Delete polymer from the Dart repo

pkg/polymer/test/js_interop_test.dart

-// Copyright (c) 2014, 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.js_interop_test;
-
-import 'dart:async';
-import 'dart:html';
-import 'dart:js';
-import 'package:polymer/polymer.dart';
-import 'package:unittest/html_config.dart';
-import 'package:unittest/unittest.dart';
-
-@CustomTag('dart-element')
-class DartElement extends PolymerElement {
-  DartElement.created() : super.created();
-}
-
-@CustomTag('dart-element2')
-class DartElement2 extends PolymerElement {
-  Element get quux => this.querySelector('.quux');
-  DartElement2.created() : super.created();
-}
-
-@CustomTag('dart-element3')
-class DartElement3 extends PolymerElement {
-  @observable var quux;
-  DartElement3.created() : super.created();
-
-  domReady() {
-    quux = new JsObject.jsify({
-      'aDartMethod': (x) => 444 + x
-    });
-  }
-}
-
-@CustomTag('dart-two-way')
-class DartTwoWay extends PolymerElement {
-  @observable var twoWay = 40;
-  DartTwoWay.created() : super.created();
-}
-
-main() => initPolymer().run(() {
-  useHtmlConfiguration();
-
-  setUp(() => Polymer.onReady);
-
-  test('dart-element upgraded', () {
-    expect(querySelector('dart-element') is DartElement, true,
-        reason: 'dart-element upgraded');
-  });
-
-  test('js-element in body', () => testInterop(
-      querySelector('js-element')));
-
-  test('js-element in dart-element', () => testInterop(
-      querySelector('dart-element').shadowRoot.querySelector('js-element')));
-
-  test('elements can be passed through Node.bind to JS', () {
-    var text = querySelector('dart-element2')
-    .shadowRoot.querySelector('js-element2')
-    .shadowRoot.text;
-    expect(text, 'QUX:123');
-  });
-
-  test('objects with functions can be passed through Node.bind to JS', () {
-    var sr = querySelector('dart-element3')
-      .shadowRoot.querySelector('js-element3')
-      .shadowRoot;
-
-    return new Future(() {
-      expect(sr.text, 'js-element3[qux]:765');
-    });
-  });
-
-  test('two way bindings work', () {
-    var dartElem = querySelector('dart-two-way');
-    var jsElem = dartElem.shadowRoot.querySelector('js-two-way');
-    var interop = new JsObject.fromBrowserObject(jsElem);
-
-    return new Future(() {
-      expect(jsElem.shadowRoot.text, 'FOOBAR:40');
-
-      expect(dartElem.twoWay, 40);
-      expect(interop['foobar'], 40);
-
-      interop.callMethod('aJsMethod', [2]);
-
-      // Because Polymer.js two-way bindings are just a getter/setter pair
-      // pointing at the original, we will see the new value immediately.
-      expect(dartElem.twoWay, 42);
-
-      expect(interop['foobar'], 42);
-
-      // Text will update asynchronously
-      expect(jsElem.shadowRoot.text, 'FOOBAR:40');
-
-      return _onTextChanged(jsElem.shadowRoot).then((_) {
-        expect(jsElem.shadowRoot.text, 'FOOBAR:42');
-      });
-    });     
-  });
-});
-
-Future<List<MutationRecord>> _onTextChanged(Node node) {
-  var completer = new Completer();
-  new MutationObserver((mutations, observer) {
-    observer.disconnect();
-    completer.complete(mutations);
-  })..observe(node, characterData: true, subtree: true);
-  return completer.future;
-}
-
-testInterop(jsElem) {
-  expect(jsElem.shadowRoot.text, 'FOOBAR');
-  var interop = new JsObject.fromBrowserObject(jsElem);
-  expect(interop['baz'], 42, reason: 'can read JS custom element properties');
-
-  jsElem.attributes['baz'] = '123';
-  return flush().then((_) {
-    expect(interop['baz'], 123, reason: 'attribute reflected to property');
-    expect(jsElem.shadowRoot.text, 'FOOBAR', reason: 'text unchanged');
-
-    interop['baz'] = 777;
-    return flush();
-  }).then((_) {
-    expect(jsElem.attributes['baz'], '777',
-        reason: 'property reflected to attribute');
-
-    expect(jsElem.shadowRoot.text, 'FOOBAR', reason: 'text unchanged');
-
-    interop.callMethod('aJsMethod', [123]);
-    return flush();
-  }).then((_) {
-    expect(jsElem.shadowRoot.text, '900', reason: 'text set by JS method');
-    expect(interop['baz'], 777, reason: 'unchanged');
-  });
-}
-
-/// Calls Polymer.flush() to flush Polymer.js pending operations, e.g.
-/// dirty checking for data-bindings.
-Future flush() {
-  var Polymer = context['Polymer'];
-  Polymer.callMethod('flush');
-
-  var completer = new Completer();
-  Polymer.callMethod('endOfMicrotask', [() => completer.complete()]);
-  return completer.future;
-}