public void Cart_With_MulipleTypeSkus_OneItemEach_FlatPrice_PromotionTest()
{
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
var productB = new PR.Product(PR.SKUType.B, 30);
var productC = new PR.Product(PR.SKUType.C, 20);
//Add 1 A and 1 B and 1 C
cart.AddItem(productA);
cart.AddItem(productB);
cart.AddItem(productC);
var flatPriceRule1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 3, 130, 1);
var flatPriceRule2 = new PR.ProductPromoter(productB.SkuType, productB.Price, 2, 45, 1);
var flatPriceRule3 = new PR.ProductPromoter(productC.SkuType, productC.Price, 1, 20, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(flatPriceRule1);
promoRuleList.Add(flatPriceRule2);
promoRuleList.Add(flatPriceRule3);
PR.ProductPromotionStrategy promoRules = new PR.FlatPricePromotion(promoRuleList);
cart.PromotionStrategy = promoRules;
var totalPrice = cart.GetCartTotal();
Assert.Equal(100, totalPrice);
}
[Fact] //Scenario A
public void GetCartTotal_With_No_Promotion_Test()
{
//Arrange
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
var productB = new PR.Product(PR.SKUType.B, 30);
var productC = new PR.Product(PR.SKUType.C, 20);
cart.AddItem(productA);
cart.AddItem(productB);
cart.AddItem(productC);
var noPromoRuleA = new PR.ProductPromoter(productA.SkuType, productA.Price, 1, productA.Price, 1);
var noPromoRuleA1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 1, productA.Price, 1);
var noPromoRuleB = new PR.ProductPromoter(productB.SkuType, productB.Price, 1, productB.Price, 1);
var noPromoRuleC = new PR.ProductPromoter(productC.SkuType, productC.Price, 1, productC.Price, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(noPromoRuleA);
promoRuleList.Add(noPromoRuleA1);
promoRuleList.Add(noPromoRuleB);
promoRuleList.Add(noPromoRuleC);
//PR.ProductPromotionStrategy promoRules = new PR.NoPromotion(promoRuleList);
//cart.PromotionRules = promoRules;
//Act
double totalPrice = cart.GetCartTotal();
//Assert
Assert.IsAssignableFrom <PR.Cart>(cart);
Assert.True(cart.Count == 3);
Assert.Equal(100.0, totalPrice, 1);
}
public override double CalculatePrice(int itemCount, ProductPromoter currentRule)
{
double price = 0.0;
var chunk = itemCount / currentRule.Count;
price += chunk * currentRule.PromotionPrice + (itemCount - (currentRule.Count * chunk)) * currentRule.ProudctPrice;
return(price);
}
public void OneType_Sku_DiscountPrice_PromotionTest()
{
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
cart.AddItem(productA);
var discountPriceRule1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 2, 50, 0.1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(discountPriceRule1);
PR.ProductPromotionStrategy promotion = new PR.DiscountedPricePromotion(promoRuleList);
Assert.Equal(" 2 A(s) @ 10% OFF on Total Price", promotion.ToString());
}
public void OneTypeSkuFlatPricePromotionTest()
{
var cart = new PR.Cart();
var product = new PR.Product(PR.SKUType.A, 50);
cart.AddItem(product);
var flatPriceRule = new PR.ProductPromoter(product.SkuType, product.Price, 3, 130, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(flatPriceRule);
//PR.IPromotion promotion = new PR.FlatPricePromotion(promoRuleList);
PR.ProductPromotionStrategy promotion = new PR.FlatPricePromotion(promoRuleList);
Assert.Equal(" 3 A(s) @ 130$", promotion.ToString());
}
[Fact] //Scenario C
public void Cart_With_MulipleTypeSkus_Combo_FlatPrice_PromotionTest()
{
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
var productB = new PR.Product(PR.SKUType.B, 30);
var productC = new PR.Product(PR.SKUType.C, 20);
var productD = new PR.Product(PR.SKUType.D, 15);
//Add 3 A
for (int i = 0; i < 3; i++)
{
cart.AddItem(productA);
}
//Add 5 B
for (int i = 0; i < 5; i++)
{
cart.AddItem(productB);
}
//Add 1 C
cart.AddItem(productC);
//Add 1 D
cart.AddItem(productD);
var flatPriceRule1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 3, 130, 1);
var flatPriceRule2 = new PR.ProductPromoter(productB.SkuType, productB.Price, 2, 45, 1);
var flatPriceRule3 = new PR.ProductPromoter(productC.SkuType, productC.Price, 1, 15, 1);
var flatPriceRule4 = new PR.ProductPromoter(productD.SkuType, productD.Price, 1, 15, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(flatPriceRule1);
promoRuleList.Add(flatPriceRule2);
promoRuleList.Add(flatPriceRule3);
promoRuleList.Add(flatPriceRule4);
PR.ProductPromotionStrategy promoRules = new PR.FlatPricePromotion(promoRuleList);
cart.PromotionStrategy = promoRules;
var totalPrice = cart.GetCartTotal();
Assert.Equal(280, totalPrice);
}
public void Promotion_AddMultipleSkuTest()
{
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
var productB = new PR.Product(PR.SKUType.B, 30);
cart.AddItem(productA);
for (int i = 0; i < 2; i++)
{
cart.AddItem(productB);
}
var flatPriceRule1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 1, 50, 1);
var flatPriceRule2 = new PR.ProductPromoter(productB.SkuType, productB.Price, 2, 30, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(flatPriceRule1);
promoRuleList.Add(flatPriceRule2);
PR.ProductPromotionStrategy promotion = new PR.FlatPricePromotion(promoRuleList);
Assert.Equal(" 1 A @ 50$ 2 B(s) @ 30$", promotion.ToString());
}
public void Cart_With_OneTypeSkus_FlatPrice_PromotionTest()
{
var cart = new PR.Cart();
var productA = new PR.Product(PR.SKUType.A, 50);
//Add 5 As
for (int i = 0; i < 5; i++)
{
cart.AddItem(productA);
}
var flatPriceRule1 = new PR.ProductPromoter(productA.SkuType, productA.Price, 3, 130, 1);
var promoRuleList = new List <PR.ProductPromoter>();
promoRuleList.Add(flatPriceRule1);
PR.ProductPromotionStrategy promoRules = new PR.FlatPricePromotion(promoRuleList);
cart.PromotionStrategy = promoRules;
var totalPrice = cart.GetCartTotal();
Assert.Equal(230, totalPrice);
}
public abstract double CalculatePrice(int itemCount, ProductPromoter currentRule);
public override double CalculatePrice(int itemCount, ProductPromoter currentRule) => base.CalculatePrice(itemCount, currentRule);