/**
 * Copyright 2019 The AMP HTML 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.
 */

window.__testCleanup = () => {
  const unregisterSW = () => {
    return navigator.serviceWorker.getRegistrations().then(registrations => {
      const unregisterPromise = registrations.map(registration => {
        return registration.unregister();
      });
      return Promise.all(unregisterPromise);
    });
  };

  const clearCaches = () => {
    return window.caches.keys().then(cacheNames => {
      return Promise.all(
        cacheNames.map(cacheName => {
          return window.caches.delete(cacheName);
        }),
      );
    });
  };

  return Promise.all([unregisterSW(), clearCaches()]);
};
