public void Adding_SameItem_With_Different_Quantity_To_Basket_Should_Change_Quantity()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
Guid basketId = Faker.Random.Uuid();
Guid itemId = Faker.Random.Uuid();
const int quantity = 2;
const int toQuantity = 4;
var basketCreatedEvent = new BasketCreatedEvent(basketId);
var itemAddedEvent = new ItemAddedEvent(basketId, itemId, quantity);
var quantityChangedEvent = new ItemQuantityChangedEvent(basketId, itemId, quantity, toQuantity);
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Basket basket = Basket.Create(basketId);
basket.AddItem(itemId, quantity);
basket.AddItem(itemId, toQuantity);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
basket.Items.Count.Should().Be(1);
basket.ShouldPublishDomainEvents(basketCreatedEvent, itemAddedEvent, quantityChangedEvent);
}
public void BasketItem_Quantity_Should_Be_Changed()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange
//-----------------------------------------------------------------------------------------------------------
Guid basketId = Faker.Random.Uuid();
Guid itemId = Faker.Random.Uuid();
const int fromQuantity = 2;
const int toQuantity = 4;
var basketCreatedEvent = new BasketCreatedEvent(basketId);
var itemAddedEvent = new ItemAddedEvent(basketId, itemId, fromQuantity);
var itemQuantityChangedEvent = new ItemQuantityChangedEvent(basketId, itemId, fromQuantity, toQuantity);
//-----------------------------------------------------------------------------------------------------------
// Act
//-----------------------------------------------------------------------------------------------------------
Basket basket = Basket.Create(basketId);
basket.AddItem(itemId, fromQuantity);
basket.ChangeItemQuantity(itemId, toQuantity);
//-----------------------------------------------------------------------------------------------------------
// Assert
//-----------------------------------------------------------------------------------------------------------
basket.Items.Count.Should().Be(1);
basket.ShouldPublishDomainEvents(basketCreatedEvent, itemAddedEvent, itemQuantityChangedEvent);
}
private void When(ItemQuantityChangedEvent @event)
{
Items.First(x => x.Id == @event.ItemId).Route(@event);
}
private void When(ItemQuantityChangedEvent @event)
{
Quantity = @event.ToQuantity;
}
public Task Handle(ItemQuantityChangedEvent notification, CancellationToken cancellationToken)
{
// Handle Projections or inform the other Bounded Context...
return(Task.CompletedTask);
}
