Elgg\Notifications\NotificationsServiceTestCase::testCanNotifyUser PHP Method

    public function testCanNotifyUser()
    {
        $object = $this->getTestObject();
        $from = $this->mocks()->getUser();
        $to1 = $this->mocks()->getUser();
        $to2 = $this->mocks()->getUser();
        create_metadata($to2->guid, 'notification:method:test_method', true, '', $to2->guid, ACCESS_PUBLIC);
        $to3 = $this->mocks()->getUser();
        $subject = 'Test message';
        $body = 'Lorem ipsum';
        $event = new InstantNotificationEvent($object, 'notify_user', $from);
        $this->hooks->registerHandler('get', 'subscriptions', function ($hook, $type, $return) use($to3) {
            $return[$to3->guid] = ['test_method'];
            return $return;
        });
        $this->hooks->registerHandler('prepare', 'notification', function ($hook, $type, $notification) {
            $notification->prepare_hook = true;
            return $notification;
        });
        $this->hooks->registerHandler('prepare', "notification:{$event->getDescription()}", function ($hook, $type, $notification) {
            $notification->granular_prepare_hook = true;
            return $notification;
        });
        $this->hooks->registerHandler('format', 'notification:test_method', function ($hook, $type, $notification) {
            $notification->format_hook = true;
            return $notification;
        });
        $sent = 0;
        $this->hooks->registerHandler('send', 'notification:test_method', function ($hook, $type, $return, $params) use(&$sent, $subject, $body, $event) {
            $sent++;
            $notification = $params['notification'];
            $this->assertInstanceOf(Notification::class, $notification);
            $this->assertEquals($notification->subject, $subject);
            $this->assertEquals($notification->body, $body);
            $this->assertEquals($notification->summary, $subject);
            $this->assertEquals($event, $params['event']);
            $this->assertTrue($notification->prepare_hook);
            $this->assertTrue($notification->granular_prepare_hook);
            $this->assertTrue($notification->format_hook);
            return true;
        });
        $this->setupServices();
        $this->notifications->registerMethod('test_method');
        $this->notifications->registerMethod('test_method2');
        $expected = [$to2->guid => ['test_method' => true], $to3->guid => ['test_method' => true]];
        $this->assertEquals($expected, notify_user([$to1->guid, $to2->guid, 0], $from->guid, $subject, $body, ['object' => $object, 'summary' => $subject]));
        $this->assertEquals(2, $sent);
    }