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Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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<title>paper-textarea tests</title>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
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<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
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<script src="../../web-component-tester/browser.js"></script>
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<script src="../../iron-test-helpers/test-helpers.js"></script>
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<script src="../../iron-test-helpers/mock-interactions.js"></script>
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<link rel="import" href="../paper-textarea.html">
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<test-fixture id="basic">
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<paper-textarea></paper-textarea>
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<test-fixture id="label">
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<paper-textarea label="foo"></paper-textarea>
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<test-fixture id="char-counter">
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<paper-textarea char-counter></paper-textarea>
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<test-fixture id="required">
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<paper-textarea auto-validate required error-message="error"></paper-textarea>
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<test-fixture id="required-char-counter">
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<paper-textarea auto-validate char-counter required error-message="error"></paper-textarea>
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<test-fixture id="always-float-label">
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<paper-textarea always-float-label label="label"></paper-textarea>
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suite('basic', function() {
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test('setting value sets the input value', function() {
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var input = fixture('basic');
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input.value = 'foobar';
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assert.equal(input.inputElement.bindValue, input.value, 'inputElement value equals input.value');
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test('empty required input shows error', function() {
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var input = fixture('required');
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var error = Polymer.dom(input.root).querySelector('paper-input-error');
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assert.ok(error, 'paper-input-error exists');
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assert.notEqual(getComputedStyle(error).display, 'none', 'error is not display:none');
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test('caret position is preserved', function() {
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var input = fixture('basic');
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var ironTextarea = Polymer.dom(input.root).querySelector('iron-autogrow-textarea');
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input.value = 'nananana';
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ironTextarea.selectionStart = 2;
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ironTextarea.selectionEnd = 2;
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input.updateValueAndPreserveCaret('nanananabatman');
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assert.equal(ironTextarea.selectionStart, 2, 'selectionStart is preserved');
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assert.equal(ironTextarea.selectionEnd, 2, 'selectionEnd is preserved');
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test('input attributes are bound to textarea', function() {
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var input = fixture('basic');
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'autocomplete': 'true',
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'inputmode': 'number',
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'placeholder': 'bar',
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for (var attr in attrs) {
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input[attr] = attrs[attr];
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for (var attr in attrs) {
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var inputAttr = input.inputElement.getAttribute(attr);
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if (typeof attrs[attr] === 'boolean') {
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assert.equal(inputAttr !== null, attrs[attr], 'attribute "' + attr + '" is equal to property (' + attrs[attr] + ', ' + inputAttr !== null + ')');
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assert.equal(inputAttr, attrs[attr], 'attribute "' + attr + '" is equal to property (' + attrs[attr] + ', ' + inputAttr + ')');
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test('always-float-label attribute works', function() {
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var input = fixture('always-float-label');
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var container = Polymer.dom(input.root).querySelector('paper-input-container');
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var inputContent = Polymer.dom(container.root).querySelector('.input-content');
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assert.isTrue(inputContent.classList.contains('label-is-floating'), 'label is floating');
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suite('focus/blur events', function() {
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input = fixture('basic');
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// At the moment, it is very hard to correctly fire exactly
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// one focus/blur events on a paper-textarea. This is because
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// when a paper-textarea is focused, it needs to focus
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// its underlying native textarea, which will also fire a `blur`
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test('focus events fired on host element', function() {
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input.addEventListener('focus', function(event) {
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assert(input.focused, 'input is focused');
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MockInteractions.focus(input);
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test('focus events fired on host element if nested element is focused', function() {
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input.addEventListener('focus', function(event) {
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assert(input.focused, 'input is focused');
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MockInteractions.focus(input.inputElement.textarea);
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test('blur events fired on host element', function() {
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MockInteractions.focus(input);
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input.addEventListener('blur', function(event) {
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assert(!input.focused, 'input is blurred');
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MockInteractions.blur(input);
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test('blur events fired on host element nested element is blurred', function() {
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MockInteractions.focus(input);
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input.addEventListener('blur', function(event) {
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assert(!input.focused, 'input is blurred');
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MockInteractions.blur(input.inputElement.textarea);
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test('focusing then bluring sets the focused attribute correctly', function() {
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MockInteractions.focus(input);
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assert(input.focused, 'input is focused');
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MockInteractions.blur(input);
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assert(!input.focused, 'input is blurred');
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MockInteractions.focus(input.inputElement.textarea);
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assert(input.focused, 'input is focused');
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MockInteractions.blur(input.inputElement.textarea);
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assert(!input.focused, 'input is blurred');
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suite('a11y', function() {
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test('has aria-labelledby', function() {
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var input = fixture('label');
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assert.isTrue(input.inputElement.textarea.hasAttribute('aria-labelledby'))
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assert.equal(input.inputElement.textarea.getAttribute('aria-labelledby'), Polymer.dom(input.root).querySelector('label').id, 'aria-labelledby points to the label');
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test('has aria-describedby for error message', function() {
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var input = fixture('required');
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forceXIfStamp(input);
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assert.isTrue(input.inputElement.textarea.hasAttribute('aria-describedby'));
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assert.equal(input.inputElement.textarea.getAttribute('aria-describedby'), Polymer.dom(input.root).querySelector('paper-input-error').id, 'aria-describedby points to the error message');
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test('has aria-describedby for character counter', function() {
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var input = fixture('char-counter');
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forceXIfStamp(input);
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assert.isTrue(input.inputElement.textarea.hasAttribute('aria-describedby'));
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assert.equal(input.inputElement.textarea.getAttribute('aria-describedby'), Polymer.dom(input.root).querySelector('paper-input-char-counter').id, 'aria-describedby points to the character counter');
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test('has aria-describedby for character counter and error', function() {
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var input = fixture('required-char-counter');
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forceXIfStamp(input);
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assert.isTrue(input.inputElement.textarea.hasAttribute('aria-describedby'));
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assert.equal(input.inputElement.textarea.getAttribute('aria-describedby'), Polymer.dom(input.root).querySelector('paper-input-error').id + ' ' + Polymer.dom(input.root).querySelector('paper-input-char-counter').id, 'aria-describedby points to the error message and character counter');