use crabquery::Document;

let doc = Document::from(
    "<div class='container'>
       <a class='link button' id='linkmain'>
         <span>text hi there</span>
       </a>
     </div>",
);

let sel = doc.select("div.container > a.button.link[id=\"linkmain\"]");
let el = sel.first().unwrap();

assert_eq!(el.attr("id").unwrap(), "linkmain");

let sel = doc.select("div > a > span");
let el = sel.first().unwrap();

assert_eq!(el.text().unwrap(), "text hi there");