thephpleague / event

    /**

     * @test

     */

    public function it_uses_a_provided_listener_provider(): void

    {

        $listenerSpy = new ListenerSpy();

        $provider = new PrioritizedListenerCollection();

        $provider->subscribeTo(stdClass::class, $listenerSpy);

        $dispatcher = new EventDispatcher($provider);

        $event = new stdClass();

        $dispatcher->dispatch($event);

        $this->assertTrue($listenerSpy->wasCalledWith($event));

    }

    /**

     * @test

    /**

     * @test

     */

    public function it_only_keeps_notifying_handlers_when_the_event_propagation_is_not_stopped(): void

    {

        $dispatcher = new EventDispatcher();

        $listenerSpy = new ListenerSpy();

        $event = new StubStoppableEvent();

        $dispatcher->subscribeTo(

            StubStoppableEvent::class,

            function (StubStoppableEvent $event) {

                $event->stopPropagation();

            }

        );

        $dispatcher->subscribeTo(StubStoppableEvent::class, $listenerSpy);

        $dispatcher->dispatch($event);

        $this->assertFalse($listenerSpy->wasCalledWith($event));

    }

    /**

     * @test