third_party/WebKit/LayoutTests/http/tests/serviceworker/postmessage-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 from ServiceWorker to Client');
   8 t.step(function() {
   9     var scope = 'resources/blank.html'
  10     service_worker_unregister_and_register(
  11         t, 'resources/postmessage-to-client-worker.js', scope)
  12       .then(function(registration) {
  13           return wait_for_state(t, registration.installing, 'activated');
  14         })
  15       .then(function() { return with_iframe(scope); })
  16       .then(function(frame) {
  17           var w = frame.contentWindow;
  18           w.navigator.serviceWorker.onmessage = t.step_func(onMessage);
  19           w.navigator.serviceWorker.controller.postMessage('ping');
  20         })
  21       .catch(unreached_rejection(t));
  22
  23     var result = [];
  24     var expected = ['Sending message via clients'];
  25
  26     function onMessage(e) {
  27       var message = e.data;
  28       assert_equals(e.origin, location.origin,
  29         'origin of message should be origin of Service Worker');
  30       assert_equals(e.lastEventId, '',
  31         'lastEventId should be an empty string');
  32       if (message === 'quit') {
  33         assert_array_equals(result, expected,
  34                             'Worker should post back expected messages.');
  35         service_worker_unregister_and_done(t, scope);
  36       } else {
  37         result.push(message);
  38       }
  39     }
  40   });
  41 </script>