public async Task Process_scenario_without_state_creates_it_on_start_message()
{
var personId = "Andrey";
var coffeMachineId = "Aulika Top";
await ProcessScenario.New(new SoftwareProgrammingProcess(), new SoftwareProgrammingProcessStateFactory(coffeMachineId))
.When(new GotTiredEvent(personId))
.Then(new MakeCoffeCommand(personId, coffeMachineId))
.Run()
.CheckProducedCommands();
}
public async Task Given_paying_state_When_account_withdrawal_for_bad_order_Then_state_is_not_changed()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.Paying));
await scenario.Given(state)
.When(new AccountWithdrawal(state.AccountId, Guid.NewGuid(), new Money(100)))
.Run()
.CheckProducedCommands()
.CheckOnlyStateNameChanged(nameof(BuyNow.Paying));
}
public async Task Given_paying_state_When_account_withdrawal_for_our_order_Then_state_is_taking_stock()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.Paying));
await scenario.Given(state)
.When(new AccountWithdrawal(state.AccountId, state.OrderId, new Money(100)))
.Then(new TakeReservedStockCommand(state.StockId, state.ReserveId))
.Run()
.CheckProducedCommands()
.CheckOnlyStateNameChanged(nameof(BuyNow.TakingStock));
}
public async Task Given_reserving_state_When_order_item_added_Then_reserve_stock_command_is_issued()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.Reserving), c => c.Without(d => d.ReserveId));
await scenario.Given(state)
.When(new StockReserved(state.StockId, state.ReserveId, DateTime.UtcNow.AddDays(1), state.Quantity))
.Then(new CalculateOrderTotalCommand(state.OrderId))
.Run()
.CheckProducedCommands()
.CheckStateName(nameof(BuyNow.Reserving));
}
public async Task Given_taking_stock_state_When_stockReserveTaken_Then_complete_order_and_complete_user_pending_order_commands_are_issued()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.TakingStock));
await scenario.Given(state)
.When(new StockReserveTaken(state.StockId, state.ReserveId))
.Then(new CompleteOrderCommand(state.OrderId),
new CompletePendingOrderCommand(state.UserId, state.OrderId))
.Run()
.CheckProducedCommands()
.CheckOnlyStateNameChanged(nameof(BuyNow.Final));
}
public async Task Given_sku_purchase_ordered_Then_buy_now_process_is_created_and_create_order_command_issued()
{
SkuPurchaseOrdered ordered = new Fixture().Create <SkuPurchaseOrdered>();
await ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory)
.When(ordered)
.Then(new CreateOrderCommand(ordered.OrderId, ordered.SourceId))
.Run()
.CheckProducedCommands(Compare.Ignore(nameof(ICommand.ProcessId),
nameof(Command.Time),
nameof(Command.Id)));
//igoring process id as it will be unique created on process creation from event
}
public async Task Given_reserving_state_When_order_total_calculated_Then_reserve_stock_command_is_issued_And_state_is_not_changed()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.Reserving), c => c.Without(d => d.ReserveId));
var totalPrice = new Money(100);
await scenario.Given(state)
.When(new OrderTotalCalculated(state.OrderId, totalPrice))
.Then(new PayForOrderCommand(state.AccountId, totalPrice, state.OrderId))
.Run()
.CheckProducedCommands()
.CheckStateName(nameof(BuyNow.Reserving));
}
public async Task Given_reserving_state_When_order_total_calculated_and__order_item_added_Then_state_is_changed()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.Reserving), c => c.Without(s => s.OrderWarReservedStatus));
var totalPrice = new Money(100);
await scenario.Given(state)
.When(new OrderTotalCalculated(state.OrderId, totalPrice),
new StockReserved(state.StockId, state.ReserveId, DateTime.UtcNow.AddDays(1), state.Quantity))
.Then(new PayForOrderCommand(state.AccountId, totalPrice, state.OrderId),
new CalculateOrderTotalCommand(state.OrderId))
.Run()
.CheckProducedCommands()
.CheckStateName(nameof(BuyNow.Paying));
}
public async Task Given_adding_order_items_state_When_order_item_added_Then_reserve_stock_command_is_issued()
{
var scenario = ProcessScenario.New <BuyNowState>(new BuyNow(_inMemoryPriceCalculator), _buyNowProcessStateFactory);
var state = scenario.NewState(nameof(BuyNow.AddingOrderItems), c => c.Without(d => d.ReserveId));
_inMemoryPriceCalculator.Add(state.SkuId, new Money(100));
await scenario.Given(state)
.When(
new ItemAdded(state.OrderId,
state.SkuId,
state.Quantity,
await _inMemoryPriceCalculator.CalculatePrice(state.SkuId, state.Quantity),
1))
.Then(new ReserveStockCommand(state.StockId, state.UserId, state.Quantity))
.Run()
.CheckProducedCommands()
.CheckOnlyStateNameChanged(nameof(BuyNow.Reserving));
}
public async Task Process_scenario_transit_on_events_respecting_giving_state()
{
var personId = Guid.NewGuid().ToString();
var coffeMachineId = Guid.NewGuid().ToString();
var sofaId = Guid.NewGuid().ToString();
var initialSofaId = Guid.NewGuid().ToString();
var scenario = ProcessScenario.New <SoftwareProgrammingState>(new SoftwareProgrammingProcess(), new SoftwareProgrammingProcessStateFactory());
var results = await scenario.Given(new SoftwareProgrammingState(Guid.NewGuid().ToString(), nameof(SoftwareProgrammingProcess.MakingCoffee)){ SofaId = initialSofaId })
.When(new CoffeMakeFailedEvent(coffeMachineId, personId),
new SleptWellEvent(personId, sofaId))
.Then(new GoSleepCommand(personId, initialSofaId))
.Run();
Assert.Single((IEnumerable)results.ExpectedCommands);
Assert.Equal(2, results.ReceivedEvents.Length);
Assert.Equal(sofaId, results.State.SofaId);
results.CheckStateName(nameof(SoftwareProgrammingProcess.Coding));
results.CheckProducedCommands();
}
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));
}