| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <meta name="timeout" content="long"> |
| <title>Test that mode is set to same-origin for a main module</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| // Tests a main module service worker script fetch during an update check. |
| // The fetch should have the mode set to 'same-origin'. |
| // |
| // The test works by registering a main module service worker. It then does an |
| // update. The test server responds with an updated worker script that remembers |
| // the http request. The updated worker reports back this request to the test |
| // page. |
| promise_test(async (t) => { |
| const script = "resources/test-request-mode-worker.py"; |
| const scope = "resources/"; |
| |
| // Register the service worker. |
| await service_worker_unregister(t, scope); |
| const registration = await navigator.serviceWorker.register( |
| script, {scope, type: 'module'}); |
| await wait_for_state(t, registration.installing, 'activated'); |
| |
| // Do an update. |
| await registration.update(); |
| |
| // Ask the new worker what the request was. |
| const newWorker = registration.installing; |
| const sawMessage = new Promise((resolve) => { |
| navigator.serviceWorker.onmessage = (event) => { |
| resolve(event.data); |
| }; |
| }); |
| newWorker.postMessage('getHeaders'); |
| const result = await sawMessage; |
| |
| // Test the result. |
| assert_equals(result['sec-fetch-mode'], 'same-origin'); |
| assert_equals(result['origin'], undefined); |
| |
| }, 'headers of a main module script'); |
| |
| </script> |