<!doctype html> <!-- @license Copyright (c) 2015 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> <title>iron-autogrow-textarea tests</title> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes"> <script src="../../webcomponentsjs/webcomponents-lite.js"></script> <script src="../../web-component-tester/browser.js"></script> <script src="../../test-fixture/test-fixture-mocha.js"></script> <script src="../../iron-test-helpers/mock-interactions.js"></script> <link rel="import" href="../../test-fixture/test-fixture.html"> <link rel="import" href="../iron-autogrow-textarea.html"> </head> <body> <test-fixture id="basic"> <template> <iron-autogrow-textarea></iron-autogrow-textarea> </template> </test-fixture> <test-fixture id="has-bindValue"> <template> <iron-autogrow-textarea bind-value="foobar"></iron-autogrow-textarea> </template> </test-fixture> <test-fixture id="rows"> <template> <iron-autogrow-textarea rows="3"></iron-autogrow-textarea> </template> </test-fixture> <script> suite('basic', function() { test('setting bindValue sets textarea value', function() { var autogrow = fixture('basic'); var textarea = autogrow.textarea; autogrow.bindValue = 'batman'; assert.equal(textarea.value, autogrow.bindValue, 'textarea value equals to bindValue'); }); test('can set an initial bindValue', function() { var autogrow = fixture('has-bindValue'); assert.equal(autogrow.textarea.value, 'foobar', 'textarea value equals to initial bindValue'); }); test('can set an initial number of rows', function() { var autogrow = fixture("rows"); assert.equal(autogrow.textarea.rows, 3, 'textarea has rows=3'); }); test('adding rows grows the textarea', function() { var autogrow = fixture('basic'); var initialHeight = autogrow.offsetHeight; autogrow.bindValue = 'batman\nand\nrobin'; var finalHeight = autogrow.offsetHeight assert.isTrue(finalHeight > initialHeight); }); test('removing rows shrinks the textarea', function() { var autogrow = fixture('basic'); autogrow.bindValue = 'batman\nand\nrobin'; var initialHeight = autogrow.offsetHeight; autogrow.bindValue = 'batman'; var finalHeight = autogrow.offsetHeight assert.isTrue(finalHeight < initialHeight); }); test('an undefined bindValue is the empty string', function() { var autogrow = fixture('basic'); var initialHeight = autogrow.offsetHeight; autogrow.bindValue = 'batman\nand\nrobin'; var finalHeight = autogrow.offsetHeight; assert.isTrue(finalHeight > initialHeight); autogrow.bindValue = undefined; assert.equal(autogrow.offsetHeight, initialHeight); assert.equal(autogrow.textarea.value, ''); }); test('textarea selection works', function() { var autogrow = fixture('basic'); var textarea = autogrow.textarea; autogrow.bindValue = 'batman\nand\nrobin'; autogrow.selectionStart = 3; autogrow.selectionEnd = 5; assert.equal(textarea.selectionStart, 3); assert.equal(textarea.selectionEnd, 5); }); }); suite('focus/blur events', function() { var input; setup(function() { input = fixture('basic'); }); test('focus/blur events fired on host element', function(done) { var nFocusEvents = 0; var nBlurEvents = 0; input.addEventListener('focus', function() { nFocusEvents += 1; // setTimeout to wait for potentially more, erroneous events setTimeout(function() { assert.equal(nFocusEvents, 1, 'one focus event fired'); MockInteractions.blur(input.textarea); }); }); input.addEventListener('blur', function() { nBlurEvents += 1; // setTimeout to wait for potentially more, erroneous events setTimeout(function() { assert.equal(nBlurEvents, 1, 'one blur event fired'); done(); }); }); MockInteractions.focus(input.textarea); }); }); suite('validation', function() { test('a required textarea with no text is invalid', function() { var input = fixture('basic'); input.required = true; assert.isFalse(input.validate()); input.bindValue = 'batman'; assert.isTrue(input.validate()); }); }); </script> </body> </html>