public void Cart_Returns_Null_When_No_Sku_Found()
{
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 1);
var item = cart.FindItem("SKU1");
Assert.IsNull(item);
}
public void Cart_Can_Return_Item_By_SKU()
{
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 1);
var item = cart.FindItem("SKU");
Assert.IsNotNull(item);
}