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<?php |
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namespace Yiisoft\EventDispatcher\Tests; |
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use PHPUnit\Framework\TestCase; |
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use Psr\EventDispatcher\ListenerProviderInterface; |
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use Yiisoft\EventDispatcher\Dispatcher; |
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use Yiisoft\EventDispatcher\Tests\Event\Event; |
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use Yiisoft\EventDispatcher\Tests\Event\StoppableEvent; |
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class DispatcherTest extends TestCase |
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{ |
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public function testCallsAllListeners() |
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{ |
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$event = new Event(); |
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$provider = new class implements ListenerProviderInterface |
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{ |
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public function getListenersForEvent(object $event): iterable |
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{ |
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yield function (Event $event) { |
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$event->register(1); |
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}; |
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yield function (Event $event) { |
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$event->register(2); |
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}; |
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yield function (Event $event) { |
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$event->register(3); |
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}; |
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} |
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}; |
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$dispatcher = new Dispatcher($provider); |
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$dispatcher->dispatch($event); |
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$this->assertEquals([1, 2, 3], $event->registered()); |
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} |
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public function testPropagationStops() |
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{ |
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$event = new StoppableEvent(); |
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$provider = new class implements ListenerProviderInterface |
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{ |
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public function getListenersForEvent(object $event): iterable |
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{ |
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yield function (StoppableEvent $event) { |
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$event->register(1); |
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$event->stopPropagation(); |
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}; |
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yield function (StoppableEvent $event) { |
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$event->register(2); |
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}; |
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yield function (StoppableEvent $event) { |
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$event->register(3); |
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}; |
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} |
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}; |
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$dispatcher = new Dispatcher($provider); |
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$dispatcher->dispatch($event); |
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$this->assertEquals([1], $event->registered()); |
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} |
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} |
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yiisoft /
event-dispatcher
