Example #1
0
        public async Task CssWithImportRuleShouldBeAbleToHandleNestedStylesheets()
        {
            var files = new Dictionary<String, String>
            {
                { "index.html", "<!doctype html><html><link rel=stylesheet href=origin.css type=text/css><style>@import url('linked2.css');</style>" },
                { "origin.css", "@import url(linked1.css);" },
                { "linked1.css", "" },
                { "linked2.css", "@import url(\"linked3.css\"); @import 'linked4.css';" },
                { "linked3.css", "" },
                { "linked4.css", "" },
            };
            var requester = new TestServerRequester(files);
            var config = Configuration.Default.WithDefaultLoader(setup => setup.IsResourceLoadingEnabled = true, new [] { requester }).WithCss();
            var document = await BrowsingContext.New(config).OpenAsync("http://localhost/index.html");
            var link = document.QuerySelector<IHtmlLinkElement>("link");
            var style = document.QuerySelector<IHtmlStyleElement>("style");

            await Task.Delay(100);

            Assert.IsNotNull(link);
            Assert.IsNotNull(style);

            var origin = link.Sheet as ICssStyleSheet;
            Assert.IsNotNull(origin);
            Assert.AreEqual("http://localhost/origin.css", origin.Href);
            Assert.AreEqual(1, origin.Rules.Length);
            Assert.AreEqual(CssRuleType.Import, origin.Rules[0].Type);

            var linked1 = (origin.Rules[0] as ICssImportRule).Sheet;
            Assert.IsNotNull(linked1);
            Assert.AreEqual("http://localhost/linked1.css", linked1.Href);
            Assert.AreEqual(0, linked1.Rules.Length);

            var styleSheet = style.Sheet as ICssStyleSheet;
            Assert.IsNotNull(styleSheet);
            Assert.AreEqual(null, styleSheet.Href);
            Assert.AreEqual(1, styleSheet.Rules.Length);
            Assert.AreEqual(CssRuleType.Import, styleSheet.Rules[0].Type);

            var linked2 = (styleSheet.Rules[0] as ICssImportRule).Sheet;
            Assert.IsNotNull(linked2);
            Assert.AreEqual("http://localhost/linked2.css", linked2.Href);
            Assert.AreEqual(2, linked2.Rules.Length);
            Assert.AreEqual(CssRuleType.Import, linked2.Rules[0].Type);
            Assert.AreEqual(CssRuleType.Import, linked2.Rules[1].Type);

            var linked3 = (linked2.Rules[0] as ICssImportRule).Sheet;
            Assert.IsNotNull(linked3);
            Assert.AreEqual("http://localhost/linked3.css", linked3.Href);
            Assert.AreEqual(0, linked3.Rules.Length);

            var linked4 = (linked2.Rules[1] as ICssImportRule).Sheet;
            Assert.IsNotNull(linked4);
            Assert.AreEqual("http://localhost/linked4.css", linked4.Href);
            Assert.AreEqual(0, linked4.Rules.Length);
        }
Example #2
0
        public async Task CssWithImportRuleShouldStopRecursion()
        {
            var files = new Dictionary<String, String>
            {
                { "index.html", "<!doctype html><html><link rel=stylesheet href=origin.css type=text/css>" },
                { "origin.css", "@import url(linked.css);" },
                { "linked.css", "@import url(origin.css);" },
            };
            var requester = new TestServerRequester(files);
            var config = Configuration.Default.WithDefaultLoader(setup => setup.IsResourceLoadingEnabled = true, new[] { requester }).WithCss();
            var document = await BrowsingContext.New(config).OpenAsync("http://localhost/index.html");
            var link = document.QuerySelector<IHtmlLinkElement>("link");

            await Task.Delay(100);

            Assert.IsNotNull(link);

            var origin = link.Sheet as ICssStyleSheet;
            Assert.IsNotNull(origin);
            Assert.AreEqual("http://localhost/origin.css", origin.Href);
            Assert.AreEqual(1, origin.Rules.Length);
            Assert.AreEqual(CssRuleType.Import, origin.Rules[0].Type);

            var linked = (origin.Rules[0] as ICssImportRule).Sheet;
            Assert.IsNotNull(linked);
            Assert.AreEqual("http://localhost/linked.css", linked.Href);
            Assert.AreEqual(1, linked.Rules.Length);

            var originAborted = (linked.Rules[0] as ICssImportRule).Sheet;
            Assert.IsNull(originAborted);
        }