public void RentBike(BikeId bikeId, BikeRack bikeRack)
{
// 1. Load bike rack aggregate by id
// 2. apply command (rent)
// 3. save
// 4. publish events
}
public void Given_BikeRackWithoutASingleBike_When_RentABike_ThenRentFails()
{
// given
var bikeRack = emptyBikeRack();
BikeId bikeId = anyBikeId();
Client client = clientWithSomeFunds();
// when
Check.ThatCode(() => bikeRack.Rent(bikeId, client))
// then
.Throws <BikeRentFailedException>();
}
public void CanRentABike()
{
// given
var bikeRack = nonEmptyBikeRack();
var bikeId = new BikeId();
Client client = clientWithSomeFunds();
// when
var bikeRent = bikeRack.Rent(bikeId, client);
// then
Check.That(bikeRent).IsNotNull();
}
/// <summary>
/// Rents a bike from this rack.
/// </summary>
/// <param name="bikeId">id of the bike to rent</param>
/// <param name="client">a client who wants to rent a bike</param>
/// <returns>emitted event</returns>
/// <exception cref="BikeRentFailedException">thrown when rent fails</exception>
public BikeRent Rent(BikeId bikeId, Client client)
{
if (client.HasNoFunds())
{
throw new BikeRentFailedException("Client has no funds");
}
if (AvailableBikes == 0)
{
throw new BikeRentFailedException("Bike rent failed");
}
AvailableBikes--;
return(new BikeRent());
}
public void When_RentBikeByClientWithoutFunds_ThenRentFails()
{
// given
BikeRack bikeRack = nonEmptyBikeRack();
BikeId bikeId = anyBikeId();
Client client = clientWithoutFunds();
// when
Check.ThatCode(() => bikeRack.Rent(bikeId, client))
// then
.Throws <BikeRentFailedException>()
.WithMessage("Client has no funds");
}
/// <summary>
/// Model must be validated!
/// </summary>
public BusinessEntities.Bikes.Bike ToEntity()
{
return(new BusinessEntities.Bikes.Bike(
BikeId.GetValueOrDefault(),
BikeState.Value,
BikeModel.ToEntityPartial(),
Color,
CurrentLocation,
CurrentLocationName,
AvailableFromUtc.GetValueOrDefault(),
RateAverage.GetValueOrDefault(),
Created.Value,
CreatedBy.ToEntityPartial(),
null,
ImageSeq,
true
));
}
