pushsubscriptionchange.https.any.js

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This WPT test may be referenced by the following Test IDs:
- /push-api/pushsubscriptionchange.https.any.window-module.html - WPT Dashboard Interop Dashboard

// META: global=window-module

// META: script=/resources/testdriver.js

// META: script=/resources/testdriver-vendor.js

// META: script=/notifications/resources/helpers.js

let registration;

promise_setup(async () => {

  await trySettingPermission("granted");

  registration = await getActiveServiceWorker("push-sw.js");

});

promise_test(async (t) => {

  const promise = new Promise(r => {

    navigator.serviceWorker.addEventListener("message", r, { once: true })

});

  const subscription = await registration.pushManager.subscribe();

  t.add_cleanup(() => subscription.unsubscribe());

  // https://w3c.github.io/push-api/#security-and-privacy-considerations

  // When a permission is revoked, the user agent MAY fire the "pushsubscriptionchange"

  // event for subscriptions created with that permission

//

  // But Firefox fires pushsubscriptionchange on permission regrant instead of revocation.

  // https://github.com/w3c/push-api/issues/236

  await trySettingPermission("prompt");

  await trySettingPermission("granted");

  const pushSubscriptionChangeEvent = await promise;

  assert_equals(pushSubscriptionChangeEvent.data.type, "pushsubscriptionchange");

  assert_equals(pushSubscriptionChangeEvent.data.constructor, "PushSubscriptionChangeEvent");

  assert_object_equals(pushSubscriptionChangeEvent.data.oldSubscription, subscription.toJSON());

}, "Fire pushsubscriptionchange event when permission is revoked");

promise_test(async (t) => {

  const promise = new Promise(r => {

    navigator.serviceWorker.addEventListener("message", r, { once: true })

});

  const subscription = await registration.pushManager.subscribe();

  t.add_cleanup(() => subscription.unsubscribe());

  await SpecialPowers.spawnChrome([], async () => {

    // Bug 1210943: UAID changes should drop existing push subscriptions

    const uaid = await Services.prefs.getStringPref("dom.push.userAgentID");

    await Services.prefs.setStringPref("dom.push.userAgentID", uaid + "0");

})

  const pushSubscriptionChangeEvent = await promise;

  assert_equals(pushSubscriptionChangeEvent.data.type, "pushsubscriptionchange");

  assert_equals(pushSubscriptionChangeEvent.data.constructor, "PushSubscriptionChangeEvent");

  assert_object_equals(pushSubscriptionChangeEvent.data.oldSubscription, subscription.toJSON());

  assert_equals(pushSubscriptionChangeEvent.data.newSubscription, undefined);

}, "Fire pushsubscriptionchange event when UAID changes");