public function testDispatcherBinding()
{
$listener = function () {
return 'callback';
};
$pattern = new ListenerPattern('core.*', $listener, $priority = 0);
$dispatcher = $this->getMockBuilder(Dispatcher::class)->setMethods(['attach', 'once', 'trigger', 'getListeners', 'detach', 'removeAllListeners', 'hasListeners'])->getMock();
$dispatcher->expects($this->once())->method('attach')->with('core.request', $listener, $priority);
$pattern->bind($dispatcher, 'core.request');
// bind() should avoid adding the listener multiple times to the same event
$pattern->bind($dispatcher, 'core.request');
}
