| <!doctype html> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="resources/routines.js"></script> |
| </head> |
| <body> |
| <script> |
| var activeWorker; |
| var uuid = token(); |
| var url = "/WebKit/service-workers/resources/fetch-service-worker-preload-script.py?cache=True&token=" + uuid; |
| var frame; |
| const channel = new MessageChannel(); |
| |
| function waitUntilActivating() |
| { |
| return new Promise(resolve => { |
| channel.port2.onmessage = (event) => { |
| if (event.data === "activating") |
| resolve(); |
| }; |
| }); |
| } |
| |
| function triggerActivation() |
| { |
| activeWorker.postMessage("activate"); |
| } |
| |
| promise_test(async (test) => { |
| if (window.testRunner) { |
| testRunner.setUseSeparateServiceWorkerProcess(true); |
| await fetch("").then(() => { }, () => { }); |
| } |
| |
| let registration = await navigator.serviceWorker.register("/WebKit/service-workers/fetch-service-worker-preload-worker.js", { scope : url }); |
| if (!registration.installing) { |
| registration.unregister(); |
| registration = await navigator.serviceWorker.register("/WebKit/service-workers/fetch-service-worker-preload-worker.js", { scope : url }); |
| } |
| |
| activeWorker = registration.installing; |
| activeWorker.postMessage({ port: channel.port1 }, [channel.port1]); |
| |
| return waitUntilActivating(); |
| }, "Setup activating worker"); |
| |
| promise_test(async (test) => { |
| fetch(url + "&value=use-preload", { method: 'POST' }); |
| |
| // Put in the cache. |
| await fetch(url); |
| |
| // Load iframe, with activating worker, so only preload will start. |
| const promise = withIframe(url); |
| |
| triggerActivation(); |
| |
| const frame = await promise; |
| assert_equals(frame.contentWindow.value, "use-preload"); |
| |
| // We should have only one GET fetch to url: the service worker preload |
| const response = await fetch(url + "&count=True"); |
| assert_equals(await response.text(), "1"); |
| }, "Service worker load uses preload through calling fetch on the fetch event request"); |
| </script> |
| </body> |
| </html> |
