123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398 |
- <?php
- namespace Symfony\Component\EventDispatcher\Tests;
- use PHPUnit\Framework\TestCase;
- use Symfony\Component\EventDispatcher\Event;
- use Symfony\Component\EventDispatcher\EventDispatcher;
- use Symfony\Component\EventDispatcher\EventSubscriberInterface;
- abstract class AbstractEventDispatcherTest extends TestCase
- {
-
- const preFoo = 'pre.foo';
- const postFoo = 'post.foo';
- const preBar = 'pre.bar';
- const postBar = 'post.bar';
-
- private $dispatcher;
- private $listener;
- protected function setUp()
- {
- $this->dispatcher = $this->createEventDispatcher();
- $this->listener = new TestEventListener();
- }
- protected function tearDown()
- {
- $this->dispatcher = null;
- $this->listener = null;
- }
- abstract protected function createEventDispatcher();
- public function testInitialState()
- {
- $this->assertEquals(array(), $this->dispatcher->getListeners());
- $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
- $this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
- }
- public function testAddListener()
- {
- $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
- $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
- $this->assertTrue($this->dispatcher->hasListeners());
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
- $this->assertCount(1, $this->dispatcher->getListeners(self::preFoo));
- $this->assertCount(1, $this->dispatcher->getListeners(self::postFoo));
- $this->assertCount(2, $this->dispatcher->getListeners());
- }
- public function testGetListenersSortsByPriority()
- {
- $listener1 = new TestEventListener();
- $listener2 = new TestEventListener();
- $listener3 = new TestEventListener();
- $listener1->name = '1';
- $listener2->name = '2';
- $listener3->name = '3';
- $this->dispatcher->addListener('pre.foo', array($listener1, 'preFoo'), -10);
- $this->dispatcher->addListener('pre.foo', array($listener2, 'preFoo'), 10);
- $this->dispatcher->addListener('pre.foo', array($listener3, 'preFoo'));
- $expected = array(
- array($listener2, 'preFoo'),
- array($listener3, 'preFoo'),
- array($listener1, 'preFoo'),
- );
- $this->assertSame($expected, $this->dispatcher->getListeners('pre.foo'));
- }
- public function testGetAllListenersSortsByPriority()
- {
- $listener1 = new TestEventListener();
- $listener2 = new TestEventListener();
- $listener3 = new TestEventListener();
- $listener4 = new TestEventListener();
- $listener5 = new TestEventListener();
- $listener6 = new TestEventListener();
- $this->dispatcher->addListener('pre.foo', $listener1, -10);
- $this->dispatcher->addListener('pre.foo', $listener2);
- $this->dispatcher->addListener('pre.foo', $listener3, 10);
- $this->dispatcher->addListener('post.foo', $listener4, -10);
- $this->dispatcher->addListener('post.foo', $listener5);
- $this->dispatcher->addListener('post.foo', $listener6, 10);
- $expected = array(
- 'pre.foo' => array($listener3, $listener2, $listener1),
- 'post.foo' => array($listener6, $listener5, $listener4),
- );
- $this->assertSame($expected, $this->dispatcher->getListeners());
- }
- public function testGetListenerPriority()
- {
- $listener1 = new TestEventListener();
- $listener2 = new TestEventListener();
- $this->dispatcher->addListener('pre.foo', $listener1, -10);
- $this->dispatcher->addListener('pre.foo', $listener2);
- $this->assertSame(-10, $this->dispatcher->getListenerPriority('pre.foo', $listener1));
- $this->assertSame(0, $this->dispatcher->getListenerPriority('pre.foo', $listener2));
- $this->assertNull($this->dispatcher->getListenerPriority('pre.bar', $listener2));
- $this->assertNull($this->dispatcher->getListenerPriority('pre.foo', function () {}));
- }
- public function testDispatch()
- {
- $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
- $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
- $this->dispatcher->dispatch(self::preFoo);
- $this->assertTrue($this->listener->preFooInvoked);
- $this->assertFalse($this->listener->postFooInvoked);
- $this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch('noevent'));
- $this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch(self::preFoo));
- $event = new Event();
- $return = $this->dispatcher->dispatch(self::preFoo, $event);
- $this->assertSame($event, $return);
- }
-
- public function testLegacyDispatch()
- {
- $event = new Event();
- $this->dispatcher->dispatch(self::preFoo, $event);
- $this->assertEquals('pre.foo', $event->getName());
- }
- public function testDispatchForClosure()
- {
- $invoked = 0;
- $listener = function () use (&$invoked) {
- ++$invoked;
- };
- $this->dispatcher->addListener('pre.foo', $listener);
- $this->dispatcher->addListener('post.foo', $listener);
- $this->dispatcher->dispatch(self::preFoo);
- $this->assertEquals(1, $invoked);
- }
- public function testStopEventPropagation()
- {
- $otherListener = new TestEventListener();
-
-
-
- $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'), 10);
- $this->dispatcher->addListener('post.foo', array($otherListener, 'postFoo'));
- $this->dispatcher->dispatch(self::postFoo);
- $this->assertTrue($this->listener->postFooInvoked);
- $this->assertFalse($otherListener->postFooInvoked);
- }
- public function testDispatchByPriority()
- {
- $invoked = array();
- $listener1 = function () use (&$invoked) {
- $invoked[] = '1';
- };
- $listener2 = function () use (&$invoked) {
- $invoked[] = '2';
- };
- $listener3 = function () use (&$invoked) {
- $invoked[] = '3';
- };
- $this->dispatcher->addListener('pre.foo', $listener1, -10);
- $this->dispatcher->addListener('pre.foo', $listener2);
- $this->dispatcher->addListener('pre.foo', $listener3, 10);
- $this->dispatcher->dispatch(self::preFoo);
- $this->assertEquals(array('3', '2', '1'), $invoked);
- }
- public function testRemoveListener()
- {
- $this->dispatcher->addListener('pre.bar', $this->listener);
- $this->assertTrue($this->dispatcher->hasListeners(self::preBar));
- $this->dispatcher->removeListener('pre.bar', $this->listener);
- $this->assertFalse($this->dispatcher->hasListeners(self::preBar));
- $this->dispatcher->removeListener('notExists', $this->listener);
- }
- public function testAddSubscriber()
- {
- $eventSubscriber = new TestEventSubscriber();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
- }
- public function testAddSubscriberWithPriorities()
- {
- $eventSubscriber = new TestEventSubscriber();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $eventSubscriber = new TestEventSubscriberWithPriorities();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $listeners = $this->dispatcher->getListeners('pre.foo');
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertCount(2, $listeners);
- $this->assertInstanceOf('Symfony\Component\EventDispatcher\Tests\TestEventSubscriberWithPriorities', $listeners[0][0]);
- }
- public function testAddSubscriberWithMultipleListeners()
- {
- $eventSubscriber = new TestEventSubscriberWithMultipleListeners();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $listeners = $this->dispatcher->getListeners('pre.foo');
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertCount(2, $listeners);
- $this->assertEquals('preFoo2', $listeners[0][1]);
- }
- public function testRemoveSubscriber()
- {
- $eventSubscriber = new TestEventSubscriber();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
- $this->dispatcher->removeSubscriber($eventSubscriber);
- $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
- $this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
- }
- public function testRemoveSubscriberWithPriorities()
- {
- $eventSubscriber = new TestEventSubscriberWithPriorities();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->dispatcher->removeSubscriber($eventSubscriber);
- $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
- }
- public function testRemoveSubscriberWithMultipleListeners()
- {
- $eventSubscriber = new TestEventSubscriberWithMultipleListeners();
- $this->dispatcher->addSubscriber($eventSubscriber);
- $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
- $this->assertCount(2, $this->dispatcher->getListeners(self::preFoo));
- $this->dispatcher->removeSubscriber($eventSubscriber);
- $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
- }
-
- public function testLegacyEventReceivesTheDispatcherInstance()
- {
- $dispatcher = null;
- $this->dispatcher->addListener('test', function ($event) use (&$dispatcher) {
- $dispatcher = $event->getDispatcher();
- });
- $this->dispatcher->dispatch('test');
- $this->assertSame($this->dispatcher, $dispatcher);
- }
- public function testEventReceivesTheDispatcherInstanceAsArgument()
- {
- $listener = new TestWithDispatcher();
- $this->dispatcher->addListener('test', array($listener, 'foo'));
- $this->assertNull($listener->name);
- $this->assertNull($listener->dispatcher);
- $this->dispatcher->dispatch('test');
- $this->assertEquals('test', $listener->name);
- $this->assertSame($this->dispatcher, $listener->dispatcher);
- }
-
- public function testWorkaroundForPhpBug62976()
- {
- $dispatcher = $this->createEventDispatcher();
- $dispatcher->addListener('bug.62976', new CallableClass());
- $dispatcher->removeListener('bug.62976', function () {});
- $this->assertTrue($dispatcher->hasListeners('bug.62976'));
- }
- public function testHasListenersWhenAddedCallbackListenerIsRemoved()
- {
- $listener = function () {};
- $this->dispatcher->addListener('foo', $listener);
- $this->dispatcher->removeListener('foo', $listener);
- $this->assertFalse($this->dispatcher->hasListeners());
- }
- public function testGetListenersWhenAddedCallbackListenerIsRemoved()
- {
- $listener = function () {};
- $this->dispatcher->addListener('foo', $listener);
- $this->dispatcher->removeListener('foo', $listener);
- $this->assertSame(array(), $this->dispatcher->getListeners());
- }
- public function testHasListenersWithoutEventsReturnsFalseAfterHasListenersWithEventHasBeenCalled()
- {
- $this->assertFalse($this->dispatcher->hasListeners('foo'));
- $this->assertFalse($this->dispatcher->hasListeners());
- }
- }
- class CallableClass
- {
- public function __invoke()
- {
- }
- }
- class TestEventListener
- {
- public $preFooInvoked = false;
- public $postFooInvoked = false;
-
- public function preFoo(Event $e)
- {
- $this->preFooInvoked = true;
- }
- public function postFoo(Event $e)
- {
- $this->postFooInvoked = true;
- $e->stopPropagation();
- }
- }
- class TestWithDispatcher
- {
- public $name;
- public $dispatcher;
- public function foo(Event $e, $name, $dispatcher)
- {
- $this->name = $name;
- $this->dispatcher = $dispatcher;
- }
- }
- class TestEventSubscriber implements EventSubscriberInterface
- {
- public static function getSubscribedEvents()
- {
- return array('pre.foo' => 'preFoo', 'post.foo' => 'postFoo');
- }
- }
- class TestEventSubscriberWithPriorities implements EventSubscriberInterface
- {
- public static function getSubscribedEvents()
- {
- return array(
- 'pre.foo' => array('preFoo', 10),
- 'post.foo' => array('postFoo'),
- );
- }
- }
- class TestEventSubscriberWithMultipleListeners implements EventSubscriberInterface
- {
- public static function getSubscribedEvents()
- {
- return array('pre.foo' => array(
- array('preFoo1'),
- array('preFoo2', 10),
- ));
- }
- }
|