rating/tests/privacy_provider_test.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
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   5 // it under the terms of the GNU General Public License as published by
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   7 // (at your option) any later version.
   8 //
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  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  * Unit tests for the core_rating implementation of the Privacy API.
  19  *
  20  * @package    core_rating
  21  * @category   test
  22  * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 global $CFG;
  29 require_once($CFG->dirroot . '/rating/lib.php');
  30
  31 use \core_rating\privacy\provider;
  32 use \core_privacy\local\request\writer;
  33
  34 /**
  35  * Unit tests for the core_rating implementation of the Privacy API.
  36  *
  37  * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
  38  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39  */
  40 class core_rating_privacy_testcase extends \core_privacy\tests\provider_testcase {
  41
  42     /**
  43      * Rate something as a user.
  44      *
  45      * @param   int         $userid
  46      * @param   string      $component
  47      * @param   string      $ratingarea
  48      * @param   int         $itemid
  49      * @param   \context    $context
  50      * @param   string      $score
  51      */
  52     protected function rate_as_user($userid, $component, $ratingarea, $itemid, $context, $score) {
  53         // Rate the courses.
  54         $rm = new rating_manager();
  55         $ratingoptions = (object) [
  56             'component'   => $component,
  57             'ratingarea'  => $ratingarea,
  58             'scaleid'     => 100,
  59         ];
  60
  61         // Rate all courses as u1, and the course category too..
  62         $ratingoptions->itemid = $itemid;
  63         $ratingoptions->userid = $userid;
  64         $ratingoptions->context = $context;
  65         $rating = new \rating($ratingoptions);
  66         $rating->update_rating($score);
  67     }
  68
  69     /**
  70      * Ensure that the get_sql_join function returns valid SQL which returns the correct list of rated itemids.
  71      */
  72     public function test_get_sql_join() {
  73         global $DB;
  74         $this->resetAfterTest();
  75
  76         $course1 = $this->getDataGenerator()->create_course();
  77         $course2 = $this->getDataGenerator()->create_course();
  78         $course3 = $this->getDataGenerator()->create_course();
  79
  80         $u1 = $this->getDataGenerator()->create_user();
  81         $u2 = $this->getDataGenerator()->create_user();
  82         $u3 = $this->getDataGenerator()->create_user();
  83
  84         // Rate the courses.
  85         $rm = new rating_manager();
  86         $ratingoptions = (object) [
  87             'component'   => 'core_course',
  88             'ratingarea'  => 'course',
  89             'scaleid'     => 100,
  90         ];
  91
  92         // Rate all courses as u1, and something else in the same context.
  93         $this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
  94         $this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
  95         $this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
  96         $this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
  97
  98         // Rate course2 as u2, and something else in a different context/component..
  99         $this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
 100         $this->rate_as_user($u2->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 10);
 101
 102         // Return any course which the u1 has rated.
 103         // u1 rated all three courses.
 104         $ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u1->id);
 105         $sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
 106         $courses = $DB->get_records_sql($sql, $ratingquery->params);
 107
 108         $this->assertCount(3, $courses);
 109         $this->assertTrue(isset($courses[$course1->id]));
 110         $this->assertTrue(isset($courses[$course2->id]));
 111         $this->assertTrue(isset($courses[$course3->id]));
 112
 113         // User u1 rated files in course 3 only.
 114         $ratingquery = provider::get_sql_join('r', 'core_course', 'files', 'c.id', $u1->id);
 115         $sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
 116         $courses = $DB->get_records_sql($sql, $ratingquery->params);
 117
 118         $this->assertCount(1, $courses);
 119         $this->assertFalse(isset($courses[$course1->id]));
 120         $this->assertFalse(isset($courses[$course2->id]));
 121         $this->assertTrue(isset($courses[$course3->id]));
 122
 123         // Return any course which the u2 has rated.
 124         // User u2 rated only course 2.
 125         $ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u2->id);
 126         $sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
 127         $courses = $DB->get_records_sql($sql, $ratingquery->params);
 128
 129         $this->assertCount(1, $courses);
 130         $this->assertFalse(isset($courses[$course1->id]));
 131         $this->assertTrue(isset($courses[$course2->id]));
 132         $this->assertFalse(isset($courses[$course3->id]));
 133
 134         // User u2 rated u3.
 135         $ratingquery = provider::get_sql_join('r', 'user', 'user', 'u.id', $u2->id);
 136         $sql = "SELECT u.id FROM {user} u {$ratingquery->join} WHERE {$ratingquery->userwhere}";
 137         $users = $DB->get_records_sql($sql, $ratingquery->params);
 138
 139         $this->assertCount(1, $users);
 140         $this->assertFalse(isset($users[$u1->id]));
 141         $this->assertFalse(isset($users[$u2->id]));
 142         $this->assertTrue(isset($users[$u3->id]));
 143
 144         // Return any course which the u3 has rated.
 145         // User u3 did not rate anything.
 146         $ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u3->id);
 147         $sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
 148         $courses = $DB->get_records_sql($sql, $ratingquery->params);
 149
 150         $this->assertCount(0, $courses);
 151         $this->assertFalse(isset($courses[$course1->id]));
 152         $this->assertFalse(isset($courses[$course2->id]));
 153         $this->assertFalse(isset($courses[$course3->id]));
 154     }
 155
 156     /**
 157      * Ensure that export_area_ratings exports all ratings that a user has made, and all ratings for a users own content.
 158      */
 159     public function test_export_area_ratings() {
 160         global $DB;
 161         $this->resetAfterTest();
 162
 163         $course1 = $this->getDataGenerator()->create_course();
 164         $course2 = $this->getDataGenerator()->create_course();
 165         $course3 = $this->getDataGenerator()->create_course();
 166
 167         $u1 = $this->getDataGenerator()->create_user();
 168         $u2 = $this->getDataGenerator()->create_user();
 169         $u3 = $this->getDataGenerator()->create_user();
 170
 171         // Rate the courses.
 172         $rm = new rating_manager();
 173         $ratingoptions = (object) [
 174             'component'   => 'core_course',
 175             'ratingarea'  => 'course',
 176             'scaleid'     => 100,
 177         ];
 178
 179         // Rate all courses as u1, and something else in the same context.
 180         $this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
 181         $this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
 182         $this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
 183         $this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
 184         $this->rate_as_user($u1->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 10);
 185
 186         // Rate course2 as u2, and something else in a different context/component..
 187         $this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
 188         $this->rate_as_user($u2->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 20);
 189
 190         // Test exports.
 191         // User 1 rated all three courses, and the core_course, and user 3.
 192         // User 1::course1 is stored in [] subcontext.
 193         $context = \context_course::instance($course1->id);
 194         $subcontext = [];
 195         provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course1->id, true);
 196
 197         $writer = writer::with_context($context);
 198         $this->assertTrue($writer->has_any_data());
 199         $rating = $writer->get_related_data($subcontext, 'rating');
 200         $this->assert_has_rating($u1, 25, $rating);
 201
 202         // User 1::course2 is stored in ['foo'] subcontext.
 203         $context = \context_course::instance($course2->id);
 204         $subcontext = ['foo'];
 205         provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course2->id, true);
 206
 207         $writer = writer::with_context($context);
 208         $this->assertTrue($writer->has_any_data());
 209         $result = $writer->get_related_data($subcontext, 'rating');
 210         $this->assertCount(1, $result);
 211         $this->assert_has_rating($u1, 50, $result);
 212
 213         // User 1::course3 is stored in ['foo'] subcontext.
 214         $context = \context_course::instance($course3->id);
 215         $subcontext = ['foo'];
 216         provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course3->id, true);
 217
 218         $writer = writer::with_context($context);
 219         $this->assertTrue($writer->has_any_data());
 220         $result = $writer->get_related_data($subcontext, 'rating');
 221         $this->assertCount(1, $result);
 222         $this->assert_has_rating($u1, 75, $result);
 223
 224         // User 1::course3::files is stored in ['foo', 'files'] subcontext.
 225         $context = \context_course::instance($course3->id);
 226         $subcontext = ['foo', 'files'];
 227         provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'files', $course3->id, true);
 228
 229         $writer = writer::with_context($context);
 230         $this->assertTrue($writer->has_any_data());
 231         $result = $writer->get_related_data($subcontext, 'rating');
 232         $this->assertCount(1, $result);
 233         $this->assert_has_rating($u1, 99, $result);
 234
 235         // Both users 1 and 2 rated user 3.
 236         // Exporting the data for user 3 should include both of those ratings.
 237         $context = \context_user::instance($u3->id);
 238         $subcontext = ['user'];
 239         provider::export_area_ratings($u3->id, $context, $subcontext, 'user', 'user', $u3->id, false);
 240
 241         $writer = writer::with_context($context);
 242         $this->assertTrue($writer->has_any_data());
 243         $result = $writer->get_related_data($subcontext, 'rating');
 244         $this->assertCount(2, $result);
 245         $this->assert_has_rating($u1, 10, $result);
 246         $this->assert_has_rating($u2, 20, $result);
 247     }
 248
 249     /**
 250      * Test delete_ratings() method.
 251      */
 252     public function test_delete_ratings() {
 253         global $DB;
 254         $this->resetAfterTest();
 255
 256         $course1 = $this->getDataGenerator()->create_course();
 257         $course2 = $this->getDataGenerator()->create_course();
 258         $course3 = $this->getDataGenerator()->create_course();
 259
 260         $u1 = $this->getDataGenerator()->create_user();
 261         $u2 = $this->getDataGenerator()->create_user();
 262         $u3 = $this->getDataGenerator()->create_user();
 263
 264         // Rate all courses as u1, and something else in the same context.
 265         $this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
 266         $this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
 267         $this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
 268         $this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
 269         $this->rate_as_user($u1->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 10);
 270
 271         // Rate course2 as u2, and something else in a different context/component..
 272         $this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
 273         $this->rate_as_user($u2->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 20);
 274
 275         // Delete all ratings in course1.
 276         $expectedratingscount = $DB->count_records('rating');
 277         core_rating\privacy\provider::delete_ratings(\context_course::instance($course1->id));
 278         $expectedratingscount -= 1;
 279         $this->assertEquals($expectedratingscount, $DB->count_records('rating'));
 280
 281         // Delete ratings in course2 specifying wrong component.
 282         core_rating\privacy\provider::delete_ratings(\context_course::instance($course2->id), 'other_component');
 283         $this->assertEquals($expectedratingscount, $DB->count_records('rating'));
 284
 285         // Delete ratings in course2 specifying correct component.
 286         core_rating\privacy\provider::delete_ratings(\context_course::instance($course2->id), 'core_course');
 287         $expectedratingscount -= 2;
 288         $this->assertEquals($expectedratingscount, $DB->count_records('rating'));
 289
 290         // Delete user ratings specifyng all attributes.
 291         core_rating\privacy\provider::delete_ratings(\context_user::instance($u3->id), 'core_user', 'user', $u3->id);
 292         $expectedratingscount -= 2;
 293         $this->assertEquals($expectedratingscount, $DB->count_records('rating'));
 294     }
 295
 296     /**
 297      * Test delete_ratings_select() method.
 298      */
 299     public function test_delete_ratings_select() {
 300         global $DB;
 301         $this->resetAfterTest();
 302
 303         $course1 = $this->getDataGenerator()->create_course();
 304         $course2 = $this->getDataGenerator()->create_course();
 305         $course3 = $this->getDataGenerator()->create_course();
 306
 307         $u1 = $this->getDataGenerator()->create_user();
 308         $u2 = $this->getDataGenerator()->create_user();
 309         $u3 = $this->getDataGenerator()->create_user();
 310
 311         // Rate all courses as u1, and something else in the same context.
 312         $this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
 313         $this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
 314         $this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
 315         $this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
 316         $this->rate_as_user($u1->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 10);
 317
 318         // Rate course2 as u2, and something else in a different context/component..
 319         $this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
 320         $this->rate_as_user($u2->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 20);
 321
 322         // Delete ratings in course1.
 323         list($sql, $params) = $DB->get_in_or_equal([$course1->id, $course2->id], SQL_PARAMS_NAMED);
 324         $expectedratingscount = $DB->count_records('rating');
 325         core_rating\privacy\provider::delete_ratings_select(\context_course::instance($course1->id),
 326             'core_course', 'course', $sql, $params);
 327         $expectedratingscount -= 1;
 328         $this->assertEquals($expectedratingscount, $DB->count_records('rating'));
 329     }
 330
 331     /**
 332      * Assert that a user has the correct rating.
 333      *
 334      * @param   \stdClass   $author The user with the rating
 335      * @param   int         $score The rating that was given
 336      * @param   \stdClass[] The ratings which were found
 337      */
 338     protected function assert_has_rating($author, $score, $actual) {
 339         $found = false;
 340         foreach ($actual as $rating) {
 341             if ($author->id == $rating->author) {
 342                 $found = true;
 343                 $this->assertEquals($score, $rating->rating);
 344             }
 345         }
 346         $this->assertTrue($found);
 347     }
 348 }