third_party/WebKit/LayoutTests/http/tests/notifications/request-permission-promise.html

   1 <!doctype html>
   2 <html>
   3   <head>
   4     <title>Notifications: Requesting permission using the Promise return value.</title>
   5     <script src="../resources/testharness.js"></script>
   6     <script src="../resources/testharnessreport.js"></script>
   7     <script src="../resources/permissions-helper.js"></script>
   8   </head>
   9   <body>
  10     <script>
  11       // Tests that Notification.requestPermission() returns a promise that will be
  12       // resolved with the current permission level. This test cannot be ran manually
  13       // because of the permission shifting going on.
  14       promise_test(test => {
  15         // Default value in layout tests is "denied".
  16         return Notification.requestPermission().then(permission => {
  17           assert_equals(permission, 'denied');
  18
  19           return PermissionsHelper.setPermission('notifications', 'granted');
  20         }).then(function() {
  21           return Notification.requestPermission();
  22         }).then(permission => {
  23           assert_equals(permission, 'granted');
  24         });
  25
  26       }, 'Requesting permission returns a promise that will be resolved.');
  27
  28       // Tests that Notification.requestPermission() still invokes the callback (before
  29       // resolving the promise) and that the values are equal. Like the previous test,
  30       // this cannot be ran manually.
  31       promise_test(test => {
  32         var callbackPermission = 'undefined';
  33
  34         function permissionCallback(value) {
  35           callbackPermission = value;
  36         }
  37
  38         return PermissionsHelper.setPermission('notifications', 'denied').then(function() {
  39           return Notification.requestPermission(permissionCallback).then(permission => {
  40             assert_equals(permission, 'denied');
  41             assert_equals(permission, callbackPermission);
  42
  43             return PermissionsHelper.setPermission('notifications', 'granted');
  44           }).then(function() {
  45             return Notification.requestPermission(permissionCallback);
  46           }).then(permission => {
  47             assert_equals(permission, 'granted');
  48             assert_equals(permission, callbackPermission);
  49           });
  50         })
  51       }, 'Requesting permission returns a promise, maintains the callback behaviour.');
  52     </script>
  53   </body>
  54 </html>