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File: tests/Wingu/OctopusCore/EventDispatcher/Tests/Integration/EventDispatcherTest.php

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  Classes of Protung Dragos  >  PHP Event Dispatcher  >  tests/Wingu/OctopusCore/EventDispatcher/Tests/Integration/EventDispatcherTest.php  >  Download  
File: tests/Wingu/OctopusCore/EventDispatcher/Tests/Integration/EventDispatcherTest.php
Role: Unit test script
Content type: text/plain
Description:
Class: PHP Event Dispatcher
Register events and call registered listeners
Author: By
Last change:
Date: 2 years ago
Size: 4,747 bytes
 

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<?php

namespace Wingu\OctopusCore\EventDispatcher\Tests\Integration;

use
Wingu\OctopusCore\EventDispatcher\EventDispatcher;
use
Wingu\OctopusCore\EventDispatcher\EventInterface;
use
Wingu\OctopusCore\EventDispatcher\Event;
use
Wingu\OctopusCore\EventDispatcher\Subscription;
use
Wingu\OctopusCore\EventDispatcher\EventNameMatcher\AllNamesMatcher;
use
Wingu\OctopusCore\EventDispatcher\EventNameMatcher\NameMatcher;
use
Wingu\OctopusCore\EventDispatcher\EventNameMatcher\WildcardMatcher;

class
EventDispatcherTest extends TestCase {

    public function
testRaiseEventNoSubscriptions() {
       
$ed = new EventDispatcher();
       
$event = new Event(null);
       
$response = $ed->raiseEvent('test', $event);

       
$this->assertFalse($ed->hasEventSubscriptions('test'));
       
$this->assertCount(0, $response);
       
$this->assertSame($event, $response->getRaisedEvent());
    }

    public function
testRaiseEventUntilCallbackCalledAfterEvent() {
       
$ed = new EventDispatcher();
       
$event = new Event(null);

       
$callbackCalled = false;
       
$untilCallback = function () use (&$callbackCalled) {
           
$callbackCalled = true;
        };

       
$ed->on('test', function(EventInterface $event) use ($callbackCalled) {
           
$event->stopPropagation();
           
$this->assertFalse($callbackCalled);
        });

       
$ed->raiseEventUntil('test', $event, $untilCallback);

       
$this->assertTrue($callbackCalled);
    }

    public function
testRaiseEventUntilCallbackStops() {
       
$ed = new EventDispatcher();
       
$event = new Event(null);

       
$untilCallback = function () {
            return
false;
        };

       
$ed->on('test', function(EventInterface $event) {});
       
$ed->on('test', function(EventInterface $event) {
           
$this->fail('Callback returning FALSE did not stop the event.');
        });

       
$ed->raiseEventUntil('test', $event, $untilCallback);
    }

    public function
testStopEventPropagation() {
       
$ed = new EventDispatcher();
       
$event = new Event(null);

       
$responseReturn1 = new \stdClass();
       
$ed->on('test', function(EventInterface $event) use ($responseReturn1) {
           
$event->stopPropagation();
            return
$responseReturn1;
        });
       
$ed->on('test', function() {
           
$this->fail('Event propagation did not stop event handler trigger.');
        });
       
$ed->on('test2', function() {
           
$this->fail('Event should have not fired.');
        });

       
$this->assertSame(3, count($ed->getSubscriptions()));
       
$this->assertTrue($ed->hasEventSubscriptions('test'));
       
$this->assertSame(2, count($ed->getEventSubscriptions('test')));

       
$response = $ed->raiseEvent('test', $event);

       
$this->assertCount(1, $response);
       
$this->assertSame($event, $response->getRaisedEvent());
       
$this->assertSame($responseReturn1, $response[0]);
    }

    public function
testEventUnsubscribing() {
       
$ed = new EventDispatcher();
       
$event = new Event(null);
       
$handler = function() {
           
$this->fail('Event unsubscribing failed.');
        };
       
$ed->on('test', $handler);
       
$ed->off('test', $handler);

       
$ed->raiseEvent('test', $event);
    }

    public function
testRemoveSubscription() {
       
$ed = new EventDispatcher();

       
$handler1 = function() {};
       
$handler2 = function() {};
       
$subscription1 = new Subscription(new NameMatcher('test'), $handler1);
       
$subscription2 = new Subscription(new AllNamesMatcher(), $handler2);

       
$ed->addSubscription($subscription1);
       
$ed->addSubscription($subscription2);

       
$this->assertCount(2, $ed->getEventSubscriptions('test'));

       
$ed->removeSubscription($subscription1);
       
$this->assertCount(1, $ed->getEventSubscriptions('test'));

       
$ed->removeSubscription(new Subscription(new AllNamesMatcher(), $handler2));
       
$this->assertCount(0, $ed->getEventSubscriptions('test'));
    }

    public function
testAddSubscriber() {
       
$ed = new EventDispatcher();

       
$handler = function() {};
       
$subscription1 = new Subscription(new NameMatcher('test'), $handler);
       
$subscription2 = new Subscription(new NameMatcher('test'), $handler);

       
$subscriber = $this->getMock('Wingu\OctopusCore\EventDispatcher\EventSubscriberInterface');
       
$subscriber->expects($this->any())->method('getSubscriptions')->will($this->returnValue([$subscription1, $subscription2]));

       
$ed->addSubscriber($subscriber);

       
$this->assertCount(2, $ed->getEventSubscriptions('test'));

       
$ed->removeSubscriber($subscriber);
       
$this->assertFalse($ed->hasSubscriptions());
    }
}