From 2d572444e1a6096a736c7360abcb29bf8966a737 Mon Sep 17 00:00:00 2001
From: Rossiani Wijaya <rwijaya@moodle.com>
Date: Fri, 14 Jan 2011 14:52:24 +0800
Subject: [PATCH] MDL-17884: Add test_download_file_content and componentlib to
 unittest. Credit goes to Tomasz Muras

---
 lib/simpletest/testcomponentlib.php | 63 +++++++++++++++++++++++++++++
 lib/simpletest/testfilelib.php      |  6 +++
 2 files changed, 69 insertions(+)
 create mode 100644 lib/simpletest/testcomponentlib.php

diff --git a/lib/simpletest/testcomponentlib.php b/lib/simpletest/testcomponentlib.php
new file mode 100644
index 00000000000..a5918fc1eb9
--- /dev/null
+++ b/lib/simpletest/testcomponentlib.php
@@ -0,0 +1,63 @@
+<?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 tests for /lib/componentlib.class.php.
+ *
+ * @package   moodlecore
+ * @copyright 2011 Tomasz Muras
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+if (!defined('MOODLE_INTERNAL')) {
+    die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
+}
+require_once($CFG->libdir.'/componentlib.class.php');
+
+class componentlib_test extends UnitTestCase {
+
+    public function test_component_installer() {
+        global $CFG;
+
+        $ci = new component_installer('http://download.moodle.org', 'unittest', 'downloadtests.zip');
+        $this->assertTrue($ci->check_requisites());
+
+        $destpath = $CFG->dataroot.'/downloadtests';
+
+        //carefully remove component files to enforce fresh installation
+        @unlink($destpath.'/'.'downloadtests.md5');
+        @unlink($destpath.'/'.'test.html');
+        @unlink($destpath.'/'.'test.jpg');
+        @rmdir($destpath);
+
+        $this->assertEqual(COMPONENT_NEEDUPDATE, $ci->need_upgrade());
+
+        $status = $ci->install();
+        $this->assertEqual(COMPONENT_INSTALLED, $status);
+        $this->assertEqual('9e94f74b3efb1ff6cf075dc6b2abf15c', $ci->get_component_md5());
+
+        //it's already installed, so Moodle should detect it's up to date
+        $this->assertEqual(COMPONENT_UPTODATE, $ci->need_upgrade());
+        $status = $ci->install();
+        $this->assertEqual(COMPONENT_UPTODATE, $status);
+
+        //check if correct files were downloaded
+        $this->assertEqual('2af180e813dc3f446a9bb7b6af87ce24', md5_file($destpath.'/'.'test.jpg'));
+        $this->assertEqual('47250a973d1b88d9445f94db4ef2c97a', md5_file($destpath.'/'.'test.html'));
+
+    }
+}
diff --git a/lib/simpletest/testfilelib.php b/lib/simpletest/testfilelib.php
index 6674106193e..ffea131f2bc 100644
--- a/lib/simpletest/testfilelib.php
+++ b/lib/simpletest/testfilelib.php
@@ -79,4 +79,10 @@ class filelib_test extends UnitTestCase {
         $postdata = format_postdata_for_curlcall($postdatatoconvert);
         $this->assertEqual($postdata, $expectedresult);
     }
+
+    public function test_download_file_content() {
+        $testhtml = "http://download.moodle.org/unittest/test.html";
+        $contents = download_file_content($testhtml);
+        $this->assertEqual('47250a973d1b88d9445f94db4ef2c97a', md5($contents));
+    }
 }