test_ext_alarms_periodic.js

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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim: set sts=2 sw=2 et tw=80: */

/* eslint-disable mozilla/no-arbitrary-setTimeout */

"use strict";

add_task(async function test_periodic_alarm_fires() {

  function backgroundScript() {

    const ALARM_NAME = "test_ext_alarms";

    let count = 0;

    let timer;

    browser.alarms.onAlarm.addListener(alarm => {

      browser.test.assertEq(

        alarm.name,

        ALARM_NAME,

        "alarm has the expected name"

);

      if (count++ === 3) {

        clearTimeout(timer);

        browser.alarms.clear(ALARM_NAME).then(wasCleared => {

          browser.test.assertTrue(wasCleared, "alarm was cleared");

          browser.test.notifyPass("alarm-periodic");

});

});

    browser.alarms.create(ALARM_NAME, { periodInMinutes: 0.02 });

    timer = setTimeout(async () => {

      browser.test.fail("alarm fired expected number of times");

      let wasCleared = await browser.alarms.clear(ALARM_NAME);

      browser.test.assertTrue(wasCleared, "alarm was cleared");

      browser.test.notifyFail("alarm-periodic");

    }, 30000);

  let extension = ExtensionTestUtils.loadExtension({

    background: `(${backgroundScript})()`,

    manifest: {

      permissions: ["alarms"],

},

});

  await extension.startup();

  await extension.awaitFinish("alarm-periodic");

  await extension.unload();

});