Bugzilla id=1366231

hasVisits.js

/**
   * Determine if a page has been visited.
   *
   * @param pages: (URL or nsIURI)
   *      The full URI of the page.
   *            or (string)
   *      The full URI of the page or the GUID of the page.
   *
   * @return (Promise)
   *      A promise resolved once the operation is complete.
   * @resolve (bool)
   *      `true` if the page has been visited, `false` otherwise.
   * @throws (Error)
   *      If `pages` has an unexpected type or if a string provided
   *      is neither not a valid GUID nor a valid URI.
   */
  hasVisits(page) {
    let uri = PlacesUtils.normalizeToURLOrGUID(page);
    return new Promise((resolve,reject)=>{
        PlacesUtils.asyncHistory.isURIVisited(uri,{
          isVisited:(aURI,aIsVisited)=>{
            resolve(aIsVisited);
          }
        });
    })
  }

test_hasVisits.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Tests for `History.hasVisits` as implemented in History.jsm

"use strict";

add_task(async function test_has_visits_error_cases() {
  Assert.throws(
    () => PlacesUtils.history.hasVisits(),
    /TypeError: Invalid url or guid: undefined/,
    "passing a null into History.hasVisits should throw a TypeError"
  );
  Assert.throws(
    () => PlacesUtils.history.hasVisits(1),
    /TypeError: Invalid url or guid: 1/,
    "passing an invalid url into History.hasVisits should throw a TypeError"
  );
  Assert.throws(
    () => PlacesUtils.history.hasVisits({}),
    /TypeError: Invalid url or guid: [object Object]/,
    "passing an invalid (not of type URI or nsIURI) object to History.hasVisits should throw a TypeError"
  );
});

add_task(async function test_history_has_visits(){
    const TEST_URL = "http://mozilla.com/";
    //Check for hasVisits should resolve to false
    //then insert a pageinfo using History.insert
    //then check for hasVisits should resolve to true
    //then clearHistory using PlacesTestUtils.clearHistory();
});