| <!DOCTYPE html> |
| <title>Service worker intercepts a fetch request coming from a prerendered page</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/fetch-intercepted-by-service-worker.html?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, 'intercepted by service worker', |
| "fetch() should go through a service worker's fetch event handler"); |
| }, 'fetch() in a prerendering page should go through a service worker'); |
| </script> |
