public RedirectToRouteResult RemoveFromCart(Cart cart, int productId, string returnUrl)
{
Product product = this._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 = this._repository.Products.FirstOrDefault(p => p.ProductId == productId);
if (product != null)
{
cart.AddItem(product, 1);
}
return RedirectToAction("Index", new { returnUrl });
}
public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails)
{
if (!cart.Lines.Any())
{
ModelState.AddModelError(string.Empty, Resources.EmptyCartError);
}
if (ModelState.IsValid)
{
_cartApplicationService.Process(cart, shippingDetails);
return View("Completed");
}
return View(shippingDetails);
}
public object BindModel(ControllerContext controllerContext,
ModelBindingContext bindingContext)
{
// get the Cart from the session
// ReSharper disable PossibleNullReferenceException
var cart = (Cart) controllerContext.HttpContext.Session[SessionKey];
// ReSharper restore PossibleNullReferenceException
if (cart == null)
{
cart = new Cart();
controllerContext.HttpContext.Session[SessionKey] = cart;
}
return cart;
}
public void CanAddNewLines()
{
// Arrange - create some test Products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
// Arrange - create a new Cart
var target = new Cart();
// Action
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 CanAddQuantityForExistingLines()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
// Arrange - create a new cart
var target = new Cart();
// Action
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 void CanRemoveLine()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
var p3 = new Product {ProductId = 3, Name = "P3"};
// Arrange - create a new cart
var 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);
// Action
target.RemoveLine(p2);
// Assert
Assert.AreEqual(target.Lines.Count(c => c.Product == p2), 0);
Assert.AreEqual(target.Lines.Count(), 2);
}
private Order ProcessTheOrder(Cart cart, ShippingDetails shippingDetails)
{
var order = new Order();
var orderDetailsList = new List<OrderDetail>();
try
{
foreach (var item in cart.Lines)
{
var orderDetail = new OrderDetail
{
OrderId = order.OrderId,
ProductName = item.Product.Name,
Quantity = item.Quantity,
UnitPrice = item.Product.Price
};
order.TotalCost += orderDetail.UnitPrice*orderDetail.Quantity;
//TODO: Make Unit Test
orderDetailsList.Add(orderDetail);
}
}
catch (Exception)
{
// TODO: Add HttpException handling in place of Exception below
throw new Exception("Erorr building list of oder details -> cart.Lines was probably null.");
}
var firstCartLineProduct = cart.Lines.FirstOrDefault();
int establishmentId = firstCartLineProduct.Product.EstablishmentId;
order.OrderDetails = orderDetailsList;
order.EstablishmentId = establishmentId;
order.CustomerName = shippingDetails.Name;
order.TimeProcessed = DateTime.Now;
return order;
}
public void CanViewCartContents()
{
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(null, null);
// Action - call the Index action method
var result
= (CartIndexViewModel) target.Index(cart, "myUrl").ViewData.Model;
// Assert
Assert.AreSame(result.Cart, cart);
Assert.AreEqual(result.ReturnUrl, "myUrl");
}
public ViewResult Index(Cart cart, string returnUrl)
{
return View(new CartIndexViewModel { Cart = cart, ReturnUrl = returnUrl });
}
public void Process(Cart cart, ShippingDetails shippingDetails)
{
var order = ProcessTheOrder(cart, shippingDetails);
orderRepository.CreateOrder(order);
cart.Clear();
}
public void CalculateCartTotal()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1", Price = 100M};
var p2 = new Product {ProductId = 2, Name = "P2", Price = 50M};
// Arrange - create a new cart
var target = new Cart();
// Action
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 3);
decimal result = target.ComputeTotalValue();
// Assert
Assert.AreEqual(result, 450M);
}
public ViewResult Summary(Cart cart)
{
return View(cart);
}
public void CanAddToCart()
{
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new[]
{
new Product {ProductId = 1, Name = "P1", CategoryId = 1},
}.AsQueryable());
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(mock.Object, null);
// Action - 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 CannotAddNewProductFromDifferentEstablishment()
{
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new[]
{
new Product {ProductId = 1, Name = "P1", EstablishmentId = 1},
new Product {ProductId = 2, Name = "P2", EstablishmentId = 2}
}.AsQueryable());
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(mock.Object, null);
// Action - add a product to the cart
target.AddToCart(cart, 1, null);
try
{
target.AddToCart(cart, 2, null);
Assert.Fail(); // If we get to this line we have failed.
}
catch (Exception)
{
// If we add a throw; here the test does not run.
}
// Assert
Assert.AreEqual(cart.Lines.Count(), 1);
Assert.AreEqual(cart.Lines.ToArray()[0].Product.ProductId, 1);
}
public void CanClearContents()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1", Price = 100M};
var p2 = new Product {ProductId = 2, Name = "P2", Price = 50M};
// Arrange - create a new cart
var target = new Cart();
// Arrange - add some items
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Action - reset the cart
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}
public void AddingProductToCartGoesToCartScreen()
{
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new[]
{
new Product {ProductId = 1, Name = "P1", CategoryId = 1},
}.AsQueryable());
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(mock.Object, null);
// Action - 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 CannotCheckoutEmptyCart()
{
// Arrange - create a mock order processor
var mock = new Mock<IOrderProcessor>();
// Arrange - create an empty cart
var cart = new Cart();
// Arrange - create shipping details
var shippingDetails = new ShippingDetails();
// Arrange - create an instance of the controller
var controller = new CartController(null, null);
// Action
ViewResult result = controller.Checkout(cart, shippingDetails);
// Assert - check that the order hasn't been passed on to the processor
mock.Verify(m => m.CreateOrder(It.IsAny<Order>()),
Times.Never());
// Assert - check that the method is returning the default view
Assert.AreEqual("", result.ViewName);
// Assert - check that we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void CanCheckoutAndSubmitOrder()
{
// Arrange - create a mock order processor
var mockRepository = new Mock<IProductRepository>();
var what = new Mock<ICartApplicationService>();
// Arrange - create a cart with an item
var cart = new Cart();
var shippingDetails = new ShippingDetails
{
Name = "Jason",
Line1 = "123 Fake",
City = "Corpus Christi",
State = "Texas",
Zip = "78414",
Country = "United States",
GiftWrap = false
};
cart.AddItem(new Product {ProductId = 1, Name = "P1", Price = 100M, EstablishmentId = 1, CategoryId = 1, Description = "none"}, 1);
// Arrange - create an instance of the controller
var controller = new CartController(mockRepository.Object, what.Object);
// Action - try to checkout
var result = controller.Checkout(cart, shippingDetails);
// Assert - check that the order has been passed on to the processor
what.Verify(m => m.Process(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 we are passing a valid model to the view
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void CannotCheckoutInvalidShippingDetails()
{
// Arrange - create a mock order processor
var mock = new Mock<IOrderProcessor>();
// Arrange - create a cart with an item
var cart = new Cart();
cart.AddItem(new Product(), 1);
// Arrange - create an instance of the controller
var controller = new CartController(null, null);
// Arrange - add an error to the model
controller.ModelState.AddModelError("error", "error");
// Action - try to checkout
ViewResult result = controller.Checkout(cart, new ShippingDetails());
// Assert - check that the order hasn't been passed on to the processor
mock.Verify(m => m.CreateOrder(It.IsAny<Order>()),
Times.Never());
// Assert - check that the method is returning the default view
Assert.AreEqual("", result.ViewName);
// Assert - check that we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
