private static Shop BuildShop()
{
var productRepository = new ProductRepository();
var productFactory = new ProductFactory(productRepository);
var discountCalculator = new DiscountCalculator();
var productSales = new List<IProductSale> {new ProductASale(discountCalculator), new ProductBSale(discountCalculator)};
return new Shop(productFactory, productSales);
}
public Shop(ProductFactory productFactory, List<IProductSale> sales)
{
this.productFactory = productFactory;
this.sales = sales;
}