update to polymer js 0.5.1

pkg/polymer/test/visibility_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:html';
+import 'dart:js';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:polymer/polymer.dart';
+
+var done = new Completer();
+
+class MyModel {
+  String value;
+  MyModel(this.value);
+}
+
+main() => initPolymer().run(() {
+  useHtmlConfiguration();
+
+  setUp(() => Polymer.onReady);
+
+  test('Polymer.import', () {
+    AutoBindingElement t = querySelector('#myTemplate');
+    var myModel = new MyModel('');
+    t.model = myModel;
+    t.on['template-bound'].listen((_) {
+      // TODO(jakemac): Is this check necessary on the dart side?

[Siggi Cherem (dart-lang), 2014/11/25 17:53:41]

nope, we can remove it :)

+      var hasObjectObserve = context['Observer']['hasObjectObserve'];
+      if (hasObjectObserve != null && hasObjectObserve) {
+        myModel.value = 'test skipped due to Object.observe';
+        done.complete();
+      } else {
+        myModel.value = 'a';
+        var s = document.querySelector('span');
+        var a = document.querySelector('a');
+        document.on['visibilitychange'].listen((_) {

[Siggi Cherem (dart-lang), 2014/11/25 17:53:41]

on['visibilitychange'] => onVisibilityChange

+          print('visiblity change!');
+        });
+        window.on['message'].listen((e) {

[Siggi Cherem (dart-lang), 2014/11/25 17:53:41]

on['message'] => onMessage

+          if (e.data == 'popup-initialized') {
+            print('got popup initialized');
+            myModel.value = 'b';
+            new Future.delayed(new Duration(milliseconds: 300), () {
+              expect(document.hidden, true);
+              expect(s.text, 'a',
+                  reason: 'change did not occur, and shouldn\'t');
+              print('send close');
+              e.source.postMessage('close', window.location.origin);
+            });
+          }
+          if (e.data == 'popup-closed') {
+            new Future.delayed(new Duration(milliseconds: 300), () {

[Siggi Cherem (dart-lang), 2014/11/25 17:53:41]

not sure why we need the 300ms here and above?

+              expect(s.text, 'b', reason: 'change did occur, and should');
+              done.complete();
+            });
+          }
+        });
+      }
+    });
+    return done;

[Siggi Cherem (dart-lang), 2014/11/25 17:53:41]

return done.future;

+  });
+});
+