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. /** * Testing the service layer within core_favourites. * * @package core_favourites * @category test * @copyright 2018 Jake Dallimore
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ use \core_favourites\local\entity\favourite; defined('MOODLE_INTERNAL') || die(); /** * Test class covering the user_favourite_service within the service layer of favourites. * * @copyright 2018 Jake Dallimore
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class user_favourite_service_testcase extends advanced_testcase { public function setUp() { $this->resetAfterTest(); } // Basic setup stuff to be reused in most tests. protected function setup_users_and_courses() { $user1 = self::getDataGenerator()->create_user(); $user1context = \context_user::instance($user1->id); $user2 = self::getDataGenerator()->create_user(); $user2context = \context_user::instance($user2->id); $course1 = self::getDataGenerator()->create_course(); $course2 = self::getDataGenerator()->create_course(); $course1context = context_course::instance($course1->id); $course2context = context_course::instance($course2->id); return [$user1context, $user2context, $course1context, $course2context]; } /** * Generates an in-memory repository for testing, using an array store for CRUD stuff. * * @param array $mockstore * @return \PHPUnit\Framework\MockObject\MockObject */ protected function get_mock_repository(array $mockstore) { // This mock will just store data in an array. $mockrepo = $this->getMockBuilder(\core_favourites\local\repository\favourite_repository_interface::class) ->setMethods([]) ->getMock(); $mockrepo->expects($this->any()) ->method('add') ->will($this->returnCallback(function(favourite $favourite) use (&$mockstore) { // Mock implementation of repository->add(), where an array is used instead of the DB. // Duplicates are confirmed via the unique key, and exceptions thrown just like a real repo. $key = $favourite->userid . $favourite->component . $favourite->itemtype . $favourite->itemid . $favourite->contextid; // Check the objects for the unique key. foreach ($mockstore as $item) { if ($item->uniquekey == $key) { throw new \moodle_exception('Favourite already exists'); } } $index = count($mockstore); // Integer index. $favourite->uniquekey = $key; // Simulate the unique key constraint. $favourite->id = $index; $mockstore[$index] = $favourite; return $mockstore[$index]; }) ); $mockrepo->expects($this->any()) ->method('find_by') ->will($this->returnCallback(function(array $criteria, int $limitfrom = 0, int $limitnum = 0) use (&$mockstore) { // Check the mockstore for all objects with properties matching the key => val pairs in $criteria. foreach ($mockstore as $index => $mockrow) { $mockrowarr = (array)$mockrow; if (array_diff_assoc($criteria, $mockrowarr) == []) { $returns[$index] = $mockrow; } } // Return a subset of the records, according to the paging options, if set. if ($limitnum != 0) { return array_slice($returns, $limitfrom, $limitnum); } // Otherwise, just return the full set. return $returns; }) ); $mockrepo->expects($this->any()) ->method('find_favourite') ->will($this->returnCallback(function(int $userid, string $comp, string $type, int $id, int $ctxid) use (&$mockstore) { // Check the mockstore for all objects with properties matching the key => val pairs in $criteria. $crit = ['userid' => $userid, 'component' => $comp, 'itemtype' => $type, 'itemid' => $id, 'contextid' => $ctxid]; foreach ($mockstore as $fakerow) { $fakerowarr = (array)$fakerow; if (array_diff_assoc($crit, $fakerowarr) == []) { return $fakerow; } } throw new \dml_missing_record_exception("Item not found"); }) ); $mockrepo->expects($this->any()) ->method('find') ->will($this->returnCallback(function(int $id) use (&$mockstore) { return $mockstore[$id]; }) ); $mockrepo->expects($this->any()) ->method('exists') ->will($this->returnCallback(function(int $id) use (&$mockstore) { return array_key_exists($id, $mockstore); }) ); $mockrepo->expects($this->any()) ->method('count_by') ->will($this->returnCallback(function(array $criteria) use (&$mockstore) { $count = 0; // Check the mockstore for all objects with properties matching the key => val pairs in $criteria. foreach ($mockstore as $index => $mockrow) { $mockrowarr = (array)$mockrow; if (array_diff_assoc($criteria, $mockrowarr) == []) { $count++; } } return $count; }) ); $mockrepo->expects($this->any()) ->method('delete') ->will($this->returnCallback(function(int $id) use (&$mockstore) { foreach ($mockstore as $mockrow) { if ($mockrow->id == $id) { unset($mockstore[$id]); } } }) ); $mockrepo->expects($this->any()) ->method('exists_by') ->will($this->returnCallback(function(array $criteria) use (&$mockstore) { // Check the mockstore for all objects with properties matching the key => val pairs in $criteria. foreach ($mockstore as $index => $mockrow) { $mockrowarr = (array)$mockrow; if (array_diff_assoc($criteria, $mockrowarr) == []) { return true; } } return false; }) ); return $mockrepo; } /** * Test getting a user_favourite_service from the static locator. */ public function test_get_service_for_user_context() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); $userservice = \core_favourites\service_factory::get_service_for_user_context($user1context); $this->assertInstanceOf(\core_favourites\local\service\user_favourite_service::class, $userservice); } /** * Test confirming an item can be favourited only once. */ public function test_create_favourite_basic() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for a user. $repo = $this->get_mock_repository([]); // Mock repository, using the array as a mock DB. $user1service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite a course. $favourite1 = $user1service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $this->assertObjectHasAttribute('id', $favourite1); // Try to favourite the same course again. $this->expectException('moodle_exception'); $user1service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); } /** * Test confirming that an exception is thrown if trying to favourite an item for a non-existent component. */ public function test_create_favourite_nonexistent_component() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); // Mock repository, using the array as a mock DB. $user1service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Try to favourite something in a non-existent component. $this->expectException('moodle_exception'); $user1service->create_favourite('core_cccourse', 'my_area', $course1context->instanceid, $course1context); } /** * Test fetching favourites for single user, by area. */ public function test_find_favourites_by_type_single_user() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); // Mock repository, using the array as a mock DB. $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite 2 courses, in separate areas. $fav1 = $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $fav2 = $service->create_favourite('core_course', 'anothertype', $course2context->instanceid, $course2context); // Verify we can get favourites by area. $favourites = $service->find_favourites_by_type('core_course', 'course'); $this->assertInternalType('array', $favourites); $this->assertCount(1, $favourites); // We only get favourites for the 'core_course/course' area. $this->assertAttributeEquals($fav1->id, 'id', $favourites[$fav1->id]); $favourites = $service->find_favourites_by_type('core_course', 'anothertype'); $this->assertInternalType('array', $favourites); $this->assertCount(1, $favourites); // We only get favourites for the 'core_course/course' area. $this->assertAttributeEquals($fav2->id, 'id', $favourites[$fav2->id]); } /** * Make sure the find_favourites_by_type() method only returns favourites for the scoped user. */ public function test_find_favourites_by_type_multiple_users() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for 2 users. $repo = $this->get_mock_repository([]); $user1service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); $user2service = new \core_favourites\local\service\user_favourite_service($user2context, $repo); // Now, as each user, favourite the same course. $fav1 = $user1service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $fav2 = $user2service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); // Verify find_favourites_by_type only returns results for the user to which the service is scoped. $user1favourites = $user1service->find_favourites_by_type('core_course', 'course'); $this->assertInternalType('array', $user1favourites); $this->assertCount(1, $user1favourites); // We only get favourites for the 'core_course/course' area for $user1. $this->assertAttributeEquals($fav1->id, 'id', $user1favourites[$fav1->id]); $user2favourites = $user2service->find_favourites_by_type('core_course', 'course'); $this->assertInternalType('array', $user2favourites); $this->assertCount(1, $user2favourites); // We only get favourites for the 'core_course/course' area for $user2. $this->assertAttributeEquals($fav2->id, 'id', $user2favourites[$fav2->id]); } /** * Test confirming that an exception is thrown if trying to get favourites for a non-existent component. */ public function test_find_favourites_by_type_nonexistent_component() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Verify we get an exception if we try to search for favourites in an invalid component. $this->expectException('moodle_exception'); $service->find_favourites_by_type('cccore_notreal', 'something'); } /** * Test confirming the pagination support for the find_favourites_by_type() method. */ public function test_find_favourites_by_type_pagination() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite 10 arbitrary items. foreach (range(1, 10) as $i) { $service->create_favourite('core_course', 'course', $i, $course1context); } // Verify we have 10 favourites. $this->assertCount(10, $service->find_favourites_by_type('core_course', 'course')); // Verify we get back 5 favourites for page 1. $favourites = $service->find_favourites_by_type('core_course', 'course', 0, 5); $this->assertCount(5, $favourites); // Verify we get back 5 favourites for page 2. $favourites = $service->find_favourites_by_type('core_course', 'course', 5, 5); $this->assertCount(5, $favourites); // Verify we get back an empty array if querying page 3. $favourites = $service->find_favourites_by_type('core_course', 'course', 10, 5); $this->assertCount(0, $favourites); } /** * Test confirming the basic deletion behaviour. */ public function test_delete_favourite_basic() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite a course. $fav1 = $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $this->assertTrue($repo->exists($fav1->id)); // Delete the favourite. $service->delete_favourite('core_course', 'course', $course1context->instanceid, $course1context); // Verify the favourite doesn't exist. $this->assertFalse($repo->exists($fav1->id)); // Try to delete a favourite which we know doesn't exist. $this->expectException(\moodle_exception::class); $service->delete_favourite('core_course', 'course', $course1context->instanceid, $course1context); } /** * Test confirming the behaviour of the favourite_exists() method. */ public function test_favourite_exists() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite a course. $fav1 = $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); // Verify we can check existence of the favourite. $this->assertTrue( $service->favourite_exists( 'core_course', 'course', $course1context->instanceid, $course1context ) ); // And one that we know doesn't exist. $this->assertFalse( $service->favourite_exists( 'core_course', 'someothertype', $course1context->instanceid, $course1context ) ); } /** * Test confirming the behaviour of the get_favourite() method. */ public function test_get_favourite() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite a course. $fav1 = $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $result = $service->get_favourite( 'core_course', 'course', $course1context->instanceid, $course1context ); // Verify we can get the favourite. $this->assertEquals($fav1->id, $result->id); // And one that we know doesn't exist. $this->assertNull( $service->get_favourite( 'core_course', 'someothertype', $course1context->instanceid, $course1context ) ); } /** * Test confirming the behaviour of the count_favourites_by_type() method. */ public function test_count_favourites_by_type() { list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. $repo = $this->get_mock_repository([]); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); $this->assertEquals(0, $service->count_favourites_by_type('core_course', 'course', $course1context)); // Favourite a course. $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); $this->assertEquals(1, $service->count_favourites_by_type('core_course', 'course', $course1context)); // Favourite another course. $service->create_favourite('core_course', 'course', $course2context->instanceid, $course1context); $this->assertEquals(2, $service->count_favourites_by_type('core_course', 'course', $course1context)); // Favourite a course in another context. $service->create_favourite('core_course', 'course', $course2context->instanceid, $course2context); // Doesn't affect original context. $this->assertEquals(2, $service->count_favourites_by_type('core_course', 'course', $course1context)); // Gets counted if we include all contexts. $this->assertEquals(3, $service->count_favourites_by_type('core_course', 'course')); } /** * Verify that the join sql generated by get_join_sql_by_type is valid and can be used to include favourite information. */ public function test_get_join_sql_by_type() { global $DB; list($user1context, $user2context, $course1context, $course2context) = $this->setup_users_and_courses(); // Get a user_favourite_service for the user. // We need to use a real (DB) repository, as we want to run the SQL. $repo = new \core_favourites\local\repository\favourite_repository(); $service = new \core_favourites\local\service\user_favourite_service($user1context, $repo); // Favourite the first course only. $service->create_favourite('core_course', 'course', $course1context->instanceid, $course1context); // Generate the join snippet. list($favsql, $favparams) = $service->get_join_sql_by_type('core_course', 'course', 'favalias', 'c.id'); // Join against a simple select, including the 2 courses only. $params = ['courseid1' => $course1context->instanceid, 'courseid2' => $course2context->instanceid]; $params = $params + $favparams; $records = $DB->get_records_sql("SELECT c.id, favalias.component FROM {course} c $favsql WHERE c.id = :courseid1 OR c.id = :courseid2", $params); // Verify the favourite information is returned, but only for the favourited course. $this->assertCount(2, $records); $this->assertEquals('core_course', $records[$course1context->instanceid]->component); $this->assertEmpty($records[$course2context->instanceid]->component); } }