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", Category = "Apples" }, }.AsQueryable());
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(mock.Object, null);
// 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 AddingProductToCartGoesToCartScreen()
{
// Arrange - create the mock repository
var mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(
new[] { new Product { ProductID = 1, Name = "P1", Category = "Apples" }, }.AsQueryable());
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(mock.Object, null);
// 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 CanCheckoutAndSubmitOrder()
{
// 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 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 we are passing a valid model to the view
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void Can_View_Cart_Contents()
{
// Arrange - create a Cart
var cart = new Cart();
// Arrange - create the controller
var target = new CartController(null, null);
// Act - 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 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 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(string.Empty, result.ViewName);
// Assert - check that we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
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 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(string.Empty, result.ViewName);
// Assert - check that we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
