public void Remove_product_from_empty_cart_should_make_the_cart_intact()
{
var cart = new ShoppingCart();
cart.Remove(ProductMother.GetProduct1().Id);
Assert.AreEqual(0, cart.Items.Count);
}
public void Add_1_product_to_empty_cart_should_make_cart_contain_1_product()
{
var emptyShoppingCart = new ShoppingCart();
var product = ProductMother.GetProduct1();
emptyShoppingCart.Add(product);
Assert.AreEqual(1, emptyShoppingCart.Items[0].Quantity);
}
public void Remove_existing_product_should_remove_the_product_from_the_cart()
{
var cart = new ShoppingCart();
var product = ProductMother.GetProduct1();
cart.Add(product);
cart.Remove(product.Id);
Assert.AreEqual(false, cart.Exists(product.Id));
}
public void Add_product_to_cart_that_does_not_have_this_product_should_make_this_cart_contain_2_purchase_items()
{
var cart = new ShoppingCart();
var product = ProductMother.GetProduct1();
cart.Add(product);
var product2 = ProductMother.GetProduct2();
cart.Add(product2);
Assert.AreEqual(2, cart.Items.Count);
}
public void Add_product_to_cart_that_already_exist_this_product_should_still_make_this_cart_contain_1_purchase_item()
{
var cart = new ShoppingCart();
var product = ProductMother.GetProduct1();
cart.Add(product);
var product2 = ProductMother.GetProduct1();
cart.Add(product2);
Assert.AreEqual(1, cart.Items.Count);
}
public void Set_a_product_quantity_to_0_should_remove_this_product_from_cart()
{
var cart = new ShoppingCart();
var product = ProductMother.GetProduct1();
cart.Add(product, 2);
cart.UpdateProductQuantity(product.Id, 0);
var actualResult = cart.Exists(product.Id);
Assert.AreEqual(false, actualResult);
}
public void Add_1_product_to_a_cart_containing_the_same_product_should_increment_the_product_count_by_1()
{
var cart = new ShoppingCart();
cart.Add(ProductMother.GetProduct1());
var productSameAsExistingOne = ProductMother.GetProduct1();
cart.Add(ProductMother.GetProduct1());
var productCount = cart.Items.Find(p => p.Product.Id == productSameAsExistingOne.Id).Quantity;
Assert.AreEqual(2, productCount);
}
public void Set_a_product_quantity_to_a_number_should_make_the_cart_contain_this_number_of_this_product()
{
var cart = new ShoppingCart();
var product = ProductMother.GetProduct1();
cart.Add(product);
var quantity = 3;
cart.UpdateProductQuantity(product.Id, quantity);
var actualResult = cart.GetProductQuantity(product.Id);
Assert.AreEqual(quantity, actualResult);
}
public void Remove_non_existing_product_should_make_the_cart_intact()
{
var cart = new ShoppingCart();
var prod1 = ProductMother.GetProduct1();
cart.Add(prod1, 2);
var prod2 = ProductMother.GetProduct2();
cart.Add(prod2, 4);
cart.Remove(ProductMother.GetProduct3().Id);
Assert.AreEqual(2, cart.Items.Count);
}
public void Checkout_shopping_cart_should_yield_an_order_in_processing_state()
{
IPurchaseItemList shoppingCart = new ShoppingCart();
shoppingCart.Add(ProductMother.GetProduct1(), 3);
shoppingCart.Add(ProductMother.GetProduct2(), 2);
CustomerBase customer = CustomerMother.GetCustomer1();
IPaymentMethod payeMethod = customer.CreditCards[0];
IShippingMethod shippingMethod = new OvernightShipping();
var customerOrder = CustomerOrderService.Checkout(shoppingCart, customer, payeMethod, shippingMethod);
Assert.AreEqual((object)EOrderStatus.Processing, customerOrder.Status);
}
public void Create_order_by_giving_shoppingcart_and_customer_and_creditcard_and_shippingmethod_should_yield_a_successful_order()
{
IPurchaseItemList shoppingCart = new ShoppingCart();
shoppingCart.Add(ProductMother.GetProduct1(), 3);
shoppingCart.Add(ProductMother.GetProduct2(), 2);
CustomerBase customer = CustomerMother.GetCustomer1();
IPaymentMethod payeMethod = customer.CreditCards[0];
IShippingMethod shippingMethod = new OvernightShipping();
var customerOrder = CustomerOrderService.Checkout(shoppingCart, customer, payeMethod, shippingMethod);
//CollectionAssert.AreEquivalent(cart.Items, order.Items); //Does NOT work
Assert.AreEqual(shoppingCart.GetTotalPrice(), customerOrder.TotalCost - customerOrder.ShippingCost);
}
public void Add_product_to_filled_cart_should_increment_the_total_price()
{
var cart = new ShoppingCart();
var existingProduct = ProductMother.GetProduct1();
cart.Add(existingProduct);
cart.Add(existingProduct);
var newProduct = ProductMother.GetProduct2();
cart.Add(newProduct);
var expectedTotalPrice = existingProduct.RetailPrice * 2 + newProduct.RetailPrice;
Assert.AreEqual(expectedTotalPrice, cart.GetTotalPrice());
}
public void Process_an_order_should_charge_customer_credit_card()
{
IPurchaseItemList shoppingCart = new ShoppingCart();
shoppingCart.Add(ProductMother.GetProduct1(), 3);
shoppingCart.Add(ProductMother.GetProduct2(), 2);
CustomerBase customer = CustomerMother.GetCustomer1();
IPaymentMethod payeMethod = customer.CreditCards[0];
IShippingMethod shippingMethod = new OvernightShipping();
var beforedAmount = payeMethod.TotalChargedAmount;
var customerOrder = CustomerOrderService.Checkout(shoppingCart, customer, payeMethod, shippingMethod);
var orderTotalPrice = customerOrder.TotalCost;
Assert.AreEqual((object)(beforedAmount + orderTotalPrice), payeMethod.TotalChargedAmount);
}
public static CustomerOrder GetCustomerOrderInProcessing1()
{
var cart = new ShoppingCart();
cart.Add(ProductMother.GetProduct1(), 3);
cart.Add(ProductMother.GetProduct2(), 2);
var buyer = CustomerMother.GetCustomer1();
var shippingMethod = new StandardShipping();
var paymentMethod = CreditCardsMother.GetCreditCard1();
return new CustomerOrder
{
Id = 1,
OrderDateTime = DateTime.Now.AddDays(1),
Items = cart.Items,
Customer = buyer,
Status = EOrderStatus.Processing,
ShippingMethod = shippingMethod.MethodName(),
PaymentMethod = paymentMethod.PaymentName(),
ProductCost = 200,
ShippingCost = shippingMethod.CalculatePrice(),
TotalCost = 200 + shippingMethod.CalculatePrice()
};
}
public void Add_product_with_quantity_of_3_should_increment_the_product_count_by_3()
{
var cart = new ShoppingCart();
var productToAdd = ProductMother.GetProduct1();
cart.Add(productToAdd, 3);
var productCount = cart.Items.Find(p => p.Product.Id == productToAdd.Id).Quantity;
Assert.AreEqual(3, productCount);
}