test_ext_idle.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>WebExtension test</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>

  <script type="text/javascript" src="head.js"></script>

  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

</head>

<body>

<script type="text/javascript">

"use strict";

add_task(async function testWithRealIdleService() {

  function background() {

    browser.test.onMessage.addListener(async (msg, ...args) => {

      let detectionInterval = args[0];

      if (msg == "addListener") {

        browser.idle.setDetectionInterval(detectionInterval);

        let status = await browser.idle.queryState(detectionInterval);

        browser.test.assertEq("active", status, "Idle status is active");

        browser.idle.onStateChanged.addListener(async newState => {

          browser.test.assertEq("idle", newState, "listener fired with the expected state");

          browser.test.sendMessage("listenerFired");

          let status = await browser.idle.queryState(detectionInterval);

          browser.test.assertEq("idle", status, "Idle status is idle");

          browser.test.notifyPass("idle");

});

        browser.test.sendMessage("listenerAdded");

});

  let extension = ExtensionTestUtils.loadExtension({

    background,

    manifest: {

      permissions: ["idle"],

},

});

  await extension.startup();

  let chromeScript = loadChromeScript(() => {

    const {sendAsyncMessage} = this;

    const idleService = Cc["@mozilla.org/widget/useridleservice;1"].getService(Ci.nsIUserIdleService);

    let idleTime = idleService.idleTime;

    sendAsyncMessage("detectionInterval", Math.max(Math.ceil(idleTime / 1000) + 10, 15));

});

  let detectionInterval = await chromeScript.promiseOneMessage("detectionInterval");

  chromeScript.destroy();

  info(`Setting interval to ${detectionInterval}`);

  extension.sendMessage("addListener", detectionInterval);

  await extension.awaitMessage("listenerAdded");

  info("Listener added");

  await extension.awaitMessage("listenerFired");

  info("Listener fired");

  await extension.awaitFinish("idle");

  await extension.unload();

});

</script>

</body>

</html>