--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests\Debug;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher;
+use Symfony\Component\EventDispatcher\Debug\WrappedListener;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+class TraceableEventDispatcherTest extends TestCase
+{
+ public function testAddRemoveListener()
+ {
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+ $tdispatcher->addListener('foo', $listener = function () {});
+ $listeners = $dispatcher->getListeners('foo');
+ $this->assertCount(1, $listeners);
+ $this->assertSame($listener, $listeners[0]);
+
+ $tdispatcher->removeListener('foo', $listener);
+ $this->assertCount(0, $dispatcher->getListeners('foo'));
+ }
+
+ public function testGetListeners()
+ {
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+ $tdispatcher->addListener('foo', $listener = function () {});
+ $this->assertSame($dispatcher->getListeners('foo'), $tdispatcher->getListeners('foo'));
+ }
+
+ public function testHasListeners()
+ {
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+ $this->assertFalse($dispatcher->hasListeners('foo'));
+ $this->assertFalse($tdispatcher->hasListeners('foo'));
+
+ $tdispatcher->addListener('foo', $listener = function () {});
+ $this->assertTrue($dispatcher->hasListeners('foo'));
+ $this->assertTrue($tdispatcher->hasListeners('foo'));
+ }
+
+ public function testGetListenerPriority()
+ {
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+ $tdispatcher->addListener('foo', function () {}, 123);
+
+ $listeners = $dispatcher->getListeners('foo');
+ $this->assertSame(123, $tdispatcher->getListenerPriority('foo', $listeners[0]));
+
+ // Verify that priority is preserved when listener is removed and re-added
+ // in preProcess() and postProcess().
+ $tdispatcher->dispatch('foo', new Event());
+ $listeners = $dispatcher->getListeners('foo');
+ $this->assertSame(123, $tdispatcher->getListenerPriority('foo', $listeners[0]));
+ }
+
+ public function testGetListenerPriorityReturnsZeroWhenWrappedMethodDoesNotExist()
+ {
+ $dispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
+ $traceableEventDispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+ $traceableEventDispatcher->addListener('foo', function () {}, 123);
+ $listeners = $traceableEventDispatcher->getListeners('foo');
+
+ $this->assertSame(0, $traceableEventDispatcher->getListenerPriority('foo', $listeners[0]));
+ }
+
+ public function testAddRemoveSubscriber()
+ {
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+ $subscriber = new EventSubscriber();
+
+ $tdispatcher->addSubscriber($subscriber);
+ $listeners = $dispatcher->getListeners('foo');
+ $this->assertCount(1, $listeners);
+ $this->assertSame(array($subscriber, 'call'), $listeners[0]);
+
+ $tdispatcher->removeSubscriber($subscriber);
+ $this->assertCount(0, $dispatcher->getListeners('foo'));
+ }
+
+ /**
+ * @dataProvider isWrappedDataProvider
+ *
+ * @param bool $isWrapped
+ */
+ public function testGetCalledListeners($isWrapped)
+ {
+ $dispatcher = new EventDispatcher();
+ $stopWatch = new Stopwatch();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, $stopWatch);
+
+ $listener = function () {};
+ if ($isWrapped) {
+ $listener = new WrappedListener($listener, 'foo', $stopWatch, $dispatcher);
+ }
+
+ $tdispatcher->addListener('foo', $listener, 5);
+
+ $this->assertEquals(array(), $tdispatcher->getCalledListeners());
+ $this->assertEquals(array('foo.closure' => array('event' => 'foo', 'type' => 'Closure', 'pretty' => 'closure', 'priority' => 5)), $tdispatcher->getNotCalledListeners());
+
+ $tdispatcher->dispatch('foo');
+
+ $this->assertEquals(array('foo.closure' => array('event' => 'foo', 'type' => 'Closure', 'pretty' => 'closure', 'priority' => 5)), $tdispatcher->getCalledListeners());
+ $this->assertEquals(array(), $tdispatcher->getNotCalledListeners());
+ }
+
+ public function isWrappedDataProvider()
+ {
+ return array(
+ array(false),
+ array(true),
+ );
+ }
+
+ public function testGetCalledListenersNested()
+ {
+ $tdispatcher = null;
+ $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+ $dispatcher->addListener('foo', function (Event $event, $eventName, $dispatcher) use (&$tdispatcher) {
+ $tdispatcher = $dispatcher;
+ $dispatcher->dispatch('bar');
+ });
+ $dispatcher->addListener('bar', function (Event $event) {});
+ $dispatcher->dispatch('foo');
+ $this->assertSame($dispatcher, $tdispatcher);
+ $this->assertCount(2, $dispatcher->getCalledListeners());
+ }
+
+ public function testLogger()
+ {
+ $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
+ $tdispatcher->addListener('foo', $listener1 = function () {});
+ $tdispatcher->addListener('foo', $listener2 = function () {});
+
+ $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
+ $logger->expects($this->at(1))->method('debug')->with('Notified event "foo" to listener "closure".');
+
+ $tdispatcher->dispatch('foo');
+ }
+
+ public function testLoggerWithStoppedEvent()
+ {
+ $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
+ $tdispatcher->addListener('foo', $listener1 = function (Event $event) { $event->stopPropagation(); });
+ $tdispatcher->addListener('foo', $listener2 = function () {});
+
+ $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
+ $logger->expects($this->at(1))->method('debug')->with('Listener "closure" stopped propagation of the event "foo".');
+ $logger->expects($this->at(2))->method('debug')->with('Listener "closure" was not called for event "foo".');
+
+ $tdispatcher->dispatch('foo');
+ }
+
+ public function testDispatchCallListeners()
+ {
+ $called = array();
+
+ $dispatcher = new EventDispatcher();
+ $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+ $tdispatcher->addListener('foo', function () use (&$called) { $called[] = 'foo1'; }, 10);
+ $tdispatcher->addListener('foo', function () use (&$called) { $called[] = 'foo2'; }, 20);
+
+ $tdispatcher->dispatch('foo');
+
+ $this->assertSame(array('foo2', 'foo1'), $called);
+ }
+
+ public function testDispatchNested()
+ {
+ $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+ $loop = 1;
+ $dispatchedEvents = 0;
+ $dispatcher->addListener('foo', $listener1 = function () use ($dispatcher, &$loop) {
+ ++$loop;
+ if (2 == $loop) {
+ $dispatcher->dispatch('foo');
+ }
+ });
+ $dispatcher->addListener('foo', function () use (&$dispatchedEvents) {
+ ++$dispatchedEvents;
+ });
+
+ $dispatcher->dispatch('foo');
+
+ $this->assertSame(2, $dispatchedEvents);
+ }
+
+ public function testDispatchReusedEventNested()
+ {
+ $nestedCall = false;
+ $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+ $dispatcher->addListener('foo', function (Event $e) use ($dispatcher) {
+ $dispatcher->dispatch('bar', $e);
+ });
+ $dispatcher->addListener('bar', function (Event $e) use (&$nestedCall) {
+ $nestedCall = true;
+ });
+
+ $this->assertFalse($nestedCall);
+ $dispatcher->dispatch('foo');
+ $this->assertTrue($nestedCall);
+ }
+
+ public function testListenerCanRemoveItselfWhenExecuted()
+ {
+ $eventDispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+ $listener1 = function ($event, $eventName, EventDispatcherInterface $dispatcher) use (&$listener1) {
+ $dispatcher->removeListener('foo', $listener1);
+ };
+ $eventDispatcher->addListener('foo', $listener1);
+ $eventDispatcher->addListener('foo', function () {});
+ $eventDispatcher->dispatch('foo');
+
+ $this->assertCount(1, $eventDispatcher->getListeners('foo'), 'expected listener1 to be removed');
+ }
+}
+
+class EventSubscriber implements EventSubscriberInterface
+{
+ public static function getSubscribedEvents()
+ {
+ return array('foo' => 'call');
+ }
+}
projects / yaffs-website / blobdiff