public static OfferType GetOfferType(SpecialOfferType type)
{
if (type == SpecialOfferType.ThreeForTwo)
{
return(new ThreeForTwoOffer());
}
else if (type == SpecialOfferType.FiveForAmount)
{
return(new FiveForAmount());
}
else if (type == SpecialOfferType.TenPercentDiscount)
{
return(new TenPercentDiscountOffer());
}
else if (type == SpecialOfferType.TwoForAmount)
{
return(new TwoForAmountDiscount());
}
else
{
throw new Exception();
}
}
public void AddSpecialOffer(SpecialOfferType offerType, Product product, double argument)
{
this.offers.Add(product, new Offer(offerType, product, argument));
}
public Offer(SpecialOfferType offerType, Product product, double argument)
{
OfferType = offerType;
Argument = argument;
_product = product;
}
public void AddSpecialOffer(SpecialOfferType offerType, Product product, double argument)
{
_offers[product] = new Offer(offerType, product, argument);
}
public Offer(SpecialOfferType offerType, Product product, double argument)
{
this.OfferType = offerType;
this.Argument = argument;
this._product = product;
}
public Offer(SpecialOfferType offerType, Product product)
{
OfferType = offerType;
Product = product;
}
public void AddSpecialOffer(SpecialOfferType offerType, Product product)
{
_offers[product] = new Offer(offerType, product);
}
public void GetTotalCartPrice_OfferNotValidOnProduct_ReturnAmountWithUnDiscountedPrice(SpecialOfferType specialOfferType)
{
double expectedValue = 29.31;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Talc, 19.54);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Talc, 1.5));
var order = new Order(Catalog);
order.AddSpecialOffer(specialOfferType, Talc);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}