MDL-75111 phpunit: Move tests to use correct names and ns (take#4)

Applied the following changes to various testcase classes:

- Namespaced with component[\level2-API]
- Moved to level2-API subdirectory when required.
- Fixed incorrect use statements with leading backslash.
- Remove file phpdoc block
- Remove MOODLE_INTERNAL if not needed.
- Changed code to point to global scope when needed.
- Fix some relative paths and comments here and there.
- All them passing individually.
- Complete runs passing too.

Special mention to:

- The following task tests have been moved within the level2 directory:
  - \core\adhoc_task_test => \core\task\adhoc_task_test
  - \core\scheduled_task_test => \core\task\scheduled_task_test
  - \core\calendar_cron_task_test => \core\task\calendar_cron_task_test
  - \core\h5p_get_content_types_task_test => \core\task\h5p_get_content_types_task_test
  - \core\task_database_logger_test => \core\task\database_logger_test
  - \core\task_logging_test => \core\task\logging_test

- The following event tests have been moved within level2 directory:
  - \core\event_context_locked_test => \core\event\context_locked_test
  - \core\event_deprecated_test => \core\event\deprecated_test
  - \core\event_grade_deleted_test => \core\event\grade_deleted_test
  - \core\event_profile_field_test => \core\event\profile_field_test
  - \core\event_unknown_logged_test => \core\event\unknown_logged_test
  - \core\event_user_graded_test => \core\event\user_graded_test
  - \core\event_user_password_updated_test => \core\event\user_password_updated_test

- The following output tests have been moved within level2 directory:
  - \core\mustache_template_finder_test => \core\output\mustache_template_finder_test
  - \core\mustache_template_source_loader_test => \core\output\mustache_template_source_loader_test
  - \core\output_mustache_helper_collection_test => \core\output\mustache_helper_collection_test

- The following tests have been moved to their correct tests directories:
  - lib/tests/time_splittings_test.php => analytics/tests/time_splittings_test.php

- All the classes and tests under lib/filebrowser and lib/filestorage
  belong to core, not to core_files. Some day we should move
  them to their correct subsystem.
- All the classes and tests under lib/grade belong to core, not
  to core_grades. Some day we should move them to their correct
  subsystem.
- The core_grades_external class and its \core\grades_external_test
  unit test should belong to the grades subsystem or, alternatively,
  to \core\external, they both should be moved together.
- The core_grading_external class and its \core\grading_external_test
  unit test should belong to the grading subsystem or, alternatively,
  to \core\external, they both should be moved together.
- The \core\message\message and \core\message\inbound (may be others)
  classes, and their associated tests should go to the core_message
  subsystem.
- The core_user class, and its associated tests should go to the
  core_user subsystem.
- The \core\update namespace is plain wrong (update is not valid API)
  and needs action 1) create it or 2) move elsewhere.

lib/tests/authlib_test.php

@@ -14,22 +14,18 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
+
+namespace core;
+
 /**
  * Authentication related tests.
  *
- * @package    core_auth
- * @category   phpunit
+ * @package    core
+ * @category   test
  * @copyright  2012 Petr Skoda {@link http://skodak.org}
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-
-defined('MOODLE_INTERNAL') || die();
-
-
-/**
- * Functional test for authentication related APIs.
- */
-class core_authlib_testcase extends advanced_testcase {
+class authlib_test extends \advanced_testcase {
     public function test_lockout() {
         global $CFG;
         require_once("$CFG->libdir/authlib.php");
@@ -347,7 +343,7 @@ class core_authlib_testcase extends advanced_testcase {
         $result = authenticate_user_login('username4', 'a', false, $reason);
         $events = $sink->get_events();
         $sink->close();
-        $notifications = \core\notification::fetch();
+        $notifications = notification::fetch();
         $this->assertInstanceOf('stdClass', $result);
         $this->assertEquals(AUTH_LOGIN_OK, $reason);
         $this->assertEquals(get_user_preferences('auth_forcepasswordchange', false, $result), false);
@@ -370,7 +366,7 @@ class core_authlib_testcase extends advanced_testcase {
         $this->assertEquals(count($events), 1);
         $this->assertEquals(reset($events)->eventname, '\core\event\user_password_policy_failed');
         // Check notification fired.
-        $notifications = \core\notification::fetch();
+        $notifications = notification::fetch();
         $this->assertEquals(count($notifications), 1);
 
         // Now the same tests with a user that passes the password policy.
@@ -381,7 +377,7 @@ class core_authlib_testcase extends advanced_testcase {
         $result = authenticate_user_login('username5', 'ThisPassword1sSecure!', false, $reason);
         $events = $sink->get_events();
         $sink->close();
-        $notifications = \core\notification::fetch();
+        $notifications = notification::fetch();
         $this->assertInstanceOf('stdClass', $result);
         $this->assertEquals(AUTH_LOGIN_OK, $reason);
         $this->assertEquals(get_user_preferences('auth_forcepasswordchange', false, $result), false);
@@ -396,7 +392,7 @@ class core_authlib_testcase extends advanced_testcase {
         $result = authenticate_user_login('username5', 'ThisPassword1sSecure!', false, $reason);
         $events = $sink->get_events();
         $sink->close();
-        $notifications = \core\notification::fetch();
+        $notifications = notification::fetch();
         $this->assertInstanceOf('stdClass', $result);
         $this->assertEquals(AUTH_LOGIN_OK, $reason);
         $this->assertEquals(get_user_preferences('auth_forcepasswordchange', false, $result), false);
@@ -410,7 +406,7 @@ class core_authlib_testcase extends advanced_testcase {
         try {
             $event = \core\event\user_loggedin::create(array('objectid' => 1));
             $this->fail('\core\event\user_loggedin requires other[\'username\']');
-        } catch(Exception $e) {
+        } catch(\Exception $e) {
             $this->assertInstanceOf('coding_exception', $e);
         }
     }
@@ -434,8 +430,8 @@ class core_authlib_testcase extends advanced_testcase {
         // inject our own validation method here and revert it back once we are done. This custom validator method is
         // identical to the default 'php' validator with the only difference: it has the FILTER_FLAG_EMAIL_UNICODE set
         // so that it allows to use non-ASCII characters in email addresses.
-        $defaultvalidator = moodle_phpmailer::$validator;
-        moodle_phpmailer::$validator = function($address) {
+        $defaultvalidator = \moodle_phpmailer::$validator;
+        \moodle_phpmailer::$validator = function($address) {
             return (bool) filter_var($address, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE);
         };
 
@@ -472,6 +468,6 @@ class core_authlib_testcase extends advanced_testcase {
         $this->assertArrayNotHasKey('email', $errors);
 
         // Restore the original email address validator.
-        moodle_phpmailer::$validator = $defaultvalidator;
+        \moodle_phpmailer::$validator = $defaultvalidator;
     }
 }