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<?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 the core_rating implementation of the Privacy API.
*
* @package core_rating
* @category test
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/rating/lib.php');
use \core_rating\privacy\provider;
use \core_privacy\local\request\writer;
/**
* Unit tests for the core_rating implementation of the Privacy API.
*
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_rating_privacy_testcase extends \core_privacy\tests\provider_testcase {
/**
* Rate something as a user.
*
* @param int $userid
* @param string $component
* @param string $ratingarea
* @param int $itemid
* @param \context $context
* @param string $score
*/
protected function rate_as_user($userid, $component, $ratingarea, $itemid, $context, $score) {
// Rate the courses.
$rm = new rating_manager();
$ratingoptions = (object) [
'component' => $component,
'ratingarea' => $ratingarea,
'scaleid' => 100,
];
// Rate all courses as u1, and the course category too..
$ratingoptions->itemid = $itemid;
$ratingoptions->userid = $userid;
$ratingoptions->context = $context;
$rating = new \rating($ratingoptions);
$rating->update_rating($score);
}
/**
* Ensure that the get_sql_join function returns valid SQL which returns the correct list of rated itemids.
*/
public function test_get_sql_join() {
global $DB;
$this->resetAfterTest();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
// Rate the courses.
$rm = new rating_manager();
$ratingoptions = (object) [
'component' => 'core_course',
'ratingarea' => 'course',
'scaleid' => 100,
];
// Rate all courses as u1, and something else in the same context.
$this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
$this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
$this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
$this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
// Rate course2 as u2, and something else in a different context/component..
$this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
$this->rate_as_user($u2->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 10);
// Return any course which the u1 has rated.
// u1 rated all three courses.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u1->id);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(3, $courses);
$this->assertTrue(isset($courses[$course1->id]));
$this->assertTrue(isset($courses[$course2->id]));
$this->assertTrue(isset($courses[$course3->id]));
// User u1 rated files in course 3 only.
$ratingquery = provider::get_sql_join('r', 'core_course', 'files', 'c.id', $u1->id);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertFalse(isset($courses[$course2->id]));
$this->assertTrue(isset($courses[$course3->id]));
// Return any course which the u2 has rated.
// User u2 rated only course 2.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u2->id);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertTrue(isset($courses[$course2->id]));
$this->assertFalse(isset($courses[$course3->id]));
// User u2 rated u3.
$ratingquery = provider::get_sql_join('r', 'user', 'user', 'u.id', $u2->id);
$sql = "SELECT u.id FROM {user} u {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$users = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $users);
$this->assertFalse(isset($users[$u1->id]));
$this->assertFalse(isset($users[$u2->id]));
$this->assertTrue(isset($users[$u3->id]));
// Return any course which the u3 has rated.
// User u3 did not rate anything.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u3->id);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(0, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertFalse(isset($courses[$course2->id]));
$this->assertFalse(isset($courses[$course3->id]));
}
/**
* Ensure that the get_sql_join function returns valid SQL which returns the correct list of rated itemids.
* This makes use of the optional inner join argument.
*/
public function test_get_sql_join_inner() {
global $DB;
$this->resetAfterTest();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
// Rate the courses.
$rm = new rating_manager();
$ratingoptions = (object) [
'component' => 'core_course',
'ratingarea' => 'course',
'scaleid' => 100,
];
// Rate all courses as u1, and something else in the same context.
$this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
$this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
$this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
$this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
// Rate course2 as u2, and something else in a different context/component..
$this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
$this->rate_as_user($u2->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 10);
// Return any course which the u1 has rated.
// u1 rated all three courses.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u1->id, true);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(3, $courses);
$this->assertTrue(isset($courses[$course1->id]));
$this->assertTrue(isset($courses[$course2->id]));
$this->assertTrue(isset($courses[$course3->id]));
// User u1 rated files in course 3 only.
$ratingquery = provider::get_sql_join('r', 'core_course', 'files', 'c.id', $u1->id, true);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertFalse(isset($courses[$course2->id]));
$this->assertTrue(isset($courses[$course3->id]));
// Return any course which the u2 has rated.
// User u2 rated only course 2.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u2->id, true);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertTrue(isset($courses[$course2->id]));
$this->assertFalse(isset($courses[$course3->id]));
// User u2 rated u3.
$ratingquery = provider::get_sql_join('r', 'user', 'user', 'u.id', $u2->id, true);
$sql = "SELECT u.id FROM {user} u {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$users = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(1, $users);
$this->assertFalse(isset($users[$u1->id]));
$this->assertFalse(isset($users[$u2->id]));
$this->assertTrue(isset($users[$u3->id]));
// Return any course which the u3 has rated.
// User u3 did not rate anything.
$ratingquery = provider::get_sql_join('r', 'core_course', 'course', 'c.id', $u3->id, true);
$sql = "SELECT c.id FROM {course} c {$ratingquery->join} WHERE {$ratingquery->userwhere}";
$courses = $DB->get_records_sql($sql, $ratingquery->params);
$this->assertCount(0, $courses);
$this->assertFalse(isset($courses[$course1->id]));
$this->assertFalse(isset($courses[$course2->id]));
$this->assertFalse(isset($courses[$course3->id]));
}
/**
* Ensure that export_area_ratings exports all ratings that a user has made, and all ratings for a users own content.
*/
public function test_export_area_ratings() {
global $DB;
$this->resetAfterTest();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
// Rate the courses.
$rm = new rating_manager();
$ratingoptions = (object) [
'component' => 'core_course',
'ratingarea' => 'course',
'scaleid' => 100,
];
// Rate all courses as u1, and something else in the same context.
$this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
$this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
$this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
$this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
$this->rate_as_user($u1->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 10);
// Rate course2 as u2, and something else in a different context/component..
$this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
$this->rate_as_user($u2->id, 'user', 'user', $u3->id, \context_user::instance($u3->id), 20);
// Test exports.
// User 1 rated all three courses, and the core_course, and user 3.
// User 1::course1 is stored in [] subcontext.
$context = \context_course::instance($course1->id);
$subcontext = [];
provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course1->id, true);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$rating = $writer->get_related_data($subcontext, 'rating');
$this->assert_has_rating($u1, 25, $rating);
// User 1::course2 is stored in ['foo'] subcontext.
$context = \context_course::instance($course2->id);
$subcontext = ['foo'];
provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course2->id, true);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$result = $writer->get_related_data($subcontext, 'rating');
$this->assertCount(1, $result);
$this->assert_has_rating($u1, 50, $result);
// User 1::course3 is stored in ['foo'] subcontext.
$context = \context_course::instance($course3->id);
$subcontext = ['foo'];
provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'course', $course3->id, true);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$result = $writer->get_related_data($subcontext, 'rating');
$this->assertCount(1, $result);
$this->assert_has_rating($u1, 75, $result);
// User 1::course3::files is stored in ['foo', 'files'] subcontext.
$context = \context_course::instance($course3->id);
$subcontext = ['foo', 'files'];
provider::export_area_ratings($u1->id, $context, $subcontext, 'core_course', 'files', $course3->id, true);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$result = $writer->get_related_data($subcontext, 'rating');
$this->assertCount(1, $result);
$this->assert_has_rating($u1, 99, $result);
// Both users 1 and 2 rated user 3.
// Exporting the data for user 3 should include both of those ratings.
$context = \context_user::instance($u3->id);
$subcontext = ['user'];
provider::export_area_ratings($u3->id, $context, $subcontext, 'user', 'user', $u3->id, false);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$result = $writer->get_related_data($subcontext, 'rating');
$this->assertCount(2, $result);
$this->assert_has_rating($u1, 10, $result);
$this->assert_has_rating($u2, 20, $result);
}
/**
* Test delete_ratings() method.
*/
public function test_delete_ratings() {
global $DB;
$this->resetAfterTest();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
// Rate all courses as u1, and something else in the same context.
$this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
$this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
$this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
$this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
$this->rate_as_user($u1->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 10);
// Rate course2 as u2, and something else in a different context/component..
$this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
$this->rate_as_user($u2->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 20);
// Delete all ratings in course1.
$expectedratingscount = $DB->count_records('rating');
core_rating\privacy\provider::delete_ratings(\context_course::instance($course1->id));
$expectedratingscount -= 1;
$this->assertEquals($expectedratingscount, $DB->count_records('rating'));
// Delete ratings in course2 specifying wrong component.
core_rating\privacy\provider::delete_ratings(\context_course::instance($course2->id), 'other_component');
$this->assertEquals($expectedratingscount, $DB->count_records('rating'));
// Delete ratings in course2 specifying correct component.
core_rating\privacy\provider::delete_ratings(\context_course::instance($course2->id), 'core_course');
$expectedratingscount -= 2;
$this->assertEquals($expectedratingscount, $DB->count_records('rating'));
// Delete user ratings specifyng all attributes.
core_rating\privacy\provider::delete_ratings(\context_user::instance($u3->id), 'core_user', 'user', $u3->id);
$expectedratingscount -= 2;
$this->assertEquals($expectedratingscount, $DB->count_records('rating'));
}
/**
* Test delete_ratings_select() method.
*/
public function test_delete_ratings_select() {
global $DB;
$this->resetAfterTest();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
// Rate all courses as u1, and something else in the same context.
$this->rate_as_user($u1->id, 'core_course', 'course', $course1->id, \context_course::instance($course1->id), 25);
$this->rate_as_user($u1->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 50);
$this->rate_as_user($u1->id, 'core_course', 'course', $course3->id, \context_course::instance($course3->id), 75);
$this->rate_as_user($u1->id, 'core_course', 'files', $course3->id, \context_course::instance($course3->id), 99);
$this->rate_as_user($u1->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 10);
// Rate course2 as u2, and something else in a different context/component..
$this->rate_as_user($u2->id, 'core_course', 'course', $course2->id, \context_course::instance($course2->id), 90);
$this->rate_as_user($u2->id, 'core_user', 'user', $u3->id, \context_user::instance($u3->id), 20);
// Delete ratings in course1.
list($sql, $params) = $DB->get_in_or_equal([$course1->id, $course2->id], SQL_PARAMS_NAMED);
$expectedratingscount = $DB->count_records('rating');
core_rating\privacy\provider::delete_ratings_select(\context_course::instance($course1->id),
'core_course', 'course', $sql, $params);
$expectedratingscount -= 1;
$this->assertEquals($expectedratingscount, $DB->count_records('rating'));
}
/**
* Assert that a user has the correct rating.
*
* @param \stdClass $author The user with the rating
* @param int $score The rating that was given
* @param \stdClass[] The ratings which were found
*/
protected function assert_has_rating($author, $score, $actual) {
$found = false;
foreach ($actual as $rating) {
if ($author->id == $rating->author) {
$found = true;
$this->assertEquals($score, $rating->rating);
}
}
$this->assertTrue($found);
}
}