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<!DOCTYPE html>
<title>Service Worker: check referer of fetch() with Referrer Policy</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"></script>
<script>
const SCOPE = 'resources/referrer-policy-iframe.html';
const SCRIPT = 'resources/fetch-rewrite-worker-referrer-policy.js';
promise_test(async t => {
const registration =
await service_worker_unregister_and_register(t, SCRIPT, SCOPE);
await wait_for_state(t, registration.installing, 'activated');
promise_test(() => registration.unregister(),
'Remove registration as a cleanup');
}, 'Initialize global state (service worker registration)');
promise_test(async t => {
const full_scope_url = new URL(SCOPE, location.href);
const redirect_to = `${full_scope_url.href}?ignore=true`;
const frame = await with_iframe(
`${SCOPE}?pipe=status(302)|header(Location,${redirect_to})|` +
'header(Referrer-Policy,origin)');
assert_equals(frame.contentDocument.referrer,
full_scope_url.origin + '/');
t.add_cleanup(() => frame.remove());
}, 'Referrer for a main resource redirected with referrer-policy (origin) ' +
'should only have origin.');
promise_test(async t => {
const host_info = get_host_info();
const frame = await with_iframe(SCOPE);
const channel = new MessageChannel();
t.add_cleanup(() => frame.remove());
const e = await new Promise(resolve => {
channel.port1.onmessage = resolve;
frame.contentWindow.postMessage(
{}, host_info['HTTPS_ORIGIN'], [channel.port2]);
});
assert_equals(e.data.results, 'finish');
}, 'Referrer for fetch requests initiated from a service worker with ' +
'referrer-policy (origin) should only have origin.');
</script>
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