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);
}
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);
}
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);
}
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);
}
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);
}
}
}
