public async Task <Reservation> BookCarReservationAsync(BookCarReservationParameters parameters)
{
var clientTask = clientRep.GetAsync(parameters.ClientId);
var carTask = carRep.GetAsync(parameters.CarId);
var client = await clientTask;
var car = await carTask;
await ValidateAsync(parameters, car, client);
var reservation = new Reservation()
{
Car = car,
Client = client,
PickUpDateTime = parameters.PickUpDateTime,
ReturnDateTime = parameters.ReturnDateTime,
State = ReservationState.Booked
};
reservation.ClientAccount = new ClientAccount()
{
CancellationFeeValueAtBookingMoment = car.Type.CancellationRateFee,
RentalRateFeeValueAtBookingMoment = car.Type.RentalRateFee,
DepositFeePaid = CalculateDepositFeeToPay(reservation)
};
reservationRep.Insert(reservation);
await uow.CompleteAsync();
return(reservation);
}
[InlineData(200, 100, 1, 10, true, ErrorCode.PendingReservationExists)] //exists pending reservation
public async Task BookCarReservationAsync_InvalidReservation_ThrowsCustomException(long carId, long clientId, int pickupHours, int returnHours, bool hasReservation, ErrorCode errorCode)
{
//Arrange
var rentalRateFee = 10;
var depositFee = 0.5m;
var cancellationRateFee = 5;
var mockedReservationRepository = hasReservation ? GetReservationRepositoryWithPendingReservation() : GetReservationRepositoryWithoutReservation();
var mockedCarRepository = GetCarRepositoryWithCar(200, rentalRateFee, depositFee, cancellationRateFee);
var mockedClientRepository = GetClientRepositoryWithClient(100);
var bl = new BLReservation(mockedReservationRepository, mockedCarRepository, mockedClientRepository, mockedUnitOfWork);
var pickupDateTime = DateTime.Now.AddHours(pickupHours);
var returnDateTime = DateTime.Now.AddHours(returnHours);
var parameters = new BookCarReservationParameters()
{
CarId = carId,
ClientId = clientId,
PickUpDateTime = pickupDateTime,
ReturnDateTime = returnDateTime
};
//Act
async Task act() => await bl.BookCarReservationAsync(parameters);
//Assert
var exception = await Assert.ThrowsAsync <CustomException>(act);
Assert.Equal(errorCode, exception.code);
}
private async Task ValidateAsync(BookCarReservationParameters parameters, Car car, Client client)
{
if (car == null)
{
throw new CustomException($"Unknown Car - Id {parameters.CarId}", ErrorCode.UnknownCar);
}
if (client == null)
{
throw new CustomException($"Unknown Client - Id {parameters.ClientId}", ErrorCode.UnknownClient);
}
if (parameters.PickUpDateTime < DateTime.Now)
{
throw new CustomException($"PickUpDateTime must be greater than current DateTime", ErrorCode.PickUpDateTimeInThePast);
}
if (parameters.PickUpDateTime >= parameters.ReturnDateTime)
{
throw new CustomException($"ReturnDateTime must be greater than PickUpDateTime", ErrorCode.ReturnDateTimeBeforePickUpDateTime);
}
var pendingReservations = await reservationRep.GetPendingReservationByCarAsync(car.Id, parameters.PickUpDateTime, parameters.ReturnDateTime);
if (pendingReservations.Any())
{
throw new CustomException($"Car is not available in the selected period - CarId {car.Id} - PickUpDateTime {parameters.PickUpDateTime} - ReturnDateTime {parameters.ReturnDateTime} - Existing pending reservation id {pendingReservations.First().Id}", ErrorCode.PendingReservationExists);
}
}
public async Task BookCarReservationAsync_ValidReservation_CreatesNewReservation()
{
//Arrange
var carId = 200;
var clientId = 100;
var rentalRateFee = 10;
var depositFee = 0.5m;
var cancellationRateFee = 5;
var mockedReservationRepository = GetReservationRepositoryWithoutReservation();
var mockedCarRepository = GetCarRepositoryWithCar(carId, rentalRateFee, depositFee, cancellationRateFee);
var mockedClientRepository = GetClientRepositoryWithClient(clientId);
var bl = new BLReservation(mockedReservationRepository, mockedCarRepository, mockedClientRepository, mockedUnitOfWork);
var pickupDateTime = DateTime.Now.AddHours(1);
var returnDateTime = pickupDateTime.AddHours(10).AddMinutes(30);
var parameters = new BookCarReservationParameters()
{
CarId = 200,
ClientId = 100,
PickUpDateTime = pickupDateTime,
ReturnDateTime = returnDateTime
};
//Act
var reservation = await bl.BookCarReservationAsync(parameters);
//Assert
Assert.Equal(10.5m, reservation.DurationInHours);
Assert.Equal(pickupDateTime, reservation.PickUpDateTime);
Assert.Equal(returnDateTime, reservation.ReturnDateTime);
Assert.Equal(carId, reservation.Car.Id);
Assert.Equal(clientId, reservation.Client.Id);
Assert.Equal(ReservationState.Booked, reservation.State);
Assert.Equal(reservation.Car.Type.CancellationRateFee, reservation.ClientAccount.CancellationFeeValueAtBookingMoment);
Assert.Equal(reservation.Car.Type.RentalRateFee, reservation.ClientAccount.RentalRateFeeValueAtBookingMoment);
Assert.Equal(reservation.DurationInHours * rentalRateFee * depositFee, reservation.ClientAccount.DepositFeePaid);
}