This plugin can be used to lazy load message handlers.
Initialize it with a Interop\Container\ContainerInterface
and route your messages to the service id only.
/**
* @test
*/
public function it_locates_a_service_using_the_message_handler_param_of_the_action_event()
{
$handler = new MessageHandler();
$container = $this->prophesize(ContainerInterface::class);
$container->has("custom-handler")->willReturn(true);
$container->get("custom-handler")->willReturn($handler);
$locatorPlugin = new ServiceLocatorPlugin($container->reveal());
$actionEvent = new DefaultActionEvent(MessageBus::EVENT_LOCATE_HANDLER, new CommandBus(), [MessageBus::EVENT_PARAM_MESSAGE_HANDLER => "custom-handler"]);
$locatorPlugin->onLocateMessageHandler($actionEvent);
$this->assertSame($handler, $actionEvent->getParam(MessageBus::EVENT_PARAM_MESSAGE_HANDLER));
}
