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<?php
namespace JMS\Serializer\Tests\Serializer\EventDispatcher;
use JMS\Serializer\EventDispatcher\Event;
use JMS\Serializer\EventDispatcher\EventDispatcher;
use JMS\Serializer\EventDispatcher\EventDispatcherInterface;
use JMS\Serializer\EventDispatcher\EventSubscriberInterface;
use JMS\Serializer\EventDispatcher\ObjectEvent;
class EventDispatcherTest extends \PHPUnit_Framework_TestCase
{
/**
* @var EventDispatcher
*/
protected $dispatcher;
protected $event;
public function testHasListeners()
{
$this->assertFalse($this->dispatcher->hasListeners('foo', 'Foo', 'json'));
$this->dispatcher->addListener('foo', function () {
});
$this->assertTrue($this->dispatcher->hasListeners('foo', 'Foo', 'json'));
$this->assertFalse($this->dispatcher->hasListeners('bar', 'Bar', 'json'));
$this->dispatcher->addListener('bar', function () {
}, 'Foo');
$this->assertFalse($this->dispatcher->hasListeners('bar', 'Bar', 'json'));
$this->dispatcher->addListener('bar', function () {
}, 'Bar', 'xml');
$this->assertFalse($this->dispatcher->hasListeners('bar', 'Bar', 'json'));
$this->dispatcher->addListener('bar', function () {
}, null, 'json');
$this->assertTrue($this->dispatcher->hasListeners('bar', 'Baz', 'json'));
$this->assertTrue($this->dispatcher->hasListeners('bar', 'Bar', 'json'));
$this->assertFalse($this->dispatcher->hasListeners('baz', 'Bar', 'xml'));
$this->dispatcher->addListener('baz', function () {
}, 'Bar');
$this->assertTrue($this->dispatcher->hasListeners('baz', 'Bar', 'xml'));
$this->assertTrue($this->dispatcher->hasListeners('baz', 'bAr', 'xml'));
}
public function testDispatch()
{
$a = new MockListener();
$this->dispatcher->addListener('foo', array($a, 'foo'));
$this->dispatch('bar');
$a->_verify('Listener is not called for other event.');
$b = new MockListener();
$this->dispatcher->addListener('pre', array($b, 'bar'), 'Bar');
$this->dispatcher->addListener('pre', array($b, 'foo'), 'Foo');
$this->dispatcher->addListener('pre', array($b, 'all'));
$b->bar($this->event, 'pre', 'bar', 'json', $this->dispatcher);
$b->all($this->event, 'pre', 'bar', 'json', $this->dispatcher);
$b->foo($this->event, 'pre', 'foo', 'json', $this->dispatcher);
$b->all($this->event, 'pre', 'foo', 'json', $this->dispatcher);
$b->_replay();
$this->dispatch('pre', 'Bar');
$this->dispatch('pre', 'Foo');
$b->_verify();
}
public function testListenerCanStopPropagation()
{
$listener1 = false;
$listener2 = false;
$this->dispatcher->addListener('pre', function (Event $event) use (&$listener1) {
$event->stopPropagation();
$listener1 = true;
});
$this->dispatcher->addListener('pre', function () use (&$listener2) {
$listener2 = true;
});
$this->dispatch('pre');
$this->assertTrue($listener1);
$this->assertFalse($listener2);
}
public function testListenerCanDispatchEvent()
{
$listener1 = false;
$listener2 = false;
$listener3 = false;
$this->dispatcher->addListener('pre', function (Event $event, $eventName, $loweredClass, $format, EventDispatcherInterface $dispatcher) use (&$listener1) {
$listener1 = true;
$event = new Event($event->getContext(), $event->getType());
$this->assertSame('pre', $eventName);
$this->assertSame('json', $format);
$this->assertSame('foo', $loweredClass);
$dispatcher->dispatch('post', 'Blah', 'xml', $event);
});
$this->dispatcher->addListener('pre', function () use (&$listener2) {
$listener2 = true;
});
$this->dispatcher->addListener('post', function (Event $event, $eventName, $loweredClass, $format, EventDispatcherInterface $dispatcher) use (&$listener3) {
$listener3 = true;
$this->assertSame('post', $eventName);
$this->assertSame('xml', $format);
$this->assertSame('blah', $loweredClass);
});
$this->dispatch('pre');
$this->assertTrue($listener1);
$this->assertTrue($listener2);
$this->assertTrue($listener3);
}
public function testAddSubscriber()
{
$subscriber = new MockSubscriber();
MockSubscriber::$events = array(
array('event' => 'foo.bar_baz', 'format' => 'foo'),
array('event' => 'bar', 'method' => 'bar', 'class' => 'foo'),
);
$this->dispatcher->addSubscriber($subscriber);
$this->assertAttributeEquals(array(
'foo.bar_baz' => array(
array(array($subscriber, 'onfoobarbaz'), null, 'foo'),
),
'bar' => array(
array(array($subscriber, 'bar'), 'foo', null),
),
), 'listeners', $this->dispatcher);
}
protected function setUp()
{
$this->dispatcher = $this->createEventDispatcher();
$this->event = new ObjectEvent($this->getMockBuilder('JMS\Serializer\Context')->getMock(), new \stdClass(), array('name' => 'foo', 'params' => array()));
}
protected function createEventDispatcher()
{
return new EventDispatcher();
}
protected function dispatch($eventName, $class = 'Foo', $format = 'json', Event $event = null)
{
$this->dispatcher->dispatch($eventName, $class, $format, $event ?: $this->event);
}
}
class MockSubscriber implements EventSubscriberInterface
{
public static $events = array();
public static function getSubscribedEvents()
{
return self::$events;
}
}
class MockListener
{
private $expected = array();
private $actual = array();
private $wasReplayed = false;
public function __call($method, array $args = array())
{
if (!$this->wasReplayed) {
$this->expected[] = array($method, $args);
return;
}
$this->actual[] = array($method, $args);
}
public function _replay()
{
$this->wasReplayed = true;
}
public function _verify($message = null)
{
\PHPUnit_Framework_Assert::assertSame($this->expected, $this->actual, $message);
}
}