public async Task get_trip_async_should_invoke_repository_method()
{
var mockedRepository = new Mock <ITripRepository>();
var customerRepository = new Mock <ICustomerRepository>();
var mockedMapper = new Mock <ITraveloMapper>();
mockedRepository.Setup(x => x.GetTripAsync(It.IsAny <Guid>())).ReturnsAsync(DomainTestsHelper.ValidTrip);
var mockedDateTimeProvider = new Mock <IDateTimeOffsetProvider>();
var tripService =
new TripService(mockedRepository.Object, customerRepository.Object, mockedMapper.Object,
mockedDateTimeProvider.Object);
await tripService.GetTripAsync(Guid.NewGuid());
mockedRepository.Verify(x => x.GetTripAsync(It.IsAny <Guid>()), Times.Once());
}