<?php
  /**
   * Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace Test\Hooks;
  use OC\Hooks\PublicEmitter;
  
  class DummyForwardingEmitter extends \OC\Hooks\ForwardingEmitter {
  	public function emitEvent($scope, $method, $arguments = array()) {
  		$this->emit($scope, $method, $arguments);
  	}
  
  	/**
  	 * @param \OC\Hooks\Emitter $emitter
  	 */
  	public function forward($emitter) {
  		parent::forward($emitter);
  	}
  }
  
  /**
   * Class ForwardingEmitter
   *
   * allows forwarding all listen calls to other emitters
   *
   * @package OC\Hooks
   */
  class ForwardingEmitter extends BasicEmitter {
  	public function testSingleForward() {
  		$baseEmitter = new PublicEmitter();
  		$forwardingEmitter = new DummyForwardingEmitter();
  		$forwardingEmitter->forward($baseEmitter);
  		$hookCalled = false;
  		$forwardingEmitter->listen('Test', 'test', function () use (&$hookCalled) {
  			$hookCalled = true;
  		});
  		$baseEmitter->emit('Test', 'test');
  		$this->assertTrue($hookCalled);
  	}
  
  	public function testMultipleForwards() {
  		$baseEmitter1 = new PublicEmitter();
  		$baseEmitter2 = new PublicEmitter();
  		$forwardingEmitter = new DummyForwardingEmitter();
  		$forwardingEmitter->forward($baseEmitter1);
  		$forwardingEmitter->forward($baseEmitter2);
  		$hookCalled = 0;
  		$forwardingEmitter->listen('Test', 'test1', function () use (&$hookCalled) {
  			$hookCalled++;
  		});
  		$forwardingEmitter->listen('Test', 'test2', function () use (&$hookCalled) {
  			$hookCalled++;
  		});
  		$baseEmitter1->emit('Test', 'test1');
  		$baseEmitter1->emit('Test', 'test2');
  		$this->assertEquals(2, $hookCalled);
  	}
  
  	public function testForwardExistingHooks() {
  		$baseEmitter = new PublicEmitter();
  		$forwardingEmitter = new DummyForwardingEmitter();
  		$hookCalled = false;
  		$forwardingEmitter->listen('Test', 'test', function () use (&$hookCalled) {
  			$hookCalled = true;
  		});
  		$forwardingEmitter->forward($baseEmitter);
  		$baseEmitter->emit('Test', 'test');
  		$this->assertTrue($hookCalled);
  	}
  }