vendor/symfony/event-dispatcher/Tests/ImmutableEventDispatcherTest.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 PHPUnit\Framework\TestCase;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\ImmutableEventDispatcher;
 
class ImmutableEventDispatcherTest extends TestCase
{
    private $innerDispatcher;
 
    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();
 
        $this->innerDispatcher->expects($this->once())
            ->method('dispatch')
            ->with('event', $event)
            ->will($this->returnValue('result'));
 
        $this->assertSame('result', $this->dispatcher->dispatch('event', $event));
    }
 
    public function testGetListenersDelegates()
    {
        $this->innerDispatcher->expects($this->once())
            ->method('getListeners')
            ->with('event')
            ->will($this->returnValue('result'));
 
        $this->assertSame('result', $this->dispatcher->getListeners('event'));
    }
 
    public function testHasListenersDelegates()
    {
        $this->innerDispatcher->expects($this->once())
            ->method('hasListeners')
            ->with('event')
            ->will($this->returnValue('result'));
 
        $this->assertSame('result', $this->dispatcher->hasListeners('event'));
    }
 
    public function testAddListenerDisallowed()
    {
        $this->dispatcher->addListener('event', function () { return 'foo'; });
    }
 
    public function testAddSubscriberDisallowed()
    {
        $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
 
        $this->dispatcher->addSubscriber($subscriber);
    }
 
    public function testRemoveListenerDisallowed()
    {
        $this->dispatcher->removeListener('event', function () { return 'foo'; });
    }
 
    public function testRemoveSubscriberDisallowed()
    {
        $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
 
        $this->dispatcher->removeSubscriber($subscriber);
    }
}