Roll Observatory packages and add a roll script

packages/polymer/test/bind_properties_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 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:polymer/polymer.dart';
+
+export 'package:polymer/init.dart';
+
+class XBaz extends PolymerElement {
+  @published
+  int get val => readValue(#val);
+  set val(v) => writeValue(#val, v);
+
+  XBaz.created() : super.created();
+}
+
+class XBar extends PolymerElement {
+  @published
+  int get val => readValue(#val);
+  set val(v) => writeValue(#val, v);
+
+  XBar.created() : super.created();
+}
+
+class XBat extends PolymerElement {
+  @published
+  int get val => readValue(#val);
+  set val(v) => writeValue(#val, v);
+
+  XBat.created() : super.created();
+}
+
+class XFoo extends PolymerElement {
+  @published
+  int get val => readValue(#val);
+  set val(v) => writeValue(#val, v);
+
+  XFoo.created() : super.created();
+}
+
+@CustomTag('bind-properties-test')
+class XTest extends PolymerElement {
+  XTest.created() : super.created();
+
+  @published var obj;
+
+  ready() {
+    obj = toObservable({'path': {'to': {'value': 3}}});
+    readyCalled();
+  }
+}
+
+var completer = new Completer();
+waitForElementReady(_) => completer.future;
+readyCalled() {
+  completer.complete(null);
+}
+
+@initMethod
+init() {
+  // TODO(sigmund): investigate why are we still seeing failures due to the
+  // order of registrations, then use @CustomTag instead of this.
+  Polymer.register('x-foo', XFoo);
+  Polymer.register('x-bar', XBar);
+  Polymer.register('x-baz', XBaz);
+  Polymer.register('x-bat', XBat);
+
+  useHtmlConfiguration();
+
+  setUp(() => Polymer.onReady.then(waitForElementReady));
+
+  test('bind properties test', () {
+    var e = document.querySelector('bind-properties-test');
+    var foo = e.shadowRoot.querySelector('#foo');
+    var bar = foo.shadowRoot.querySelector('#bar');
+    var bat = foo.shadowRoot.querySelector('#bat');
+    var baz = bar.shadowRoot.querySelector('#baz');
+
+    expect(foo.val, 3);
+    expect(bar.val, 3);
+    expect(bat.val, 3);
+    expect(baz.val, 3);
+
+    foo.val = 4;
+
+    expect(foo.val, 4);
+    expect(bar.val, 4);
+    expect(bat.val, 4);
+    expect(baz.val, 4);
+
+    baz.val = 5;
+
+    expect(foo.val, 5);
+    expect(bar.val, 5);
+    expect(bat.val, 5);
+    expect(baz.val, 5);
+
+    e.obj['path']['to']['value'] = 6;
+
+    expect(foo.val, 6);
+    expect(bar.val, 6);
+    expect(bat.val, 6);
+    expect(baz.val, 6);
+  });
+}