public async Task <Ride> BringCustomerToTheTrainStation(Id <Customer> customerId, Location customerLocation)
{
var currentTime = await _timeProvider.GetCurrentTime();
// Find a cab
var cab = await _cabProvider.GetNearestAvailableCab(customerLocation);
cab.Embarc(customerId);
// Bring the customer to the trainstation
var rideId = Id <Ride> .CreateNew();
var destination = await _locationProvider.GetTrainStationLocation();
var ride = new Ride(rideId, customerId, cab.Id);
ride.SetDestination(destination);
ride.Start(currentTime);
var distance = await _trafficInformationProvider.GetDistanceBetweenLocations(destination, customerLocation);
var eta = await _trafficInformationProvider.GetTimeOfArival(currentTime, distance);
ride.Stop(eta);
// Update the cab administration
cab.GoTo(destination);
await _cabProvider.Update(cab);
return(ride);
}
public void Initialize()
{
// Create test data
_customerId = _fixture.Create <Id <Customer> >();
_customerLocation = _fixture.Create <Location>();
_cab = _fixture.Create <Cab>();
_trainStationLocation = _fixture.Create <Location>();
_currentTime = _fixture.Create <DateTime>();
_estimatedTimeOfArrival = _currentTime.AddMinutes(_fixture.Create <int>());
// Setup stubs
_locationProvider = Substitute.For <IProvideLocation>();
_locationProvider.GetTrainStationLocation().Returns(_trainStationLocation);
_cabProvider = Substitute.For <IProvideCab>();
_cabProvider.GetNearestAvailableCab(Arg.Any <Location>()).Returns(_cab);
_timeProvider = Substitute.For <IProvideTime>();
_timeProvider.GetCurrentTime().Returns(_currentTime);
_trafficInformationProvider = Substitute.For <IProvideTrafficInformation>();
_trafficInformationProvider.GetTimeOfArival(Arg.Any <DateTime>(), Arg.Any <Kilometer>()).Returns(_estimatedTimeOfArrival);
_trafficInformationProvider.GetDistanceBetweenLocations(Arg.Any <Location>(), Arg.Any <Location>()).Returns(_fixture.Create <Kilometer>());
// Create subject under test
_sut = new CabRideService(_locationProvider, _cabProvider, _timeProvider, _trafficInformationProvider);
}
public async Task WhenTrafficInformation_ShouldGetEstimatedTimeOfArrival()
{
// Arrange
var response = _fixture.Create <EstimatedTimeOfArrivalResponse>();
_httpClient
.PostAsync(Arg.Any <string>(), Arg.Any <HttpContent>())
.Returns(response.ToHttpResponseMessage());
var departureTime = _fixture.Create <DateTime>();
var distanceToCover = _fixture.Create <Kilometer>();
// Act
var actual = await _sut.GetTimeOfArival(departureTime, distanceToCover);
// Assert
actual.Should().NotBe(DateTime.MinValue);
}