Index: pkg/polymer/test/unbind_test.dart |
diff --git a/pkg/polymer/test/unbind_test.dart b/pkg/polymer/test/unbind_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4a3f9e1c0058155dd1ef6cca5a0a63e38f7b6641 |
--- /dev/null |
+++ b/pkg/polymer/test/unbind_test.dart |
@@ -0,0 +1,117 @@ |
+// 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. |
+ |
+import 'dart:async' show Future; |
+import 'dart:html'; |
+import 'dart:mirrors' show reflect, reflectClass, MirrorSystem; |
+import 'package:custom_element/custom_element.dart' show createElement; |
+import 'package:observe/src/microtask.dart' show performMicrotaskCheckpoint; |
+import 'package:polymer/polymer.dart'; |
+import 'package:polymer/platform.dart' as Platform; |
+import 'package:unittest/unittest.dart'; |
+import 'package:unittest/html_config.dart'; |
+ |
+@CustomTag('x-test') |
+class XTest extends PolymerElement { |
+ @observable var foo = ''; |
+ @observable var bar; |
+ |
+ bool forceReady = true; |
+ bool fooWasChanged = false; |
+ var validBar; |
+ |
+ ready() {} |
+ |
+ fooChanged() { |
+ fooWasChanged = true; |
+ } |
+ |
+ barChanged() { |
+ validBar = bar; |
+ } |
+ |
+ bool get isBarValid => validBar == bar; |
+} |
+ |
+main() { |
+ useHtmlConfiguration(); |
+ |
+ test('unbind', unbindTests); |
+} |
+ |
+Future testAsync(List<Function> tests, int delayMs, [List args]) { |
+ if (tests.length == 0) return new Future.value(); |
+ // TODO(jmesserly): CustomElements.takeRecords(); |
+ return new Future.delayed(new Duration(milliseconds: delayMs), () { |
+ if (args == null) args = []; |
+ var lastArgs = Function.apply(tests.removeAt(0), args); |
+ return testAsync(tests, delayMs, lastArgs); |
+ }); |
+} |
+ |
+unbindTests() { |
+ |
+ var xTest = document.query('x-test').xtag; |
+ xTest.foo = 'bar'; |
+ Platform.flush(); |
+ |
+ // TODO(jmesserly): fix this when it's easier to get a private symbol. |
+ final unboundSymbol = reflectClass(PolymerElement).variables.keys |
+ .firstWhere((s) => MirrorSystem.getName(s) == '_unbound'); |
+ |
+ _unbound(node) => reflect(node).getField(unboundSymbol).reflectee; |
+ |
+ return testAsync([ |
+ () { |
+ expect(_unbound(xTest), null, reason: |
+ 'element is bound when inserted'); |
+ expect(xTest.fooWasChanged, true, reason: |
+ 'element is actually bound'); |
+ xTest.remove(); |
+ }, |
Siggi Cherem (dart-lang)
2013/10/04 21:13:46
totally optional, but since every callback takes a
|
+ () { |
+ expect(_unbound(xTest), true, reason: |
+ 'element is unbound when removed'); |
+ return [createElement('x-test').xtag]; |
+ }, |
+ (node) { |
+ expect(_unbound(node), null, reason: |
+ 'element is bound when not inserted'); |
+ node.foo = 'bar'; |
+ Platform.flush(); |
+ return [node]; |
+ }, |
+ (node) { |
+ expect(node.fooWasChanged, true, reason: 'node is actually bound'); |
+ var n = createElement('x-test').xtag; |
+ n.cancelUnbindAll(); |
+ return [n]; |
+ }, |
+ (node) { |
+ expect(_unbound(node), null, reason: |
+ 'element is bound when cancelUnbindAll is called'); |
+ node.unbindAll(); |
+ expect(_unbound(node), true, reason: |
+ 'element is unbound when unbindAll is called'); |
+ var n = createElement('x-test')..id = 'foobar!!!'; |
+ document.body.append(n); |
+ // TODO(jmesserly): this is used to force the CustomElement polyfill to |
+ // recognize the inserted node. |
+ performMicrotaskCheckpoint(); |
+ return [n.xtag]; |
+ }, |
+ (node) { |
+ expect(_unbound(node), null, reason: |
+ 'element is bound when manually inserted'); |
+ node.remove(); |
+ return [node]; |
+ }, |
+ (node) { |
+ expect(_unbound(node), true, reason: |
+ 'element is unbound when manually removed is called'); |
+ } |
+ // TODO(sorvell): In IE, the unbind time is indeterminate, so wait an |
+ // extra beat. |
+ ], 50); |
+} |