src/third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/test-helpers.js

   1 // Adapter for testharness.js-style tests with Service Workers
   2
   3 function service_worker_test(url, description) {
   4     var t = async_test(description);
   5     t.step(function() {
   6         var scope = 'nonexistent';
   7         service_worker_unregister_and_register(t, url, scope, onRegistered);
   8
   9         function onRegistered(worker) {
  10             var messageChannel = new MessageChannel();
  11             messageChannel.port1.onmessage = t.step_func(onMessage);
  12             worker.postMessage({port:messageChannel.port2}, [messageChannel.port2]);
  13         }
  14
  15         function onMessage(e) {
  16             assert_equals(e.data, 'pass');
  17             service_worker_unregister_and_done(t, scope);
  18         }
  19     });
  20 }
  21
  22 function service_worker_unregister_and_register(test, url, scope, onregister) {
  23     var options = scope ? { scope: scope } : {};
  24     return navigator.serviceWorker.unregister(scope).then(
  25         // FIXME: Wrap this with test.step_func once testharness.js is updated.
  26         function() {
  27             return navigator.serviceWorker.register(url, options);
  28         },
  29         unreached_rejection(test, 'Unregister should not fail')
  30     ).then(
  31         test.step_func(onregister),
  32         unreached_rejection(test, 'Registration should not fail')
  33     );
  34 }
  35
  36 function service_worker_unregister_and_done(test, scope) {
  37     return navigator.serviceWorker.unregister(scope).then(
  38         test.done.bind(test),
  39         unreached_rejection(test, 'Unregister should not fail'));
  40 }
  41
  42 // Rejection-specific helper that provides more details
  43 function unreached_rejection(test, prefix) {
  44     return test.step_func(function(reason) {
  45         assert_unreached(prefix + ': ' + reason.name);
  46     });
  47 }
  48
  49 // FIXME: Clean up the iframe when the test completes.
  50 function with_iframe(url, f) {
  51     return new Promise(function(resolve, reject) {
  52         var frame = document.createElement('iframe');
  53         frame.src = url;
  54         frame.onload = function() {
  55             if (f) {
  56               f(frame);
  57             }
  58             resolve(frame);
  59         };
  60         document.body.appendChild(frame);
  61     });
  62 }
  63
  64 function normalizeURL(url) {
  65   return new URL(url, document.location).toString().replace(/#.*$/, '');
  66 }