port TemplateBinding to ed3266266e751b5ab1f75f8e0509d0d5f0ef35d8

pkg/template_binding/test/node_bind_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 template_binding.test.node_bindings_test;
+library template_binding.test.node_bind_test;
 
 import 'dart:html';
 
-@MirrorsUsed(targets: const [NodeBinding], override:
-    'template_binding.test.node_bindings_test')
-import 'dart:mirrors';
+import 'package:observe/observe.dart' show toObservable, PathObserver;
+import 'package:template_binding/template_binding.dart' show nodeBind;
+import 'package:template_binding/src/node_binding.dart' show getObserverForTest;
 
-import 'package:observe/observe.dart' show toObservable, PathObserver;
-import 'package:template_binding/template_binding.dart'
-  show nodeBind, NodeBinding;
 import 'package:unittest/html_config.dart';
 import 'package:unittest/unittest.dart';
 import 'utils.dart';
 
 // Note: this file ported from
 // https://github.com/toolkitchen/mdv/blob/master/tests/node_bindings.js
 
 main() {
   useHtmlConfiguration();
 
@@ skipping 39 matching lines @@
   });
 
   observeTest('Path unreachable', () {
     var text = testDiv.append(new Text('hi'));
     var model = 1;
     nodeBind(text).bind('text', model, 'a');
     expect(text.text, '');
   });
 
   observeTest('Observer is Model', () {
-    _observer(x) => reflect(x).getField(
-        privateSymbol(NodeBinding, '_observer')).reflectee;
-
     var text = new Text('');
     var model = toObservable({'a': {'b': {'c': 1}}});
     var observer = new PathObserver(model, 'a.b.c');
     nodeBind(text).bind('text', observer, 'value');
     expect(text.text, '1');
 
     var binding = nodeBind(text).bindings['text'];
     expect(binding, isNotNull);
-    expect(privateField(binding, '_observer'), observer,
+    expect(getObserverForTest(binding), observer,
         reason: 'should reuse observer');
 
     model['a']['b']['c'] = 2;
     performMicrotaskCheckpoint();
     expect(text.text, '2');
     nodeBind(text).unbind('text');
   });
 }
 
 elementBindings() {
@@ skipping 550 matching lines @@
     model['opt2'] = 'X';
     performMicrotaskCheckpoint();
     expect(select.value, 'X');
     expect(model['selected'], 'X');
 
     model['selected'] = 'a';
     performMicrotaskCheckpoint();
     expect(select.value, 'a');
   });
 }
-
-privateField(x, name) => reflect(x).getField(
-    privateSymbol(reflect(x).type, name)).reflectee;
-
-// TODO(jmesserly): fix this when it's easier to get a private symbol.
-privateSymbol(TypeMirror type, String name) {
-  while (type != null) {
-    var symbol = type.variables.keys.firstWhere(
-        (s) => MirrorSystem.getName(s) == name, orElse: () => null);
-    if (symbol != null) return symbol;
-    type = type.superclass;
-  }
-  return null;
-}