public void After_Updating_The_Quantity_On_An_Item_Already_In_A_Basket_Both_The_Basket_And_Item_Quantities_Are_Correct(int itemId, string itemName, decimal itemPrice)
{
//Arrange
IShoppingItem item = new ShoppingItem(itemId, itemName, itemPrice);
//Act
IShoppingBasketItem basketItem = _basket.AddItem(item);
_basket.AddItem(item, 3); //As there is no "Edit" method defined on the interface updating the quantity is done by adding another item
_basket.RemoveItem(basketItem); //As we added 4 Items and removed 1, 3 Items should now remain in the Basket
//Assert
List <IShoppingBasketItem> basketItems = _basket.Items as List <IShoppingBasketItem>;
basketItems.FirstOrDefault(x => x.Id == itemId).Quantity.Should().Be(3);
basketItems.Sum(x => x.Quantity).Should().Be(3);
}
public void WhenItemsAreRemoved(string itemStringIds)
{
var itemIds = itemStringIds.Split(',').Select(s => int.Parse(s.Trim()));
var basketItems = itemIds
.Select(id => _shoppingBasket.Items.FirstOrDefault(i => i.Id == id))
.Where(i => i != null);
// for removal of non existant item scenario
if (basketItems.Count() == 0)
{
basketItems = itemIds.Select(id => CreateItem <DefaultShoppingBasketItem>(id));
}
foreach (var basketItem in basketItems)
{
_shoppingBasket.RemoveItem(basketItem);
}
}
public ActionResult Remove(int id)
{
_basket.RemoveItem(id);
return(RedirectToAction("Index"));
}