public void ShoppingCartByCoupon_BelowDiscountThreshold()
{
// arrange
ShoppingCartByCoupon shoppingCart = new ShoppingCartByCoupon(new ShoppingCart(), 5, 100);
ProductSellFactory productSellFactory = new ProductSellFactory();
ProductSellByWeight p1 = (ProductSellByWeight)productSellFactory.GetProductSell(ProductSellType.byWeight);
p1.productId = 124;
p1.productName = "Apple";
p1.unitPrice = 2.49m;
p1.addWeight(2.4m);
ProductSellByQuantity p2 = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p2.productId = 276;
p2.productName = "Boxes of Cheerios";
p2.unitPrice = 6.99m;
p2.addQuantity(4);
ProductSellByQuantityInGroupSell p3 = (ProductSellByQuantityInGroupSell)productSellFactory.GetProductSell(ProductSellType.byQuantityInGroupSell);
p3.productId = 312;
p3.productName = "Body Shampoo";
p3.unitPrice = 12.99m;
p3.addQuantity(3);
p3.discountThreshold = 3;
ProductSellByQuantityInGroupSell p4 = (ProductSellByQuantityInGroupSell)productSellFactory.GetProductSell(ProductSellType.byQuantityInGroupSell);
p4.productId = 312;
p4.productName = "Body Shampoo";
p4.unitPrice = 12.99m;
p4.addQuantity(1);
p4.discountThreshold = 3;
//act
shoppingCart.add((ProductSell)p1);
shoppingCart.add((ProductSell)p2);
shoppingCart.add((ProductSell)p3);
shoppingCart.add((ProductSell)p4);
decimal totalPrice = shoppingCart.getTotalPrice();
int totalItemNumber = shoppingCart.getTotalItemNumber();
//72.906 - 0 => 72.906
// assert
const decimal expectedTotalPrice = (2.49m * 2.4m + 6.99m * 4 + 12.99m * 3);
const int expectedTotalItemNumber = 3;
Assert.AreEqual(expectedTotalPrice, totalPrice);
Assert.AreEqual(expectedTotalItemNumber, totalItemNumber);
}
public void ShoppingCartByCoupon_InValidTotalPriceDiscountThreshold()
{
// arrange
ShoppingCartByCoupon shoppingCart = new ShoppingCartByCoupon(new ShoppingCart(), -1, 100);
ProductSellFactory productSellFactory = new ProductSellFactory();
ProductSellByWeight p1 = (ProductSellByWeight)productSellFactory.GetProductSell(ProductSellType.byWeight);
p1.productId = 124;
p1.productName = "Apple";
p1.unitPrice = 2.49m;
p1.addWeight(2.4m);
//act
shoppingCart.add((ProductSell)p1);
decimal totalPrice = shoppingCart.getTotalPrice();
int totalItemNumber = shoppingCart.getTotalItemNumber();
// assert
//Must throw ArgumentOutOfRangeException : DiscountCouponValue does not contain a valid value.
}