public void MarkdownLinksAreConvertedToHtmlLinks() { string htmlTestPage = @" <html> <head></head> <body> <a title=""myLink"" href=""somepath/to/a/file/with/extension.md"">My Link</a> </body> </html>"; MarkdownLinkPostFilter filter = new MarkdownLinkPostFilter(); string revisedHtmlPage = filter.Apply(htmlTestPage); Assert.True(htmlTestPage.Contains("extension.md")); Assert.False(revisedHtmlPage.Contains("extension.md")); Assert.True(revisedHtmlPage.Contains("extension.html")); }