public void GetImageType_ReturnsCorrectImageType() { Assert.Equal(ImageType.Full, AttributeHelpers.GetImageType("FULL")); Assert.Equal(ImageType.Snippet, AttributeHelpers.GetImageType("SNIPPET")); Assert.Null(AttributeHelpers.GetImageType("")); Assert.Null(AttributeHelpers.GetImageType(null)); Assert.Null(AttributeHelpers.GetImageType("SOME_RANDOM_STRING")); }