public void Test_PromoHit_A_OneTime()
{
List <CartItem> shoppingCart = new List <CartItem> {
new CartItem {
Key = "A", Count = 3
},
new CartItem {
Key = "B", Count = 0
},
new CartItem {
Key = "C", Count = 0
},
new CartItem {
Key = "D", Count = 0
}
};
var log = new PromoEngineEventLogTrace(shoppingCart);
promotionRuleEngine.Process(shoppingCart, log.HandlePromoDiscount, log.CalculateTotal);
Assert.True(log.Details.Values.Where(x => x.Item1 == A3).Any());
Assert.Single(log.Details);
Assert.Equal(Pricing.PromoPrice(A3), log.TotalAmount);
}
public void Test_PromoHit_A1Time_B2Time()
{
List <CartItem> shoppingCart = new List <CartItem> {
new CartItem {
Key = "A", Count = 3
},
new CartItem {
Key = "B", Count = 5
},
new CartItem {
Key = "C", Count = 0
},
new CartItem {
Key = "D", Count = 0
}
};
var log = new PromoEngineEventLogTrace(shoppingCart);
promotionRuleEngine.Process(shoppingCart, log.HandlePromoDiscount, log.CalculateTotal);
Assert.True(log.Details.Values.Where(x => x.Item1 == A3).Count() == 1);
Assert.True(log.Details.Values.Where(x => x.Item1 == B2).Count() == 2);
Assert.Equal(3, log.Details.Count);
Assert.Equal(1 * Pricing.PromoPrice(A3) + 2 * Pricing.PromoPrice(B2) + Pricing.Price("B"), log.TotalAmount);
}
public void Test_PromoHit_CD_10Time()
{
List <CartItem> shoppingCart = new List <CartItem> {
new CartItem {
Key = "A", Count = 0
},
new CartItem {
Key = "B", Count = 0
},
new CartItem {
Key = "C", Count = 15
},
new CartItem {
Key = "D", Count = 10
}
};
var log = new PromoEngineEventLogTrace(shoppingCart);
promotionRuleEngine.Process(shoppingCart, log.HandlePromoDiscount, log.CalculateTotal);
Assert.True(log.Details.Values.Where(x => x.Item1 == C1D1).Count() == 10);
Assert.Equal(10, log.Details.Count);
Assert.Equal(10 * Pricing.PromoPrice(C1D1) + 5 * Pricing.Price("C"), log.TotalAmount);
}
public void Test_No_PromoHit()
{
List <CartItem> shoppingCart = new List <CartItem> {
new CartItem {
Key = "A", Count = 1
},
new CartItem {
Key = "B", Count = 1
},
new CartItem {
Key = "C", Count = 1
},
new CartItem {
Key = "D", Count = 0
}
};
var log = new PromoEngineEventLogTrace(shoppingCart);
promotionRuleEngine.Process(shoppingCart, log.HandlePromoDiscount, log.CalculateTotal);
Assert.Empty(log.Details);
Assert.Equal(Pricing.Price("A") + Pricing.Price("B") + Pricing.Price("C"), log.TotalAmount);
}