public async void FindOptionByProductId_CorrectID_Return_Correct_Result()
{
// Arrange
Product product = TestProduct;
string guid = Guid.NewGuid().ToString();
repository.Setup(r => r.FindProductById(It.IsAny <Guid>()))
.ReturnsAsync(product);
List <ProductOption> productOptionList = TestProductOptionList;
repository.Setup(r => r.FindOptionsByProductId(It.IsAny <Guid>()))
.ReturnsAsync(productOptionList);
// Act
var result = await sut.FindOptionsByProductId(guid);
// Assert
Assert.IsType <OkObjectResult>(result);
var okObjectResult = result as OkObjectResult;
Assert.True(okObjectResult != null);
var okResult = okObjectResult.Value as ProductOptionsDto;
Assert.True(okResult.Items.Count == 2);
Assert.True(okResult.Items.First().Id == productOptionList.First().Id);
}
