service-worker-clients-claim.https.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/back-forward-cache/service-worker-clients-claim.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta name="timeout" content="long">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/utils.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="resources/helper.sub.js"></script>

<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>

<script>

// Calling Clients.claim() on the service worker when a controlled page is in

// BFCache should evict the page from BFCache, as per

// https://github.com/w3c/ServiceWorker/issues/1038#issuecomment-291028845.

promise_test(async t => {

  const pageA = new RemoteContext(token());

  const pageB = new RemoteContext(token());

  const urlA = location.origin + executorPath + pageA.context_id;

  const urlB = originCrossSite + executorPath + pageB.context_id;

  window.open(urlA, '_blank', 'noopener');

  await pageA.execute_script(waitForPageShow);

  // Register a service worker after `pageA` is loaded to make `pageA`

  // uncontrolled at this time.

  const workerUrl =

      'resources/service-worker.js?pipe=header(Service-Worker-Allowed,../)';

  const registration =

      await service_worker_unregister_and_register(t, workerUrl, './');

  t.add_cleanup(_ => registration.unregister());

  await wait_for_state(t, registration.installing, 'activated');

  // Navigate to `urlB`.

  await pageA.execute_script(

    (url) => {

      prepareNavigation(() => { location.href = url; });

},

    [urlB]);

  await pageB.execute_script(waitForPageShow);

  // Call Clients.claim() on the service worker when `pageA` is in BFCache.

  const controllerChanged = new Promise(

      resolve => navigator.serviceWorker.oncontrollerchange = resolve);

  await claim(t, registration.active);

  await controllerChanged;

  // `pageA` doesn't appear in matchAll().

  const clients1 = await (await fetch('/get-clients-matchall')).json();

  assert_true(clients1.indexOf(urlA) < 0,

              '1: matchAll() before back navigation');

  // Back navigate and check that the page was evicted from BFCache.

  await pageB.execute_script(

    () => {

      prepareNavigation(() => { history.back(); });

);

  await pageA.execute_script(waitForPageShow);

  await assert_not_bfcached(pageA);

  // After back navigation, `pageA` appear in matchAll(), because it was newly

  // loaded and controlled by the service worker.

  const clients2 = await (await fetch('/get-clients-matchall')).json();

  const controlled2 = await pageA.execute_script(

    () => (navigator.serviceWorker.controller !== null));

  assert_true(clients2.indexOf(urlA) >= 0,

    '2: matchAll() just after back navigation');

  assert_true(controlled2,

    '2: pageA should be controlled just after back navigation');

}, 'Clients.claim() evicts pages that would be affected from BFCache');

</script>