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<?php |
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namespace Yiisoft\EventDispatcher\Tests\Provider; |
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use InvalidArgumentException; |
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use PHPUnit\Framework\TestCase; |
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use Yiisoft\EventDispatcher\Provider\Provider; |
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use Yiisoft\EventDispatcher\Tests\Event\ClassItself; |
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use Yiisoft\EventDispatcher\Tests\Event\Event; |
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use Yiisoft\EventDispatcher\Tests\Event\ParentClass; |
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use Yiisoft\EventDispatcher\Tests\Event\ParentInterface; |
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use Yiisoft\EventDispatcher\Tests\Event\ClassInterface; |
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use Yiisoft\EventDispatcher\Tests\Listener\Invokable; |
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use Yiisoft\EventDispatcher\Tests\Listener\NonStatic; |
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use Yiisoft\EventDispatcher\Tests\Listener\WithStaticMethod; |
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final class ProviderTest extends TestCase |
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{ |
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public function testAttachCallableArray(): void |
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{ |
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$this->provider->attach([WithStaticMethod::class, 'handle']); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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} |
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public function testAttachCallableFunction(): void |
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{ |
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$this->provider->attach('Yiisoft\EventDispatcher\Tests\Provider\handle'); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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} |
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public function testAttachClosure(): void |
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{ |
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$this->provider->attach(function (Event $event) { |
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// do nothing |
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}); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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} |
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public function testAttachCallableObject(): void |
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{ |
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$this->provider->attach([new NonStatic(), 'handle']); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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} |
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public function testInvokable(): void |
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{ |
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$this->provider->attach(new Invokable()); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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} |
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public function testListenersForClassHierarchyAreReturned(): void |
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{ |
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$this->provider->attach(function (ParentInterface $parentInterface) { |
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$parentInterface->register('parent interface'); |
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}); |
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$this->provider->attach(function (ParentClass $parentClass) { |
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$parentClass->register('parent class'); |
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}); |
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$this->provider->attach(function (ClassInterface $classInterface) { |
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$classInterface->register('class interface'); |
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}); |
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$this->provider->attach(function (ClassItself $classItself) { |
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$classItself->register('class itself'); |
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}); |
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$event = new ClassItself(); |
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foreach ($this->provider->getListenersForEvent($event) as $listener) { |
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$listener($event); |
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} |
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$classHierarchyHandlers = array_slice($event->registered(), 0, 2); |
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$interfaceHandlers = array_slice($event->registered(), 2); |
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$this->assertEquals( |
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[ |
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'class itself', |
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'parent class' |
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], |
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$classHierarchyHandlers |
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); |
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$this->assertContains('class interface', $interfaceHandlers); |
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$this->assertContains('parent interface', $interfaceHandlers); |
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} |
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public function testDetachListenersForEventAreDetached(): void |
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{ |
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$this->provider->attach(fn (Event $event) => null); |
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$this->provider->detach(Event::class); |
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$listeners = $this->provider->getListenersForEvent(new Event()); |
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$this->assertCount(0, $listeners); |
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} |
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public function testListenerWithNoParameterThrowsException(): void |
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{ |
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$this->expectException(InvalidArgumentException::class); |
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$this->expectExceptionMessage('Listeners must declare an object type they can accept.'); |
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$this->provider->attach(fn () => null); |
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} |
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} |
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function handle(Event $event): void |
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{ |
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// do nothing |
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} |
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yiisoft /
event-dispatcher
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