Version 1.5.0-dev.4.14

dart/pkg/polymer/test/custom_event_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.custom_event_test;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:polymer/polymer.dart';
-import 'package:template_binding/template_binding.dart' show nodeBind;
+import 'package:template_binding/template_binding.dart'
+    show nodeBind, enableBindingsReflection;
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 
 
 @CustomTag('foo-bar')
 class FooBar extends PolymerElement {
   // A little too much boilerplate?
   static const EventStreamProvider<CustomEvent> fooEvent =
       const EventStreamProvider<CustomEvent>('foo');
   static const EventStreamProvider<CustomEvent> barBazEvent =
       const EventStreamProvider<CustomEvent>('barbaz');
 
   FooBar.created() : super.created();
 
   Stream<CustomEvent> get onFooEvent =>
       FooBar.fooEvent.forTarget(this);
   Stream<CustomEvent> get onBarBazEvent =>
       FooBar.barBazEvent.forTarget(this);
 
   fireFoo(x) => dispatchEvent(new CustomEvent('foo', detail: x));
   fireBarBaz(x) => dispatchEvent(new CustomEvent('barbaz', detail: x));
 }
 
 @CustomTag('test-custom-event')
 class TestCustomEvent extends PolymerElement {
   TestCustomEvent.created() : super.created();
 
-  get fooBar => getShadowRoot('test-custom-event').querySelector('foo-bar');
+  get fooBar => shadowRoots['test-custom-event'].querySelector('foo-bar');
 
   final events = [];
   fooHandler(e) => events.add(['foo', e]);
   barBazHandler(e) => events.add(['barbaz', e]);
 }
 
-main() => initPolymer().run(() {
-  useHtmlConfiguration();
+main() {
+  enableBindingsReflection = true;
 
-  setUp(() => Polymer.onReady);
+  initPolymer().run(() {
+    useHtmlConfiguration();
 
-  test('custom event', () {
-    final testComp = querySelector('test-custom-event');
-    final fooBar = testComp.fooBar;
+    setUp(() => Polymer.onReady);
 
-    final binding = nodeBind(fooBar).bindings['on-barbaz'];
-    expect(binding is Bindable, true,
-        reason: 'on-barbaz event should be bound');
+    test('custom event', () {
+      final testComp = querySelector('test-custom-event');
+      final fooBar = testComp.fooBar;
 
-    expect(binding.value, null, reason: 'event bindings do not have value');
+      final binding = nodeBind(fooBar).bindings['on-barbaz'];
+      expect(binding is Bindable, true,
+          reason: 'on-barbaz event should be bound');
 
-    fooBar.fireFoo(123);
-    fooBar.fireBarBaz(42);
-    fooBar.fireFoo(777);
+      expect(binding.value, '{{ barBazHandler }}',
+          reason: 'event bindings use the string as value');
 
-    final events = testComp.events;
-    expect(events.length, 3);
-    expect(events.map((e) => e[0]), ['foo', 'barbaz', 'foo']);
-    expect(events.map((e) => e[1].detail), [123, 42, 777]);
+      fooBar.fireFoo(123);
+      fooBar.fireBarBaz(42);
+      fooBar.fireFoo(777);
+
+      final events = testComp.events;
+      expect(events.length, 3);
+      expect(events.map((e) => e[0]), ['foo', 'barbaz', 'foo']);
+      expect(events.map((e) => e[1].detail), [123, 42, 777]);
+    });
   });
-});
+}