public void CalculateOrder_WithOut_Promotion()
{
///Arrange
List <Sku> selectedSkus = new List <Sku>
{
new Sku {
SkuId = 'A', UnitPrice = 50, Quantity = 3
},
new Sku {
SkuId = 'B', UnitPrice = 30, Quantity = 3
},
new Sku {
SkuId = 'C', UnitPrice = 20, Quantity = 2
},
new Sku {
SkuId = 'D', UnitPrice = 15, Quantity = 2
}
};
Cart checkoutCart = new Cart {
Skus = selectedSkus
};
OrderCalculator orderCalculator = new OrderCalculator();
///Act
orderCalculator.CalculateTotal(checkoutCart);
///Assert
Assert.IsTrue(checkoutCart.OrderTotal.ToString().Equals("310"));
}
public void CalculateOrder_With_Promotion_With_Quotient()
{
///Arrange
List <Sku> selectedSkus = new List <Sku>
{
new Sku {
SkuId = 'A', UnitPrice = 50, Quantity = 10
},
new Sku {
SkuId = 'B', UnitPrice = 30, Quantity = 4
},
new Sku {
SkuId = 'C', UnitPrice = 20, Quantity = 13
},
new Sku {
SkuId = 'D', UnitPrice = 15, Quantity = 1
}
};
List <Promotion> activePromotions = new List <Promotion>
{
new Promotion {
SkuId = 'A', IsMutualExclusive = false, PromotionPercentage = 13, PromotionQuantity = 3
},
new Promotion {
SkuId = 'B', IsMutualExclusive = false, PromotionPercentage = 4, PromotionQuantity = 2
},
new Promotion {
SkuId = 'C', IsMutualExclusive = false, PromotionPercentage = 20, PromotionQuantity = 10
},
new Promotion {
SkuId = 'D', IsMutualExclusive = false, PromotionPercentage = 0, PromotionQuantity = 1
}
};
Cart checkoutCart = new Cart {
Skus = selectedSkus, Promotions = activePromotions
};
OrderCalculator orderCalculator = new OrderCalculator();
///Act
orderCalculator.CalculateTotal(checkoutCart);
///Assert
Assert.AreEqual(checkoutCart.GrandPromotionTotal.ToString(), "103.3");
Assert.AreEqual(checkoutCart.GrandTotal.ToString(), "895");
Assert.AreEqual(checkoutCart.OrderTotal.ToString(), "791.7");
}
