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<?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 PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\ImmutableEventDispatcher;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ImmutableEventDispatcherTest extends TestCase
{
/**
* @var MockObject
*/
private $innerDispatcher;
/**
* @var ImmutableEventDispatcher
*/
private $dispatcher;
protected function setUp()
{
$this->innerDispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
$this->dispatcher = new ImmutableEventDispatcher($this->innerDispatcher);
}
public function testDispatchDelegates()
{
$event = new Event();
$resultEvent = new Event();
$this->innerDispatcher->expects($this->once())
->method('dispatch')
->with('event', $event)
->willReturn($resultEvent);
$this->assertSame($resultEvent, $this->dispatcher->dispatch('event', $event));
}
public function testGetListenersDelegates()
{
$this->innerDispatcher->expects($this->once())
->method('getListeners')
->with('event')
->willReturn(['result']);
$this->assertSame(['result'], $this->dispatcher->getListeners('event'));
}
public function testHasListenersDelegates()
{
$this->innerDispatcher->expects($this->once())
->method('hasListeners')
->with('event')
->willReturn(true);
$this->assertTrue($this->dispatcher->hasListeners('event'));
}
public function testAddListenerDisallowed()
{
$this->expectException('\BadMethodCallException');
$this->dispatcher->addListener('event', function () { return 'foo'; });
}
public function testAddSubscriberDisallowed()
{
$this->expectException('\BadMethodCallException');
$subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
$this->dispatcher->addSubscriber($subscriber);
}
public function testRemoveListenerDisallowed()
{
$this->expectException('\BadMethodCallException');
$this->dispatcher->removeListener('event', function () { return 'foo'; });
}
public function testRemoveSubscriberDisallowed()
{
$this->expectException('\BadMethodCallException');
$subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
$this->dispatcher->removeSubscriber($subscriber);
}
}