135 lines
5.1 KiB
PHP
135 lines
5.1 KiB
PHP
<?php
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/*
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* This file is part of the symfony package.
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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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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require_once __DIR__.'/../../../bootstrap.php';
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use Symfony\Components\EventDispatcher\Event;
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use Symfony\Components\EventDispatcher\EventDispatcher;
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$t = new LimeTest(19);
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$dispatcher = new EventDispatcher();
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// ->connect() ->disconnect()
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$t->diag('->connect() ->disconnect()');
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$dispatcher->connect('bar', 'listenToBar');
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$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->connect() connects a listener to an event name');
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$dispatcher->connect('bar', 'listenToBarBar');
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$t->is($dispatcher->getListeners('bar'), array('listenToBar', 'listenToBarBar'), '->connect() can connect several listeners for the same event name');
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$dispatcher->connect('barbar', 'listenToBarBar');
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$dispatcher->disconnect('bar', 'listenToBarBar');
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$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->disconnect() disconnects a listener for an event name');
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$t->is($dispatcher->getListeners('barbar'), array('listenToBarBar'), '->disconnect() disconnects a listener for an event name');
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$t->ok($dispatcher->disconnect('foobar', 'listen') === false, '->disconnect() returns false if the listener does not exist');
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// ->getListeners() ->hasListeners()
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$t->diag('->getListeners() ->hasListeners()');
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$t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener');
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$dispatcher->connect('foo', 'listenToFoo');
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$t->is($dispatcher->hasListeners('foo'), true, '->hasListeners() returns true if the event has some listeners');
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$dispatcher->disconnect('foo', 'listenToFoo');
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$t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener');
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$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->getListeners() returns an array of listeners connected to the given event name');
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$t->is($dispatcher->getListeners('foobar'), array(), '->getListeners() returns an empty array if no listener are connected to the given event name');
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$listener = new Listener();
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// ->notify()
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$t->diag('->notify()');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'listenToFoo'));
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$dispatcher->connect('foo', array($listener, 'listenToFooBis'));
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$e = $dispatcher->notify($event = new Event(new stdClass(), 'foo'));
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$t->is($listener->getValue(), 'listenToFoolistenToFooBis', '->notify() notifies all registered listeners in order');
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$t->is($e, $event, '->notify() returns the event object');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'listenToFooBis'));
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$dispatcher->connect('foo', array($listener, 'listenToFoo'));
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$dispatcher->notify(new Event(new stdClass(), 'foo'));
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$t->is($listener->getValue(), 'listenToFooBislistenToFoo', '->notify() notifies all registered listeners in order');
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// ->notifyUntil()
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$t->diag('->notifyUntil()');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'listenToFoo'));
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$dispatcher->connect('foo', array($listener, 'listenToFooBis'));
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$e = $dispatcher->notifyUntil($event = new Event(new stdClass(), 'foo'));
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$t->is($listener->getValue(), 'listenToFoolistenToFooBis', '->notifyUntil() notifies all registered listeners in order and stops if it returns true');
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$t->is($e, $event, '->notifyUntil() returns the event object');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'listenToFooBis'));
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$dispatcher->connect('foo', array($listener, 'listenToFoo'));
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$e = $dispatcher->notifyUntil($event = new Event(new stdClass(), 'foo'));
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$t->is($listener->getValue(), 'listenToFooBis', '->notifyUntil() notifies all registered listeners in order and stops if it returns true');
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// ->filter()
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$t->diag('->filter()');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'filterFoo'));
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$dispatcher->connect('foo', array($listener, 'filterFooBis'));
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$e = $dispatcher->filter($event = new Event(new stdClass(), 'foo'), 'foo');
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$t->is($e->getReturnValue(), '-*foo*-', '->filter() filters a value');
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$t->is($e, $event, '->filter() returns the event object');
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$listener->reset();
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$dispatcher = new EventDispatcher();
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$dispatcher->connect('foo', array($listener, 'filterFooBis'));
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$dispatcher->connect('foo', array($listener, 'filterFoo'));
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$e = $dispatcher->filter($event = new Event(new stdClass(), 'foo'), 'foo');
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$t->is($e->getReturnValue(), '*-foo-*', '->filter() filters a value');
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class Listener
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{
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protected
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$value = '';
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function filterFoo(Event $event, $foo)
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{
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return "*$foo*";
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}
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function filterFooBis(Event $event, $foo)
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{
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return "-$foo-";
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}
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function listenToFoo(Event $event)
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{
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$this->value .= 'listenToFoo';
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}
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function listenToFooBis(Event $event)
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{
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$this->value .= 'listenToFooBis';
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return true;
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}
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function getValue()
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{
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return $this->value;
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}
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function reset()
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{
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$this->value = '';
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}
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}
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