importScripts("/resources/testharness.js");

async function cleanup() {
  for (const n of await registration.getNotifications()) {
    n.close();
  }
}

async function test_notification(t, title) {
  t.add_cleanup(cleanup);

  const notifications = await registration.getNotifications();

  assert_equals(
    notifications.length,
    1,
    "There should be one stored notification"
  );
  const notification = notifications[0];
  assert_true(notification instanceof Notification, "Should be a Notification");
  assert_equals(notification.title, title, "Title should match");
}

async function postAll(data) {
  const clients = await self.clients.matchAll({ includeUncontrolled: true });
  assert_true(clients.length > 0, "clients.length");
  for (const client of clients) {
    client.postMessage(data);
  }
}

async function untilActivate() {
  if (registration.active) {
    return;
  }
  return new Promise(resolve => {
    addEventListener("activate", resolve, { once: true });
  });
}

promise_test(async t => {
  await new Promise((resolve, reject) => {
    self.addEventListener("message", ev => {
      if (ev.data === "notification-created") {
        resolve();
      }
    });
    untilActivate().then(() => postAll("notification-create")).catch(reject);
  });
  await test_notification(t, "Created from window");
}, "Get notification created from window");

promise_test(async t => {
  await registration.showNotification("Created here");
  await test_notification(t, "Created here");
}, "Create and get notification within service worker");