Esempio n. 1
0
        public void CalculateReducePrice_MoreMeetProductQuantity_HasReducePrice()
        {
            const int     QUANTITY            = 10;
            const int     MEETQUANTITY        = 20;
            const int     FREEQUANTITY        = 15;
            const decimal UNIT_PRICE_PRODUCT1 = 10;
            const decimal UNIT_PRICE_PRODUCT2 = 20;
            const decimal UNIT_PRICE_PRODUCT3 = 30;
            var           promotion           = new PromotionRuleBuyMoreSomeFree("promotionId", "title", MEETQUANTITY, FREEQUANTITY);

            promotion.JoinProduct("productId1", "productName");
            promotion.JoinProduct("productId2", "productName");
            promotion.JoinProduct("productId3", "productName");
            Assert.AreEqual(true, promotion.IsExistedProduct("productId1"));
            Assert.AreEqual(true, promotion.IsExistedProduct("productId2"));
            Assert.AreEqual(true, promotion.IsExistedProduct("productId3"));
            List <BoughtProduct> products = new List <BoughtProduct>
            {
                new BoughtProduct("productId1", QUANTITY, UNIT_PRICE_PRODUCT1, 0, null, null),
                new BoughtProduct("productId2", QUANTITY, UNIT_PRICE_PRODUCT2, 0, null, null),
                new BoughtProduct("productId3", QUANTITY, UNIT_PRICE_PRODUCT3, 0, null, null)
            };
            var reducePrice = promotion.CalculateReducePrice(products);

            Assert.AreEqual(UNIT_PRICE_PRODUCT1 * QUANTITY + UNIT_PRICE_PRODUCT2 * (FREEQUANTITY - QUANTITY), reducePrice);
        }
Esempio n. 2
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        public void CalculateReducePrice_BoughtProductIsNull_ReducePriceZero()
        {
            var promotion = new PromotionRuleBuyMoreSomeFree("promotionId", "title", 20, 15);

            promotion.JoinProduct("productId1", "productName");
            promotion.JoinProduct("productId2", "productName");
            promotion.JoinProduct("productId3", "productName");
            Assert.AreEqual(true, promotion.IsExistedProduct("productId1"));
            Assert.AreEqual(true, promotion.IsExistedProduct("productId2"));
            Assert.AreEqual(true, promotion.IsExistedProduct("productId3"));
            var reducePrice = promotion.CalculateReducePrice(null);

            Assert.AreEqual(0, reducePrice);
        }