| <!DOCTYPE html> |
| <title>Service Worker: Workers should have their own unique client Id</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <body> |
| <script> |
| |
| // Get the iframe client ID by calling postMessage() on its controlling |
| // worker. This will cause the service worker to post back the |
| // MessageEvent.source.id value. |
| function getFrameClientId(frame) { |
| return new Promise(resolve => { |
| let mc = new MessageChannel(); |
| frame.contentWindow.navigator.serviceWorker.controller.postMessage( |
| 'echo-client-id', [mc.port2]); |
| mc.port1.onmessage = evt => { |
| resolve(evt.data); |
| }; |
| }); |
| } |
| |
| // Get the worker client ID by creating a worker that performs an intercepted |
| // fetch(). The synthetic fetch() response will contain the FetchEvent.clientId |
| // value. This is then posted back to here. |
| function getWorkerClientId(frame) { |
| return new Promise(resolve => { |
| let w = new frame.contentWindow.Worker('worker-echo-client-id.js'); |
| w.onmessage = evt => { |
| resolve(evt.data); |
| }; |
| }); |
| } |
| |
| promise_test(async function(t) { |
| const script = './resources/worker-client-id-worker.js'; |
| const scope = './resources/worker-client-id'; |
| const frame = scope + '/frame.html'; |
| |
| let reg = await navigator.serviceWorker.register(script, { scope }); |
| t.add_cleanup(async _ => await reg.unregister()); |
| await wait_for_state(t, reg.installing, 'activated'); |
| |
| let f = await with_iframe(frame); |
| t.add_cleanup(_ => f.remove()); |
| |
| let frameClientId = await getFrameClientId(f); |
| assert_not_equals(frameClientId, null, 'frame client id should exist'); |
| |
| let workerClientId = await getWorkerClientId(f); |
| assert_not_equals(workerClientId, null, 'worker client id should exist'); |
| |
| assert_not_equals(frameClientId, workerClientId, |
| 'frame and worker client ids should be different'); |
| }, 'Verify workers have a unique client id separate from their owning documents window'); |
| |
| </script> |
| </body> |