controller-with-no-fetch-event-handler.https.html

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This WPT test may be referenced by the following Test IDs:
- /service-workers/service-worker/controller-with-no-fetch-event-handler.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Service Worker: controller without a fetch event handler</title>

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

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

<script src="/common/get-host-info.sub.js"></script>

<script src="resources/test-helpers.sub.js?pipe=sub"></script>

<body>

<script>

let registration;

let frame;

const host_info = get_host_info();

const remote_base_url =

    new URL(`${host_info.HTTPS_REMOTE_ORIGIN}${base_path()}resources/`);

promise_test(async t => {

  const script = 'resources/empty.js'

  const scope = 'resources/';

  promise_test(async t => {

    if (frame)

      frame.remove();

    if (registration)

      await registration.unregister();

  }, 'cleanup global state');

  registration = await

      service_worker_unregister_and_register(t, script, scope);

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

  frame = await with_iframe(scope + 'blank.html');

}, 'global setup');

promise_test(async t => {

    const url = new URL('cors-approved.txt', remote_base_url);

    const response = await frame.contentWindow.fetch(url, {mode:'no-cors'});

    const text = await response.text();

    assert_equals(text, '');

}, 'cross-origin request, no-cors mode');

promise_test(async t => {

    const url = new URL('cors-denied.txt', remote_base_url);

    const response = frame.contentWindow.fetch(url);

    await promise_rejects_js(t, frame.contentWindow.TypeError, response);

}, 'cross-origin request, cors denied');

promise_test(async t => {

    const url = new URL('cors-approved.txt', remote_base_url);

    response = await frame.contentWindow.fetch(url);

    let text = await response.text();

    text = text.trim();

    assert_equals(text, 'plaintext');

}, 'cross-origin request, cors approved');

</script>

</body>