big update to observe, template_binding, polymer

pkg/template_binding/test/utils.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.utils;
 
+import 'dart:async';
 import 'dart:html';
 import 'package:observe/observe.dart';
 import 'package:template_binding/template_binding.dart';
-import 'package:unittest/unittest.dart';
+export 'package:observe/src/dirty_check.dart' show dirtyCheckZone;
 
-import 'package:observe/src/microtask.dart';
-export 'package:observe/src/microtask.dart';
+/// A small method to help readability. Used to cause the next "then" in a chain
+/// to happen in the next microtask:
+///
+///     future.then(newMicrotask).then(...)
+endOfMicrotask(_) => new Future.value();
+
+/// A small method to help readability. Used to cause the next "then" in a chain
+/// to happen in the next microtask, after a timer:
+///
+///     future.then(nextMicrotask).then(...)
+nextMicrotask(_) => new Future(() {});
 
 final bool parserHasNativeTemplate = () {
   var div = new DivElement()..innerHtml = '<table><template>';
   return div.firstChild.firstChild != null &&
       div.firstChild.firstChild.tagName == 'TEMPLATE';
 }();
 
 recursivelySetTemplateModel(element, model, [delegate]) {
   for (var node in element.queryAll('*')) {
     if (isSemanticTemplate(node)) {
@@ skipping 26 matching lines @@
   set foo(value) {
     _foo = notifyPropertyChange(#foo, _foo, value);
   }
 
   get bar => _bar;
   set bar(value) {
     _bar = notifyPropertyChange(#bar, _bar, value);
   }
 }
 
-observeTest(name, testCase) => test(name, wrapMicrotask(testCase));
-
-solo_observeTest(name, testCase) => solo_test(name, wrapMicrotask(testCase));
-
 DivElement testDiv;
 
 createTestHtml(s) {
   var div = new DivElement();
   div.setInnerHtml(s, treeSanitizer: new NullTreeSanitizer());
   testDiv.append(div);
 
-  for (var node in div.queryAll('*')) {
+  for (var node in div.querySelectorAll('*')) {
     if (isSemanticTemplate(node)) TemplateBindExtension.decorate(node);
   }
 
   return div;
 }
 
 createShadowTestHtml(s) {
   var div = new DivElement();
   var root = div.createShadowRoot();
   root.setInnerHtml(s, treeSanitizer: new NullTreeSanitizer());
@@ skipping 12 matching lines @@
 class NullTreeSanitizer implements NodeTreeSanitizer {
   void sanitizeTree(Node node) {}
 }
 
 unbindAll(node) {
   nodeBind(node).unbindAll();
   for (var child = node.firstChild; child != null; child = child.nextNode) {
     unbindAll(child);
   }
 }