public function testGetHasListeners()
{
$dispatcher = new EventDispatcher();
$this->assertFalse($dispatcher->hasListeners('foo'), '->hasListeners() returns false if the event has no listener');
$dispatcher->connect('foo', 'listenToFoo');
$this->assertEquals(true, $dispatcher->hasListeners('foo'), '->hasListeners() returns true if the event has some listeners');
$dispatcher->disconnect('foo', 'listenToFoo');
$this->assertFalse($dispatcher->hasListeners('foo'), '->hasListeners() returns false if the event has no listener');
$dispatcher->connect('bar', 'listenToBar');
$this->assertEquals(array('listenToBar'), $dispatcher->getListeners('bar'), '->getListeners() returns an array of listeners connected to the given event name');
$this->assertEquals(array(), $dispatcher->getListeners('foobar'), '->getListeners() returns an empty array if no listener are connected to the given event name');
}
/*
* This file is part of the symfony package.
* (c) Fabien Potencier <*****@*****.**>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
require_once __DIR__ . '/../../../bootstrap.php';
use Symfony\Components\EventDispatcher\Event;
use Symfony\Components\EventDispatcher\EventDispatcher;
$t = new LimeTest(19);
$dispatcher = new EventDispatcher();
// ->connect() ->disconnect()
$t->diag('->connect() ->disconnect()');
$dispatcher->connect('bar', 'listenToBar');
$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->connect() connects a listener to an event name');
$dispatcher->connect('bar', 'listenToBarBar');
$t->is($dispatcher->getListeners('bar'), array('listenToBar', 'listenToBarBar'), '->connect() can connect several listeners for the same event name');
$dispatcher->connect('barbar', 'listenToBarBar');
$dispatcher->disconnect('bar', 'listenToBarBar');
$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->disconnect() disconnects a listener for an event name');
$t->is($dispatcher->getListeners('barbar'), array('listenToBarBar'), '->disconnect() disconnects a listener for an event name');
$t->ok($dispatcher->disconnect('foobar', 'listen') === false, '->disconnect() returns false if the listener does not exist');
// ->getListeners() ->hasListeners()
$t->diag('->getListeners() ->hasListeners()');
$t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener');
$dispatcher->connect('foo', 'listenToFoo');
$t->is($dispatcher->hasListeners('foo'), true, '->hasListeners() returns true if the event has some listeners');
$dispatcher->disconnect('foo', 'listenToFoo');
$t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener');
$t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->getListeners() returns an array of listeners connected to the given event name');