Roll Observatory packages and add a roll script

packages/polymer/test/events_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.
+
+library polymer.test.web.events_test;
+
+import 'dart:html';
+import 'package:polymer/polymer.dart';
+import 'package:unittest/html_config.dart';
+import 'package:unittest/unittest.dart';
+
+@CustomTag("test-b")
+class TestB extends PolymerElement {
+  TestB.created() : super.created();
+
+  List clicks = [];
+  void clickHandler(event, detail, target) {
+    clicks.add('local click under $localName (id $id) on ${target.id}');
+  }
+}
+
+@CustomTag("test-a")
+class TestA extends PolymerElement {
+  TestA.created() : super.created();
+
+  List clicks = [];
+  void clickHandler() {
+    clicks.add('host click on: $localName (id $id)');
+  }
+}
+
+@reflectable
+class TestBase extends PolymerElement {
+  TestBase.created() : super.created();
+
+  List clicks = [];
+  void clickHandler(e) {
+    clicks.add('local click under $localName (id $id) on ${e.target.id}');
+  }
+}
+
+@CustomTag("test-c")
+class TestC extends TestBase {
+  TestC.created() : super.created();
+}
+
+main() => initPolymer().then((zone) => zone.run(() {
+  useHtmlConfiguration();
+
+  setUp(() => Polymer.onReady);
+
+  test('host event', () {
+    // Note: this test is currently the only event in
+    // polymer/test/js/events.js at commit #7936ff8
+    var testA = querySelector('#a');
+    expect(testA.clicks, isEmpty);
+    testA.click();
+    expect(testA.clicks, ['host click on: test-a (id a)']);
+  });
+
+  test('local event', () {
+    var testB = querySelector('#b');
+    expect(testB.clicks, isEmpty);
+    testB.click();
+    expect(testB.clicks, []);
+    var b1 = testB.shadowRoot.querySelector('#b-1');
+    b1.click();
+    expect(testB.clicks, []);
+    var b2 = testB.shadowRoot.querySelector('#b-2');
+    b2.click();
+    expect(testB.clicks, ['local click under test-b (id b) on b-2']);
+  });
+
+  test('event on superclass', () {
+    var testC = querySelector('#c');
+    expect(testC.clicks, isEmpty);
+    testC.click();
+    expect(testC.clicks, []);
+    var c1 = testC.shadowRoot.querySelector('#c-1');
+    c1.click();
+    expect(testC.clicks, []);
+    var c2 = testC.shadowRoot.querySelector('#c-2');
+    c2.click();
+    expect(testC.clicks, ['local click under test-c (id c) on c-2']);
+  });
+}));