| // Copyright 2022 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| const postMessage = message => { |
| const options = { |
| includeUncontrolled: false, type: 'window' |
| }; |
| self.clients.matchAll(options).then(clients => { |
| clients.forEach(c => { |
| c.postMessage(message); |
| }); |
| }); |
| }; |
| |
| const postError = message => { |
| postMessage(new Error(message).stack); |
| }; |
| |
| const assertEquals = (expected, actual, message) => { |
| if (expected !== actual) { |
| postError(`\nExpected: ${expected}\nActual: ${actual}\n${message || ''}`); |
| throw new Error(); |
| } |
| }; |
| |
| const assertTrue = (actual, message) => { |
| assertEquals(true, actual, message); |
| }; |
| |
| self.addEventListener("install", event => { |
| self.skipWaiting(); |
| }); |
| |
| self.addEventListener('activate', event => { |
| self.clients.claim(); |
| }); |
| |
| self.addEventListener('message', async event => { |
| if (event.data === 'start-test') { |
| const cache = await caches.open('test-cache'); |
| if ((await cache.keys()).length !== 0) { |
| const keys = await cache.keys(); |
| await Promise.all(keys.map(k => cache.delete(k.url))); |
| } |
| assertEquals(0, (await cache.keys()).length); |
| await cache.put('http://www.example.com/a', new Response('a')); |
| await cache.put('http://www.example.com/b', new Response('b')); |
| await cache.put('http://www.example.com/c', new Response('c')); |
| const keys = await cache.keys(); |
| assertEquals(3, keys.length); |
| const urls = new Set(keys.map(k => k.url)); |
| assertTrue(urls.has('http://www.example.com/a')); |
| assertTrue(urls.has('http://www.example.com/b')); |
| assertTrue(urls.has('http://www.example.com/c')); |
| postMessage('end-test'); |
| return; |
| } |
| postMessage(`${JSON.stringify(event.data)}-unexpected-message`); |
| }); |