test.beforeEach(async t => {
  await TestEnvironment.initialize({
    httpOrHttps: HttpHttpsEnvironment.Https
  });

  TestEnvironment.mockInternalOneSignal();
  timemachine.reset();
});

      async (pushManager, pushManagerSubscribeSpy) => {
        // After our subscription, check the subscription creation date was recorded
        const subscription = await Database.getSubscription();

        // timemachine must be reset to use native Date parse API
        timemachine.reset();

        t.deepEqual(subscription.createdAt, Date.parse(dateString));
      }

test("should set and get item without expiration", async t => {
  await TestEnvironment.initialize({
    httpOrHttps: HttpHttpsEnvironment.Https
  });
  TimedLocalStorage.setItem("my-key", "my-value");
  t.deepEqual(TimedLocalStorage.getItem("my-key"), "my-value");
  timemachine.config({
    timestamp: new Date().getTime() + 1000 * 60 * 60 * 24 * 9999
  });
  t.deepEqual(TimedLocalStorage.getItem("my-key"), "my-value");
  timemachine.reset();
});

async function expirationTestCase(
  /**
   * The browser to simulate. Chrome means using vapidPublicKey, while Firefox means using the
   * global onesignalVapidPublicKey.
   */
  t: GenericTestContext<AvaContext<any>>,
  subscriptionCreationTime: number,
  subscriptionExpirationTime: number,
  expirationCheckTime: number,
  skipCreationDateSet: boolean,
  env: IntegrationKind,
) {

  const initialVapidKeys = generateVapidKeys();

  // Force service worker active state dependency so test can run
  const stub = sandbox.stub(ServiceWorkerManager.prototype, "getActiveState")
    .resolves(ServiceWorkerActiveState.WorkerA);
  const integrationStub = sandbox.stub(SdkEnvironment, "getIntegration").resolves(env);

  const newTimeBeforeMidpoint = expirationCheckTime;

  // Set the initial datetime, which is used internally for the subscription created at
  timemachine.config({
    timestamp: subscriptionCreationTime
  });

  const initialSubscriptionOptions: PushSubscriptionOptions = {
    userVisibleOnly: true,
    applicationServerKey: base64ToUint8Array(initialVapidKeys.uniquePublic).buffer,
  };

  await testCase(
    t,
    BrowserUserAgent.ChromeMacSupported,
    initialVapidKeys.uniquePublic,
    initialVapidKeys.sharedPublic,
    SubscriptionStrategyKind.SubscribeNew,
    async (_pushManager, _subscriptionManager) => {
      // Set every subscription's expiration time to 30 days plus
      PushSubscription.prototype.expirationTime = subscriptionExpirationTime;
    },
    async (_pushManager, _pushManagerSubscribeSpy, subscriptionManager) => {
      if (skipCreationDateSet) {
        // Unset directly
        await Database.put("Options", { key: "subscriptionCreatedAt", value: null });
      }

      timemachine.config({
        timestamp: expirationCheckTime
      });

      const isExpiring = await subscriptionManager.isSubscriptionExpiring();

      if (subscriptionExpirationTime) {
        if (env === IntegrationKind.Secure || env === IntegrationKind.SecureProxy) {
          // Checks in an HTTPS environment expire at the midpoint because we can silently
          // resubscribe (HTTPS top frame silently resubscribe, HTTPS in child frame send message to
          // SW to resubscribe)
          const midpointExpirationTime =
            subscriptionCreationTime + (subscriptionExpirationTime - subscriptionCreationTime) / 2;
          if (expirationCheckTime >= midpointExpirationTime) {
            t.true(isExpiring);
          } else {
            t.false(isExpiring);
          }
        } else {
          // Checks in an HTTP environment only expire at or after the expiration time, since we
          // can't silently resubscribe
          if (expirationCheckTime >= subscriptionExpirationTime) {
            t.true(isExpiring);
          } else {
            t.false(isExpiring);
          }
        }
      } else {
        return t.false(isExpiring);
      }
    }
  );

  timemachine.reset();
  stub.restore();
  integrationStub.restore();
}