public void ShoppingCart_AddingTwoIdentical()
{
// arrange
ShoppingCart shoppingCart = new ShoppingCart();
ProductSellFactory productSellFactory = new ProductSellFactory();
ProductSellByQuantity p1 = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p1.productId = 276;
p1.productName = "Boxes of Cheerios";
p1.unitPrice = 6.99m;
p1.addQuantity(2);
ProductSellByQuantity p2 = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p2.productId = 276;
p2.productName = "Boxes of Cheerios";
p2.unitPrice = 6.99m;
p2.addQuantity(1);
//act
shoppingCart.add((ProductSell)p1);
shoppingCart.add((ProductSell)p2);
decimal totalPrice = shoppingCart.getTotalPrice();
int totalItemNumber = shoppingCart.getTotalItemNumber();
// assert
const decimal expectedTotalPrice = 6.99m * 3;
const int expectedTotalItemNumber = 1;
Assert.AreEqual(expectedTotalPrice, totalPrice);
Assert.AreEqual(expectedTotalItemNumber, totalItemNumber);
}
public void ShoppingCart_AddingTwoIdenticalProductID_WithConflictedUnitPrice()
{
// arrange
ShoppingCart shoppingCart = new ShoppingCart();
ProductSellFactory productSellFactory = new ProductSellFactory();
ProductSellByQuantity p1 = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p1.productId = 276;
p1.productName = "Boxes of Cheerios";
p1.unitPrice = 4.99m;
p1.addQuantity(2);
ProductSellByQuantity p2 = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p2.productId = 276;
p2.productName = "Boxes of Cheerios";
p2.unitPrice = 2.99m;
p2.addQuantity(1);
//act
shoppingCart.add((ProductSell)p1);
shoppingCart.add((ProductSell)p2);
// assert
//Must throw ArgumentOutOfRangeException : There is a conflict on the given UnitPrice.
}
private void add(ProductSellByQuantity productSellByQuantity)
{
if (productSellByQuantity != null)
{
ProductSell existingProductSell = productSellList.SingleOrDefault(productSell => productSell.productId == productSellByQuantity.productId);
if (existingProductSell == null)
{
productSellList.Add(productSellByQuantity as ProductSell);
}
else
{
if (!existingProductSell.productName.Equals(productSellByQuantity.productName))
{
throw new ArgumentException("There is a conflict on the given productName");
}
else if (existingProductSell.unitPrice != productSellByQuantity.unitPrice)
{
throw new ArgumentException("There is a conflict on the given unitPrice");
}
else
{
((ProductSellByQuantity)existingProductSell).addQuantity(productSellByQuantity.quantity);
}
}
}
else
{
throw new ArgumentNullException("ProductSellByQuantity");
}
}
public void ProductSellByQuantity_SettersAndGetterTest()
{
// arrange
ProductSellByQuantity productSellByQuantity = new ProductSellByQuantity
{
productId = 276,
productName = "Boxes of Cheerios",
unitPrice = 3m
};
productSellByQuantity.addQuantity(7);
//act
int actualProductId = productSellByQuantity.productId;
string actualProductName = productSellByQuantity.productName;
decimal actualUnitPrice = productSellByQuantity.unitPrice;
int actualQuantity = productSellByQuantity.quantity;
// assert
const int expectedProductId = 276;
const string expectedProductName = "Boxes of Cheerios";
const decimal expectedUnitPrice = 3m;
const int expectedQuantity = 7;
Assert.AreEqual(expectedProductId, actualProductId);
Assert.AreEqual(expectedProductName, actualProductName);
Assert.AreEqual(expectedUnitPrice, actualUnitPrice);
Assert.AreEqual(expectedQuantity, actualQuantity);
}
public void ProductSellByQuantity_EmptyTest()
{
// arrange
ProductSellByQuantity p = new ProductSellByQuantity();
// act
decimal price = p.getPrice();
// assert
Assert.AreEqual(0, price);
}
public void ShoppingCart_RemoveProductSell()
{
// arrange
ShoppingCart shoppingCart = new ShoppingCart();
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);
shoppingCart.remove((ProductSell)p2);
decimal totalPrice = shoppingCart.getTotalPrice();
int totalItemNumber = shoppingCart.getTotalItemNumber();
// assert
const decimal expectedTotalPrice = 2.49m * 2.4m + 12.99m * 3;
const int expectedTotalItemNumber = 2;
Assert.AreEqual(expectedTotalPrice, totalPrice);
Assert.AreEqual(expectedTotalItemNumber, totalItemNumber);
}
public void ProductSellByQuantity_GiveZeroTo_DiscountThreshold()
{
// arrange
ProductSellByQuantity p1 = new ProductSellByQuantity
{
productId = 276,
productName = "Boxes of Cheerios",
unitPrice = 3m,
};
p1.addQuantity(2);
ProductSellByQuantityInGroupSell p2 = new ProductSellByQuantityInGroupSell(p1, 0);
//act
decimal price = p2.getPrice();
// assert
//Must throw ArgumentOutOfRangeException : DiscountThreshold does not contain a valid value.
}
public void ProductSellByQuantity_PriceTest()
{
// arrange
ProductSellByQuantity p = new ProductSellByQuantity
{
productId = 276,
productName = "Boxes of Cheerios",
unitPrice = 6.99m
};
p.addQuantity(2);
//act
decimal price = p.getPrice();
// assert
const decimal expectedPrice = 6.99m * 2;
Assert.AreEqual(expectedPrice, price);
}
public void ShoppingCart_AddingSingle()
{
// arrange
ShoppingCart shoppingCart = new ShoppingCart();
ProductSellFactory productSellFactory = new ProductSellFactory();
ProductSellByQuantity p = (ProductSellByQuantity)productSellFactory.GetProductSell(ProductSellType.byQuantity);
p.productId = 276;
p.productName = "Boxes of Cheerios";
p.unitPrice = 6.99m;
p.addQuantity(2);
//act
shoppingCart.add((ProductSell)p);
decimal totalPrice = shoppingCart.getTotalPrice();
// assert
const decimal expectedTotalPrice = 6.99m * 2;
Assert.AreEqual(expectedTotalPrice, totalPrice);
}
public void ProductSellByQuantity_DiscountPriceTest_Buy2Get1Free_4items()
{
// arrange
ProductSellByQuantity p1 = new ProductSellByQuantity
{
productId = 276,
productName = "Boxes of Cheerios",
unitPrice = 3m
};
p1.addQuantity(4);
ProductSellByQuantityInGroupSell p2 = new ProductSellByQuantityInGroupSell(p1, 3);
//act
decimal price = p2.getPrice();
// assert
const decimal expectedPrice = 3m * 3;
Assert.AreEqual(expectedPrice, price);
}