public async Task AddToBasket_ReturnsLaptopConfigurationList()
{
// Arrange
var mockService = new Mock <ILaptopService>();
mockService.Setup(s => s.AddToBasket(It.IsAny <BasketItem>()))
.ReturnsAsync(MockDataProvider.GetBasket());
var controller = new LaptopShopController(mockService.Object);
// Act
var result = await controller.AddToBasket(It.IsAny <BasketItem>());
// Assert
var okResult = Assert.IsType <OkObjectResult>(result);
var returnValue = Assert.IsType <BasketViewModel>(okResult.Value);
Assert.NotNull(returnValue);
var basketItems = Assert.IsType <List <BasketItems> >(returnValue.BasketItems);
var basketItem = basketItems.FirstOrDefault();
Assert.NotNull(basketItem);
Assert.NotNull(basketItem.Laptop);
Assert.Equal("Dell", basketItem.Laptop.Name);
var configurations = Assert.IsType <List <LaptopConfiguration> >(basketItem.LaptopConfigurations);
var configuration = configurations.FirstOrDefault();
Assert.NotNull(configuration);
Assert.Equal("8GB", configuration.Value);
}