public void Basket_4Milk_Total_3Pounds45()
{
var basket = new Basket();
var products = Enumerable.Repeat(ProductMocks.Milk, 4);
basket.AddProducts(products);
var milkOffer = new MilkOffer();
decimal total = basket
.WithOffers(milkOffer)
.GetTotal();
Assert.AreEqual(3.45m, total);
}
public void Basket_With_3Pounds_Products_Total_3Pounds()
{
var basket = new Basket();
var products = new List <Product>
{
new Product(string.Empty, 1),
new Product(string.Empty, 2)
};
basket.AddProducts(products);
decimal total = basket.GetTotal();
Assert.AreEqual(3m, total);
}
public void Add_Products_Basket_Should_Have_Those_Products()
{
var basket = new Basket();
var products = new List <Product>
{
new Product("0", 0),
new Product("1", 1)
};
basket.AddProducts(products);
Assert.AreEqual(products.Count, basket.Products.Count);
Assert.AreSame(products[0], basket.Products[0]);
Assert.AreSame(products[1], basket.Products[1]);
}
public void Basket_1Bread_1Butter_1Milk_Total_2Pounds95()
{
var basket = new Basket();
var products = new List <Product>
{
ProductMocks.Bread,
ProductMocks.Butter,
ProductMocks.Milk
};
basket.AddProducts(products);
decimal total = basket.GetTotal();
Assert.AreEqual(2.95m, total);
}
public void Basket_2Butter_2Bread_Total_3Pounds10()
{
var basket = new Basket();
var products = new List <Product>
{
ProductMocks.Bread,
ProductMocks.Bread,
ProductMocks.Butter,
ProductMocks.Butter
};
basket.AddProducts(products);
var butterOffer = new ButterOffer();
decimal total = basket
.WithOffers(butterOffer)
.GetTotal();
Assert.AreEqual(3.1m, total);
}
public void Basket_Duplicate_Offers_DoNot_Cumulate()
{
var basket = new Basket();
var products = Enumerable.Repeat(ProductMocks.Milk, 8).ToList();
products.AddRange(new List <Product>
{
ProductMocks.Bread,
ProductMocks.Butter,
ProductMocks.Butter
});
Enumerable.Repeat(ProductMocks.Milk, 8);
basket.AddProducts(products);
var butterOffer = new ButterOffer();
var milkOffer = new MilkOffer();
decimal total = basket
.WithOffers(butterOffer, milkOffer, milkOffer, butterOffer)
.GetTotal();
Assert.AreEqual(9, total);
}
static void Main(string[] args)
{
var productRepository = new ProductRepository();
var ruleRepository = new RuleRepository(productRepository);
var discountRepository = new DiscountRepository(ruleRepository, productRepository);
var compiler = new DiscountCompiler();
var compiledDiscounts = compiler.Compile(discountRepository.GetFromSource());
var discountManager = new DiscountManager(compiledDiscounts);
var basket = new Basket(discountManager);
var products = productRepository.GetFromSource().ToArray();
var butter = products[0];
var milk = products[1];
var bread = products[2];
basket.AddProducts(new BasketItem(1, butter), new BasketItem(1, milk), new BasketItem(1, bread));
var logger = new FileLogger();
Console.WriteLine("Case 1: ");
var summary1 = basket.CalculateSum();
Console.WriteLine(summary1);
logger.Log(summary1);
basket.Clear();
basket.AddProducts(new BasketItem(2, butter), new BasketItem(2, bread));
Console.WriteLine("Case 2: ");
var summary2 = basket.CalculateSum();
Console.WriteLine(summary2);
logger.Log(summary2);
basket.Clear();
basket.AddProducts(new BasketItem(4, milk));
Console.WriteLine("Case 3: ");
var summary3 = basket.CalculateSum();
Console.WriteLine(summary3);
logger.Log(summary3);
basket.Clear();
basket.AddProducts(new BasketItem(2, butter), new BasketItem(1, bread), new BasketItem(8, milk));
Console.WriteLine("Case 4:");
var summary4 = basket.CalculateSum();
Console.WriteLine(summary4);
logger.Log(summary4);
basket.Clear();
basket.AddProducts(new BasketItem(2, butter), new BasketItem(1, bread), new BasketItem(9, milk));
Console.WriteLine("Case 5:");
var summary5 = basket.CalculateSum();
Console.WriteLine(summary5);
logger.Log(summary5);
}