exp = "example.com/index.html";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file:/home/user";
        exp = "/home/user";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file:/c:/home/user";
        exp = "c:\\home\\user";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file:/c:/";
        exp = "c:\\";