public async Task AddItemToBasket_OutOfStockItem_ReturnFalse(AddBasketRequest basketRequest)
{
//arrange
_mockDummyStockProvider.Setup(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>()))
.Returns((int productId, string color, int quantity) =>
{
if (productId == 9 && color == "Cyan" && quantity < 10)
{
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}
);
var basketService = new BasketService(_mockBasketRepository.Object, _mockDummyStockProvider.Object);
//act
var result = await basketService.AddBasketsAsync(basketRequest);
//assert
Assert.False(result.IsSuccess);
_mockBasketRepository.Verify(x => x.AddBasketsAsync(It.IsAny <BasketItem>()), Times.Once);
_mockDummyStockProvider.Verify(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>()), Times.Once);
}
public async Task AddItemToBasket_InvalidBasket_InvalidBasketItemException(AddBasketRequest basketRequest)
{
//arrange
_mockDummyStockProvider.Setup(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>())).ReturnsAsync(true);
var basketService = new BasketService(_mockBasketRepository.Object, _mockDummyStockProvider.Object);
//act & assert
await Assert.ThrowsAsync <InvalidBasketItemModelException>(() => basketService.AddBasketsAsync(basketRequest));
_mockDummyStockProvider.Verify(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>()), Times.Never);
_mockBasketRepository.Verify(x => x.AddBasketsAsync(It.IsAny <BasketItem>()), Times.Never);
}
public async Task AddBasketItem_Success_ReturnTrue(AddBasketRequest basketRequest)
{
//arrange
_mockBasketRepository.Setup(x => x.AddBasketsAsync(It.IsAny <BasketItem>())).ReturnsAsync(true);
_mockDummyStockProvider.Setup(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>())).ReturnsAsync(true);
var basketService = new BasketService(_mockBasketRepository.Object, _mockDummyStockProvider.Object);
//act
var result = await basketService.AddBasketsAsync(basketRequest);
//assert
Assert.True(result.IsSuccess);
_mockBasketRepository.Verify(x => x.AddBasketsAsync(It.IsAny <BasketItem>()), Times.Once);
_mockDummyStockProvider.Verify(x => x.IsInStock(It.IsAny <int>(), It.IsAny <string>(), It.IsAny <int>()), Times.Once);
}