public void Cannot_Checkout_Invalid_Shipping_Details()
{
// Arrange
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
CartController target = new CartController(null, mock.Object);
target.ModelState.AddModelError("error", "error");
// Act
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert
// Not passed to any processor
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()), Times.Never());
// Returning default view
Assert.AreEqual("", result.ViewName);
// Passing invalid model
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
public void Can_Add_New_Lines()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1" };
Product p2 = new Product { ProductID = 2, Name = "P2" };
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_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" };
Cart target = new 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 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 };
Cart target = new Cart();
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Act
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}
public void Can_Checkout_And_Submit()
{
// Arrange
Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
CartController target = new CartController(null, mock.Object);
// Act
ViewResult result = target.Checkout(cart, new ShippingDetails());
// Assert
// Passed onto the processor
mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()), Times.Once());
// Returning completed view
Assert.AreEqual("Completed", result.ViewName);
// Passing valid model
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void Can_Calculate_Cart_Total()
{
// Arrange
Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100M };
Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
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
Product p1 = new Product { ProductID = 1, Name = "P1" };
Product p2 = new Product { ProductID = 2, Name = "P2" };
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);
}
