[EventDispatcher][VarDumper] optimize perf by leveraging Closure::fromCallable()
This commit is contained in:
parent
4cc14b4109
commit
d6a594bf42
@ -22,6 +22,7 @@ use Symfony\Component\VarDumper\Caster\ClassStub;
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class WrappedListener
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{
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private $listener;
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private $optimizedListener;
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private $name;
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private $called;
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private $stoppedPropagation;
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@ -31,9 +32,10 @@ class WrappedListener
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private $stub;
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private static $hasClassStub;
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public function __construct($listener, $name, Stopwatch $stopwatch, EventDispatcherInterface $dispatcher = null)
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public function __construct(callable $listener, ?string $name, Stopwatch $stopwatch, EventDispatcherInterface $dispatcher = null)
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{
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$this->listener = $listener;
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$this->optimizedListener = $listener instanceof \Closure ? $listener : \Closure::fromCallable($listener);
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$this->stopwatch = $stopwatch;
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$this->dispatcher = $dispatcher;
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$this->called = false;
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@ -108,7 +110,7 @@ class WrappedListener
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$e = $this->stopwatch->start($this->name, 'event_listener');
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\call_user_func($this->listener, $event, $eventName, $this->dispatcher ?: $dispatcher);
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\call_user_func($this->optimizedListener, $event, $eventName, $this->dispatcher ?: $dispatcher);
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if ($e->isStarted()) {
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$e->stop();
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@ -30,6 +30,14 @@ class EventDispatcher implements EventDispatcherInterface
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{
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private $listeners = array();
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private $sorted = array();
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private $optimized;
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public function __construct()
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{
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if (__CLASS__ === \get_class($this)) {
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$this->optimized = array();
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}
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}
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/**
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* {@inheritdoc}
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@ -40,7 +48,13 @@ class EventDispatcher implements EventDispatcherInterface
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$event = new Event();
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}
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if ($listeners = $this->getListeners($eventName)) {
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if (null !== $this->optimized && null !== $eventName) {
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$listeners = $this->optimized[$eventName] ?? (empty($this->listeners[$eventName]) ? array() : $this->optimizeListeners($eventName));
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} else {
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$listeners = $this->getListeners($eventName);
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}
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if ($listeners) {
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$this->doDispatch($listeners, $eventName, $event);
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}
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@ -86,11 +100,10 @@ class EventDispatcher implements EventDispatcherInterface
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$listener[0] = $listener[0]();
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}
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foreach ($this->listeners[$eventName] as $priority => $listeners) {
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foreach ($listeners as $k => $v) {
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foreach ($this->listeners[$eventName] as $priority => &$listeners) {
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foreach ($listeners as &$v) {
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if ($v !== $listener && \is_array($v) && isset($v[0]) && $v[0] instanceof \Closure) {
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$v[0] = $v[0]();
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$this->listeners[$eventName][$priority][$k] = $v;
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}
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if ($v === $listener) {
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return $priority;
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@ -123,7 +136,7 @@ class EventDispatcher implements EventDispatcherInterface
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public function addListener($eventName, $listener, $priority = 0)
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{
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$this->listeners[$eventName][$priority][] = $listener;
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unset($this->sorted[$eventName]);
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unset($this->sorted[$eventName], $this->optimized[$eventName]);
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}
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/**
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@ -139,21 +152,17 @@ class EventDispatcher implements EventDispatcherInterface
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$listener[0] = $listener[0]();
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}
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foreach ($this->listeners[$eventName] as $priority => $listeners) {
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foreach ($listeners as $k => $v) {
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foreach ($this->listeners[$eventName] as $priority => &$listeners) {
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foreach ($listeners as $k => &$v) {
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if ($v !== $listener && \is_array($v) && isset($v[0]) && $v[0] instanceof \Closure) {
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$v[0] = $v[0]();
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}
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if ($v === $listener) {
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unset($listeners[$k], $this->sorted[$eventName]);
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} else {
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$listeners[$k] = $v;
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unset($listeners[$k], $this->sorted[$eventName], $this->optimized[$eventName]);
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}
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}
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if ($listeners) {
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$this->listeners[$eventName][$priority] = $listeners;
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} else {
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if (!$listeners) {
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unset($this->listeners[$eventName][$priority]);
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}
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}
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@ -215,22 +224,46 @@ class EventDispatcher implements EventDispatcherInterface
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/**
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* Sorts the internal list of listeners for the given event by priority.
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*
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* @param string $eventName The name of the event
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*/
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private function sortListeners($eventName)
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private function sortListeners(string $eventName)
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{
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krsort($this->listeners[$eventName]);
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$this->sorted[$eventName] = array();
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foreach ($this->listeners[$eventName] as $priority => $listeners) {
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foreach ($this->listeners[$eventName] as &$listeners) {
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foreach ($listeners as $k => $listener) {
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if (\is_array($listener) && isset($listener[0]) && $listener[0] instanceof \Closure) {
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$listener[0] = $listener[0]();
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$this->listeners[$eventName][$priority][$k] = $listener;
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}
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$this->sorted[$eventName][] = $listener;
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}
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}
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}
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/**
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* Optimizes the internal list of listeners for the given event by priority.
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*/
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private function optimizeListeners(string $eventName): array
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{
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krsort($this->listeners[$eventName]);
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$this->optimized[$eventName] = array();
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foreach ($this->listeners[$eventName] as &$listeners) {
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foreach ($listeners as &$listener) {
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$closure = &$this->optimized[$eventName][];
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if (\is_array($listener) && isset($listener[0]) && $listener[0] instanceof \Closure) {
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$closure = static function (...$args) use (&$listener, &$closure) {
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if ($listener[0] instanceof \Closure) {
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$listener[0] = $listener[0]();
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}
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($closure = \Closure::fromCallable($listener))(...$args);
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};
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} else {
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$closure = $listener instanceof \Closure ? $listener : \Closure::fromCallable($listener);
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}
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}
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}
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return $this->optimized[$eventName];
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}
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}
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@ -1,442 +0,0 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\EventDispatcher\Tests;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\EventDispatcher\Event;
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use Symfony\Component\EventDispatcher\EventDispatcher;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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abstract class AbstractEventDispatcherTest extends TestCase
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{
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/* Some pseudo events */
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const preFoo = 'pre.foo';
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const postFoo = 'post.foo';
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const preBar = 'pre.bar';
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const postBar = 'post.bar';
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/**
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* @var EventDispatcher
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*/
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private $dispatcher;
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private $listener;
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protected function setUp()
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{
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$this->dispatcher = $this->createEventDispatcher();
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$this->listener = new TestEventListener();
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}
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protected function tearDown()
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{
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$this->dispatcher = null;
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$this->listener = null;
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}
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abstract protected function createEventDispatcher();
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public function testInitialState()
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{
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$this->assertEquals(array(), $this->dispatcher->getListeners());
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$this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
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$this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
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}
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public function testAddListener()
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{
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$this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
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$this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
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$this->assertTrue($this->dispatcher->hasListeners());
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
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$this->assertCount(1, $this->dispatcher->getListeners(self::preFoo));
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$this->assertCount(1, $this->dispatcher->getListeners(self::postFoo));
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$this->assertCount(2, $this->dispatcher->getListeners());
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}
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public function testGetListenersSortsByPriority()
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{
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$listener1 = new TestEventListener();
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$listener2 = new TestEventListener();
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$listener3 = new TestEventListener();
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$listener1->name = '1';
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$listener2->name = '2';
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$listener3->name = '3';
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$this->dispatcher->addListener('pre.foo', array($listener1, 'preFoo'), -10);
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$this->dispatcher->addListener('pre.foo', array($listener2, 'preFoo'), 10);
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$this->dispatcher->addListener('pre.foo', array($listener3, 'preFoo'));
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$expected = array(
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array($listener2, 'preFoo'),
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array($listener3, 'preFoo'),
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array($listener1, 'preFoo'),
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);
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$this->assertSame($expected, $this->dispatcher->getListeners('pre.foo'));
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}
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public function testGetAllListenersSortsByPriority()
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{
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$listener1 = new TestEventListener();
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$listener2 = new TestEventListener();
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$listener3 = new TestEventListener();
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$listener4 = new TestEventListener();
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$listener5 = new TestEventListener();
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$listener6 = new TestEventListener();
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$this->dispatcher->addListener('pre.foo', $listener1, -10);
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$this->dispatcher->addListener('pre.foo', $listener2);
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$this->dispatcher->addListener('pre.foo', $listener3, 10);
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$this->dispatcher->addListener('post.foo', $listener4, -10);
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$this->dispatcher->addListener('post.foo', $listener5);
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$this->dispatcher->addListener('post.foo', $listener6, 10);
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$expected = array(
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'pre.foo' => array($listener3, $listener2, $listener1),
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'post.foo' => array($listener6, $listener5, $listener4),
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);
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$this->assertSame($expected, $this->dispatcher->getListeners());
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}
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public function testGetListenerPriority()
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{
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$listener1 = new TestEventListener();
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$listener2 = new TestEventListener();
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$this->dispatcher->addListener('pre.foo', $listener1, -10);
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$this->dispatcher->addListener('pre.foo', $listener2);
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$this->assertSame(-10, $this->dispatcher->getListenerPriority('pre.foo', $listener1));
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$this->assertSame(0, $this->dispatcher->getListenerPriority('pre.foo', $listener2));
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$this->assertNull($this->dispatcher->getListenerPriority('pre.bar', $listener2));
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$this->assertNull($this->dispatcher->getListenerPriority('pre.foo', function () {}));
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}
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public function testDispatch()
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{
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$this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
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$this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
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$this->dispatcher->dispatch(self::preFoo);
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$this->assertTrue($this->listener->preFooInvoked);
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$this->assertFalse($this->listener->postFooInvoked);
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$this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch('noevent'));
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$this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch(self::preFoo));
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$event = new Event();
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$return = $this->dispatcher->dispatch(self::preFoo, $event);
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$this->assertSame($event, $return);
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}
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public function testDispatchForClosure()
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{
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$invoked = 0;
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$listener = function () use (&$invoked) {
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++$invoked;
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};
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$this->dispatcher->addListener('pre.foo', $listener);
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$this->dispatcher->addListener('post.foo', $listener);
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$this->dispatcher->dispatch(self::preFoo);
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$this->assertEquals(1, $invoked);
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}
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public function testStopEventPropagation()
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{
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$otherListener = new TestEventListener();
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// postFoo() stops the propagation, so only one listener should
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// be executed
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// Manually set priority to enforce $this->listener to be called first
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$this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'), 10);
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$this->dispatcher->addListener('post.foo', array($otherListener, 'postFoo'));
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$this->dispatcher->dispatch(self::postFoo);
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$this->assertTrue($this->listener->postFooInvoked);
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$this->assertFalse($otherListener->postFooInvoked);
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}
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public function testDispatchByPriority()
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{
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$invoked = array();
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$listener1 = function () use (&$invoked) {
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$invoked[] = '1';
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};
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$listener2 = function () use (&$invoked) {
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$invoked[] = '2';
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};
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$listener3 = function () use (&$invoked) {
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$invoked[] = '3';
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};
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$this->dispatcher->addListener('pre.foo', $listener1, -10);
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$this->dispatcher->addListener('pre.foo', $listener2);
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$this->dispatcher->addListener('pre.foo', $listener3, 10);
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$this->dispatcher->dispatch(self::preFoo);
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$this->assertEquals(array('3', '2', '1'), $invoked);
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}
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public function testRemoveListener()
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{
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$this->dispatcher->addListener('pre.bar', $this->listener);
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$this->assertTrue($this->dispatcher->hasListeners(self::preBar));
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$this->dispatcher->removeListener('pre.bar', $this->listener);
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$this->assertFalse($this->dispatcher->hasListeners(self::preBar));
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$this->dispatcher->removeListener('notExists', $this->listener);
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}
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public function testAddSubscriber()
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{
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$eventSubscriber = new TestEventSubscriber();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
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}
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public function testAddSubscriberWithPriorities()
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{
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$eventSubscriber = new TestEventSubscriber();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$eventSubscriber = new TestEventSubscriberWithPriorities();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$listeners = $this->dispatcher->getListeners('pre.foo');
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertCount(2, $listeners);
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$this->assertInstanceOf('Symfony\Component\EventDispatcher\Tests\TestEventSubscriberWithPriorities', $listeners[0][0]);
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}
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public function testAddSubscriberWithMultipleListeners()
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{
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$eventSubscriber = new TestEventSubscriberWithMultipleListeners();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$listeners = $this->dispatcher->getListeners('pre.foo');
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertCount(2, $listeners);
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$this->assertEquals('preFoo2', $listeners[0][1]);
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}
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public function testRemoveSubscriber()
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{
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$eventSubscriber = new TestEventSubscriber();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
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$this->dispatcher->removeSubscriber($eventSubscriber);
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$this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
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$this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
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}
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public function testRemoveSubscriberWithPriorities()
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{
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$eventSubscriber = new TestEventSubscriberWithPriorities();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->dispatcher->removeSubscriber($eventSubscriber);
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$this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
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}
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public function testRemoveSubscriberWithMultipleListeners()
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{
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$eventSubscriber = new TestEventSubscriberWithMultipleListeners();
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$this->dispatcher->addSubscriber($eventSubscriber);
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$this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
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$this->assertCount(2, $this->dispatcher->getListeners(self::preFoo));
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$this->dispatcher->removeSubscriber($eventSubscriber);
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$this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
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}
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public function testEventReceivesTheDispatcherInstanceAsArgument()
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{
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$listener = new TestWithDispatcher();
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$this->dispatcher->addListener('test', array($listener, 'foo'));
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$this->assertNull($listener->name);
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$this->assertNull($listener->dispatcher);
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$this->dispatcher->dispatch('test');
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$this->assertEquals('test', $listener->name);
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$this->assertSame($this->dispatcher, $listener->dispatcher);
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}
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/**
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* @see https://bugs.php.net/bug.php?id=62976
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*
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* This bug affects:
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* - The PHP 5.3 branch for versions < 5.3.18
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* - The PHP 5.4 branch for versions < 5.4.8
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* - The PHP 5.5 branch is not affected
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*/
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public function testWorkaroundForPhpBug62976()
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{
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$dispatcher = $this->createEventDispatcher();
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$dispatcher->addListener('bug.62976', new CallableClass());
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$dispatcher->removeListener('bug.62976', function () {});
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$this->assertTrue($dispatcher->hasListeners('bug.62976'));
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}
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public function testHasListenersWhenAddedCallbackListenerIsRemoved()
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{
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$listener = function () {};
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$this->dispatcher->addListener('foo', $listener);
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$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());
|
||||
}
|
||||
|
||||
public function testHasListenersIsLazy()
|
||||
{
|
||||
$called = 0;
|
||||
$listener = array(function () use (&$called) { ++$called; }, 'onFoo');
|
||||
$this->dispatcher->addListener('foo', $listener);
|
||||
$this->assertTrue($this->dispatcher->hasListeners());
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->assertSame(0, $called);
|
||||
}
|
||||
|
||||
public function testDispatchLazyListener()
|
||||
{
|
||||
$called = 0;
|
||||
$factory = function () use (&$called) {
|
||||
++$called;
|
||||
|
||||
return new TestWithDispatcher();
|
||||
};
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'));
|
||||
$this->assertSame(0, $called);
|
||||
$this->dispatcher->dispatch('foo', new Event());
|
||||
$this->dispatcher->dispatch('foo', new Event());
|
||||
$this->assertSame(1, $called);
|
||||
}
|
||||
|
||||
public function testRemoveFindsLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'));
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->dispatcher->removeListener('foo', array($test, 'foo'));
|
||||
$this->assertFalse($this->dispatcher->hasListeners('foo'));
|
||||
|
||||
$this->dispatcher->addListener('foo', array($test, 'foo'));
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->dispatcher->removeListener('foo', array($factory, 'foo'));
|
||||
$this->assertFalse($this->dispatcher->hasListeners('foo'));
|
||||
}
|
||||
|
||||
public function testPriorityFindsLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
|
||||
$this->assertSame(3, $this->dispatcher->getListenerPriority('foo', array($test, 'foo')));
|
||||
$this->dispatcher->removeListener('foo', array($factory, 'foo'));
|
||||
|
||||
$this->dispatcher->addListener('foo', array($test, 'foo'), 5);
|
||||
$this->assertSame(5, $this->dispatcher->getListenerPriority('foo', array($factory, 'foo')));
|
||||
}
|
||||
|
||||
public function testGetLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
|
||||
$this->assertSame(array(array($test, 'foo')), $this->dispatcher->getListeners('foo'));
|
||||
|
||||
$this->dispatcher->removeListener('foo', array($test, 'foo'));
|
||||
$this->dispatcher->addListener('bar', array($factory, 'foo'), 3);
|
||||
$this->assertSame(array('bar' => array(array($test, 'foo'))), $this->dispatcher->getListeners());
|
||||
}
|
||||
}
|
||||
|
||||
class CallableClass
|
||||
{
|
||||
public function __invoke()
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
class TestEventListener
|
||||
{
|
||||
public $preFooInvoked = false;
|
||||
public $postFooInvoked = false;
|
||||
|
||||
/* Listener methods */
|
||||
|
||||
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),
|
||||
));
|
||||
}
|
||||
}
|
@ -0,0 +1,26 @@
|
||||
<?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;
|
||||
|
||||
use Symfony\Component\EventDispatcher\EventDispatcher;
|
||||
|
||||
class ChildEventDispatcherTest extends EventDispatcherTest
|
||||
{
|
||||
protected function createEventDispatcher()
|
||||
{
|
||||
return new ChildEventDispatcher();
|
||||
}
|
||||
}
|
||||
|
||||
class ChildEventDispatcher extends EventDispatcher
|
||||
{
|
||||
}
|
@ -11,12 +11,461 @@
|
||||
|
||||
namespace Symfony\Component\EventDispatcher\Tests;
|
||||
|
||||
use PHPUnit\Framework\TestCase;
|
||||
use Symfony\Component\EventDispatcher\Event;
|
||||
use Symfony\Component\EventDispatcher\EventDispatcher;
|
||||
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
|
||||
|
||||
class EventDispatcherTest extends AbstractEventDispatcherTest
|
||||
class EventDispatcherTest extends TestCase
|
||||
{
|
||||
/* Some pseudo events */
|
||||
const preFoo = 'pre.foo';
|
||||
const postFoo = 'post.foo';
|
||||
const preBar = 'pre.bar';
|
||||
const postBar = 'post.bar';
|
||||
|
||||
/**
|
||||
* @var EventDispatcher
|
||||
*/
|
||||
private $dispatcher;
|
||||
|
||||
private $listener;
|
||||
|
||||
protected function setUp()
|
||||
{
|
||||
$this->dispatcher = $this->createEventDispatcher();
|
||||
$this->listener = new TestEventListener();
|
||||
}
|
||||
|
||||
protected function tearDown()
|
||||
{
|
||||
$this->dispatcher = null;
|
||||
$this->listener = null;
|
||||
}
|
||||
|
||||
protected function createEventDispatcher()
|
||||
{
|
||||
return new EventDispatcher();
|
||||
}
|
||||
|
||||
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 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();
|
||||
|
||||
// postFoo() stops the propagation, so only one listener should
|
||||
// be executed
|
||||
// Manually set priority to enforce $this->listener to be called first
|
||||
$this->dispatcher->addListener('post.foo', array($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 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* @see https://bugs.php.net/bug.php?id=62976
|
||||
*
|
||||
* This bug affects:
|
||||
* - The PHP 5.3 branch for versions < 5.3.18
|
||||
* - The PHP 5.4 branch for versions < 5.4.8
|
||||
* - The PHP 5.5 branch is not affected
|
||||
*/
|
||||
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());
|
||||
}
|
||||
|
||||
public function testHasListenersIsLazy()
|
||||
{
|
||||
$called = 0;
|
||||
$listener = array(function () use (&$called) { ++$called; }, 'onFoo');
|
||||
$this->dispatcher->addListener('foo', $listener);
|
||||
$this->assertTrue($this->dispatcher->hasListeners());
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->assertSame(0, $called);
|
||||
}
|
||||
|
||||
public function testDispatchLazyListener()
|
||||
{
|
||||
$called = 0;
|
||||
$factory = function () use (&$called) {
|
||||
++$called;
|
||||
|
||||
return new TestWithDispatcher();
|
||||
};
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'));
|
||||
$this->assertSame(0, $called);
|
||||
$this->dispatcher->dispatch('foo', new Event());
|
||||
$this->dispatcher->dispatch('foo', new Event());
|
||||
$this->assertSame(1, $called);
|
||||
}
|
||||
|
||||
public function testRemoveFindsLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'));
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->dispatcher->removeListener('foo', array($test, 'foo'));
|
||||
$this->assertFalse($this->dispatcher->hasListeners('foo'));
|
||||
|
||||
$this->dispatcher->addListener('foo', array($test, 'foo'));
|
||||
$this->assertTrue($this->dispatcher->hasListeners('foo'));
|
||||
$this->dispatcher->removeListener('foo', array($factory, 'foo'));
|
||||
$this->assertFalse($this->dispatcher->hasListeners('foo'));
|
||||
}
|
||||
|
||||
public function testPriorityFindsLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
|
||||
$this->assertSame(3, $this->dispatcher->getListenerPriority('foo', array($test, 'foo')));
|
||||
$this->dispatcher->removeListener('foo', array($factory, 'foo'));
|
||||
|
||||
$this->dispatcher->addListener('foo', array($test, 'foo'), 5);
|
||||
$this->assertSame(5, $this->dispatcher->getListenerPriority('foo', array($factory, 'foo')));
|
||||
}
|
||||
|
||||
public function testGetLazyListeners()
|
||||
{
|
||||
$test = new TestWithDispatcher();
|
||||
$factory = function () use ($test) { return $test; };
|
||||
|
||||
$this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
|
||||
$this->assertSame(array(array($test, 'foo')), $this->dispatcher->getListeners('foo'));
|
||||
|
||||
$this->dispatcher->removeListener('foo', array($test, 'foo'));
|
||||
$this->dispatcher->addListener('bar', array($factory, 'foo'), 3);
|
||||
$this->assertSame(array('bar' => array(array($test, 'foo'))), $this->dispatcher->getListeners());
|
||||
}
|
||||
|
||||
public function testMutatingWhilePropagationIsStopped()
|
||||
{
|
||||
$testLoaded = false;
|
||||
$test = new TestEventListener();
|
||||
$this->dispatcher->addListener('foo', array($test, 'postFoo'));
|
||||
$this->dispatcher->addListener('foo', array(function () use ($test, &$testLoaded) {
|
||||
$testLoaded = true;
|
||||
|
||||
return $test;
|
||||
}, 'preFoo'));
|
||||
|
||||
$this->dispatcher->dispatch('foo');
|
||||
|
||||
$this->assertTrue($test->postFooInvoked);
|
||||
$this->assertFalse($test->preFooInvoked);
|
||||
|
||||
$this->assertsame(0, $this->dispatcher->getListenerPriority('foo', array($test, 'preFoo')));
|
||||
|
||||
$test->preFoo(new Event());
|
||||
$this->dispatcher->dispatch('foo');
|
||||
|
||||
$this->assertTrue($testLoaded);
|
||||
}
|
||||
}
|
||||
|
||||
class CallableClass
|
||||
{
|
||||
public function __invoke()
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
class TestEventListener
|
||||
{
|
||||
public $preFooInvoked = false;
|
||||
public $postFooInvoked = false;
|
||||
|
||||
/* Listener methods */
|
||||
|
||||
public function preFoo(Event $e)
|
||||
{
|
||||
$this->preFooInvoked = true;
|
||||
}
|
||||
|
||||
public function postFoo(Event $e)
|
||||
{
|
||||
$this->postFooInvoked = true;
|
||||
|
||||
if (!$this->preFooInvoked) {
|
||||
$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),
|
||||
));
|
||||
}
|
||||
}
|
||||
|
@ -176,7 +176,10 @@ abstract class AbstractCloner implements ClonerInterface
|
||||
public function addCasters(array $casters)
|
||||
{
|
||||
foreach ($casters as $type => $callback) {
|
||||
$this->casters[strtolower($type)][] = \is_string($callback) && false !== strpos($callback, '::') ? explode('::', $callback, 2) : $callback;
|
||||
$closure = &$this->casters[strtolower($type)][];
|
||||
$closure = $callback instanceof \Closure ? $callback : static function (...$args) use ($callback, &$closure) {
|
||||
return ($closure = \Closure::fromCallable($callback))(...$args);
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
|
Reference in New Issue
Block a user