public void ProcessPromotion_scenario2()
{
//arrange
IPromotionEngine promotionEngine = new PromotionEngine();
var cartItems = new List <CartItem> {
new CartItem()
{
UnitId = "A", UnitCount = 5, UnitPrice = 50
},
new CartItem()
{
UnitId = "B", UnitCount = 5, UnitPrice = 30
},
new CartItem()
{
UnitId = "C", UnitCount = 1, UnitPrice = 20
},
};
var promotions = new List <Promotion> {
new Promotion()
{
PromotionId = 1, PromotionText = "3 of A's for 130", PromotionPrice = 130, IsActive = true,
Conditions = new List <PromotionCondition> {
new PromotionCondition()
{
Item = "A", CountRequired = 3
}
}
},
new Promotion()
{
PromotionId = 2, PromotionText = "2 of B's for 45", PromotionPrice = 45, IsActive = true,
Conditions = new List <PromotionCondition> {
new PromotionCondition()
{
Item = "B", CountRequired = 2
}
}
},
new Promotion()
{
PromotionId = 3, PromotionText = "C & D for 30", PromotionPrice = 30, IsActive = true,
Conditions = new List <PromotionCondition> {
new PromotionCondition()
{
Item = "C", CountRequired = 1
},
new PromotionCondition()
{
Item = "D", CountRequired = 1
}
}
}
};
decimal expectedResult = 370;
//act
var result = promotionEngine.ProcessPromotion(cartItems, promotions);
//assert
Assert.AreEqual(expectedResult, result);
}