예제 #1
0
        public void GetBasketTotalWithOffersWithNoLeft()
        {
            Dictionary <string, Item> items = new Dictionary <string, Item>()
            {
                { "A99", new Item {
                      SKU = "A99", Price = 0.50m
                  } },
            };

            List <SpecialOffer> specialOffers = new List <SpecialOffer>()
            {
                new SpecialOffer()
                {
                    SKU = "A99", Quantity = 3, Price = 1.30m
                },
            };

            ItemLookup         itemLookup         = new ItemLookup(items);
            SpecialOfferLookup specialOfferLookup = new SpecialOfferLookup(specialOffers);

            Checkout checkout = new Checkout(itemLookup, specialOfferLookup);

            _ = checkout.AddItemToBasket("A99");
            _ = checkout.AddItemToBasket("A99");
            _ = checkout.AddItemToBasket("A99");

            var result = checkout.GetTotalPrice();

            Assert.Equal(1.30m, result);
        }
예제 #2
0
        public void GetBasketTotalWithoutOffers()
        {
            Dictionary <string, Item> items = new Dictionary <string, Item>()
            {
                { "A99", new Item {
                      SKU = "A99", Price = 0.50m
                  } },
            };

            ItemLookup         itemLookup         = new ItemLookup(items);
            SpecialOfferLookup specialOfferLookup = new SpecialOfferLookup(new List <SpecialOffer>());

            Checkout checkout = new Checkout(itemLookup, specialOfferLookup);

            _ = checkout.AddItemToBasket("A99");
            _ = checkout.AddItemToBasket("A99");

            var result = checkout.GetTotalPrice();

            Assert.Equal(1m, result);
        }
예제 #3
0
        public void AddIncorrectItemToBasket()
        {
            Dictionary <string, Item> items = new Dictionary <string, Item>();

            ItemLookup itemLookup = new ItemLookup(items);

            SpecialOfferLookup specialOfferLookup = new SpecialOfferLookup(new List <SpecialOffer>());

            Checkout checkout = new Checkout(itemLookup, specialOfferLookup);

            var result = checkout.AddItemToBasket("IDontExist");

            Assert.False(result);
        }
예제 #4
0
        public void AddCorrectItemToBasket()
        {
            Dictionary <string, Item> items = new Dictionary <string, Item>()
            {
                { "A99", new Item {
                      SKU = "A99", Price = 0.50m
                  } },
            };

            ItemLookup         itemLookup         = new ItemLookup(items);
            SpecialOfferLookup specialOfferLookup = new SpecialOfferLookup(new List <SpecialOffer>());

            Checkout checkout = new Checkout(itemLookup, specialOfferLookup);

            var result = checkout.AddItemToBasket("A99");

            Assert.True(result);
        }
예제 #5
0
        static void Main(string[] args)
        {
            Dictionary <string, Item> itemDictionary = new Dictionary <string, Item>()
            {
                { "A99", new Item()
                  {
                      SKU = "A99", Price = 0.50m
                  } },
                { "B15", new Item()
                  {
                      SKU = "B15", Price = 0.30m
                  } },
                { "C40", new Item()
                  {
                      SKU = "C40", Price = 0.60m
                  } },
            };

            List <SpecialOffer> specialOffers = new List <SpecialOffer>()
            {
                new SpecialOffer()
                {
                    SKU = "A99", Quantity = 3, Price = 1.30m
                },
                new SpecialOffer()
                {
                    SKU = "B15", Quantity = 2, Price = 0.45m
                },
            };

            IItemLookup        itemLookup         = new ItemLookup(itemDictionary);
            SpecialOfferLookup specialOfferLookup = new SpecialOfferLookup(specialOffers);

            ICheckout checkout = new Checkout(itemLookup, specialOfferLookup);

            Console.WriteLine("Please scan your items or ** to calculate price");

            while (true)
            {
                Console.Write("Please enter selection: ");
                var enteredText = Console.ReadLine();

                if (string.IsNullOrWhiteSpace(enteredText))
                {
                    Console.WriteLine("Empty strings are unsupported, please try again");
                    continue;
                }

                try
                {
                    switch (enteredText)
                    {
                    case "**":
                        Console.WriteLine($"The current total is: {checkout.GetTotalPrice()}");
                        break;

                    default:
                        if (checkout.AddItemToBasket(enteredText) == false)
                        {
                            Console.WriteLine("Unable to find SKU");
                        }
                        break;
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Error when performing operation.");
                    Console.WriteLine(ex);
                }
            }
        }