public async Task Given_creating_order_state_When_order_created_Then_add_items_to_order_command_is_issued()
{
var calculator = new InMemoryPriceCalculator();
var factory = new BuyNowProcessStateFactory();
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(calculator), factory);
var state = scenario.NewState(nameof(BuyNow.CreatingOrder), c => c.Without(d => d.ReserveId));
calculator.Add(state.SkuId, new Money(100));
await scenario.Given(state)
.When(new OrderCreated(state.OrderId, 123, state.UserId, OrderStatus.Created))
.Then(
new AddItemToOrderCommand(state.OrderId,
state.SkuId,
state.Quantity,
await calculator.CalculatePrice(state.SkuId, state.Quantity)))
.Run()
.CheckProducedCommands()
.CheckOnlyStateNameChanged(nameof(BuyNow.AddingOrderItems));
}
public BuyNowProcess_tests()
{
_inMemoryPriceCalculator = new InMemoryPriceCalculator();
_buyNowProcessStateFactory = new BuyNowProcessStateFactory();
}