public ViewResult Index(Cart cart, string returnUrl)
{
return View(new CartIndexViewModel
{
Cart = cart,
ReturnUrl = returnUrl
});
}
public RedirectToRouteResult RemoveFromCart(Cart cart, int productId, string returnUrl)
{
Product product = repository.Products
.FirstOrDefault(p => p.ProductId == productId);
if (product != null)
{
cart.RemoveLine(product);
}
return RedirectToAction("Index", new { returnUrl });
}
public RedirectToRouteResult AddToCart(Cart cart, int productId, string returnUrl)
{
Product product = repository.Products
.FirstOrDefault(p => p.ProductId == productId);
if (product != null)
{
cart.AddItem(product, 1);
}
return RedirectToAction("Index", new { returnUrl });
}
public void Can_Add_New_Lines() {
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1" };
Product p2 = new Product { ProductId = 2, ProductName = "P2" };
// Arrange - create a new cart
Cart target = new Cart();
// Act
target.AddItem(p1, 1);
target.AddItem(p2, 1);
CartLine[] results = target.Lines.ToArray();
// Assert
Assert.AreEqual(results.Length, 2);
Assert.AreEqual(results[0].Product, p1);
Assert.AreEqual(results[1].Product, p2);
}
public void Calculate_Cart_Total()
{
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1", Price = 100M };
Product p2 = new Product { ProductId = 2, ProductName = "P2", Price = 50M };
// Arrange - create a new cart
Cart target = new Cart();
// Act
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 3);
decimal result = target.ComputeTotalValue();
// Assert
Assert.AreEqual(result, 450M);
}
public void Can_Add_Quantity_For_Existing_Lines() {
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1" };
Product p2 = new Product { ProductId = 2, ProductName = "P2" };
// Arrange - create a new cart
Cart target = new Cart();
// Act
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 10);
CartLine[] results = target.Lines.OrderBy(c => c.Product.ProductId).ToArray();
// Assert
Assert.AreEqual(results.Length, 2);
Assert.AreEqual(results[0].Quantity, 11);
Assert.AreEqual(results[1].Quantity, 1);
}
public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails)
{
if (cart.Lines.Count() == 0)
{
ModelState.AddModelError("", "Sorry, your cart is empty!");
}
if (ModelState.IsValid)
{
orderProcessor.ProcessOrder(cart, shippingDetails);
cart.Clear();
return View("Completed");
}
else
{
return View(shippingDetails);
}
}
public void Can_Remove_Line()
{
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1" };
Product p2 = new Product { ProductId = 2, ProductName = "P2" };
Product p3 = new Product { ProductId = 3, ProductName = "P3" };
// Arrange - create a new cart
Cart target = new Cart();
// Arrange - add some products to the cart
target.AddItem(p1, 1);
target.AddItem(p2, 3);
target.AddItem(p3, 5);
target.AddItem(p2, 1);
// Act
target.RemoveLine(p2);
// Assert
Assert.AreEqual(target.Lines.Where(c => c.Product == p2).Count(), 0);
Assert.AreEqual(target.Lines.Count(), 2);
}
public object BindModel(ControllerContext controllerContext,
ModelBindingContext bindingContext)
{
// get the Cart from the session
Cart cart = null;
if (controllerContext.HttpContext.Session != null)
{
cart = (Cart)controllerContext.HttpContext.Session[sessionKey];
}
// create the Cart if there wasn't one in the session data
if (cart == null)
{
cart = new Cart();
if (controllerContext.HttpContext.Session != null)
{
controllerContext.HttpContext.Session[sessionKey] = cart;
}
}
// return the cart
return cart;
}
public void Can_View_Cart_Contents()
{
// Arrange - create a Cart
Cart cart = new Cart();
// Arrange - create the controller
CartController target = new CartController(null);
// Act - call the Index action method
CartIndexViewModel result
= (CartIndexViewModel)target.Index(cart, "myUrl").ViewData.Model;
// Assert
Assert.AreSame(result.Cart, cart);
Assert.AreEqual(result.ReturnUrl, "myUrl");
}
public PartialViewResult Summary(Cart cart)
{
return PartialView(cart);
}
public void Can_Clear_Contents()
{
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1", Price = 100M };
Product p2 = new Product { ProductId = 2, ProductName = "P2", Price = 50M };
// Arrange - create a new cart
Cart target = new Cart();
// Arrange - add some items
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Act - reset the cart
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}
public void Can_Add_To_Cart()
{
// Arrange - create the mock repository
Mock<IShoeStoreRepository> mock = new Mock<IShoeStoreRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
new Product {ProductId = 1, ProductName = "P1", ProductCategoryId = 1},
}.AsQueryable());
// Arrange - create a Cart
Cart cart = new Cart();
// Arrange - create the controller
CartController target = new CartController(mock.Object);
// Act - add a product to the cart
target.AddToCart(cart, 1, null);
// Assert
Assert.AreEqual(cart.Lines.Count(), 1);
Assert.AreEqual(cart.Lines.ToArray()[0].Product.ProductId, 1);
}
public void Adding_Product_To_Cart_Goes_To_Cart_Screen()
{
// Arrange - create the mock repository
Mock<IShoeStoreRepository> mock = new Mock<IShoeStoreRepository>();
mock.Setup(m => m.Products).Returns(new Product[] {
new Product {ProductId = 1, ProductName = "P1", ProductCategoryId = 1},
}.AsQueryable());
// Arrange - create a Cart
Cart cart = new Cart();
// Arrange - create the controller
CartController target = new CartController(mock.Object);
// Act - add a product to the cart
RedirectToRouteResult result = target.AddToCart(cart, 2, "myUrl");
// Assert
Assert.AreEqual(result.RouteValues["action"], "Index");
Assert.AreEqual(result.RouteValues["returnUrl"], "myUrl");
}
public void Can_Checkout_And_Submit_Order()
{
// Arrange - create a mock order processor
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange - create a cart with an item
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
// Arrange - create an instance of the controller
CartController target = new CartController(null, mock.Object);
// Act - try to checkout
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert - check that the order has been passed on to the processor
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()),
Times.Once());
// Assert - check that the method is returning the Completed view
Assert.AreEqual("Completed", result.ViewName);
// Assert - check that I am passing a valid model to the view
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void Cannot_Checkout_Invalid_ShippingDetails()
{
// Arrange - create a mock order processor
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange - create a cart with an item
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
// Arrange - create an instance of the controller
CartController target = new CartController(null, mock.Object);
// Arrange - add an error to the model
target.ModelState.AddModelError("error", "error");
// Act - try to checkout
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert - check that the order hasn't been passed on to the processor
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()),
Times.Never());
// Assert - check that the method is returning the default view
Assert.AreEqual("", result.ViewName);
// Assert - check that I am passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void Cannot_Checkout_Empty_Cart()
{
// Arrange - create a mock order processor
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange - create an empty cart
Cart cart = new Cart();
// Arrange - create shipping details
ShippingDetails shippingDetails = new ShippingDetails();
// Arrange - create an instance of the controller
CartController target = new CartController(null, mock.Object);
// Act
ViewResult result = target.Checkout(cart, shippingDetails);
// Assert - check that the order hasn't been passed on to the processor
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()),
Times.Never());
// Assert - check that the method is returning the default view
Assert.AreEqual("", result.ViewName);
// Assert - check that I am passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
