browser_scopedTrackingProtection.js

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/* Any copyright is dedicated to the Public Domain.

 * https://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const SCOPED_PREF = Ci.nsIScopedPrefs.PRIVACY_TRACKINGPROTECTION_ENABLED;

add_setup(async function () {

  await SpecialPowers.pushPrefEnv({

    set: [["privacy.trackingprotection.enabled", true]],

});

  await UrlClassifierTestUtils.addTestTrackers();

  registerCleanupFunction(() => {

    UrlClassifierTestUtils.cleanupTestTrackers();

});

});

async function loadTrackerInTab(browser) {

  let blockedPromise = waitForContentBlockingEvent(window).then(

    () => "blocked"

);

  let loadPromise = SpecialPowers.spawn(

    browser,

    [TEST_3RD_PARTY_DOMAIN_TP],

    async function (url) {

      let iframe = content.document.createElement("iframe");

      let loaded = ContentTaskUtils.waitForEvent(iframe, "load").then(

        () => "loaded"

);

      iframe.src = url;

      content.document.body.appendChild(iframe);

      return loaded;

);

  return Promise.race([loadPromise, blockedPromise]);

add_task(async function test_scoped_pref_disable() {

  let tab = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    TEST_TOP_PAGE

);

  let browser = tab.linkedBrowser;

  let result = await loadTrackerInTab(browser);

  is(result, "blocked", "Tracker is blocked when TP is enabled");

  let bc = tab.linkedBrowser.browsingContext;

  bc.scopedPrefs.setBoolPrefScoped(SCOPED_PREF, bc, false);

  result = await loadTrackerInTab(browser);

is(

    result,

    "loaded",

    "Tracker is allowed after disabling TP for this bc via ScopedPrefs"

);

  await BrowserTestUtils.removeTab(tab);

});