public void setUp()
{
cargoRepository = MockRepository.GenerateMock<CargoRepository>();
locationRepository = MockRepository.GenerateMock<LocationRepository>();
routingService = MockRepository.GenerateMock<RoutingService>();
trackingIdFactory = MockRepository.GenerateMock<TrackingIdFactory>();
bookingService = new BookingServiceImpl(routingService, trackingIdFactory, cargoRepository, locationRepository);
}