public void ApplyDiscountWhenCartHasTwoItemsDiscountFalseTest()
{
List <Category> categoriesKeyboard = new List <Category>()
{
new Category("Keyboards", ""),
};
List <Category> categoriesHeadset = new List <Category>()
{
new Category("Hardware", ""),
new Category("Headsets", ""),
};
List <ProductItem> products = new List <ProductItem>()
{
new ProductItem("Intel's Core i9-9900K", "", 20, (decimal)129.40, categoriesKeyboard),
new ProductItem("Razer BlackWidow Keyboard", "", 20, (decimal)52.20, categoriesHeadset),
};
List <ItemOrder> itemOrders = new List <ItemOrder>()
{
new ItemOrder(products[0], 1),
new ItemOrder(products[1], 1),
};
ShoppingCart cart = new ShoppingCart(itemOrders);
ShoppingCartUtils.SetTotalPriceWithDiscount(cart);
Assert.Equal((decimal)181.60, cart.TotalPrice);
}
public void InvalidShoppingCartTest()
{
List <Category> categoriesKeyboard = new List <Category>()
{
new Category("Keyboards", ""),
new Category("Hardware", ""),
};
List <Category> categoriesHeadset = new List <Category>()
{
new Category("Hardware", ""),
new Category("Headsets", ""),
};
List <ProductItem> products = new List <ProductItem>()
{
new ProductItem("Intel's Core i9-9900K", "", 20, (decimal)129.40, categoriesKeyboard),
new ProductItem("Razer BlackWidow Keyboard", "", 20, (decimal)52.20, categoriesHeadset),
};
List <ItemOrder> itemOrders = new List <ItemOrder>()
{
new ItemOrder(products[0], 2),
new ItemOrder(products[1], 25), // 25 (PurchasedQuantity) > 20 (StockQuantity)
};
ShoppingCart cart = new ShoppingCart(itemOrders);
ShoppingCartUtils.SetTotalPriceWithDiscount(cart);
Assert.True(ShoppingCartUtils.DebugMessages.Contains("Cart is not valid"));
}
public async Task <string> Submit(ShoppingCart cart)
{
if (!(AllAsNoTracking().Select(x => x.ID).Contains(cart.ID)))
{
return("Cart could not be found in DB");
}
await SetShoppingCart(cart);
if (ShoppingCartUtils.SetTotalPriceWithDiscount(cart))
{
cart.IsPaid = true;
await Update(cart);
// Updating every productItem's StockQuantity after submitting the cart
foreach (var itemOrder in cart.ItemOrders)
{
itemOrder.ProductItem.Quantity -= itemOrder.PurchaseQuantity;
await productItemService.Update(itemOrder.ProductItem);
}
}
else
{
return("Cart is not valid");
}
return(ShoppingCartUtils.DebugMessages.Any()
? string.Join("\n", ShoppingCartUtils.DebugMessages)
: "No discounts applied \nCart's TotalValue updated");
}
public void ApplyDiscountWhenCartHasNoItemsTest()
{
ShoppingCart cart = new ShoppingCart();
ShoppingCartUtils.SetTotalPriceWithDiscount(cart);
Assert.True(ShoppingCartUtils.DebugMessages.Contains("Cart has no orders"));
}
public void ApplyDiscountWhenCartHasOneItemTest()
{
List <Category> categories = new List <Category>()
{
new Category("Keyboards", ""),
new Category("Hardware", ""),
};
List <ProductItem> products = new List <ProductItem>()
{
new ProductItem("Keywire Keyboard", "", 20, (decimal)129.40, categories),
};
List <ItemOrder> itemOrders = new List <ItemOrder>()
{
new ItemOrder(products[0], 1),
};
ShoppingCart cart = new ShoppingCart(itemOrders);
ShoppingCartUtils.SetTotalPriceWithDiscount(cart);
Assert.Equal((decimal)129.40, cart.TotalPrice);
}
