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<!doctype html>
<meta charset=utf-8>
<title>Use Clear-Site-Data to immediately unregister service workers</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script src="resources/unregister-immediately-helpers.js"></script>
<body>
<script>
'use strict';
// These tests use the Clear-Site-Data network response header to immediately
// unregister a service worker registration with a worker whose state is
// 'installing' or 'parsed'. Clear-Site-Data must delete the registration,
// abort the installation and then clear the registration by setting the
// worker's state to 'redundant'.
promise_test(async test => {
// This test keeps the the service worker in the 'parsed' state by using a
// script with an infinite loop.
const script_url = 'resources/onparse-infiniteloop-worker.js';
const scope_url =
'resources/scope-for-unregister-immediately-with-parsed-worker';
await service_worker_unregister(test, /*scope=*/script_url);
// Clear-Site-Data must cause register() to fail.
const register_promise = promise_rejects_dom(test, 'AbortError',
navigator.serviceWorker.register(script_url, { scope: scope_url}));;
await Promise.all([clear_site_data(), register_promise]);
await assert_no_registrations_exist();
}, 'Clear-Site-Data must abort service worker registration.');
promise_test(async test => {
// This test keeps the the service worker in the 'installing' state by using a
// script with an install event waitUntil() promise that never resolves.
const script_url = 'resources/oninstall-waituntil-forever.js';
const scope_url =
'resources/scope-for-unregister-immediately-with-installing-worker';
const registration = await service_worker_unregister_and_register(
test, script_url, scope_url);
const service_worker = registration.installing;
// Clear-Site-Data must cause install to fail.
await Promise.all([
clear_site_data(),
wait_for_state(test, service_worker, 'redundant')]);
await assert_no_registrations_exist();
}, 'Clear-Site-Data must unregister a registration with a worker '
+ 'in the "installing" state.');
</script>
</body>
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