internal IPromotion GetManager(string sku)
{
IPromotion promotion = null;
switch (sku.ToUpper())
{
case "A":
promotion = new PromotionA(new A());
break;
case "B":
promotion = new PromotionB(new B());
break;
case "C":
promotion = new PromotionC(new C());
break;
case "D":
promotion = new PromotionD(new D());
break;
default:
break;
}
return(promotion);
}
public void TestMethod1()
{
List <ISKU> ScenarioA = new List <ISKU> {
new skuA(), new skuB(), new skuC()
};
int cost = new PromotionA(ScenarioA).Cost();
Assert.AreEqual(cost, 50);
cost = new PromotionB(ScenarioA).Cost();
Assert.AreEqual(cost, 30);
cost = new PromotionCD(ScenarioA).Cost();
Assert.AreEqual(cost, 20);
}
public IPromotion GetPromoOffer(string productName)
{
IPromotion returnVal = null;
if (productName == "A")
{
returnVal = new PromotionA();
}
else if (productName == "B")
{
returnVal = new PromotionB();
}
return(returnVal);
}
public void Can_Calculate_Promotional_Discount(int promotionQuantityWhenBought,
int promotionQuantityOffered,
int promotionalDiscountOffered,
int numberOfItemsBought,
decimal originalPrice,
decimal expectedPrice)
{
IPromotion promotion = new Promotion("TestPromotion", 1000, promotionQuantityWhenBought, promotionQuantityOffered, promotionalDiscountOffered);
IPromotionCalculator promotionCalculator = new PromotionA(promotion);
decimal promotionalPrice = promotionCalculator.Calculate(numberOfItemsBought, originalPrice);
string appliedPromotion = promotionCalculator.GetAppliedPromotion();
Assert.Equal(expectedPrice, promotionalPrice);
Assert.Equal($"Buy {promotionQuantityWhenBought} - Get {promotionQuantityOffered} @ {promotionalDiscountOffered} off ", appliedPromotion, true);
}
static void Main(string[] args)
{
List <Product> products = new List <Product>();
foreach (ProductType productT in Enum.GetValues(typeof(ProductType)))
{
Console.WriteLine("Please enter the quantity for product type " + productT);
bool isInvalid = true;
int quantity = 0;
while (isInvalid)
{
string input = Console.ReadLine();
if (int.TryParse(input, out quantity))
{
isInvalid = false;
}
else
{
Console.WriteLine("Not and integer, please try again.");
}
}
Product product = new Product();
product.Sku = productT;
product.Quantity = quantity;
products.Add(product);
}
PromotionA promotionA = new PromotionA();
promotionA.SetNext(new PromotionB()).SetNext(new PromotionCD());
Console.WriteLine("Total Price of the cart: " + promotionA.Handle(products));
Console.ReadKey();
}
public void Setup()
{
promotionA = new PromotionA();
promotionA.SetNext(new PromotionB()).SetNext(new PromotionCD());
}
