/**
* Registers a handler to a particular event group.
*
* @param string $event The event name.
* @param callback $handler The handler, a function or an instance of a event object.
*
* @return JApplicationBase The application to allow chaining.
*
* @since 12.1
*/
public function registerEvent($event, $handler)
{
if ($this->dispatcher instanceof JEventDispatcher) {
$this->dispatcher->register($event, $handler);
}
return $this;
}
/**
* Sets up the fixture, for example, opens a network connection.
* This method is called before a test is executed.
*
* @return void
*
* @since 3.6
*/
protected function setUp()
{
parent::setUp();
$this->saveFactoryState();
JFactory::$application = $this->getMockCmsApp();
JFactory::$session = $this->getMockSession();
$this->dispatcher = new JEventDispatcher();
TestReflection::setValue($this->dispatcher, 'instance', $this->dispatcher);
$this->dispatcher->register('onAfterRenderModules', array($this, 'eventCallback'));
}
/**
* Test JEventDispatcher::trigger().
*
* @since 11.3
*
* @return void
*/
public function testTrigger()
{
$this->object->register('onTestEvent', 'JEventMockFunction');
$this->object->register('', 'JEventInspector');
// We check a non-existing event
$this->assertThat($this->object->trigger('onFakeEvent'), $this->equalTo(array()));
// Let's check the existing event "onTestEvent" without parameters
$this->assertThat($this->object->trigger('onTestEvent'), $this->equalTo(array('JEventDispatcherMockFunction executed', '')));
// Let's check the existing event "onTestEvent" with parameters
$this->assertThat($this->object->trigger('onTestEvent', array('one', 'two')), $this->equalTo(array('JEventDispatcherMockFunction executed', 'onetwo')));
// We check a situation where the observer is broken. Joomla should handle this gracefully
TestReflection::setValue($this->object, '_observers', array());
$this->assertThat($this->object->trigger('onTestEvent'), $this->equalTo(array()));
}
