Cookie Store: Add test for cookiechange subscription list.

Bug: 963042 Change-Id: Ic9fbccdabf8ca49b694b4195e7262d3e80a4be6f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1836662 Commit-Queue: Staphany Park <staphany@chromium.org> Auto-Submit: Staphany Park <staphany@chromium.org> Reviewed-by: Victor Costan <pwnall@chromium.org> Cr-Commit-Position: refs/heads/master@{#702304}

Cookie Store: Add test for cookiechange subscription list.
Bug: 963042 Change-Id: Ic9fbccdabf8ca49b694b4195e7262d3e80a4be6f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1836662 Commit-Queue: Staphany Park <staphany@chromium.org> Auto-Submit: Staphany Park <staphany@chromium.org> Reviewed-by: Victor Costan <pwnall@chromium.org> Cr-Commit-Position: refs/heads/master@{#702304}
428581b3 · Staphany Park · Commit Bot · 61886adc · 428581b3 · 428581b3
Commit 428581b3 authored Oct 03, 2019 by Staphany Park Committed by Commit Bot Oct 03, 2019
2 changed files
--- a/third_party/blink/web_tests/external/wpt/cookie-store/serviceworker_cookieStore_subscriptions_reset.sub.js
+++ b/third_party/blink/web_tests/external/wpt/cookie-store/serviceworker_cookieStore_subscriptions_reset.sub.js
+self.GLOBAL = {
+  isWindow: function() { return false; },
+  isWorker: function() { return true; },
+};
+importScripts("/resources/testharness.js");
+
+self.addEventListener('install', event => {
+  event.waitUntil((async () => {
+    try {
+      await cookieStore.subscribeToChanges([
+        { name: 'cookie-name', matchType: 'equals',
+        url: '/cookie-store/scope/path' }]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
+  })());
+});
+
+self.addEventListener('message', async event => {
+  const subscriptions = await cookieStore.getChangeSubscriptions();
+  event.ports[0].postMessage(subscriptions.length);
+});
\ No newline at end of file
--- a/third_party/blink/web_tests/external/wpt/cookie-store/serviceworker_cookieStore_subscriptions_reset.tentative.https.html
+++ b/third_party/blink/web_tests/external/wpt/cookie-store/serviceworker_cookieStore_subscriptions_reset.tentative.https.html
+<!doctype html>
+<meta charset="utf-8">
+<title>Async Cookies: reset cookie change subscription list</title>
+<link rel="help" href="https://github.com/WICG/cookie-store">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js">
+</script>
+<script src='resources/helpers.js'></script>
+<script>
+const worker_url = 'serviceworker_cookieStore_subscriptions_reset.sub.js';
+const scope = '/cookie-store/';
+
+async function getSubscriptionCount(serviceWorker) {
+  return sendMessageOverChannel('', serviceWorker);
+}
+
+promise_test(async t => {
+  const registration = await service_worker_unregister_and_register(
+      t, worker_url, scope);
+  t.add_cleanup(() => registration.unregister());
+  await wait_for_state(t, registration.installing, 'activated');
+  assert_equals(await getSubscriptionCount(registration.active), 1,
+                'subscription count before unregistration');
+
+  await registration.unregister();
+
+  const new_registration = await navigator.serviceWorker.register(
+      worker_url, { scope });
+  t.add_cleanup(() => new_registration.unregister());
+  await wait_for_state(t, new_registration.installing, 'activated');
+
+  assert_equals(await getSubscriptionCount(new_registration.active), 1,
+                'subscription count after unregistration');
+}, `cookiechange subscription list resets across service worker
+    unregistrations`);
+</script>