public static IOrderable CreatePizza(string type)
{
IOrderable chosenPizza;
switch (type)
{
case "1":
chosenPizza = new Margerita();
return(chosenPizza);
case "2":
chosenPizza = new Hawaii();
return(chosenPizza);
case "3":
chosenPizza = new KebabPizza();
return(chosenPizza);
case "4":
chosenPizza = new QuatroStagioni();
return(chosenPizza);
default:
throw new NotSupportedException();
}
}
public void DecoratorTest()
{
IOrderable pizza = new Margerita();
IOrderable ham = new Ham(pizza);
IOrderable kebab = new Kebab(ham);
IOrderable onion = new Onion(kebab);
var expectedPizza = $"Margerita{Environment.NewLine} with ham{Environment.NewLine} with kebab{Environment.NewLine} with onion";
var expectedPrice = 125;
var actualPizza = onion.GetName();
var actualPrice = onion.GetPrice();
Assert.AreEqual(expectedPizza, actualPizza);
Assert.IsTrue(expectedPrice == actualPrice);
}