public void NoItemsInCart_TotalEqual0()
{
IProductRepository products = null; // repository doesn't matter - no reference to him is being made - nullify
ShoppingCart shoppingCart = new ShoppingCart(products);
Assert.That(shoppingCart.Total, Is.EqualTo(0));
}
public void Clear_AddInvalidItemToCartThenClear_ThrowUnknownProductException()
{
IProductRepository products = A.Fake<IProductRepository>();
A.CallTo(() => products.GetProductById(A<string>.Ignored)).Throws(new UnknownProductException("UnknownProductException was thrown."));
ShoppingCart shoppingCart = new ShoppingCart(products);
Assert.Throws<UnknownProductException>(() => shoppingCart.AddItem("item-999"));
}
public void Add_AddValidItem_ItemNameAndPriceDisplayed()
{
IProductRepository products = A.Fake<IProductRepository>();
ShoppingCart shoppingCart = new ShoppingCart(products);
IDisplay consoleDisplay = A.Fake<IDisplay>();
Register register = new Register(shoppingCart, consoleDisplay);
A.CallTo(() => products.GetProductById("item-1")).Throws(new UnknownProductException(""));
register.Add("item-1");
A.CallTo(() => consoleDisplay.ShowMessage("Invalid item code!")).MustHaveHappened();
}
public void Clear_AddValidItemToCartThenClear_TotalEquals0()
{
IProductRepository products = A.Fake<IProductRepository>();
ShoppingCart shoppingCart = new ShoppingCart(products);
A.CallTo(() => products.GetProductById("item-1")).Returns(new Product("item-1", "Banana", 14.5));
shoppingCart.AddItem("item-1");
shoppingCart.Clear();
Assert.That(shoppingCart.Total, Is.EqualTo(0));
}
public void AddItem_AddTwoValidProductsToCart_TotalEqualsItemsPrice()
{
IProductRepository products = A.Fake<IProductRepository>();
ShoppingCart shoppingCart = new ShoppingCart(products);
A.CallTo(() => products.GetProductById("item-1")).Returns(new Product("item-1", "Banana", 14.5));
A.CallTo(() => products.GetProductById("item-2")).Returns(new Product("item-2", "Orange", 2.5));
shoppingCart.AddItem("item-1");
shoppingCart.AddItem("item-2");
Assert.That(shoppingCart.Total, Is.EqualTo(17));
}
public void AddItem_AddValidProductToCart_TotalEqualsItemPrice()
{
// Arrange
IProductRepository products = A.Fake<IProductRepository>();
ShoppingCart shoppingCart = new ShoppingCart(products);
A.CallTo(() => products.GetProductById("item-1")).Returns(new Product("item-1", "Banana", 14.5));
// Act
shoppingCart.AddItem("item-1");
// Assert
Assert.AreEqual(shoppingCart.Total, 14.5);
}
static void Main()
{
var products = new ProductDal();
products.AddProduct(new Product("item-1", "IPhone 6", 999));
products.AddProduct(new Product("item-2", "Surface 2 pro", 2000));
products.AddProduct(new Product("item-3", "Stamps", 2));
products.AddProduct(new Product("item-4", "Arduino Ono", 25));
var shoppingCart = new ShoppingCart(products);
var register = new Register(shoppingCart, new ConsoleDisplay());
Console.WriteLine("add - Add product to cart");
Console.WriteLine("total - show total");
Console.WriteLine("exit - exit from simulatio");
var keepRunning = true;
while (keepRunning)
{
Console.Write("Command>>");
var readLine = Console.ReadLine();
switch (readLine)
{
case "add":
Console.WriteLine("product id?");
Console.Write("Add>>");
var productId = Console.ReadLine();
register.Add(productId);
break;
case "total":
register.Total();
break;
case "exit":
keepRunning = false;
break;
default:
Console.WriteLine(">>> Wrong input :(");
break;
}
}
}
public Register(ShoppingCart shoppingCart, IDisplay display)
{
_shoppingCart = shoppingCart;
_display = display;
}
public void Total_AddTwoValidItems_ItemsNamesAndPricesDisplayed()
{
IProductRepository products = A.Fake<IProductRepository>();
ShoppingCart shoppingCart = new ShoppingCart(products);
IDisplay consoleDisplay = A.Fake<IDisplay>();
Register register = new Register(shoppingCart, consoleDisplay);
A.CallTo(() => products.GetProductById("item-1")).Returns(new Product("item-1", "Banana", 10.5));
register.Add("item-1");
register.Add("item-1");
register.Total();
A.CallTo(() => consoleDisplay.ShowMessage("Total: 21")).MustHaveHappened();
}
