vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php

<?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\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\Scope;
use Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
{
    protected function createEventDispatcher()
    {
        $container = new Container();
 
        return new ContainerAwareEventDispatcher($container);
    }
 
    public function testAddAListenerService()
    {
        $event = new Event();
 
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $service
            ->expects($this->once())
            ->method('onEvent')
            ->with($event)
        ;
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $dispatcher->dispatch('onEvent', $event);
    }
 
    public function testAddASubscriberService()
    {
        $event = new Event();
 
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\SubscriberService')->getMock();
 
        $service
            ->expects($this->once())
            ->method('onEvent')
            ->with($event)
        ;
 
        $service
            ->expects($this->once())
            ->method('onEventWithPriority')
            ->with($event)
        ;
 
        $service
            ->expects($this->once())
            ->method('onEventNested')
            ->with($event)
        ;
 
        $container = new Container();
        $container->set('service.subscriber', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addSubscriberService('service.subscriber', 'Symfony\Component\EventDispatcher\Tests\SubscriberService');
 
        $dispatcher->dispatch('onEvent', $event);
        $dispatcher->dispatch('onEventWithPriority', $event);
        $dispatcher->dispatch('onEventNested', $event);
    }
 
    public function testPreventDuplicateListenerService()
    {
        $event = new Event();
 
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $service
            ->expects($this->once())
            ->method('onEvent')
            ->with($event)
        ;
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'), 5);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'), 10);
 
        $dispatcher->dispatch('onEvent', $event);
    }
 
    public function testTriggerAListenerServiceOutOfScope()
    {
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $scope = new Scope('scope');
        $container = new Container();
        $container->addScope($scope);
        $container->enterScope('scope');
 
        $container->set('service.listener', $service, 'scope');
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $container->leaveScope('scope');
        $dispatcher->dispatch('onEvent');
    }
 
    public function testReEnteringAScope()
    {
        $event = new Event();
 
        $service1 = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $service1
            ->expects($this->exactly(2))
            ->method('onEvent')
            ->with($event)
        ;
 
        $scope = new Scope('scope');
        $container = new Container();
        $container->addScope($scope);
        $container->enterScope('scope');
 
        $container->set('service.listener', $service1, 'scope');
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
        $dispatcher->dispatch('onEvent', $event);
 
        $service2 = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $service2
            ->expects($this->once())
            ->method('onEvent')
            ->with($event)
        ;
 
        $container->enterScope('scope');
        $container->set('service.listener', $service2, 'scope');
 
        $dispatcher->dispatch('onEvent', $event);
 
        $container->leaveScope('scope');
 
        $dispatcher->dispatch('onEvent');
    }
 
    public function testHasListenersOnLazyLoad()
    {
        $event = new Event();
 
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $event->setDispatcher($dispatcher);
        $event->setName('onEvent');
 
        $service
            ->expects($this->once())
            ->method('onEvent')
            ->with($event)
        ;
 
        $this->assertTrue($dispatcher->hasListeners());
 
        if ($dispatcher->hasListeners('onEvent')) {
            $dispatcher->dispatch('onEvent');
        }
    }
 
    public function testGetListenersOnLazyLoad()
    {
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $listeners = $dispatcher->getListeners();
 
        $this->assertArrayHasKey('onEvent', $listeners);
 
        $this->assertCount(1, $dispatcher->getListeners('onEvent'));
    }
 
    public function testRemoveAfterDispatch()
    {
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $dispatcher->dispatch('onEvent', new Event());
        $dispatcher->removeListener('onEvent', array($container->get('service.listener'), 'onEvent'));
        $this->assertFalse($dispatcher->hasListeners('onEvent'));
    }
 
    public function testRemoveBeforeDispatch()
    {
        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
 
        $container = new Container();
        $container->set('service.listener', $service);
 
        $dispatcher = new ContainerAwareEventDispatcher($container);
        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
 
        $dispatcher->removeListener('onEvent', array($container->get('service.listener'), 'onEvent'));
        $this->assertFalse($dispatcher->hasListeners('onEvent'));
    }
}
 
class Service
{
    public function onEvent(Event $e)
    {
    }
}
 
class SubscriberService implements EventSubscriberInterface
{
    public static function getSubscribedEvents()
    {
        return array(
            'onEvent' => 'onEvent',
            'onEventWithPriority' => array('onEventWithPriority', 10),
            'onEventNested' => array(array('onEventNested')),
        );
    }
 
    public function onEvent(Event $e)
    {
    }
 
    public function onEventWithPriority(Event $e)
    {
    }
 
    public function onEventNested(Event $e)
    {
    }
}