public void ComputeBillScenarioCTest()
{
Item objItemA = new Item()
{
ItemId = 1, ItemName = "A", Description = "Test Item A", ItemPrice = 50
};
Item objItemB = new Item()
{
ItemId = 2, ItemName = "B", Description = "Test Item B", ItemPrice = 30
};
Item objItemC = new Item()
{
ItemId = 3, ItemName = "C", Description = "Test Item C", ItemPrice = 20
};
Item objItemD = new Item()
{
ItemId = 4, ItemName = "D", Description = "Test Item D", ItemPrice = 15
};
KartItem objKartItem1 = new KartItem(objItemA, 3);
KartItem objKartItem2 = new KartItem(objItemB, 5);
KartItem objKartItem3 = new KartItem(objItemC, 1);
KartItem objKartItem4 = new KartItem(objItemD, 1);
List <KartItem> objPurchasedItemList = new List <KartItem>();
objPurchasedItemList.Add(objKartItem1);
objPurchasedItemList.Add(objKartItem2);
objPurchasedItemList.Add(objKartItem3);
objPurchasedItemList.Add(objKartItem4);
Kart objKart = new Kart(objPurchasedItemList);
//Now setup the Promotions Rules
List <KeyValuePair <Item, int> > kvpList = new List <KeyValuePair <Item, int> >();
kvpList.Add(new KeyValuePair <Item, int>(objItemC, 1));
kvpList.Add(new KeyValuePair <Item, int>(objItemD, 1));
IPromotionRule objRuleA = new BuyNQtyAtFixedPrice("Promotion A", 130, 3, "A");
IPromotionRule objRuleB = new BuyNQtyAtFixedPrice("Promotion B", 45, 2, "B");
IPromotionRule objRuleC = new BuyNItemsAtFixedPrice("Combination C & D", 30, kvpList);
//Creating instance of RuleEngine
IPromotion objPromotion = new PromotionEngine();
objPromotion.ApplyPromotion(objRuleA, objKart, true);
objPromotion.ApplyPromotion(objRuleB, objKart, true);
objPromotion.ApplyPromotion(objRuleC, objKart);
Assert.AreEqual(280, objKart.CalculateAmountPayable());
}
public void ApplyPromotion()
{
//arrange
IPromotionEngine promotionEngine = new PromotionEngine();
var cartItems = new List <CartItem> {
new CartItem()
{
UnitId = "A", UnitCount = 1, UnitPrice = 50
},
new CartItem()
{
UnitId = "B", UnitCount = 1, UnitPrice = 30
},
new CartItem()
{
UnitId = "C", UnitCount = 1, UnitPrice = 20
},
};
decimal expectedResult = 100;
//act
var result = promotionEngine.ApplyPromotion(cartItems);
//assert
Assert.AreEqual(expectedResult, result);
}
public void ComputeBillScenarioBTest()
{
Item objItemA = new Item()
{
ItemId = 1, ItemName = "A", Description = "Test Item A", ItemPrice = 50
};
Item objItemB = new Item()
{
ItemId = 2, ItemName = "B", Description = "Test Item B", ItemPrice = 30
};
Item objItemC = new Item()
{
ItemId = 3, ItemName = "C", Description = "Test Item C", ItemPrice = 20
};
KartItem objKartItem1 = new KartItem(objItemA, 5);
KartItem objKartItem2 = new KartItem(objItemB, 5);
KartItem objKartItem3 = new KartItem(objItemC, 1);
List <KartItem> objPurchasedItemList = new List <KartItem>();
objPurchasedItemList.Add(objKartItem1);
objPurchasedItemList.Add(objKartItem2);
objPurchasedItemList.Add(objKartItem3);
Kart objKart = new Kart(objPurchasedItemList);
IPromotionRule objRuleA = new BuyNQtyAtFixedPrice("Promotion A", 130, 3, "A");
IPromotionRule objRuleB = new BuyNQtyAtFixedPrice("Promotion B", 45, 2, "B");
IPromotion objPromotion = new PromotionEngine();
objPromotion.ApplyPromotion(objRuleA, objKart, true);
objPromotion.ApplyPromotion(objRuleB, objKart, true);
Assert.AreEqual(370, objKart.CalculateAmountPayable());
}
public void TestAddNewPromotionRule()
{
PromotionEngine promotionEngine = new PromotionEngine();
CartManager promotedCartManager = new CartManager(new PromotionEngine());
Product product1 = new Product()
{
Id = 1, Name = "A", Price = 50
};
Product product2 = new Product()
{
Id = 2, Name = "B", Price = 30
};
Product product3 = new Product()
{
Id = 3, Name = "C", Price = 20
};
Product product4 = new Product()
{
Id = 4, Name = "D", Price = 15
};
Cart cart = new Cart()
{
Id = 1
};
cart.AddItems(new CartItem()
{
Product = product1, Quantity = 1
});
cart.AddItems(new CartItem()
{
Product = product2, Quantity = 1
});
cart.AddItems(new CartItem()
{
Product = product3, Quantity = 1
});
int expected = 100;
int actual;
actual = promotionEngine.ApplyPromotion(cart);
Assert.AreEqual(expected, actual);
}
static void Main(string[] args)
{
Item objItemA = new Item()
{
ItemId = 1, ItemName = "A", Description = "Test Item A", ItemPrice = 50
};
Item objItemB = new Item()
{
ItemId = 2, ItemName = "B", Description = "Test Item B", ItemPrice = 30
};
Item objItemC = new Item()
{
ItemId = 3, ItemName = "C", Description = "Test Item C", ItemPrice = 20
};
Item objItemD = new Item()
{
ItemId = 4, ItemName = "D", Description = "Test Item D", ItemPrice = 15
};
KartItem objKartItem1 = new KartItem(objItemA, 8);
KartItem objKartItem2 = new KartItem(objItemB, 5);
KartItem objKartItem3 = new KartItem(objItemC, 1);
KartItem objKartItem4 = new KartItem(objItemD, 1);
List <KartItem> objPurchasedItemList = new List <KartItem>();
objPurchasedItemList.Add(objKartItem1);
objPurchasedItemList.Add(objKartItem2);
objPurchasedItemList.Add(objKartItem3);
objPurchasedItemList.Add(objKartItem4);
Kart objKart = new Kart(objPurchasedItemList);
IPromotionRule objRule = new BuyNQtyAtFixedPrice("Promotion A", 130, 3, "A");
IPromotion objPromotion = new PromotionEngine();
objPromotion.ApplyPromotion(objRule, objKart);
objRule = new BuyNQtyAtFixedPrice("Promotion B", 45, 2, "B");
objPromotion.ApplyPromotion(objRule, objKart);
Console.WriteLine("Total Amount Payable :" + objKart.CalculateAmountPayable());
List <KeyValuePair <Item, int> > kvpList = new List <KeyValuePair <Item, int> >();
kvpList.Add(new KeyValuePair <Item, int>(objItemC, 1));
kvpList.Add(new KeyValuePair <Item, int>(objItemD, 1));
List <KartItem> objPurchasedItemList1 = new List <KartItem>();
KartItem objKartItem5 = new KartItem(objItemC, 2);
KartItem objKartItem6 = new KartItem(objItemD, 1);
objPurchasedItemList1.Add(objKartItem5);
objPurchasedItemList1.Add(objKartItem6);
Kart objKart1 = new Kart(objPurchasedItemList1);
objRule = new BuyNItemsAtFixedPrice("Combination C & D", 30, kvpList);
objPromotion.ApplyPromotion(objRule, objKart1);
objPromotion.ApplyPromotion(objRule, objKart);
Console.WriteLine("Total Amount Payable for Kart :" + objKart.CalculateAmountPayable());
Console.WriteLine("Total Amount Payable :" + objKart1.CalculateAmountPayable());
Console.WriteLine("Hello World!");
Console.ReadLine();
}