opaque-response-preloaded.https.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Opaque responses should not be reused for XHRs</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
const WORKER =
  'resources/opaque-response-preloaded-worker.js';

var done;

// These test that the browser does not inappropriately use a cached opaque
// response for a request that is not no-cors. The test opens a controlled
// iframe that uses link rel=preload to issue a same-origin no-cors request.
// The service worker responds to the request with an opaque response. Then the
// iframe does an XHR (not no-cors) to that URL again. The request should fail.
promise_test(t => {
    const SCOPE =
      'resources/opaque-response-being-preloaded-xhr.html';
    const promise = new Promise(resolve => done = resolve);

    return service_worker_unregister_and_register(t, WORKER, SCOPE)
      .then(reg => {
           add_completion_callback(() => reg.unregister());
           return wait_for_state(t, reg.installing, 'activated');
         })
      .then(() => with_iframe(SCOPE))
      .then(frame => t.add_cleanup(() => frame.remove() ))
      .then(() => promise)
      .then(result => assert_equals(result, 'PASS'));
  }, 'Opaque responses should not be reused for XHRs, loading case');

promise_test(t => {
    const SCOPE =
      'resources/opaque-response-preloaded-xhr.html';
    const promise = new Promise(resolve => done = resolve);

    return service_worker_unregister_and_register(t, WORKER, SCOPE)
      .then(reg => {
           add_completion_callback(() => reg.unregister());
           return wait_for_state(t, reg.installing, 'activated');
         })
      .then(() => with_iframe(SCOPE))
      .then(frame => t.add_cleanup(() => frame.remove() ))
      .then(() => promise)
      .then(result => assert_equals(result, 'PASS'));
  }, 'Opaque responses should not be reused for XHRs, done case');

</script>
chromium/third_party/blink/web_tests/external/wpt/service-workers/service-worker/opaque-response-preloaded.https.html
