ahe@google.com
36e2df1a1d
R=johnniwinther@google.com Review URL: https://codereview.chromium.org//23455028 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@29551 260f80e4-7a28-3924-810f-c04153c831b5
116 lines
3.4 KiB
Dart
116 lines
3.4 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library polymer.test.unbind_test;
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import 'dart:async' show Future, scheduleMicrotask;
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import 'dart:html';
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@MirrorsUsed(targets: const [Polymer], override: 'polymer.test.unbind_test')
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import 'dart:mirrors' show reflect, reflectClass, MirrorSystem, MirrorsUsed;
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import 'package:polymer/polymer.dart';
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import 'package:unittest/unittest.dart';
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import 'package:unittest/html_config.dart';
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@CustomTag('x-test')
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class XTest extends PolymerElement {
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@observable var foo = '';
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@observable var bar;
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bool forceReady = true;
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bool fooWasChanged = false;
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var validBar;
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factory XTest() => new Element.tag('x-test');
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XTest.created() : super.created();
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ready() {}
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fooChanged() {
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fooWasChanged = true;
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}
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barChanged() {
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validBar = bar;
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}
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bool get isBarValid => validBar == bar;
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}
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main() {
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initPolymer();
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useHtmlConfiguration();
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setUp(() => Polymer.onReady);
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test('unbind', unbindTests);
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}
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Future testAsync(List<Function> tests, int delayMs, [List args]) {
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if (tests.length == 0) return new Future.value();
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// TODO(jmesserly): CustomElements.takeRecords();
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return new Future.delayed(new Duration(milliseconds: delayMs), () {
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if (args == null) args = [];
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var lastArgs = Function.apply(tests.removeAt(0), args);
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return testAsync(tests, delayMs, lastArgs);
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});
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}
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// TODO(sorvell): In IE, the unbind time is indeterminate, so wait an
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// extra beat.
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delay(x) => new Future.delayed(new Duration(milliseconds: 50), () => x);
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// TODO(jmesserly): fix this when it's easier to get a private symbol.
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final unboundSymbol = reflectClass(Polymer).declarations.keys
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.firstWhere((s) => MirrorSystem.getName(s) == '_unbound');
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_unbound(node) => reflect(node).getField(unboundSymbol).reflectee;
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unbindTests() {
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var xTest = document.query('x-test');
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xTest.foo = 'bar';
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scheduleMicrotask(Observable.dirtyCheck);
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return delay(null).then((_) {
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expect(_unbound(xTest), null, reason:
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'element is bound when inserted');
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expect(xTest.fooWasChanged, true, reason:
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'element is actually bound');
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xTest.remove();
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}).then(delay).then((_) {
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expect(_unbound(xTest), true, reason:
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'element is unbound when removed');
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return new XTest();
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}).then(delay).then((node) {
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expect(_unbound(node), null, reason:
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'element is bound when not inserted');
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node.foo = 'bar';
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scheduleMicrotask(Observable.dirtyCheck);
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return node;
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}).then(delay).then((node) {
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expect(node.fooWasChanged, true, reason: 'node is actually bound');
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var n = new XTest();
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n.cancelUnbindAll();
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return n;
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}).then(delay).then((node) {
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expect(_unbound(node), null, reason:
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'element is bound when cancelUnbindAll is called');
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node.unbindAll();
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expect(_unbound(node), true, reason:
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'element is unbound when unbindAll is called');
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var n = new XTest()..id = 'foobar!!!';
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document.body.append(n);
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return n;
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}).then(delay).then((node) {
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expect(_unbound(node), null, reason:
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'element is bound when manually inserted');
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node.remove();
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return node;
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}).then(delay).then((node) {
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expect(_unbound(node), true, reason:
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'element is unbound when manually removed is called');
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});
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}
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