public function testAppendData()
{
$data = array('package' => true);
$event = new Event('test', $data);
$this->assertEquals(array('package' => true), $event->data());
$data2 = array('package2' => true);
$event->data($data2, true);
$this->assertEquals(array('package' => true, 'package2' => true), $event->data());
}
/**
* Call all listeners registered to provided event with data.
*
* Returns true if a registered event's callback was called.
*
* @param \Zumba\Symbiosis\Event\Event $event Event object
* @param array $data Data to append/override in the event object
* @return boolean
*/
public function trigger(Event $event, $data = array())
{
$eventName = $event->name();
$event->data(array_merge($event->data(), $data));
if (!isset($this->registry[$eventName])) {
Log::write('No event registered.', Log::LEVEL_DEBUG, compact('eventName'));
return false;
}
Log::write('Event triggered.', Log::LEVEL_DEBUG, compact('eventName'));
foreach ($this->registry[$eventName] as $listeners) {
foreach ($listeners as $listener) {
if ($listener($event) === false) {
$event->stopPropagation();
}
if (!$event->isPropagating()) {
Log::write('Propagation stopped.', Log::LEVEL_DEBUG, compact('listener', 'eventName'));
break;
}
}
}
return true;
}
public function register2(Event $e)
{
$data = $e->data();
$data['called']++;
$e->data($data);
}
public function testEventPriority()
{
$event = new Event('test.event1', array());
// lower priority
$lowPriority = function (Event $event) {
$data = $event->data();
$data['order'][] = 3;
$event->data($data);
};
$highPriority = function (Event $event) {
$data = $event->data();
$data['order'][] = 1;
$event->data($data);
};
$alsoHighPriority = function (Event $event) {
$data = $event->data();
$data['order'][] = 2;
$event->data($data);
};
$this->registry->register('test.event1', $lowPriority, EventRegistry::PRIORITY_LOW);
$this->registry->register('test.event1', $highPriority, EventRegistry::PRIORITY_HIGH);
$this->registry->register('test.event1', $alsoHighPriority, EventRegistry::PRIORITY_HIGH);
$event = new Event('test.event1', array('order' => array()));
$this->registry->trigger($event);
$data = $event->data();
$this->assertEquals(array(1, 2, 3), $data['order']);
}