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Merge pull request #3947 from Polymer/ready-attached-order
Ready/attached ordering
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| <!doctype html> | ||
| <!-- | ||
| @license | ||
| Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | ||
| This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt | ||
| The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | ||
| The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt | ||
| Code distributed by Google as part of the polymer project is also | ||
| subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt | ||
| --> | ||
| <html> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <script src="../../../webcomponentsjs/webcomponents-lite.js"></script> | ||
| <script src="../../../web-component-tester/browser.js"></script> | ||
| <link rel="import" href="../../polymer.html"> | ||
| </head> | ||
| <body> | ||
|
|
||
| <script> | ||
| window.clearTestLists = function() { | ||
| window.actualAttachedList = []; | ||
| window.actualReadyList = []; | ||
| window.actualReadyBeforeAtachedList = []; | ||
| } | ||
|
|
||
| clearTestLists(); | ||
|
|
||
| window.readyBehavior = { | ||
| moniker: function() { | ||
| return this.is + (this.id ? '#' + this.id : ''); | ||
| }, | ||
| ready: function() { | ||
| this._readied = true; | ||
| window.actualReadyList.push(this.moniker()); | ||
| }, | ||
|
|
||
| attached: function() { | ||
| this.attachedTime$Keys = Object.keys(this.$); | ||
| window.actualAttachedList.push(this.moniker()); | ||
| if (!this._readied) { | ||
| window.actualReadyBeforeAtachedList.push(this.moniker()); | ||
| } | ||
| } | ||
| }; | ||
| </script> | ||
|
|
||
| <dom-module id="x-zot"> | ||
| <template> | ||
| x-zot<slot></slot> | ||
| </template> | ||
| <script> | ||
| HTMLImports.whenReady(function() { | ||
| Polymer({ | ||
| is: 'x-zot', | ||
| behaviors: [readyBehavior] | ||
| }); | ||
| }); | ||
| </script> | ||
| </dom-module> | ||
|
|
||
| <dom-module id="x-bar"> | ||
| <template> | ||
| <x-zot></x-zot> | ||
| </template> | ||
| <script> | ||
| HTMLImports.whenReady(function() { | ||
| Polymer({ | ||
| is: 'x-bar', | ||
| behaviors: [readyBehavior] | ||
| }); | ||
| }); | ||
| </script> | ||
| </dom-module> | ||
|
|
||
| <dom-module id="x-foo"> | ||
| <template> | ||
| <x-bar id="bar1"></x-bar> | ||
| <x-bar id="bar2"></x-bar> | ||
| </template> | ||
| <script> | ||
| HTMLImports.whenReady(function() { | ||
| Polymer({ | ||
| is: 'x-foo', | ||
| behaviors: [readyBehavior] | ||
| }); | ||
| }); | ||
| </script> | ||
| </dom-module> | ||
|
|
||
| <dom-module id="x-ready"> | ||
| <template> | ||
| <x-zot id="a"> | ||
| <x-zot id="b"></x-zot> | ||
| <x-zot id="c"> | ||
| <x-zot id="d"></x-zot> | ||
| </x-zot> | ||
| </x-zot> | ||
| <x-foo id="foo"></x-foo> | ||
| </template> | ||
| <script> | ||
| HTMLImports.whenReady(function() { | ||
| Polymer({ | ||
| is: 'x-ready', | ||
| behaviors: [readyBehavior] | ||
| }); | ||
| }); | ||
| </script> | ||
| </dom-module> | ||
|
|
||
| <script> | ||
|
|
||
| suite('ready and attached ordering', function() { | ||
|
|
||
| let el; | ||
|
|
||
| setup(function() { | ||
| clearTestLists(); | ||
| el = document.createElement('x-ready'); | ||
| document.body.appendChild(el); | ||
| if (customElements.flush) { | ||
| customElements.flush(); | ||
| } | ||
| }); | ||
|
|
||
| teardown(function() { | ||
| document.body.removeChild(el); | ||
| }); | ||
|
|
||
| test('element ready called bottom-up', function() { | ||
| assert.deepEqual(window.actualReadyList, ['x-zot#a', 'x-zot#b', | ||
| 'x-zot#c', 'x-zot#d', 'x-zot', 'x-bar#bar1', 'x-zot', 'x-bar#bar2', | ||
| 'x-foo#foo', 'x-ready']); | ||
| }); | ||
|
|
||
| test('element attached called top-down', function() { | ||
| // on native, top element is last because it kicks off the process. | ||
| var expectedAttachedList = ['x-zot#a', 'x-zot#b', | ||
| 'x-zot#c', 'x-zot#d', 'x-foo#foo', 'x-bar#bar1', 'x-zot', 'x-bar#bar2', | ||
| 'x-zot']; | ||
| // NOTE: attached ordering differs under polyfill because it is | ||
| // async and therefore *always* in document order. | ||
| if (customElements.flush) { | ||
| expectedAttachedList.unshift('x-ready'); | ||
| } else { | ||
| expectedAttachedList.push('x-ready'); | ||
| } | ||
| assert.deepEqual(window.actualAttachedList, expectedAttachedList); | ||
| }); | ||
|
|
||
| test('element attached called after ready', function() { | ||
| assert.equal(window.actualReadyBeforeAtachedList.length, 0); | ||
| }); | ||
|
|
||
| test('element has $ references at attached time', function() { | ||
| assert.sameMembers(el.attachedTime$Keys, ['a', 'b', 'c', 'd', 'foo']); | ||
| assert.sameMembers(el.$.foo.attachedTime$Keys, ['bar1', 'bar2']); | ||
| }) | ||
|
|
||
| }); | ||
|
|
||
| </script> | ||
| </body> | ||
| </html> |