public async Task Ordering_with_credit_card_payment_through_PaymentGateway([Frozen] PaymentGateway paymentGateway, TestableHomeController sut, RestaurantDbContext setupDb)
{
// Given
await setupDb.EnsureSeededAsync();
var orderItem = setupDb.MenuItems.First();
// When
var result = sut.Order(new OrderBuilder(orderItem).WithCreditCard().Build());
// Then
paymentGateway.Received().Pay(Arg.Any <CreditCard>(), Arg.Any <int>(), Arg.Any <decimal>());
}
public async Task Ordering_one_item_takes_correct_payment_amount([Frozen] PaymentGateway paymentGateway, TestableHomeController sut, RestaurantDbContext context)
{
// Given
await context.EnsureSeededAsync();
var orderItem = context.MenuItems.First();
// When
var result = sut.Order(new OrderBuilder(orderItem).Build());
// Then
paymentGateway.Received().Pay(Arg.Any <PaymentProvider>(), Arg.Any <int>(), orderItem.Price);
}
public async Task Ordering_multiple_items_takes_correct_payment_amount([Frozen] PaymentGateway paymentGateway, TestableHomeController sut, RestaurantDbContext context)
{
// Given
await context.EnsureSeededAsync();
var orderItems = context.MenuItems.Take(3).ToList();
var totalPrice = orderItems.Aggregate(0m, (sum, item) => sum + item.Price);
// When
var result = sut.Order(new OrderBuilder(orderItems).Build());
// Then
paymentGateway.Received().Pay(Arg.Any <PaymentProvider>(), Arg.Any <int>(), totalPrice);
}
public async Task Ordering_successfully_shows_item_ordered_in_view(TestableHomeController sut, RestaurantDbContext setupDb)
{
// Given
await setupDb.EnsureSeededAsync();
var orderItem = setupDb.MenuItems.First();
// When
var result = sut.Order(new OrderBuilder(orderItem).Build());
// Then
result
.Should().BeAssignableTo <ViewResult>()
.Which.Model.Should().BeAssignableTo <OrderCommandResult>()
.Which.Ordered.Should().BeEquivalentTo(orderItem);
}