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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * PHPUnit data generator tests
  19   *
  20   * @package    mod_forum
  21   * @category   phpunit
  22   * @copyright  2012 Petr Skoda {@link http://skodak.org}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  
  29  /**
  30   * PHPUnit data generator testcase
  31   *
  32   * @package    mod_forum
  33   * @category   phpunit
  34   * @copyright  2012 Petr Skoda {@link http://skodak.org}
  35   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class mod_forum_generator_testcase extends advanced_testcase {
  38  
  39      public function setUp() {
  40          // We must clear the subscription caches. This has to be done both before each test, and after in case of other
  41          // tests using these functions.
  42          \mod_forum\subscriptions::reset_forum_cache();
  43      }
  44  
  45      public function tearDown() {
  46          // We must clear the subscription caches. This has to be done both before each test, and after in case of other
  47          // tests using these functions.
  48          \mod_forum\subscriptions::reset_forum_cache();
  49      }
  50  
  51      public function test_generator() {
  52          global $DB;
  53  
  54          $this->resetAfterTest(true);
  55  
  56          $this->assertEquals(0, $DB->count_records('forum'));
  57  
  58          $course = $this->getDataGenerator()->create_course();
  59  
  60          /** @var mod_forum_generator $generator */
  61          $generator = $this->getDataGenerator()->get_plugin_generator('mod_forum');
  62          $this->assertInstanceOf('mod_forum_generator', $generator);
  63          $this->assertEquals('forum', $generator->get_modulename());
  64  
  65          $generator->create_instance(array('course'=>$course->id));
  66          $generator->create_instance(array('course'=>$course->id));
  67          $forum = $generator->create_instance(array('course'=>$course->id));
  68          $this->assertEquals(3, $DB->count_records('forum'));
  69  
  70          $cm = get_coursemodule_from_instance('forum', $forum->id);
  71          $this->assertEquals($forum->id, $cm->instance);
  72          $this->assertEquals('forum', $cm->modname);
  73          $this->assertEquals($course->id, $cm->course);
  74  
  75          $context = context_module::instance($cm->id);
  76          $this->assertEquals($forum->cmid, $context->instanceid);
  77  
  78          // test gradebook integration using low level DB access - DO NOT USE IN PLUGIN CODE!
  79          $forum = $generator->create_instance(array('course'=>$course->id, 'assessed'=>1, 'scale'=>100));
  80          $gitem = $DB->get_record('grade_items', array('courseid'=>$course->id, 'itemtype'=>'mod', 'itemmodule'=>'forum', 'iteminstance'=>$forum->id));
  81          $this->assertNotEmpty($gitem);
  82          $this->assertEquals(100, $gitem->grademax);
  83          $this->assertEquals(0, $gitem->grademin);
  84          $this->assertEquals(GRADE_TYPE_VALUE, $gitem->gradetype);
  85      }
  86  
  87      /**
  88       * Test create_discussion.
  89       */
  90      public function test_create_discussion() {
  91          global $DB;
  92  
  93          $this->resetAfterTest(true);
  94  
  95          // User that will create the forum.
  96          $user = self::getDataGenerator()->create_user();
  97  
  98          // Create course to add the forum to.
  99          $course = self::getDataGenerator()->create_course();
 100  
 101          // The forum.
 102          $record = new stdClass();
 103          $record->course = $course->id;
 104          $forum = self::getDataGenerator()->create_module('forum', $record);
 105  
 106          // Add a few discussions.
 107          $record = array();
 108          $record['course'] = $course->id;
 109          $record['forum'] = $forum->id;
 110          $record['userid'] = $user->id;
 111          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
 112          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
 113          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
 114  
 115          // Check the discussions were correctly created.
 116          $this->assertEquals(3, $DB->count_records_select('forum_discussions', 'forum = :forum',
 117              array('forum' => $forum->id)));
 118      }
 119  
 120      /**
 121       * Test create_post.
 122       */
 123      public function test_create_post() {
 124          global $DB;
 125  
 126          $this->resetAfterTest(true);
 127  
 128          // Create a bunch of users
 129          $user1 = self::getDataGenerator()->create_user();
 130          $user2 = self::getDataGenerator()->create_user();
 131          $user3 = self::getDataGenerator()->create_user();
 132          $user4 = self::getDataGenerator()->create_user();
 133  
 134          // Create course to add the forum.
 135          $course = self::getDataGenerator()->create_course();
 136  
 137          // The forum.
 138          $record = new stdClass();
 139          $record->course = $course->id;
 140          $forum = self::getDataGenerator()->create_module('forum', $record);
 141  
 142          // Add a discussion.
 143          $record->forum = $forum->id;
 144          $record->userid = $user1->id;
 145          $discussion = self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
 146  
 147          // Add a bunch of replies, changing the userid.
 148          $record = new stdClass();
 149          $record->discussion = $discussion->id;
 150          $record->userid = $user2->id;
 151          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_post($record);
 152          $record->userid = $user3->id;
 153          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_post($record);
 154          $record->userid = $user4->id;
 155          self::getDataGenerator()->get_plugin_generator('mod_forum')->create_post($record);
 156  
 157          // Check the posts were correctly created, remember, when creating a discussion a post
 158          // is generated as well, so we should have 4 posts, not 3.
 159          $this->assertEquals(4, $DB->count_records_select('forum_posts', 'discussion = :discussion',
 160              array('discussion' => $discussion->id)));
 161      }
 162  
 163      public function test_create_content() {
 164          global $DB;
 165  
 166          $this->resetAfterTest(true);
 167  
 168          // Create a bunch of users
 169          $user1 = self::getDataGenerator()->create_user();
 170          $user2 = self::getDataGenerator()->create_user();
 171          $user3 = self::getDataGenerator()->create_user();
 172          $user4 = self::getDataGenerator()->create_user();
 173  
 174          $this->setAdminUser();
 175  
 176          // Create course and forum.
 177          $course = self::getDataGenerator()->create_course();
 178          $forum = self::getDataGenerator()->create_module('forum', array('course' => $course));
 179  
 180          $generator = self::getDataGenerator()->get_plugin_generator('mod_forum');
 181          // This should create discussion.
 182          $post1 = $generator->create_content($forum);
 183          // This should create posts in the discussion.
 184          $post2 = $generator->create_content($forum, array('parent' => $post1->id));
 185          $post3 = $generator->create_content($forum, array('discussion' => $post1->discussion));
 186          // This should create posts answering another post.
 187          $post4 = $generator->create_content($forum, array('parent' => $post2->id));
 188  
 189          $discussionrecords = $DB->get_records('forum_discussions', array('forum' => $forum->id));
 190          $postrecords = $DB->get_records('forum_posts');
 191          $postrecords2 = $DB->get_records('forum_posts', array('discussion' => $post1->discussion));
 192          $this->assertEquals(1, count($discussionrecords));
 193          $this->assertEquals(4, count($postrecords));
 194          $this->assertEquals(4, count($postrecords2));
 195          $this->assertEquals($post1->id, $discussionrecords[$post1->discussion]->firstpost);
 196          $this->assertEquals($post1->id, $postrecords[$post2->id]->parent);
 197          $this->assertEquals($post1->id, $postrecords[$post3->id]->parent);
 198          $this->assertEquals($post2->id, $postrecords[$post4->id]->parent);
 199      }
 200  }