browser_aboutdebugging_serviceworker_start.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/* import-globals-from helper-serviceworker.js */

Services.scriptloader.loadSubScript(

  CHROME_URL_ROOT + "helper-serviceworker.js",

  this

);

const SW_TAB_URL = URL_ROOT_SSL + "resources/service-workers/empty-sw.html";

const SW_URL = URL_ROOT_SSL + "resources/service-workers/empty-sw.worker.js";

/**

 * Test that service workers can be started using about:debugging.

*/

add_task(async function () {

  await enableServiceWorkerDebugging();

  // Setting a low idle_timeout and idle_extended_timeout will allow the service worker

  // to reach the STOPPED state quickly, which will allow us to test the start button.

  // The default value is 30000 milliseconds.

  info("Set a low service worker idle timeout");

  await pushPref("dom.serviceWorkers.idle_timeout", 1000);

  await pushPref("dom.serviceWorkers.idle_extended_timeout", 1000);

  const { document, tab, window } = await openAboutDebugging({

    enableWorkerUpdates: true,

});

  await selectThisFirefoxPage(document, window.AboutDebugging.store);

  // Open a tab that registers a basic service worker.

  const swTab = await addTab(SW_TAB_URL);

  // Wait for the registration to make sure service worker has been started, and that we

  // are not just reading STOPPED as the initial state.

  await waitForRegistration(swTab);

  info("Wait until the service worker stops");

  const targetElement = await waitForServiceWorkerStopped(SW_URL, document);

  // Retrieve the Start button for the worker.

  const startButton = targetElement.querySelector(".qa-start-button");

  ok(startButton, "Found its start button");

  info(

    "Click on the start button and wait for the service worker to be running"

);

  const onServiceWorkerRunning = waitForServiceWorkerRunning(SW_URL, document);

  startButton.click();

  const updatedTarget = await onServiceWorkerRunning;

  // Check that the buttons are displayed as expected.

  const hasInspectButton = updatedTarget.querySelector(

    ".qa-debug-target-inspect-button"

);

  const hasStartButton = updatedTarget.querySelector(".qa-start-button");

  ok(hasInspectButton, "Service worker has an inspect button");

  ok(!hasStartButton, "Service worker does not have a start button");

  info("Unregister service worker");

  await unregisterServiceWorker(swTab);

  info("Wait until the service worker disappears from about:debugging");

  await waitUntil(() => !findDebugTargetByText(SW_URL, document));

  info("Remove tabs");

  await removeTab(swTab);

  await removeTab(tab);

});