| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| 'use strict'; |
| |
| async function spin_up_service_worker(test) { |
| const script = 'resources/update-during-installation-worker.js'; |
| const scope = 'resources/blank.html'; |
| |
| let registration = await service_worker_unregister_and_register(test, script, scope); |
| test.add_cleanup(() => { |
| if (registration.installing) { |
| registration.installing.postMessage('finishInstall'); |
| } |
| registration.unregister(); |
| }); |
| |
| return registration; |
| } |
| |
| promise_test(async t => { |
| const registration = await spin_up_service_worker(t); |
| const worker = registration.installing; |
| |
| // spin_up_service_worker installs a cleanup hook that ensures the |
| // worker finished its installation by sending it a |
| // 'finishInstall' message, thus making sure that the registration |
| // will be cleanly removed at the end of the test. |
| assert_equals(worker.state, 'installing'); |
| promise_rejects(t, 'InvalidStateError', registration.update()); |
| }, 'ServiceWorkerRegistration.update() from client throws while installing service worker.') |
| |
| promise_test(async t => { |
| const registration = await spin_up_service_worker(t); |
| const worker = registration.installing; |
| worker.postMessage('finishInstall'); |
| |
| // By waiting for both states at the same time, the test fails |
| // quickly if the installation fails, avoiding a timeout. |
| await Promise.race([wait_for_state(t, worker, 'activated'), |
| wait_for_state(t, worker, 'redundant')]); |
| assert_equals(worker.state, 'activated', 'Service worker should be activated.'); |
| |
| const response = await new Promise(resolve => { |
| navigator.serviceWorker.onmessage = event => { resolve(event.data); }; |
| worker.postMessage('PING'); |
| }); |
| |
| // We check that the service worker instance that replied to the |
| // message is the same one that received the 'install' event since |
| // it's possible for them to be two distinct execution |
| // environments. |
| assert_true(response.installEventFired, 'Service worker should have been installed.'); |
| assert_equals(response.exception, 'InvalidStateError', 'update() should have thrown.'); |
| }, 'ServiceWorkerRegistration.update() from installing service worker throws.'); |
| </script> |
