public void ScenarioATesting()
{
var orders = new List <Order>();
order = new Order
{
Id = 1,
OrderId = 1,
SkuCode = "C",
Qty = 1,
DiscountPercentage = Constant.ProductCDDiscount,
ProductMinCountPromotion = Constant.ProductMinCountPromotionForCD,
PromotionPriceTypeEnum = EnumHelper.PromotionPriceTypeEnum.Combination,
UnitPrice = Constant.ProductCPrice
};
orders.Add(order);
var promotionEngine = new PromotionEngine();
var expected = promotionEngine.CalculatePromotion(orders);
var actual = 100D;
Assert.AreEqual(actual, expected);
}