function ContainerAwareEventDispatcherTest::testGetListenersWithCallables

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 65

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Code

public function testGetListenersWithCallables() {
  // When passing in callables exclusively as listeners into the event
  // dispatcher constructor, the event dispatcher must not attempt to
  // resolve any services.
  $container = $this->getMockBuilder(ContainerInterface::class)
    ->getMock();
  $container->expects($this->never())
    ->method($this->anything());
  $firstListener = new CallableClass();
  $secondListener = function () {
  };
  $thirdListener = [
    new TestEventListener(),
    'preFoo',
  ];
  $listeners = [
    'test_event' => [
      0 => [
        [
          'callable' => $firstListener,
        ],
        [
          'callable' => $secondListener,
        ],
        [
          'callable' => $thirdListener,
        ],
      ],
    ],
  ];
  $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
  $actualListeners = $dispatcher->getListeners();
  $expectedListeners = [
    'test_event' => [
      $firstListener,
      $secondListener,
      $thirdListener,
    ],
  ];
  $this->assertSame($expectedListeners, $actualListeners);
}