rating/tests/externallib_test.php

   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  * External rating functions unit tests
  19  *
  20  * @package    core_rating
  21  * @category   external
  22  * @copyright  2015 Costantino Cito <ccito@cvaconsulting.com>
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 global $CFG;
  29
  30 require_once($CFG->dirroot . '/webservice/tests/helpers.php');
  31 require_once($CFG->dirroot . '/rating/lib.php');
  32
  33 /**
  34  * External rating functions unit tests
  35  *
  36  * @package    core_rating
  37  * @category   external
  38  * @copyright  2015 Costantino Cito <ccito@cvaconsulting.com>
  39  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40  */
  41 class core_rating_externallib_testcase extends externallib_advanced_testcase {
  42
  43     /*
  44      * Set up for every test
  45      */
  46     public function setUp() {
  47         global $DB;
  48         $this->resetAfterTest();
  49
  50         $this->course = self::getDataGenerator()->create_course();
  51         $this->student1 = $this->getDataGenerator()->create_user();
  52         $this->student2 = $this->getDataGenerator()->create_user();
  53         $this->teacher1 = $this->getDataGenerator()->create_user();
  54         $this->teacher2 = $this->getDataGenerator()->create_user();
  55         $this->teacher3 = $this->getDataGenerator()->create_user();
  56         $this->studentrole = $DB->get_record('role', array('shortname' => 'student'));
  57         $this->teacherrole = $DB->get_record('role', array('shortname' => 'teacher'));
  58         unassign_capability('moodle/site:accessallgroups', $this->teacherrole->id);
  59
  60         $this->getDataGenerator()->enrol_user($this->student1->id, $this->course->id, $this->studentrole->id);
  61         $this->getDataGenerator()->enrol_user($this->student2->id, $this->course->id, $this->studentrole->id);
  62         $this->getDataGenerator()->enrol_user($this->teacher1->id, $this->course->id, $this->teacherrole->id);
  63         $this->getDataGenerator()->enrol_user($this->teacher2->id, $this->course->id, $this->teacherrole->id);
  64         $this->getDataGenerator()->enrol_user($this->teacher3->id, $this->course->id, $this->teacherrole->id);
  65
  66         // Create the forum.
  67         $record = new stdClass();
  68         $record->introformat = FORMAT_HTML;
  69         $record->course = $this->course->id;
  70         // Set Aggregate type = Average of ratings.
  71         $record->assessed = RATING_AGGREGATE_AVERAGE;
  72         $record->scale = 100;
  73         $this->forum = self::getDataGenerator()->create_module('forum', $record);
  74
  75         $this->contextid = context_module::instance($this->forum->cmid)->id;
  76
  77         // Add discussion to the forums.
  78         $record = new stdClass();
  79         $record->course = $this->course->id;
  80         $record->userid = $this->student1->id;
  81         $record->forum = $this->forum->id;
  82         $this->discussion = self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
  83         // Retrieve the first post.
  84         $this->post = $DB->get_record('forum_posts', array('discussion' => $this->discussion->id));
  85     }
  86
  87     /**
  88      * Test get_item_ratings
  89      */
  90     public function test_get_item_ratings() {
  91         global $DB;
  92
  93         // Rete the discussion as teacher1.
  94         $rating1 = new stdClass();
  95         $rating1->contextid = $this->contextid;
  96         $rating1->component = 'mod_forum';
  97         $rating1->ratingarea = 'post';
  98         $rating1->itemid = $this->post->id;
  99         $rating1->rating = 90;
 100         $rating1->scaleid = 100;
 101         $rating1->userid = $this->teacher1->id;
 102         $rating1->timecreated = time();
 103         $rating1->timemodified = time();
 104         $rating1->id = $DB->insert_record('rating', $rating1);
 105
 106         // Rete the discussion as teacher2.
 107         $rating2 = new stdClass();
 108         $rating2->contextid = $this->contextid;
 109         $rating2->component = 'mod_forum';
 110         $rating2->ratingarea = 'post';
 111         $rating2->itemid = $this->post->id;
 112         $rating2->rating = 95;
 113         $rating2->scaleid = 100;
 114         $rating2->userid = $this->teacher2->id;
 115         $rating2->timecreated = time() + 1;
 116         $rating2->timemodified = time() + 1;
 117         $rating2->id = $DB->insert_record('rating', $rating2);
 118
 119         // Delete teacher2, we must still receive the ratings.
 120         delete_user($this->teacher2);
 121
 122         // Teachers can see all the ratings.
 123         $this->setUser($this->teacher1);
 124
 125         $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');
 126         // We need to execute the return values cleaning process to simulate the web service server.
 127         $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
 128         $this->assertCount(2, $ratings['ratings']);
 129
 130         $indexedratings = array();
 131         foreach ($ratings['ratings'] as $rating) {
 132             $indexedratings[$rating['id']] = $rating;
 133         }
 134         $this->assertEquals($rating1->rating.' / '.$rating1->scaleid, $indexedratings[$rating1->id]['rating']);
 135         $this->assertEquals($rating2->rating.' / '.$rating2->scaleid, $indexedratings[$rating2->id]['rating']);
 136
 137         $this->assertEquals($rating1->userid, $indexedratings[$rating1->id]['userid']);
 138         $this->assertEquals($rating2->userid, $indexedratings[$rating2->id]['userid']);
 139
 140         // Student can see ratings.
 141         $this->setUser($this->student1);
 142
 143         $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');
 144         // We need to execute the return values cleaning process to simulate the web service server.
 145         $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
 146         $this->assertCount(2, $ratings['ratings']);
 147
 148         // Invalid item.
 149         try {
 150             $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', 0, 100, '');
 151             $this->fail('Exception expected due invalid itemid.');
 152         } catch (moodle_exception $e) {
 153             $this->assertEquals('invalidrecord', $e->errorcode);
 154         }
 155
 156         // Invalid area.
 157         try {
 158             $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'xyz', $this->post->id, 100, '');
 159             $this->fail('Exception expected due invalid rating area.');
 160         } catch (moodle_exception $e) {
 161             $this->assertEquals('invalidratingarea', $e->errorcode);
 162         }
 163
 164         // Invalid context. invalid_parameter_exception.
 165         try {
 166             $ratings = core_rating_external::get_item_ratings('module', 0, 'mod_forum', 'post', $this->post->id, 100, '');
 167             $this->fail('Exception expected due invalid context.');
 168         } catch (invalid_parameter_exception $e) {
 169             $this->assertEquals('invalidparameter', $e->errorcode);
 170         }
 171
 172         // Test for groupmode.
 173         set_coursemodule_groupmode($this->forum->cmid, SEPARATEGROUPS);
 174         $group = $this->getDataGenerator()->create_group(array('courseid' => $this->course->id));
 175         groups_add_member($group, $this->teacher1);
 176
 177         $this->discussion->groupid = $group->id;
 178         $DB->update_record('forum_discussions', $this->discussion);
 179
 180         // Error for teacher3 and 2 ratings for teacher1 should be returned.
 181         $this->setUser($this->teacher1);
 182         $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');
 183         // We need to execute the return values cleaning process to simulate the web service server.
 184         $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
 185         $this->assertCount(2, $ratings['ratings']);
 186
 187         $this->setUser($this->teacher3);
 188         try {
 189             $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');
 190             $this->fail('Exception expected due invalid group permissions.');
 191         } catch (moodle_exception $e) {
 192             $this->assertEquals('noviewrate', $e->errorcode);
 193         }
 194
 195     }
 196
 197     /**
 198      * Test add_rating
 199      */
 200     public function test_add_rating() {
 201         $this->setUser($this->teacher1);
 202
 203         // First rating of 50.
 204         $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,
 205                                                     50, $this->student1->id, RATING_AGGREGATE_AVERAGE);
 206         // We need to execute the return values cleaning process to simulate the web service server.
 207         $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
 208         $this->assertTrue($rating['success']);
 209         $this->assertEquals(50, $rating['aggregate']);
 210         $this->assertEquals(1, $rating['count']);
 211
 212         // New different rate (it will replace the existing one).
 213         $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,
 214                                                     100, $this->student1->id, RATING_AGGREGATE_AVERAGE);
 215         $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
 216                 $this->assertTrue($rating['success']);
 217         $this->assertEquals(100, $rating['aggregate']);
 218         $this->assertEquals(1, $rating['count']);
 219
 220         // Rate as other user.
 221         $this->setUser($this->teacher2);
 222         $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,
 223                                                     50, $this->student1->id, RATING_AGGREGATE_AVERAGE);
 224         $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
 225         $this->assertEquals(75, $rating['aggregate']);
 226         $this->assertEquals(2, $rating['count']);
 227
 228         // Try to rate my own post.
 229         $this->setUser($this->student1);
 230         $this->expectException('moodle_exception');
 231         $this->expectExceptionMessage(get_string('ratepermissiondenied', 'rating'));
 232         $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,
 233                                                         100, $this->student1->id, RATING_AGGREGATE_AVERAGE);
 234     }
 235 }