CustomElementProxy annotation

test/custom_element_proxy_test.dart

+// Copyright (c) 2015, 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 custom_element_proxy_test;
+
+import 'dart:html';
+import 'dart:js';
+import 'package:initialize/initialize.dart' as init;
+import 'package:unittest/html_config.dart';
+import 'package:unittest/unittest.dart';
+import 'package:web_components/custom_element_proxy.dart';
+
+@CustomElementProxy('basic-element')
+class BasicElement extends HtmlElement {
+  BasicElement.created() : super.created();
+
+  factory BasicElement() => document.createElement('basic-element');
+
+  bool get isBasicElement =>
+      new JsObject.fromBrowserObject(this)['isBasicElement'];
+}
+
+@CustomElementProxy('extended-element', extendsTag: 'input')
+class ExtendedElement extends InputElement {
+  ExtendedElement.created() : super.created();
+
+  factory ExtendedElement() =>
+      document.createElement('input', 'extended-element');
+
+  bool get isExtendedElement =>
+      new JsObject.fromBrowserObject(this)['isExtendedElement'];
+}
+
+main() {
+  useHtmlConfiguration();
+  init.run();
+
+  var container = querySelector('#container') as DivElement;
+
+  tearDown(() {
+    container.children.clear();
+  });
+
+  test('basic custom element', () {
+    container.append(new BasicElement());
+    container.appendHtml('<basic-element></basic_element>');
+    var elements = container.querySelectorAll('basic-element');
+    for (var element in elements) {
+      expect(element.runtimeType, BasicElement);
+      expect(element.isBasicElement, isTrue);
+    }
+  });
+
+  test('extends custom element', () {
+    container.append(new ExtendedElement());
+    container.appendHtml('<input is="extended-element" />');
+    var elements = container.querySelectorAll('extended-element');
+    for (var element in elements) {
+      expect(element.runtimeType, ExtendedElement);
+      expect(element.isExtendedElement, isTrue);
+    }
+  });
+}