public void Adding_SameItem_With_Different_Quantity_To_Basket_Should_Change_Quantity()
{
var customerId = Faker.Random.Int(min: 1);
var itemId = Faker.Random.Int(min: 1);
var quantity = 2;
var toQuantity = 4;
var itemStockChecker = new Mock <IItemStockChecker>();
itemStockChecker.Setup(mr => mr.IsAvaliable(itemId, quantity)).Returns(Task.FromResult(true));
itemStockChecker.Setup(mr => mr.IsAvaliable(itemId, toQuantity)).Returns(Task.FromResult(true));
var basketCreatedEvent = new BasketCreatedEvent(customerId);
var basketItemAddedEvent = new BasketItemAddedEvent(customerId, itemId, quantity);
var basketItemQuantityChangedEvent =
new BasketItemQuantityChangedEvent(customerId, itemId, quantity, toQuantity);
var basket = Basket.Create(customerId);
basket.AddItem(itemId, quantity, itemStockChecker.Object);
basket.AddItem(itemId, toQuantity, itemStockChecker.Object);
basket.Items.Count.Should().Be(1);
basket.ShouldPublishDomainEvents(basketCreatedEvent, basketItemAddedEvent, basketItemQuantityChangedEvent);
}
public void BasketItem_Quantity_Should_Be_Changed()
{
var customerId = Faker.Random.Int(min: 1);
var itemId = Faker.Random.Int(min: 1);
const int fromQuantity = 2;
const int toQuantity = 4;
var itemStockChecker = new Mock <IItemStockChecker>();
itemStockChecker.Setup(mr => mr.IsAvaliable(itemId, fromQuantity)).Returns(Task.FromResult(true));
itemStockChecker.Setup(mr => mr.IsAvaliable(itemId, toQuantity)).Returns(Task.FromResult(true));
var basketCreatedEvent = new BasketCreatedEvent(customerId);
var basketItemAddedEvent = new BasketItemAddedEvent(customerId, itemId, fromQuantity);
var basketItemQuantityChangedEvent =
new BasketItemQuantityChangedEvent(customerId, itemId, fromQuantity, toQuantity);
var basket = Basket.Create(customerId);
basket.AddItem(itemId, fromQuantity, itemStockChecker.Object);
basket.ChangeItemQuantity(itemId, toQuantity, itemStockChecker.Object);
basket.Items.Count.Should().Be(1);
basket.ShouldPublishDomainEvents(basketCreatedEvent, basketItemAddedEvent, basketItemQuantityChangedEvent);
}
