public function testHandleThrowAExceptionWhenAHandlerHasNoEventMethod()
{
$this->setExpectedException(CanNotInvokeHandlerException::class);
$event = new \stdClass();
$domainMessage = new DomainMessage(12, 1, new Metadata(), $event, DateTime::now());
$badHandler = new \stdClass();
$this->nameExtractor->expects(self::atLeastOnce())->method('extract')->with($event)->willReturn('Finished');
$this->handlerLocator->expects(self::atLeastOnce())->method('getHandlersForEvent')->with('Finished')->willReturn([$badHandler]);
$this->methodNameInflector->expects(self::any())->method('inflect')->with($event, $badHandler)->willReturn('aEventMethod');
$this->eventListener->handle($domainMessage);
}
/**
* @param DomainMessage $domainMessage
* @return void
*/
public function handle(DomainMessage $domainMessage)
{
$event = $domainMessage->getPayload();
$eventName = $this->nameExtractor->extract($event);
$eventHandlers = $this->handlerLocator->getHandlersForEvent($eventName);
foreach ($eventHandlers as $handler) {
$methodName = $this->methodNameInflector->inflect($event, $handler);
// is_callable is used here instead of method_exists, as method_exists
// will fail when given a handler that relies on __call.
if (!is_callable([$handler, $methodName])) {
throw CanNotInvokeHandlerException::forEvent($event, sprintf("Method '%s' does not exist on handler", is_object($methodName) ? get_class($methodName) : gettype($methodName)));
}
$handler->{$methodName}($event, $domainMessage);
}
}
