public void ShouldGetContentByCSS() { var doc = new HtmlDocument(); var node = HtmlNode.CreateNode("<html><head></head><body><div id=\"item\">Test</div></body></html>"); doc.DocumentNode.AppendChild(node); var css = "#item"; var expectedContent = "Test"; var actualContent = _contentHandler.GetContentByCSS(doc, css); Assert.AreEqual(expectedContent, actualContent); }