browser_doh_region.js

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/* Any copyright is dedicated to the Public Domain.

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

*/

"use strict";

add_task(async function testPrefFirstRollout() {

  await setup();

  await setupRegion();

  let defaults = Services.prefs.getDefaultBranch("");

is(

    DoHConfigController.currentConfig.enabled,

    false,

    "Rollout should not be enabled"

);

  setPassingHeuristics();

  let configFlushedPromise = DoHTestUtils.waitForConfigFlush();

  defaults.setBoolPref(`${kRegionalPrefNamespace}.enabled`, true);

  await configFlushedPromise;

is(

    DoHConfigController.currentConfig.enabled,

    true,

    "Rollout should be enabled"

);

  await ensureTRRMode(2);

is(

    Preferences.get("doh-rollout.home-region"),

    "DE",

    "Initial region should be DE"

);

  RegionTestUtils.setNetworkRegion("UK");

  await Region._fetchRegion();

  Region._setHomeRegion("UK");

  await ensureTRRMode(2); // Mode shouldn't change.

  // The idle-daily event will cause the new region to take effect.

  Services.obs.notifyObservers(null, "idle-daily");

  is(Preferences.get("doh-rollout.home-region"), "UK");

  RegionTestUtils.setNetworkRegion("FR");

  let promise = new Promise(resolve => {

    Services.obs.addObserver(function obs(subject, topic) {

      Services.obs.removeObserver(obs, topic);

      resolve();

    }, "doh-config-updated");

});

  // For a timezone change, a region check should be performed,

  // and the region should change immediately.

  Services.obs.notifyObservers(null, "default-timezone-changed");

  await promise;

  is(Preferences.get("doh-rollout.home-region"), "FR");

is(

    DoHConfigController.currentConfig.enabled,

    false,

    "Rollout should not be enabled for new region"

);

  await ensureTRRMode(undefined); // restart of the controller should change the region.

  // Reset state to initial values.

  await setupRegion();

  defaults.deleteBranch(`doh-rollout.de`);

  Preferences.reset("doh-rollout.home-region-changed");

  Preferences.reset("doh-rollout.home-region");

});