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 ViewResult Index(Cart cart, string returnUrl)
{
return View(new CartIndexViewModel
{
ReturnUrl = returnUrl,
Cart = cart
});
}
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 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 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 ProcessOrder(Cart cart, ShippingDetails shippingInfo)
{
using (var smtpClient = new SmtpClient()) {
smtpClient.EnableSsl = emailSettings.UseSsl;
smtpClient.Host = emailSettings.ServerName;
smtpClient.Port = emailSettings.ServerPort;
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new NetworkCredential(emailSettings.Username, emailSettings.Password);
if (emailSettings.WriteAsFile)
{
smtpClient.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
smtpClient.PickupDirectoryLocation = emailSettings.FileLocation;
smtpClient.EnableSsl = false;
}
StringBuilder body = new StringBuilder().AppendLine("A new order has been submitted")
.AppendLine("---")
.AppendLine("Items:");
foreach (var line in cart.Lines) {
var subtotal = line.Product.Price * line.Quantity;
body.AppendFormat("{0} x {1} (subtotal: {2:c}", line.Quantity, line.Product.Name, subtotal);
}
body.AppendFormat("Total order value: {0:c}", cart.CalculateTotalValue()).AppendLine("---")
.AppendLine("Ship to:")
.AppendLine(shippingInfo.Name)
.AppendLine(shippingInfo.Line1)
.AppendLine(shippingInfo.Line2 ?? "")
.AppendLine(shippingInfo.Line3 ?? "")
.AppendLine(shippingInfo.Town)
.AppendLine(shippingInfo.County ?? "")
.AppendLine(shippingInfo.Country)
.AppendLine(shippingInfo.Postcode)
.AppendLine("---")
.AppendFormat("Gift wrap: {0}",
shippingInfo.GiftWrap ? "Yes" : "No");
MailMessage mailMessage = new MailMessage(
emailSettings.MailFromAddress, // From
emailSettings.MailToAddress, // To
"New order submitted!", // Subject
body.ToString()); // Body
if (emailSettings.WriteAsFile) {
mailMessage.BodyEncoding = Encoding.ASCII;
}
smtpClient.Send(mailMessage);
}
}
public void Can_Add_New_Lines()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1" };
Product p2 = new Product { ProductID = 2, Name = "P2" };
// Arrange
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 Can_Add_Quantity_For_Existing_Lines()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1" };
Product p2 = new Product { ProductID = 2, Name = "P2" };
// Arrange
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 void Can_Remove_Line()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1" };
Product p2 = new Product { ProductID = 2, Name = "P2" };
Product p3 = new Product { ProductID = 3, Name = "P3" };
// Arrange
Cart target = new Cart();
// Arrange
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 void Can_Checkout_And_Submit_Order() {
// Arrange
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
// Arrange
CartController target = new CartController(null, mock.Object);
// Act
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(),
It.IsAny<ShippingDetails>()),
Times.Once());
// Assert
Assert.AreEqual("Completed", result.ViewName);
// Assert
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void Cannot_Checkout_Invalid_ShippingDetails() {
// Arrange
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
// Arrange
CartController target = new CartController(null, mock.Object);
// Arrange
target.ModelState.AddModelError("error", "error");
// Act
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(),
It.IsAny<ShippingDetails>()),
Times.Never());
// Assert
Assert.AreEqual("", result.ViewName);
// Assert
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void Cannot_Checkout_Empty_Cart() {
// Arrange
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
// Arrange
Cart cart = new Cart();
// Arrange
ShippingDetails shippingDetails = new ShippingDetails();
// Arrange
CartController target = new CartController(null, mock.Object);
// Act
ViewResult result = target.Checkout(cart, shippingDetails);
// Assert
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(),It.IsAny<ShippingDetails>()), Times.Never());
// Assert
Assert.AreEqual("", result.ViewName);
// Assert
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void Can_View_Cart_Contents() {
// Arrange
Cart cart = new Cart();
// Arrange
CartController target = new CartController(null);
// Act
CartIndexViewModel result = (CartIndexViewModel)target.Index(cart, "myUrl").ViewData.Model;
// Assert
Assert.AreSame(result.Cart, cart);
Assert.AreEqual(result.ReturnUrl, "myUrl");
}
public void Can_Add_To_Cart() {
// Arrange
Mock<IProductRepository> mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new Product[] { new Product {ProductID = 1, Name = "P1", Category = "Apples"}, }.AsQueryable());
// Arrange
Cart cart = new Cart();
// Arrange
CartController target = new CartController(mock.Object);
// Act
target.AddToCart(cart, 1, null);
// Assert
Assert.AreEqual(cart.Lines.Count(), 1);
Assert.AreEqual(cart.Lines.ToArray()[0].Product.ProductID, 1);
}
public void Can_Clear_Contents()
{
// Arrange
Product p1 = new Product
{
ProductID = 1,
Name = "P1",
Price = 100M
};
Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
// Arrange
Cart target = new Cart();
// Arrange
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Act
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}
public PartialViewResult Summary(Cart cart)
{
return PartialView(cart);
}
public void Calculate_Cart_Total()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100M };
Product p2 = new Product { ProductID = 2, Name = "P2" , Price = 50M};
// Arrange
Cart target = new Cart();
// Act
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 3);
decimal result = target.CalculateTotalValue();
// Assert
Assert.AreEqual(result, 450M);
}
public void Adding_Product_To_Cart_Goes_To_Cart_Screen() {
// Arrange
Mock<IProductRepository> mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new Product[] { new Product {ProductID = 1, Name = "P1", Category = "Apples"}, }.AsQueryable());
// Arrange
Cart cart = new Cart();
// Arrange
CartController target = new CartController(mock.Object);
// Act
RedirectToRouteResult result = target.AddToCart(cart, 2, "myUrl");
// Assert
Assert.AreEqual(result.RouteValues["action"], "Index");
Assert.AreEqual(result.RouteValues["returnUrl"], "myUrl");
}
