TraceableEventDispatcherTest.php
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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\HttpKernel\Tests\Debug;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\HttpKernel\Debug\TraceableEventDispatcher;
use Symfony\Component\HttpKernel\HttpKernel;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Stopwatch\Stopwatch;
class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
{
public function testStopwatchSections()
{
$dispatcher = new TraceableEventDispatcher(new EventDispatcher(), $stopwatch = new Stopwatch());
$kernel = $this->getHttpKernel($dispatcher, function () { return new Response(); });
$request = Request::create('/');
$response = $kernel->handle($request);
$kernel->terminate($request, $response);
$events = $stopwatch->getSectionEvents($response->headers->get('X-Debug-Token'));
$this->assertEquals(array(
'__section__',
'kernel.request',
'kernel.controller',
'controller',
'kernel.response',
'kernel.terminate',
), array_keys($events));
}
public function testStopwatchCheckControllerOnRequestEvent()
{
$stopwatch = $this->getMockBuilder('Symfony\Component\Stopwatch\Stopwatch')
->setMethods(array('isStarted'))
->getMock();
$stopwatch->expects($this->once())
->method('isStarted')
->will($this->returnValue(false));
$dispatcher = new TraceableEventDispatcher(new EventDispatcher(), $stopwatch);
$kernel = $this->getHttpKernel($dispatcher, function () { return new Response(); });
$request = Request::create('/');
$kernel->handle($request);
}
public function testStopwatchStopControllerOnRequestEvent()
{
$stopwatch = $this->getMockBuilder('Symfony\Component\Stopwatch\Stopwatch')
->setMethods(array('isStarted', 'stop', 'stopSection'))
->getMock();
$stopwatch->expects($this->once())
->method('isStarted')
->will($this->returnValue(true));
$stopwatch->expects($this->once())
->method('stop');
$stopwatch->expects($this->once())
->method('stopSection');
$dispatcher = new TraceableEventDispatcher(new EventDispatcher(), $stopwatch);
$kernel = $this->getHttpKernel($dispatcher, function () { return new Response(); });
$request = Request::create('/');
$kernel->handle($request);
}
public function testAddListenerNested()
{
$called1 = false;
$called2 = false;
$dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
$dispatcher->addListener('my-event', function () use ($dispatcher, &$called1, &$called2) {
$called1 = true;
$dispatcher->addListener('my-event', function () use (&$called2) {
$called2 = true;
});
});
$dispatcher->dispatch('my-event');
$this->assertTrue($called1);
$this->assertFalse($called2);
$dispatcher->dispatch('my-event');
$this->assertTrue($called2);
}
public function testListenerCanRemoveItselfWhenExecuted()
{
$eventDispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
$listener1 = function () use ($eventDispatcher, &$listener1) {
$eventDispatcher->removeListener('foo', $listener1);
};
$eventDispatcher->addListener('foo', $listener1);
$eventDispatcher->addListener('foo', function () {});
$eventDispatcher->dispatch('foo');
$this->assertCount(1, $eventDispatcher->getListeners('foo'), 'expected listener1 to be removed');
}
protected function getHttpKernel($dispatcher, $controller)
{
$resolver = $this->getMock('Symfony\Component\HttpKernel\Controller\ControllerResolverInterface');
$resolver->expects($this->once())->method('getController')->will($this->returnValue($controller));
$resolver->expects($this->once())->method('getArguments')->will($this->returnValue(array()));
return new HttpKernel($dispatcher, $resolver);
}
}