public void AddBasket_AddsAnIdToTheBasket()
{
IBasket basket = new Basket();
basket.Items.Add(fakeButter);
IBasketCalculatorService calculator = new BasketCalculatorService(fakeProductService);
calculator.AddBasket(basket);
Assert.IsType <Guid>(basket.Id);
}
public void AddBasket_AddsTheBasketToTheCollection()
{
IBasket basket = new Basket();
basket.Items.Add(fakeButter);
IBasketCalculatorService calculator = new BasketCalculatorService(fakeProductService);
Assert.Equal(0, calculator.Baskets.Count);
calculator.AddBasket(basket);
Assert.Equal(1, calculator.Baskets.Count);
}