navigation-intercepted-by-service-worker.https.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/navigation-intercepted-by-service-worker.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Service worker intercepts a navigation and starts prerendering</title>

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

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

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

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

promise_test(async t => {

  const uid = token();

  const PAGE_URL = `resources/non-existent-page.html?should-intercept&uid=${uid}`;

  const WORKER_URL = 'resources/fetch-intercept-worker.js';

  const registration =

    await service_worker_unregister_and_register(t, WORKER_URL, PAGE_URL);

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

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

  const bc = new PrerenderChannel('prerender-channel', uid);

  t.add_cleanup(_ => bc.close());

  const gotMessage = new Promise(resolve => {

    bc.addEventListener('message', e => {

      resolve(e.data);

    }, {

      once: true

});

});

  startPrerendering(PAGE_URL);

  const result = await gotMessage;

  assert_equals(result, 'prerender success');

}, 'navigation should be intercepted by a service worker');

</script>