
        } else {
            $params['instance'] = 0;
        }
-        $sql = 'SELECT id FROM {event} WHERE name = ? AND courseid = ? AND
-                repeatid = ? AND modulename = ? AND timestart = ? AND timeduration =?
-                AND ' . $DB->sql_compare_text('description', 255) . ' = ' . $DB->sql_compare_text('?', 255);
+        $sql = "SELECT id
+                  FROM {event}
+                 WHERE " . $DB->sql_compare_text('name', 255) . " = " . $DB->sql_compare_text('?', 255) . "
+                   AND courseid = ?
+                   AND repeatid = ?
+                   AND modulename = ?
+                   AND timestart = ?
+                   AND timeduration = ?
+                   AND " . $DB->sql_compare_text('description', 255) . " = " . $DB->sql_compare_text('?', 255);
        $arg = array ($params['name'], $params['courseid'], $params['repeatid'], $params['modulename'], $params['timestart'], $params['timeduration'], $params['description']);
        $result = $DB->record_exists_sql($sql, $arg);
        if (empty($result)) {
            $newitemid = $DB->insert_record('event', $params);
+            $this->set_mapping('event', $oldid, $newitemid);
            $this->set_mapping('event_description', $oldid, $newitemid, $restorefiles);
        }

@@ -2813,6 +2826,12 @@ class restore_activity_grades_structure_step extends restore_structure_step {
        }
        // no need to save any grade_letter mapping
    }
+
+    public function after_restore() {
+        // Fix grade item's sortorder after restore, as it might have duplicates.
+        $courseid = $this->get_task()->get_courseid();
+        grade_item::fix_duplicate_sortorder($courseid);
+    }
 }


@@ -4034,6 +4053,9 @@ abstract class restore_questions_activity_structure_step extends restore_activit

        $data->questionusageid = $this->get_new_parentid($nameprefix . 'question_usage');
        $data->questionid      = $question->newitemid;
+        if (!property_exists($data, 'variant')) {
+            $data->variant = 1;
+        }
        $data->timemodified    = $this->apply_date_offset($data->timemodified);

        $newitemid = $DB->insert_record('question_attempts', $data);
@@ -12,7 +12,7 @@ list($context, $course, $cm) = get_context_info_array($contextid);
 navigation_node::override_active_url(new moodle_url('/backup/restorefile.php', array('contextid'=>$contextid)));
 $PAGE->set_url(new moodle_url('/backup/restore.php', array('contextid'=>$contextid)));
 $PAGE->set_context($context);
-$PAGE->set_pagelayout('standard');
+$PAGE->set_pagelayout('admin');

 require_login($course, null, $cm);
 require_capability('moodle/restore:restorecourse', $context);
@@ -164,8 +164,10 @@ abstract class backup_controller_dbops extends backup_dbops {
        $dbman = $DB->get_manager(); // We are going to use database_manager services

        $targettablename = 'backup_ids_temp';
-        $table = new xmldb_table($targettablename);
-        $dbman->drop_table($table); // And drop it
+        if ($dbman->table_exists($targettablename)) {
+            $table = new xmldb_table($targettablename);
+            $dbman->drop_table($table); // And drop it
+        }
    }

    /**
@@ -908,6 +908,15 @@ abstract class restore_dbops {
            }

            if (empty($file->repositoryid)) {
+                // If contenthash is empty then gracefully skip adding file.
+                if (empty($file->contenthash)) {
+                    $result = new stdClass();
+                    $result->code = 'file_missing_in_backup';
+                    $result->message = sprintf('missing file (%s) contenthash in backup for component %s', $file->filename, $component);
+                    $result->level = backup::LOG_WARNING;
+                    $results[] = $result;
+                    continue;
+                }
                // this is a regular file, it must be present in the backup pool
                $backuppath = $basepath . backup_file_manager::get_backup_content_file_location($file->contenthash);

@@ -32,11 +32,11 @@ defined('MOODLE_INTERNAL') || die();
 */
 abstract class backup_cron_automated_helper {

-    /** automated backups are active and ready to run */
+    /** Automated backups are active and ready to run */
    const STATE_OK = 0;
-    /** automated backups are disabled and will not be run */
+    /** Automated backups are disabled and will not be run */
    const STATE_DISABLED = 1;
-    /** automated backups are all ready running! */
+    /** Automated backups are all ready running! */
    const STATE_RUNNING = 2;

    /** Course automated backup completed successfully */
@@ -49,6 +49,8 @@ abstract class backup_cron_automated_helper {
    const BACKUP_STATUS_SKIPPED = 3;
    /** Course automated backup had warnings */
    const BACKUP_STATUS_WARNING = 4;
+    /** Course automated backup has yet to be run */
+    const BACKUP_STATUS_NOTYETRUN = 5;

    /** Run if required by the schedule set in config. Default. **/
    const RUN_ON_SCHEDULE = 0;
@@ -120,12 +122,13 @@ abstract class backup_cron_automated_helper {

            $rs = $DB->get_recordset('course');
            foreach ($rs as $course) {
-                $backupcourse = $DB->get_record('backup_courses', array('courseid'=>$course->id));
+                $backupcourse = $DB->get_record('backup_courses', array('courseid' => $course->id));
                if (!$backupcourse) {
                    $backupcourse = new stdClass;
                    $backupcourse->courseid = $course->id;
-                    $DB->insert_record('backup_courses',$backupcourse);
-                    $backupcourse = $DB->get_record('backup_courses', array('courseid'=>$course->id));
+                    $backupcourse->laststatus = self::BACKUP_STATUS_NOTYETRUN;
+                    $DB->insert_record('backup_courses', $backupcourse);
+                    $backupcourse = $DB->get_record('backup_courses', array('courseid' => $course->id));
                }

                // The last backup is considered as successful when OK or SKIPPED.
@@ -133,19 +136,23 @@ abstract class backup_cron_automated_helper {
                                            $backupcourse->laststatus == self::BACKUP_STATUS_OK) && (
                                            $backupcourse->laststarttime > 0 && $backupcourse->lastendtime > 0);

-                // Skip courses that do not yet need backup.
-                $skipped = !(($backupcourse->nextstarttime > 0 && $backupcourse->nextstarttime < $now) || $rundirective == self::RUN_IMMEDIATELY);
-                $skippedmessage = 'Does not require backup';
+                // Assume that we are not skipping anything.
+                $skipped = false;
+                $skippedmessage = '';
+
+                // Check if we are going to be running the backup now.
+                $shouldrunnow = (($backupcourse->nextstarttime > 0 && $backupcourse->nextstarttime < $now)
+                    || $rundirective == self::RUN_IMMEDIATELY);

                // If config backup_auto_skip_hidden is set to true, skip courses that are not visible.
-                if (!$skipped && $config->backup_auto_skip_hidden) {
+                if ($shouldrunnow && $config->backup_auto_skip_hidden) {
                    $skipped = ($config->backup_auto_skip_hidden && !$course->visible);
                    $skippedmessage = 'Not visible';
                }

                // If config backup_auto_skip_modif_days is set to true, skip courses
                // that have not been modified since the number of days defined.
-                if (!$skipped && $lastbackupwassuccessful && $config->backup_auto_skip_modif_days) {
+                if ($shouldrunnow && !$skipped && $lastbackupwassuccessful && $config->backup_auto_skip_modif_days) {
                    $sqlwhere = "course=:courseid AND time>:time AND ".$DB->sql_like('action', ':action', false, true, true);
                    $timenotmodifsincedays = $now - ($config->backup_auto_skip_modif_days * DAYSECS);
                    // Check log if there were any modifications to the course content.
@@ -160,8 +167,9 @@ abstract class backup_cron_automated_helper {

                // If config backup_auto_skip_modif_prev is set to true, skip courses
                // that have not been modified since previous backup.
-                if (!$skipped && $lastbackupwassuccessful && $config->backup_auto_skip_modif_prev) {
+                if ($shouldrunnow && !$skipped && $lastbackupwassuccessful && $config->backup_auto_skip_modif_prev) {
                    // Check log if there were any modifications to the course content.
+                    $sqlwhere = "course=:courseid AND time>:time AND ".$DB->sql_like('action', ':action', false, true, true);
                    $params = array('courseid' => $course->id,
                                    'time' => $backupcourse->laststarttime,
                                    'action' => '%view%');
@@ -171,16 +179,17 @@ abstract class backup_cron_automated_helper {
                    $skippedmessage = 'Not modified since previous backup';
                }

-                // Skip courses not needed for backup.
-                if ($skipped) {
-                    // Output the next execution time when it has been updated.
-                    if ($backupcourse->nextstarttime != $nextstarttime) {
-                        mtrace('Backup of \'' . $course->fullname . '\' is scheduled on ' . $showtime);
-                    }
+                // Check if the course is not scheduled to run right now.
+                if (!$shouldrunnow) {
+                    $backupcourse->nextstarttime = $nextstarttime;
+                    $DB->update_record('backup_courses', $backupcourse);
+                    mtrace('Skipping ' . $course->fullname . ' (Not scheduled for backup until ' . $showtime . ')');
+                } else if ($skipped) { // Must have been skipped for a reason.
                    $backupcourse->laststatus = self::BACKUP_STATUS_SKIPPED;
                    $backupcourse->nextstarttime = $nextstarttime;
                    $DB->update_record('backup_courses', $backupcourse);
-                    mtrace('Skipping '.$course->fullname.' ('.$skippedmessage.')');
+                    mtrace('Skipping ' . $course->fullname . ' (' . $skippedmessage . ')');
+                    mtrace('Backup of \'' . $course->fullname . '\' is scheduled on ' . $showtime);
                } else {
                    // Backup every non-skipped courses.
                    mtrace('Backing up '.$course->fullname.'...');
@@ -224,16 +233,17 @@ abstract class backup_cron_automated_helper {
            $count = backup_cron_automated_helper::get_backup_status_array();
            $haserrors = ($count[self::BACKUP_STATUS_ERROR] != 0 || $count[self::BACKUP_STATUS_UNFINISHED] != 0);

-            //Build the message text
-            //Summary
-            $message .= get_string('summary')."\n";
+            // Build the message text.
+            // Summary.
+            $message .= get_string('summary') . "\n";
            $message .= "==================================================\n";
-            $message .= "  ".get_string('courses').": ".array_sum($count)."\n";
-            $message .= "  ".get_string('ok').": ".$count[self::BACKUP_STATUS_OK]."\n";
-            $message .= "  ".get_string('skipped').": ".$count[self::BACKUP_STATUS_SKIPPED]."\n";
-            $message .= "  ".get_string('error').": ".$count[self::BACKUP_STATUS_ERROR]."\n";
-            $message .= "  ".get_string('unfinished').": ".$count[self::BACKUP_STATUS_UNFINISHED]."\n";
-            $message .= "  ".get_string('warning').": ".$count[self::BACKUP_STATUS_WARNING]."\n\n";
+            $message .= '  ' . get_string('courses') . '; ' . array_sum($count) . "\n";
+            $message .= '  ' . get_string('ok') . '; ' . $count[self::BACKUP_STATUS_OK] . "\n";
+            $message .= '  ' . get_string('skipped') . '; ' . $count[self::BACKUP_STATUS_SKIPPED] . "\n";
+            $message .= '  ' . get_string('error') . '; ' . $count[self::BACKUP_STATUS_ERROR] . "\n";
+            $message .= '  ' . get_string('unfinished') . '; ' . $count[self::BACKUP_STATUS_UNFINISHED] . "\n";
+            $message .= '  ' . get_string('warning') . '; ' . $count[self::BACKUP_STATUS_WARNING] . "\n";
+            $message .= '  ' . get_string('backupnotyetrun') . '; ' . $count[self::BACKUP_STATUS_NOTYETRUN]."\n\n";

            //Reference
            if ($haserrors) {
@@ -296,7 +306,8 @@ abstract class backup_cron_automated_helper {
            self::BACKUP_STATUS_OK => 0,
            self::BACKUP_STATUS_UNFINISHED => 0,
            self::BACKUP_STATUS_SKIPPED => 0,
-            self::BACKUP_STATUS_WARNING => 0
+            self::BACKUP_STATUS_WARNING => 0,
+            self::BACKUP_STATUS_NOTYETRUN => 0
        );

        $statuses = $DB->get_records_sql('SELECT DISTINCT bc.laststatus, COUNT(bc.courseid) AS statuscount FROM {backup_courses} bc GROUP BY bc.laststatus');
@@ -372,7 +383,11 @@ abstract class backup_cron_automated_helper {

        $outcome = self::BACKUP_STATUS_OK;
        $config = get_config('backup');
-        $bc = new backup_controller(backup::TYPE_1COURSE, $course->id, backup::FORMAT_MOODLE, backup::INTERACTIVE_NO, backup::MODE_AUTOMATED, $userid);
+        $dir = $config->backup_auto_destination;
+        $storage = (int)$config->backup_auto_storage;
+
+        $bc = new backup_controller(backup::TYPE_1COURSE, $course->id, backup::FORMAT_MOODLE, backup::INTERACTIVE_NO,
+                backup::MODE_AUTOMATED, $userid);

        try {

@@ -394,27 +409,28 @@ abstract class backup_cron_automated_helper {
                }
            }

-            // Set the default filename
+            // Set the default filename.
            $format = $bc->get_format();
            $type = $bc->get_type();
            $id = $bc->get_id();
            $users = $bc->get_plan()->get_setting('users')->get_value();
            $anonymised = $bc->get_plan()->get_setting('anonymize')->get_value();
-            $bc->get_plan()->get_setting('filename')->set_value(backup_plan_dbops::get_default_backup_filename($format, $type, $id, $users, $anonymised));
+            $bc->get_plan()->get_setting('filename')->set_value(backup_plan_dbops::get_default_backup_filename($format, $type,
+                    $id, $users, $anonymised));

            $bc->set_status(backup::STATUS_AWAITING);

            $bc->execute_plan();
            $results = $bc->get_results();
            $outcome = self::outcome_from_results($results);
-            $file = $results['backup_destination']; // may be empty if file already moved to target location
-            $dir = $config->backup_auto_destination;
-            $storage = (int)$config->backup_auto_storage;
+            $file = $results['backup_destination']; // May be empty if file already moved to target location.
            if (!file_exists($dir) || !is_dir($dir) || !is_writable($dir)) {
                $dir = null;
            }
-            if ($file && !empty($dir) && $storage !== 0) {
-                $filename = backup_plan_dbops::get_default_backup_filename($format, $type, $course->id, $users, $anonymised, !$config->backup_shortname);
+            // Copy file only if there was no error.
+            if ($file && !empty($dir) && $storage !== 0 && $outcome != self::BACKUP_STATUS_ERROR) {
+                $filename = backup_plan_dbops::get_default_backup_filename($format, $type, $course->id, $users, $anonymised,
+                        !$config->backup_shortname);
                if (!$file->copy_content_to($dir.'/'.$filename)) {
                    $outcome = self::BACKUP_STATUS_ERROR;
                }
@@ -430,6 +446,20 @@ abstract class backup_cron_automated_helper {
            $outcome = self::BACKUP_STATUS_ERROR;
        }

+        // Delete the backup file immediately if something went wrong.
+        if ($outcome === self::BACKUP_STATUS_ERROR) {
+
+            // Delete the file from file area if exists.
+            if (!empty($file)) {
+                $file->delete();
+            }
+
+            // Delete file from external storage if exists.
+            if ($storage !== 0 && !empty($filename) && file_exists($dir.'/'.$filename)) {
+                @unlink($dir.'/'.$filename);
+            }
+        }
+
        $bc->destroy();
        unset($bc);

@@ -526,7 +556,7 @@ abstract class backup_cron_automated_helper {
    public static function set_state_running($running = true) {
        if ($running === true) {
            if (self::get_automated_backup_state() === self::STATE_RUNNING) {
-                throw new backup_exception('backup_automated_already_running');
+                throw new backup_helper_exception('backup_automated_already_running');
            }
            set_config('backup_auto_running', '1', 'backup');
        } else {
@@ -0,0 +1,56 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    core_backup
+ * @category   phpunit
+ * @copyright  2013 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+
+global $CFG;
+require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
+require_once($CFG->dirroot . '/backup/moodle2/backup_course_task.class.php');
+
+
+
+/**
+ * Tests for encoding content links in backup_course_task.
+ *
+ * The code that this tests is acutally in backup/moodle2/backup_course_task.class.php,
+ * but there is no place for unit tests near there, and perhaps one day it will
+ * be refactored so it becomes more generic.
+ */
+class backup_course_task_testcase extends basic_testcase {
+
+    /**
+     * Test the encode_content_links method for course.
+     */
+    public function test_course_encode_content_links() {
+        global $CFG;
+        $encoded = backup_course_task::encode_content_links(
+                $CFG->wwwroot . '/course/view.php?id=123, ' .
+                $CFG->wwwroot . '/grade/index.php?id=123, ' .
+                $CFG->wwwroot . '/grade/report/index.php?id=123, ' .
+                $CFG->wwwroot . '/badges/view.php?type=2&id=123 and ' .
+                $CFG->wwwroot . '/user/index.php?id=123.');
+        $this->assertEquals('$@COURSEVIEWBYID*123@$, $@GRADEINDEXBYID*123@$, ' .
+                '$@GRADEREPORTINDEXBYID*123@$, $@BADGESVIEWBYID*123@$ and $@USERINDEXVIEWBYID*123@$.', $encoded);
+    }
+}
@@ -60,13 +60,17 @@ abstract class base_plan implements checksumable, executable {
        $task->set_plan($this);
        // Append task settings to plan array, if not present, for comodity
        foreach ($task->get_settings() as $key => $setting) {
-            if (!in_array($setting, $this->settings)) {
-                $name = $setting->get_name();
-                if (!isset($this->settings[$name])) {
-                    $this->settings[$name] = $setting;
-                } else {
-                    throw new base_plan_exception('multiple_settings_by_name_found', $name);
-                }
+            // Check if there is already a setting for this name.
+            $name = $setting->get_name();
+            if (!isset($this->settings[$name])) {
+                // There is no setting, so add it.
+                $this->settings[$name] = $setting;
+            } else if ($this->settings[$name] != $setting) {
+                // If the setting already exists AND it is not the same setting,
+                // then throw an error. (I.e. you're allowed to add the same
+                // setting twice, but cannot add two different ones with same
+                // name.)
+                throw new base_plan_exception('multiple_settings_by_name_found', $name);
            }
        }
    }
@@ -73,6 +73,11 @@ abstract class base_moodleform extends moodleform {
     */
    function __construct(base_ui_stage $uistage, $action=null, $customdata=null, $method='post', $target='', $attributes=null, $editable=true) {
        $this->uistage = $uistage;
+        $attributes = (array)$attributes;
+        if (!isset($attributes['enctype'])) {
+            $attributes['enctype'] = 'application/x-www-form-urlencoded'; // Enforce compatibility with our max_input_vars hack.
+        }
+
        parent::__construct($action, $customdata, $method, $target, $attributes, $editable);
    }
    /**
@@ -73,7 +73,7 @@ class core_backup_renderer extends plugin_renderer_base {
     */
    public function backup_details($details, $nextstageurl) {
        $yestick = $this->output->pix_icon('i/valid', get_string('yes'));
-        $notick = $this->output->pix_icon('i/valid', get_string('no'));
+        $notick = $this->output->pix_icon('i/invalid', get_string('no'));

        $html  = html_writer::start_tag('div', array('class'=>'backup-restore'));

@@ -203,11 +203,11 @@ class core_backup_renderer extends plugin_renderer_base {
     */
    public function backup_details_unknown(moodle_url $nextstageurl) {

-        $html  = html_writer::start_tag('div', array('class' => 'unknownformat'));
-        $html .= $this->output->heading(get_string('errorinvalidformat', 'backup'), 2, 'notifyproblem');
-        $html .= html_writer::tag('div', get_string('errorinvalidformatinfo', 'backup'), array('class' => 'notifyproblem'));
+        $html  = html_writer::start_div('unknownformat');
+        $html .= $this->output->heading(get_string('errorinvalidformat', 'backup'), 2);
+        $html .= $this->output->notification(get_string('errorinvalidformatinfo', 'backup'), 'notifyproblem');
        $html .= $this->output->single_button($nextstageurl, get_string('continue'), 'post');
-        $html .= html_writer::end_tag('div');
+        $html .= html_writer::end_div();

        return $html;
    }
@@ -392,7 +392,7 @@ class core_backup_renderer extends plugin_renderer_base {
        }
        if (array_key_exists('warnings', $results)) {
            foreach ($results['warnings'] as $warning) {
-                $output .= $this->output->notification($warning, 'notifywarning notifyproblem');
+                $output .= $this->output->notification($warning, 'notifyproblem');
            }
        }
        return $output.html_writer::end_tag('div');
@@ -475,8 +475,9 @@ class restore_ui_stage_schema extends restore_ui_stage {
        if ($this->stageform === null) {
            $form = new restore_schema_form($this, $PAGE->url);
            $tasks = $this->ui->get_tasks();
-            $content = '';
            $courseheading = false;
+
+            $allsettings = array();
            foreach ($tasks as $task) {
                if (!($task instanceof restore_root_task)) {
                    if (!$courseheading) {
@@ -484,13 +485,11 @@ class restore_ui_stage_schema extends restore_ui_stage {
                        $form->add_heading('coursesettings', get_string('coursesettings', 'backup'));
                        $courseheading = true;
                    }
-                    // First add each setting
+                    // Put each setting into an array of settings to add. Adding
+                    // a setting individually is a very slow operation, so we add
+                    // them all in a batch later on.
                    foreach ($task->get_settings() as $setting) {
-                        $form->add_setting($setting, $task);
-                    }
-                    // The add all the dependencies
-                    foreach ($task->get_settings() as $setting) {
-                        $form->add_dependencies($setting);
+                        $allsettings[] = array($setting, $task);
                    }
                } else if ($this->ui->enforce_changed_dependencies()) {
                    // Only show these settings if dependencies changed them.
@@ -505,6 +504,15 @@ class restore_ui_stage_schema extends restore_ui_stage {
                    }
                }
            }
+
+            // Actually add all the settings that we put in the array.
+            $form->add_settings($allsettings);
+
+            // Add the dependencies for all the settings.
+            foreach ($allsettings as $settingtask) {
+                $form->add_dependencies($settingtask[0]);
+            }
+
            $this->stageform = $form;
        }
        return $this->stageform;
@@ -689,6 +697,7 @@ class restore_ui_stage_process extends restore_ui_stage {
        $html .= html_writer::start_tag('form', array(
            'action'    => $url->out_omit_querystring(),
            'class'     => 'backup-restore',
+            'enctype'   => 'application/x-www-form-urlencoded', // Enforce compatibility with our max_input_vars hack.
            'method'    => 'post'));
        foreach ($url->params() as $name => $value) {
            $html .= html_writer::empty_tag('input', array(
@@ -6,8 +6,13 @@ Feature: Backup Moodle courses

  Background:
    Given the following "courses" exists:
-      | fullname | shortname | category |
-      | Course 1 | C1 | 0 |
+      | fullname | shortname | category | numsections |
+      | Course 1 | C1 | 0 | 10 |
+      | Course 2 | C2 | 0 | 2 |
+    And the following "activities" exists:
+      | activity | course | idnumber | name | intro | section |
+      | assign | C2 | assign1 | Test assign | Assign description | 1 |
+      | data | C2 | data1 | Test data | Database description | 2 |
    And I log in as "admin"

  @javascript
@@ -34,5 +39,27 @@ Feature: Backup Moodle courses
    And I click on "Continue" "button" in the ".bcs-current-course" "css_element"
    And "//div[contains(concat(' ', normalize-space(@class), ' '), ' fitem ')][contains(., 'Include calendar events')]/descendant::img" "xpath_element" should exists
    And I check "Include course logs"
-    And I press "Cancel"
-    And I click on "Cancel" "button" in the "Cancel backup" "dialogue"
+    And I press "Next"
+
+  @javascript
+  Scenario: Backup a course without blocks
+    When I backup "Course 1" course using this options:
+      | id_setting_root_blocks | 0 |
+    Then I should see "Course backup area"
+
+  @javascript
+  Scenario: Backup selecting just one section
+    When I backup "Course 2" course using this options:
+      | Filename | test_backup.mbz |
+      | setting_section_section_2_userinfo | 0 |
+      | setting_section_section_2_included | 0 |
+      | setting_section_section_4_userinfo | 0 |
+      | setting_section_section_4_included | 0 |
+    Then I should see "Course backup area"
+    And I click on "Restore" "link" in the "test_backup.mbz" "table_row"
+    And I should not see "Section 2"
+    And I press "Continue"
+    And I click on "Continue" "button" in the ".bcs-current-course" "css_element"
+    And I press "Next"
+    And I should see "Test assign"
+    And I should not see "Test data"
@@ -17,7 +17,7 @@
 /**
 * Backup and restore actions to help behat feature files writting.
 *
- * @package    core
+ * @package    core_backup
 * @category   test
 * @copyright  2013 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -35,7 +35,7 @@ use Behat\Gherkin\Node\TableNode as TableNode,
 /**
 * Backup-related steps definitions.
 *
- * @package    core
+ * @package    core_backup
 * @category   test
 * @copyright  2013 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
@@ -31,5 +31,5 @@ Feature: Import course's contents into another course
    When I import "Course 1" course into "Course 2" course using this options:
    Then I should see "Test database name"
    And I should see "Test forum name"
-    And I should see "Comments"
+    And I should see "Comments" in the "Comments" "block"
    And I should see "Recent blog entries"
@@ -9,6 +9,11 @@ Feature: Restore Moodle 2 course backups
      | fullname | shortname | category | format | numsections | coursedisplay |
      | Course 1 | C1 | 0 | topics | 15 | 1 |
      | Course 2 | C2 | 0 | topics | 5 | 0 |
+      | Course 3 | C3 | 0 | topics | 2 | 0 |
+    And the following "activities" exists:
+      | activity | course | idnumber | name | intro | section |
+      | assign | C3 | assign1 | Test assign name | Assign description | 1 |
+      | data | C3 | data1 | Test database name | Database description | 2 |
    And I log in as "admin"
    And I follow "Course 1"
    And I turn editing mode on
@@ -23,7 +28,7 @@ Feature: Restore Moodle 2 course backups
      | Filename | test_backup.mbz |
    And I restore "test_backup.mbz" backup into "Course 2" course using this options:
    Then I should see "Course 2"
-    And I should see "Community finder"
+    And I should see "Community finder" in the "Community finder" "block"
    And I should see "Test forum name"

  @javascript
@@ -33,7 +38,7 @@ Feature: Restore Moodle 2 course backups
    And I restore "test_backup.mbz" backup into a new course using this options:
      | Course name | Course 1 restored in a new course |
    Then I should see "Course 1 restored in a new course"
-    And I should see "Community finder"
+    And I should see "Community finder" in the "Community finder" "block"
    And I should see "Test forum name"
    And I follow "Edit settings"
    And I expand all fieldsets
@@ -44,15 +49,16 @@ Feature: Restore Moodle 2 course backups

  @javascript
  Scenario: Restore a backup into the same course
-    When I backup "Course 1" course using this options:
+    When I backup "Course 3" course using this options:
      | Filename | test_backup.mbz |
-    And I merge "test_backup.mbz" backup into the current course using this options:
+    And I restore "test_backup.mbz" backup into "Course 2" course using this options:
+      | setting_section_section_3_included | 0 |
+      | setting_section_section_3_userinfo | 0 |
      | setting_section_section_5_included | 0 |
      | setting_section_section_5_userinfo | 0 |
-    Then I should see "Course 1"
-    And I should not see "Section 3"
-    And I should see "Community finder"
-    And I should see "Test forum name"
+    Then I should see "Course 2"
+    And I should see "Test assign name"
+    And I should not see "Test database name"

  @javascript
  Scenario: Restore a backup into the same course removing it's contents before that
@@ -69,7 +75,7 @@ Feature: Restore Moodle 2 course backups
    Then I should see "Course 1"
    And I should not see "Section 3"
    And I should not see "Test forum post backup name"
-    And I should see "Community finder"
+    And I should see "Community finder" in the "Community finder" "block"
    And I should see "Test forum name"

  @javascript
@@ -95,7 +95,11 @@ if ($copy) {
    require_capability('moodle/badges:createbadge', $context);

    $cloneid = $badge->make_clone();
-    redirect(new moodle_url('/badges/edit.php', array('id' => $cloneid, 'action' => 'details')));
+    // If a user can edit badge details, they will be redirected to the edit page.
+    if (has_capability('moodle/badges:configuredetails', $context)) {
+        redirect(new moodle_url('/badges/edit.php', array('id' => $cloneid, 'action' => 'details')));
+    }
+    redirect(new moodle_url('/badges/overview.php', array('id' => $cloneid)));
 }

 if ($activate) {
@@ -106,6 +110,7 @@ if ($activate) {
    if ($confirm == 1) {
        require_sesskey();
        $badge->set_status($status);
+        $returnurl->param('msg', 'activatesuccess');

        if ($badge->type == BADGE_TYPE_SITE) {
            // Review on cron if there are more than 1000 users who can earn a site-level badge.
@@ -41,6 +41,8 @@ $result = badges_check_backpack_accessibility();
 $outcome = new stdClass();
 $outcome->code = $result;
 $outcome->response = get_string('error:backpacknotavailable', 'badges') . $OUTPUT->help_icon('backpackavailability', 'badges');
+
+echo $OUTPUT->header();
 echo json_encode($outcome);

 die();
@@ -24,6 +24,9 @@
 * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
 */

+define('AJAX_SCRIPT', true);
+define('NO_MOODLE_COOKIES', true); // No need for a session here.
+
 require_once(dirname(dirname(__FILE__)) . '/config.php');
 require_once($CFG->libdir . '/badgeslib.php');

@@ -35,6 +38,5 @@ $hash = required_param('b', PARAM_ALPHANUM);

 $badge = badges_get_issued_badge_info($hash);

-header('Content-type: application/json; charset=utf-8');
-
-echo json_encode($badge);
+echo $OUTPUT->header();
+echo json_encode($badge);
@@ -106,7 +106,7 @@ if (count($acceptedroles) > 1) {
            $pageurl = new moodle_url('/badges/award.php', array('id' => $badgeid));
            $issuerrole = new stdClass();
            $issuerrole->roleid = $role;
-            $roleselect = get_string('selectaward', 'badges') . $OUTPUT->single_select(new moodle_url($pageurl), 'role', $select, $role);
+            $roleselect = get_string('selectaward', 'badges') . $OUTPUT->single_select(new moodle_url($pageurl), 'role', $select, $role, null);
        }
    } else {
        echo $OUTPUT->header();
@@ -117,7 +117,7 @@ if (count($acceptedroles) > 1) {
    }
 } else {
    // User has to be an admin or the one with the required role.
-    $users = get_role_users($acceptedroles[0], $context, false, 'u.id', 'u.id ASC');
+    $users = get_role_users($acceptedroles[0], $context, true, 'u.id', 'u.id ASC');
    $usersids = array_keys($users);
    if (!$isadmin && !in_array($USER->id, $usersids)) {
        echo $OUTPUT->header();
@@ -43,4 +43,87 @@ function check_site_access() {
    });

    return false;
-}
+}
+
+/*
+ * Update the status indicator to show connection progress.
+ */
+function badges_set_connection_progress(status) {
+    switch (status) {
+    case 'connecting':
+        var connecting = M.util.get_string('connecting', 'badges');
+        var imageurl = M.util.image_url('i/loading_small', 'moodle');
+        var loading = Y.Node.create(connecting + '&nbsp;<img src="'+imageurl+'" width="16" height="16" alt="'+connecting+'"/>');
+        Y.one('#connection-status').removeClass('notconnected').addClass('connecting').setHTML(loading);
+        break;
+    case 'notconnected':
+        var notconnected = M.util.get_string('notconnected', 'badges');;
+        Y.one('#connection-status').removeClass('connecting').addClass('notconnected').setHTML(notconnected);
+        break;
+    default:
+        // Unknown status, do nothing.
+    }
+}
+
+/*
+ * Print an error message at the top of the page.
+ */
+function badges_set_error_message(messagekey, param) {
+    var errortext = M.util.get_string(messagekey, 'badges', param);
+    Y.one('#connection-error').setHTML(errortext);
+}
+
+/*
+ * Handle the assertion generated by the Persona dialog.
+ */
+function badges_handle_assertion(assertion) {
+
+    if (!assertion) {
+        var noassertionstr = M.util.get_string('error:noassertion', 'badges');
+        badges_set_error_message('error:backpackloginfailed', noassertionstr);
+        return;
+    }
+
+    badges_set_connection_progress('connecting');
+
+    Y.io("backpackconnect.php", {
+        method: "POST",
+        data: "assertion="+assertion+"&sesskey="+M.cfg.sesskey,
+        on: {
+            success: function (id, result) {
+                // Reload page to display connected email address.
+                window.location.href = "mybackpack.php";
+            },
+            failure: function (id, result) {
+                try {
+                    var parsedResponse = Y.JSON.parse(result.response);
+                } catch (e) {
+                    badges_set_connection_progress('notconnected');
+                    var badjsonstr = M.util.get_string('error:badjson', 'badges');
+                    badges_set_error_message('error:backpackloginfailed', badjsonstr);
+                    return;
+                }
+                badges_set_connection_progress('notconnected');
+                badges_set_error_message('error:backpackloginfailed', parsedResponse.reason);
+                return;
+            }
+        }
+    });
+}
+
+/**
+ * Create and bind the persona login button.
+ */
+function badges_init_persona_login_button() {
+    // Create the login button and add to the page via Javascript.
+    var imageurl = M.util.image_url('i/persona_sign_in_black', 'moodle');
+    var imagealt = M.util.get_string('signinwithyouremail', 'badges');
+    var button = Y.Node.create('<img id="persona_signin" src="'+imageurl+'" width="202" height="25" alt="'+imagealt+'"/>');
+    Y.one('#persona-container').append(button);
+
+    // Bind a click event to trigger login when clicked.
+    button.on('click', function() {
+        Y.one('#connection-error').empty();
+        navigator.id.get(badges_handle_assertion);
+    });
+}
@@ -39,28 +39,37 @@ class edit_backpack_form extends moodleform {
     * Defines the form
     */
    public function definition() {
-        global $USER;
+        global $USER, $PAGE, $OUTPUT;
        $mform = $this->_form;

+        $mform->addElement('html', html_writer::tag('span', '', array('class' => 'notconnected', 'id' => 'connection-error')));
        $mform->addElement('header', 'backpackheader', get_string('backpackconnection', 'badges'));
        $mform->addHelpButton('backpackheader', 'backpackconnection', 'badges');
-        $mform->addElement('static', 'url', get_string('url'), 'http://backpack.openbadges.org');
-        $status = html_writer::tag('span', get_string('notconnected', 'badges'), array('class' => 'notconnected'));
+        $mform->addElement('static', 'url', get_string('url'), BADGE_BACKPACKURL);
+        $status = html_writer::tag('span', get_string('notconnected', 'badges'),
+            array('class' => 'notconnected', 'id' => 'connection-status'));
        $mform->addElement('static', 'status', get_string('status'), $status);

-        $mform->addElement('text', 'email', get_string('email'), array('size' => '50'));
-        $mform->setDefault('email', $USER->email);
-        $mform->setType('email', PARAM_RAW);
-        $mform->addRule('email', get_string('required'), 'required', null , 'client');
-        $mform->addHelpButton('email', 'backpackemail', 'badges');
+        $nojs = html_writer::tag('noscript', get_string('error:personaneedsjs', 'badges'),
+            array('class' => 'notconnected'));
+        $personadiv = $OUTPUT->container($nojs, null, 'persona-container');
+
+        $mform->addElement('static', 'persona', '', $personadiv);
+        $mform->addHelpButton('persona', 'personaconnection', 'badges');
+
+        $PAGE->requires->js(new moodle_url('https://login.persona.org/include.js'));
+        $PAGE->requires->js('/badges/backpack.js');
+        $PAGE->requires->js_init_call('badges_init_persona_login_button', null, false);
+        $PAGE->requires->strings_for_js(array('error:backpackloginfailed', 'signinwithyouremail',
+            'error:noassertion', 'error:connectionunknownreason', 'error:badjson', 'connecting',
+            'notconnected'), 'badges');

        $mform->addElement('hidden', 'userid', $USER->id);
        $mform->setType('userid', PARAM_INT);

-        $mform->addElement('hidden', 'backpackurl', 'http://backpack.openbadges.org');
+        $mform->addElement('hidden', 'backpackurl', BADGE_BACKPACKURL);
        $mform->setType('backpackurl', PARAM_URL);

-        $this->add_action_buttons(true, get_string('connect', 'badges'));
    }

    /**
@@ -70,18 +79,14 @@ class edit_backpack_form extends moodleform {
        global $DB;
        $errors = parent::validation($data, $files);

-        if (!validate_email($data['email'])) {
-            $errors['email'] = get_string('invalidemail');
-        } else {
-            $check = new stdClass();
-            $check->backpackurl = $data['backpackurl'];
-            $check->email = $data['email'];
+        $check = new stdClass();
+        $check->backpackurl = $data['backpackurl'];
+        $check->email = $data['email'];

-            $bp = new OpenBadgesBackpackHandler($check);
-            $request = $bp->curl_request('user');
-            if (isset($request->status) && $request->status == 'missing') {
-                $errors['email'] = get_string('error:nosuchuser', 'badges');
-            }
+        $bp = new OpenBadgesBackpackHandler($check);
+        $request = $bp->curl_request('user');
+        if (isset($request->status) && $request->status == 'missing') {
+            $errors['email'] = get_string('error:nosuchuser', 'badges');
        }
        return $errors;
    }
@@ -113,7 +118,7 @@ class edit_collections_form extends moodleform {

        $mform->addElement('header', 'backpackheader', get_string('backpackconnection', 'badges'));
        $mform->addHelpButton('backpackheader', 'backpackconnection', 'badges');
-        $mform->addElement('static', 'url', get_string('url'), 'http://backpack.openbadges.org');
+        $mform->addElement('static', 'url', get_string('url'), BADGE_BACKPACKURL);

        $status = html_writer::tag('span', get_string('connected', 'badges'), array('class' => 'connected'));
        $mform->addElement('static', 'status', get_string('status'), $status);
@@ -0,0 +1,137 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * AJAX script for validating backpack connection.
+ *
+ * @package    core
+ * @subpackage badges
+ * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Simon Coggins <simon.coggins@totaralms.com>
+ */
+
+define('AJAX_SCRIPT', true);
+
+require_once(dirname(dirname(__FILE__)) . '/config.php');
+require_once($CFG->dirroot . '/badges/lib/backpacklib.php');
+require_once($CFG->libdir . '/filelib.php');
+
+require_sesskey();
+require_login();
+$PAGE->set_url('/badges/backpackconnect.php');
+$PAGE->set_context(context_system::instance());
+echo $OUTPUT->header();
+
+// Use PHP input filtering as there is no PARAM type for
+// the type of cleaning that is required (ASCII chars 32-127 only).
+$assertion = filter_input(
+    INPUT_POST,
+    'assertion',
+    FILTER_UNSAFE_RAW,
+    FILTER_FLAG_STRIP_LOW|FILTER_FLAG_STRIP_HIGH
+);
+
+// Audience is the site url scheme + host + port only.
+$wwwparts = parse_url($CFG->wwwroot);
+$audience = $wwwparts['scheme'] . '://' . $wwwparts['host'];
+$audience .= isset($wwwparts['port']) ? $wwwparts['port'] : '';
+$params = 'assertion=' . urlencode($assertion) . '&audience=' .
+           urlencode($audience);
+
+$curl = new curl();
+$url = 'https://verifier.login.persona.org/verify';
+$options = array(
+    'FRESH_CONNECT'  => true,
+    'RETURNTRANSFER' => true,
+    'FORBID_REUSE'   => true,
+    'SSL_VERIFYPEER' => true,
+    'SSL_VERIFYHOST' => 2,
+    'HEADER'         => 0,
+    'HTTPHEADER'     => array('Content-type: application/x-www-form-urlencoded'),
+    'CONNECTTIMEOUT' => 0,
+    'TIMEOUT' => 10, // Fail if data not returned within 10 seconds.
+);
+$result = $curl->post($url, $params, $options);
+
+// Handle time-out and failed request.
+if ($curl->errno != 0) {
+    if ($curl->errno == CURLE_OPERATION_TIMEOUTED) {
+        $reason = get_string('error:requesttimeout', 'badges');
+    } else {
+        $reason = get_string('error:requesterror', 'badges', $curl->errno);
+    }
+    badges_send_response('failure', $reason);
+}
+
+$data = json_decode($result);
+
+if (!isset($data->status) || $data->status != 'okay') {
+    $reason = isset($data->reason) ? $data->reason : get_string('error:connectionunknownreason', 'badges');
+    badges_send_response('failure', $reason);
+}
+
+// Make sure email matches a backpack.
+$check = new stdClass();
+$check->backpackurl = BADGE_BACKPACKURL;
+$check->email = $data->email;
+
+$bp = new OpenBadgesBackpackHandler($check);
+$request = $bp->curl_request('user');
+if (isset($request->status) && $request->status == 'missing') {
+    $reason = get_string('error:backpackemailnotfound', 'badges', $data->email);
+    badges_send_response('failure', $reason);
+} else if (empty($request->userId)) {
+    $reason = get_string('error:backpackdatainvalid', 'badges');
+    badges_send_response('failure', $reason);
+} else {
+    $backpackuid = $request->userId;
+}
+
+// Insert record.
+$obj = new stdClass();
+$obj->userid = $USER->id;
+$obj->email = $data->email;
+$obj->backpackurl = BADGE_BACKPACKURL;
+$obj->backpackuid = $backpackuid;
+$obj->autosync = 0;
+$obj->password = '';
+$DB->insert_record('badge_backpack', $obj);
+
+// Return success indicator and email address.
+badges_send_response('success', $data->email);
+
+
+/**
+ * Return a JSON response containing the response provided.
+ *
+ * @param string $status Status of the response, typically 'success' or 'failure'.
+ * @param string $responsetext On success, the email address of the user,
+ *                             otherwise a reason for the failure.
+ * @return void Outputs the JSON and terminates the script.
+ */
+function badges_send_response($status, $responsetext) {
+    $out = new stdClass();
+    $out->status = $status;
+    if ($status == 'success') {
+        $out->email = $responsetext;
+    } else {
+        $out->reason = $responsetext;
+        send_header_404();
+    }
+    echo json_encode($out);
+    exit;
+}
--- a/Show More
+++ b/Show More