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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 library register_element_proxy_test; |
| 6 |
| 7 import 'dart:async'; |
| 8 import 'dart:html'; |
| 9 import 'dart:js' as js; |
| 10 import 'package:unittest/html_config.dart'; |
| 11 import 'package:unittest/unittest.dart'; |
| 12 import '../utils.dart'; |
| 13 |
| 14 class FooElement extends HtmlElement { |
| 15 static final tag = 'x-foo'; |
| 16 |
| 17 final int initializedField = 666; |
| 18 js.JsObject _proxy; |
| 19 |
| 20 factory FooElement() => new Element.tag(tag); |
| 21 FooElement.created() : super.created() { |
| 22 _proxy = new js.JsObject.fromBrowserObject(this); |
| 23 } |
| 24 |
| 25 String doSomething() => _proxy.callMethod('doSomething'); |
| 26 |
| 27 bool get fooCreated => _proxy['fooCreated']; |
| 28 } |
| 29 |
| 30 main() { |
| 31 useHtmlConfiguration(); |
| 32 |
| 33 var registered = false; |
| 34 var upgrader; |
| 35 setUp(() => customElementsReady.then((_) { |
| 36 if (!registered) { |
| 37 registered = true; |
| 38 upgrader = document.createElementUpgrader(FooElement); |
| 39 js.context['upgradeListener'] = (e) { |
| 40 upgrader.upgrade(e); |
| 41 }; |
| 42 |
| 43 document.registerElement('custom-element', CustomElement); |
| 44 } |
| 45 })); |
| 46 |
| 47 test('created gets proxied', () { |
| 48 var element = document.createElement(FooElement.tag); |
| 49 expect(element is FooElement, isTrue); |
| 50 expect(element.initializedField, 666); |
| 51 expect(element.text, 'constructed'); |
| 52 |
| 53 js.context.callMethod('validateIsFoo', [element]); |
| 54 |
| 55 expect(element.doSomething(), 'didSomething'); |
| 56 expect(element.fooCreated, true); |
| 57 }); |
| 58 |
| 59 test('dart constructor works', () { |
| 60 var element = new FooElement(); |
| 61 expect(element is FooElement, isTrue); |
| 62 expect(element.text, 'constructed'); |
| 63 |
| 64 js.context.callMethod('validateIsFoo', [element]); |
| 65 |
| 66 expect(element.doSomething(), 'didSomething'); |
| 67 }); |
| 68 |
| 69 test('cannot create upgrader for interfaces', () { |
| 70 expect(() { |
| 71 document.createElementUpgrader(HtmlElementInterface); |
| 72 }, throws); |
| 73 }); |
| 74 |
| 75 test('cannot upgrade interfaces', () { |
| 76 expect(() { |
| 77 upgrader.upgrade(new HtmlElementInterface()); |
| 78 }, throws); |
| 79 }); |
| 80 |
| 81 test('cannot upgrade more than once', () { |
| 82 var fooElement = new FooElement(); |
| 83 expect(() { |
| 84 upgrader.upgrade(fooElement); |
| 85 }, throws); |
| 86 }); |
| 87 |
| 88 test('cannot upgrade non-matching elements', () { |
| 89 expect(() { |
| 90 upgrader.upgrade(new DivElement()); |
| 91 }, throws); |
| 92 }); |
| 93 |
| 94 test('cannot upgrade custom elements', () { |
| 95 var custom = new CustomElement(); |
| 96 expect(() { |
| 97 upgrader.upgrade(custom); |
| 98 }, throws); |
| 99 }); |
| 100 |
| 101 test('can upgrade with extendsTag', () { |
| 102 var upgrader = |
| 103 document.createElementUpgrader(CustomDiv, extendsTag: 'div'); |
| 104 var div = new DivElement(); |
| 105 var customDiv = upgrader.upgrade(div); |
| 106 expect(customDiv is CustomDiv, isTrue); |
| 107 |
| 108 var htmlElement = document.createElement('not-registered'); |
| 109 expect(() { |
| 110 upgrader.upgrade(htmlElement); |
| 111 }, throws); |
| 112 }); |
| 113 |
| 114 test('cannot create upgrader for built-in types', () { |
| 115 expect(() { |
| 116 document.createElementUpgrader(HtmlElement); |
| 117 }, throws); |
| 118 }); |
| 119 } |
| 120 |
| 121 class HtmlElementInterface implements HtmlElement { |
| 122 HtmlElementInterface.created(); |
| 123 } |
| 124 |
| 125 class CustomDiv extends DivElement { |
| 126 CustomDiv.created() : super.created(); |
| 127 } |
| 128 |
| 129 class CustomElement extends HtmlElement { |
| 130 factory CustomElement() => document.createElement('custom-element'); |
| 131 CustomElement.created() : super.created(); |
| 132 } |
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