src/third_party/WebKit/LayoutTests/http/tests/serviceworker/postmessage-msgport-to-client.html

   1 <!DOCTYPE html>
   2 <title>Service Worker: postMessage to Client</title>
   3 <script src="../resources/testharness.js"></script>
   4 <script src="../resources/testharnessreport.js"></script>
   5 <script src="resources/test-helpers.js"></script>
   6 <script>
   7 var t = async_test('postMessage MessagePorts from ServiceWorker to Client');
   8 t.step(function() {
   9     var scope = 'resources/blank.html'
  10     navigator.serviceWorker.unregister(scope).then(
  11         doRegister,
  12         unreached_rejection(t, 'Unregister should not fail')
  13     );
  14
  15     function doRegister() {
  16         navigator.serviceWorker.register(
  17             'resources/postmessage-msgport-to-client-worker.js', {scope: scope}
  18         ).then(
  19             onRegister,
  20             unreached_rejection(t, 'Registration should succeed, but failed')
  21         );
  22     }
  23
  24     function onRegister(worker) {
  25         worker.addEventListener('statechange', t.step_func(function(event) {
  26             if (event.target.state == 'active')
  27                 onActive();
  28         }));
  29     }
  30
  31     function onActive() {
  32         with_iframe(scope, t.step_func(function(frame) {
  33             var w = frame.contentWindow;
  34             w.onmessage = t.step_func(onMessage);
  35             w.navigator.serviceWorker.current.postMessage('ping');
  36         }));
  37     }
  38
  39     var result = [];
  40     var expected = [
  41         'Acking value: 1',
  42         'Acking value: 2',
  43     ];
  44
  45     function onMessage(e) {
  46         var message = e.data;
  47         if ('port' in message) {
  48             var port = message.port;
  49             port.postMessage({value: 1});
  50             port.postMessage({value: 2});
  51             port.postMessage({done: true});
  52         } else if ('ack' in message) {
  53             result.push(message.ack);
  54         } else if ('done' in message) {
  55             assert_array_equals(result, expected, 'Worker should post back expected values via MessagePort.');
  56             t.done();
  57         } else {
  58             assert_unreached('Got unexpected message from ServiceWorker');
  59         }
  60     }
  61 });
  62 </script>