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| 1 // Copyright (c) 2013, 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 custom_element.test.custom_element_test; |
| 6 |
| 7 import 'dart:async'; |
| 8 import 'dart:html'; |
| 9 import 'package:custom_element/custom_element.dart'; |
| 10 import 'package:unittest/html_config.dart'; |
| 11 import 'package:unittest/unittest.dart'; |
| 12 |
| 13 main() { |
| 14 useHtmlConfiguration(); |
| 15 |
| 16 test('register creates the element and calls lifecycle methods', () { |
| 17 // Add element to the page. |
| 18 var element = new Element.html('<fancy-button>foo bar</fancy-button>'); |
| 19 document.body.nodes.add(element); |
| 20 |
| 21 var xtag = null; |
| 22 registerCustomElement('fancy-button', () => xtag = new FancyButton()); |
| 23 expect(xtag, isNotNull, reason: 'FancyButton was created'); |
| 24 expect(element.xtag, xtag, reason: 'xtag pointer should be set'); |
| 25 expect(xtag.host, element, reason: 'host pointer should be set'); |
| 26 expect(xtag.lifecycle, ['created']); |
| 27 return new Future(() { |
| 28 expect(xtag.lifecycle, ['created', 'inserted']); |
| 29 element.remove(); |
| 30 return new Future(() { |
| 31 expect(xtag.lifecycle, ['created', 'inserted', 'removed']); |
| 32 }); |
| 33 }); |
| 34 }); |
| 35 |
| 36 test('create a component in code', () { |
| 37 var element = createElement('super-button'); |
| 38 expect(element.xtag, element, reason: 'element not registered'); |
| 39 |
| 40 var xtag = null; |
| 41 registerCustomElement('super-button', () => xtag = new FancyButton()); |
| 42 |
| 43 element = createElement('super-button'); |
| 44 expect(xtag, isNotNull, reason: 'FancyButton was created'); |
| 45 expect(element.xtag, xtag, reason: 'xtag pointer should be set'); |
| 46 expect(xtag.host, element, reason: 'host pointer should be set'); |
| 47 expect(xtag.lifecycle, ['created']); |
| 48 return new Future(() { |
| 49 expect(xtag.lifecycle, ['created'], reason: 'not inserted into document'); |
| 50 |
| 51 document.body.nodes.add(element); |
| 52 return new Future(() { |
| 53 expect(xtag.lifecycle, ['created'], |
| 54 reason: 'mutation observer not implemented yet'); |
| 55 |
| 56 element.remove(); |
| 57 return new Future(() { |
| 58 expect(xtag.lifecycle, ['created'], |
| 59 reason: 'mutation observer not implemented yet'); |
| 60 }); |
| 61 }); |
| 62 }); |
| 63 }); |
| 64 } |
| 65 |
| 66 class FancyButton extends CustomElement { |
| 67 final lifecycle = []; |
| 68 created() { |
| 69 super.created(); |
| 70 lifecycle.add('created'); |
| 71 } |
| 72 inserted() { |
| 73 super.inserted(); |
| 74 lifecycle.add('inserted'); |
| 75 } |
| 76 removed() { |
| 77 super.removed(); |
| 78 lifecycle.add('removed'); |
| 79 } |
| 80 } |
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