public void should_configure_whitelist_for_sanitizer()
        {
            // given
            var whiteListSettings = new HtmlWhiteListSettings()
            {
                AllowedElements = new List <string> {
                    "StarWarsMarquee"
                },
                AllowedAttributes = new List <string> {
                    "cheesecake"
                }
            };

            var whiteListProviderMock = Substitute.For <IHtmlWhiteListProvider>();

            whiteListProviderMock
            .Deserialize()
            .Returns(whiteListSettings);

            HtmlSanitizerFactory factory = CreateFactory(null, whiteListProviderMock);

            // when
            IHtmlSanitizer sanitizer = factory.CreateHtmlSanitizer();

            // then
            sanitizer.ShouldNotBeNull();
            sanitizer.AllowDataAttributes.ShouldNotBeNull();

            sanitizer.AllowedSchemes.ShouldContain("http");
            sanitizer.AllowedSchemes.ShouldContain("https");
            sanitizer.AllowedSchemes.ShouldContain("mailto");

            sanitizer.AllowedTags.ShouldContain("StarWarsMarquee");
            sanitizer.AllowedAttributes.ShouldContain("cheesecake");
        }