serviceworker_cookieStore_subscriptions_reset.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /cookie-store/serviceworker_cookieStore_subscriptions_reset.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>Cookie Store API: reset cookie change subscription list</title>

<link rel="help" href="https://github.com/WICG/cookie-store">

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

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

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

</script>

<script src='resources/helpers.js'></script>

<script>

'use strict';

promise_test(async t => {

  const registration = await service_worker_unregister_and_register(

      t, 'resources/empty_sw.js', 'resources/does/not/exist');

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

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

  await registration.cookies.subscribe(

      [{ name: 'cookie-name' }]);

  const original_subscriptions = await registration.cookies.getSubscriptions();

  assert_equals(original_subscriptions.length, 1,

                'subscription count before unregistration');

  await registration.unregister();

  const new_registration = await navigator.serviceWorker.register(

    'resources/empty_sw.js', { scope: 'resources/does/not/exist' });

  t.add_cleanup(() => new_registration.unregister());

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

  const new_subscriptions = await new_registration.cookies.getSubscriptions();

  assert_equals(new_subscriptions.length, 0,

                'subscription count after unregistration');

}, 'cookiechange subscriptions reset across service worker unregistrations');

promise_test(async t => {

  const registration = await service_worker_unregister_and_register(

      t, 'resources/always_changing_sw.sub.js', 'resources/does/not/exist');

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

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

  await registration.cookies.subscribe(

      [{ name: 'cookie-name' }]);

  const original_subscriptions = await registration.cookies.getSubscriptions();

  assert_equals(original_subscriptions.length, 1,

                'subscription count before update');

  await registration.update();

  const worker = await wait_for_update(t, registration);

  await wait_for_state(t, worker, 'activated');

  const update_subscriptions = await registration.cookies.getSubscriptions();

  assert_equals(update_subscriptions.length, 1,

                'subscription count after update');

}, 'cookiechange subscriptions persist across service worker updates');

</script>