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
var 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 we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void Adding_Product_To_Cart_Goes_To_Cart_Screen()
{
// Arrange
var cart = new Cart();
var cartController = new CartController(mock.Object, null);
// Act
RedirectToRouteResult result = cartController.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 cart with one 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
var 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
var cart = new Cart();
var cartController = new CartController(null, null);
// Act
CartIndexViewModel result = (CartIndexViewModel) cartController.Index(cart, "myUrl").ViewData.Model;
// Assert
Assert.AreSame(result.Cart, cart);
Assert.AreEqual(result.ReturnUrl, "myUrl");
}
public void Can_Add_To_Cart()
{
// Arrange
var cart = new Cart();
var cartController = new CartController(mock.Object, null);
// Act
cartController.AddToCart(cart, 1, null);
// Assert
Assert.AreEqual(cart.Lines.Count(), 1);
Assert.AreEqual(cart.Lines.ToArray()[0].Product.ProductId, 1);
}
