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<?php declare(strict_types=1); |
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/* |
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* This file is part of Evenement. |
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* |
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* (c) Igor Wiedler <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Evenement\Tests; |
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use Evenement\EventEmitter; |
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use InvalidArgumentException; |
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use PHPUnit\Framework\TestCase; |
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class EventEmitterTest extends TestCase |
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{ |
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private $emitter; |
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public function setUp() |
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{ |
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$this->emitter = new EventEmitter(); |
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} |
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public function testAddListenerWithLambda() |
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{ |
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$this->emitter->on('foo', function () {}); |
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} |
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public function testAddListenerWithMethod() |
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{ |
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$listener = new Listener(); |
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$this->emitter->on('foo', [$listener, 'onFoo']); |
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} |
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public function testAddListenerWithStaticMethod() |
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{ |
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$this->emitter->on('bar', ['Evenement\Tests\Listener', 'onBar']); |
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} |
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public function testAddListenerWithInvalidListener() |
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{ |
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try { |
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$this->emitter->on('foo', 'not a callable'); |
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$this->fail(); |
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} catch (\Exception $e) { |
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} catch (\TypeError $e) { |
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} |
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} |
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public function testOnce() |
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{ |
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$listenerCalled = 0; |
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$this->emitter->once('foo', function () use (&$listenerCalled) { |
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$listenerCalled++; |
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}); |
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$this->assertSame(0, $listenerCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(1, $listenerCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(1, $listenerCalled); |
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} |
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public function testOnceWithArguments() |
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{ |
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$capturedArgs = []; |
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$this->emitter->once('foo', function ($a, $b) use (&$capturedArgs) { |
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$capturedArgs = array($a, $b); |
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}); |
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$this->emitter->emit('foo', array('a', 'b')); |
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$this->assertSame(array('a', 'b'), $capturedArgs); |
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} |
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public function testEmitWithoutArguments() |
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{ |
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$listenerCalled = false; |
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$this->emitter->on('foo', function () use (&$listenerCalled) { |
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$listenerCalled = true; |
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}); |
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$this->assertSame(false, $listenerCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(true, $listenerCalled); |
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} |
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public function testEmitWithOneArgument() |
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{ |
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$test = $this; |
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$listenerCalled = false; |
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$this->emitter->on('foo', function ($value) use (&$listenerCalled, $test) { |
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$listenerCalled = true; |
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$test->assertSame('bar', $value); |
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}); |
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$this->assertSame(false, $listenerCalled); |
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$this->emitter->emit('foo', ['bar']); |
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$this->assertSame(true, $listenerCalled); |
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} |
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public function testEmitWithTwoArguments() |
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{ |
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$test = $this; |
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$listenerCalled = false; |
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$this->emitter->on('foo', function ($arg1, $arg2) use (&$listenerCalled, $test) { |
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$listenerCalled = true; |
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$test->assertSame('bar', $arg1); |
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$test->assertSame('baz', $arg2); |
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}); |
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$this->assertSame(false, $listenerCalled); |
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$this->emitter->emit('foo', ['bar', 'baz']); |
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$this->assertSame(true, $listenerCalled); |
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} |
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public function testEmitWithNoListeners() |
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{ |
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$this->emitter->emit('foo'); |
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$this->emitter->emit('foo', ['bar']); |
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$this->emitter->emit('foo', ['bar', 'baz']); |
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} |
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public function testEmitWithTwoListeners() |
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{ |
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$listenersCalled = 0; |
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$this->emitter->on('foo', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->emitter->on('foo', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(2, $listenersCalled); |
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} |
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public function testRemoveListenerMatching() |
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{ |
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$listenersCalled = 0; |
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$listener = function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}; |
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$this->emitter->on('foo', $listener); |
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$this->emitter->removeListener('foo', $listener); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(0, $listenersCalled); |
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} |
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public function testRemoveListenerNotMatching() |
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{ |
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$listenersCalled = 0; |
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$listener = function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}; |
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$this->emitter->on('foo', $listener); |
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$this->emitter->removeListener('bar', $listener); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(1, $listenersCalled); |
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} |
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public function testRemoveAllListenersMatching() |
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{ |
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$listenersCalled = 0; |
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$this->emitter->on('foo', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->emitter->removeAllListeners('foo'); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(0, $listenersCalled); |
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} |
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public function testRemoveAllListenersNotMatching() |
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{ |
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$listenersCalled = 0; |
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$this->emitter->on('foo', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->emitter->removeAllListeners('bar'); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->assertSame(1, $listenersCalled); |
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} |
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public function testRemoveAllListenersWithoutArguments() |
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{ |
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$listenersCalled = 0; |
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$this->emitter->on('foo', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->emitter->on('bar', function () use (&$listenersCalled) { |
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$listenersCalled++; |
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}); |
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$this->emitter->removeAllListeners(); |
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$this->assertSame(0, $listenersCalled); |
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$this->emitter->emit('foo'); |
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$this->emitter->emit('bar'); |
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$this->assertSame(0, $listenersCalled); |
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} |
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public function testCallablesClosure() |
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{ |
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$calledWith = null; |
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$this->emitter->on('foo', function ($data) use (&$calledWith) { |
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$calledWith = $data; |
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}); |
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$this->emitter->emit('foo', ['bar']); |
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self::assertSame('bar', $calledWith); |
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} |
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public function testCallablesClass() |
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{ |
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$listener = new Listener(); |
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$this->emitter->on('foo', [$listener, 'onFoo']); |
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$this->emitter->emit('foo', ['bar']); |
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self::assertSame(['bar'], $listener->getData()); |
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} |
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public function testCallablesClassInvoke() |
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{ |
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$listener = new Listener(); |
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$this->emitter->on('foo', $listener); |
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$this->emitter->emit('foo', ['bar']); |
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self::assertSame(['bar'], $listener->getMagicData()); |
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} |
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public function testCallablesStaticClass() |
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{ |
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$this->emitter->on('foo', '\Evenement\Tests\Listener::onBar'); |
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$this->emitter->emit('foo', ['bar']); |
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self::assertSame(['bar'], Listener::getStaticData()); |
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} |
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public function testCallablesFunction() |
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{ |
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$this->emitter->on('foo', '\Evenement\Tests\setGlobalTestData'); |
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$this->emitter->emit('foo', ['bar']); |
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self::assertSame('bar', $GLOBALS['evenement-evenement-test-data']); |
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unset($GLOBALS['evenement-evenement-test-data']); |
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} |
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public function testListeners() |
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{ |
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$onA = function () {}; |
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$onB = function () {}; |
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$onC = function () {}; |
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$onceA = function () {}; |
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$onceB = function () {}; |
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$onceC = function () {}; |
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self::assertCount(0, $this->emitter->listeners('event')); |
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$this->emitter->on('event', $onA); |
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self::assertCount(1, $this->emitter->listeners('event')); |
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self::assertSame([$onA], $this->emitter->listeners('event')); |
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$this->emitter->once('event', $onceA); |
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self::assertCount(2, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onceA], $this->emitter->listeners('event')); |
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$this->emitter->once('event', $onceB); |
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self::assertCount(3, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onceA, $onceB], $this->emitter->listeners('event')); |
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$this->emitter->on('event', $onB); |
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self::assertCount(4, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onB, $onceA, $onceB], $this->emitter->listeners('event')); |
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$this->emitter->removeListener('event', $onceA); |
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self::assertCount(3, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onB, $onceB], $this->emitter->listeners('event')); |
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$this->emitter->once('event', $onceC); |
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self::assertCount(4, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onB, $onceB, $onceC], $this->emitter->listeners('event')); |
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$this->emitter->on('event', $onC); |
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self::assertCount(5, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onB, $onC, $onceB, $onceC], $this->emitter->listeners('event')); |
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$this->emitter->once('event', $onceA); |
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self::assertCount(6, $this->emitter->listeners('event')); |
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self::assertSame([$onA, $onB, $onC, $onceB, $onceC, $onceA], $this->emitter->listeners('event')); |
|
327
|
|
|
$this->emitter->removeListener('event', $onB); |
|
328
|
|
|
self::assertCount(5, $this->emitter->listeners('event')); |
|
329
|
|
|
self::assertSame([$onA, $onC, $onceB, $onceC, $onceA], $this->emitter->listeners('event')); |
|
330
|
|
|
$this->emitter->emit('event'); |
|
331
|
|
|
self::assertCount(2, $this->emitter->listeners('event')); |
|
332
|
|
|
self::assertSame([$onA, $onC], $this->emitter->listeners('event')); |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
public function testOnceCallIsNotRemovedWhenWorkingOverOnceListeners() |
|
336
|
|
|
{ |
|
337
|
|
|
$aCalled = false; |
|
338
|
|
|
$aCallable = function () use (&$aCalled) { |
|
339
|
|
|
$aCalled = true; |
|
340
|
|
|
}; |
|
341
|
|
|
$bCalled = false; |
|
342
|
|
|
$bCallable = function () use (&$bCalled, $aCallable) { |
|
343
|
|
|
$bCalled = true; |
|
344
|
|
|
$this->emitter->once('event', $aCallable); |
|
345
|
|
|
}; |
|
346
|
|
|
$this->emitter->once('event', $bCallable); |
|
347
|
|
|
|
|
348
|
|
|
self::assertFalse($aCalled); |
|
349
|
|
|
self::assertFalse($bCalled); |
|
350
|
|
|
$this->emitter->emit('event'); |
|
351
|
|
|
|
|
352
|
|
|
self::assertFalse($aCalled); |
|
353
|
|
|
self::assertTrue($bCalled); |
|
354
|
|
|
$this->emitter->emit('event'); |
|
355
|
|
|
|
|
356
|
|
|
self::assertTrue($aCalled); |
|
357
|
|
|
self::assertTrue($bCalled); |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
public function testEventNameMustBeStringOn() |
|
361
|
|
|
{ |
|
362
|
|
|
self::expectException(InvalidArgumentException::class); |
|
|
|
|
|
|
363
|
|
|
self::expectExceptionMessage('event name must not be null'); |
|
|
|
|
|
|
364
|
|
|
|
|
365
|
|
|
$this->emitter->on(null, function () {}); |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
public function testEventNameMustBeStringOnce() |
|
369
|
|
|
{ |
|
370
|
|
|
self::expectException(InvalidArgumentException::class); |
|
|
|
|
|
|
371
|
|
|
self::expectExceptionMessage('event name must not be null'); |
|
|
|
|
|
|
372
|
|
|
|
|
373
|
|
|
$this->emitter->once(null, function () {}); |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
public function testEventNameMustBeStringRemoveListener() |
|
377
|
|
|
{ |
|
378
|
|
|
self::expectException(InvalidArgumentException::class); |
|
|
|
|
|
|
379
|
|
|
self::expectExceptionMessage('event name must not be null'); |
|
|
|
|
|
|
380
|
|
|
|
|
381
|
|
|
$this->emitter->removeListener(null, function () {}); |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
public function testEventNameMustBeStringEmit() |
|
385
|
|
|
{ |
|
386
|
|
|
self::expectException(InvalidArgumentException::class); |
|
|
|
|
|
|
387
|
|
|
self::expectExceptionMessage('event name must not be null'); |
|
|
|
|
|
|
388
|
|
|
|
|
389
|
|
|
$this->emitter->emit(null); |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
public function testListenersGetAll() |
|
393
|
|
|
{ |
|
394
|
|
|
$a = function () {}; |
|
395
|
|
|
$b = function () {}; |
|
396
|
|
|
$c = function () {}; |
|
397
|
|
|
$d = function () {}; |
|
398
|
|
|
|
|
399
|
|
|
$this->emitter->once('event2', $c); |
|
400
|
|
|
$this->emitter->on('event', $a); |
|
401
|
|
|
$this->emitter->once('event', $b); |
|
402
|
|
|
$this->emitter->on('event', $c); |
|
403
|
|
|
$this->emitter->once('event', $d); |
|
404
|
|
|
|
|
405
|
|
|
self::assertSame( |
|
406
|
|
|
[ |
|
407
|
|
|
'event' => [ |
|
408
|
|
|
$a, |
|
409
|
|
|
$c, |
|
410
|
|
|
$b, |
|
411
|
|
|
$d, |
|
412
|
|
|
], |
|
413
|
|
|
'event2' => [ |
|
414
|
|
|
$c, |
|
415
|
|
|
], |
|
416
|
|
|
], |
|
417
|
|
|
$this->emitter->listeners() |
|
418
|
|
|
); |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
public function testOnceNestedCallRegression() |
|
422
|
|
|
{ |
|
423
|
|
|
$first = 0; |
|
424
|
|
|
$second = 0; |
|
425
|
|
|
|
|
426
|
|
|
$this->emitter->once('event', function () use (&$first, &$second) { |
|
427
|
|
|
$first++; |
|
428
|
|
|
$this->emitter->once('event', function () use (&$second) { |
|
429
|
|
|
$second++; |
|
430
|
|
|
}); |
|
431
|
|
|
$this->emitter->emit('event'); |
|
432
|
|
|
}); |
|
433
|
|
|
$this->emitter->emit('event'); |
|
434
|
|
|
|
|
435
|
|
|
self::assertSame(1, $first); |
|
436
|
|
|
self::assertSame(1, $second); |
|
437
|
|
|
} |
|
438
|
|
|
} |
|
439
|
|
|
|
deployphp /
deployer
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