<!doctype html> <!-- 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-selector-basic</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0"> <script src="../../webcomponentsjs/webcomponents-lite.js"></script> <script src="../../web-component-tester/browser.js"></script> <script src="../../test-fixture/test-fixture-mocha.js"></script> <link rel="import" href="../../test-fixture/test-fixture.html"> <link rel="import" href="../iron-selector.html"> <style> .iron-selected { background: #ccc; } .my-selected { background: red; } </style> </head> <body> <test-fixture id="defaults"> <template> <iron-selector> <div>Item 0</div> <div>Item 1</div> <div>Item 2</div> <div>Item 3</div> <div>Item 4</div> </iron-selector> </template> </test-fixture> <br><br> <test-fixture id="basic"> <template> <iron-selector selected="item2" attr-for-selected="id"> <div id="item0">Item 0</div> <div id="item1">Item 1</div> <div id="item2">Item 2</div> <div id="item3">Item 3</div> <div id="item4">Item 4</div> </iron-selector> </template> </test-fixture> <script> suite('defaults', function() { var s1; setup(function () { s1 = fixture('defaults'); }); test('to nothing selected', function() { assert.equal(s1.selected, null); }); test('to iron-selected as selectedClass', function() { assert.equal(s1.selectedClass, 'iron-selected'); }); test('to false as multi', function() { assert.isFalse(s1.multi); }); test('to tap as activateEvent', function() { assert.equal(s1.activateEvent, 'tap'); }); test('to nothing as attrForSelected', function() { assert.equal(s1.attrForSelected, null); }); test('as many items as children', function() { assert.equal(s1.items.length, s1.querySelectorAll('div').length); }); }); suite('basic', function() { var s2; setup(function () { s2 = fixture('basic'); }); test('honors the attrForSelected attribute', function() { assert.equal(s2.attrForSelected, 'id'); assert.equal(s2.selected, 'item2'); assert.equal(s2.selectedItem, document.querySelector('#item2')); }); test('allows assignment to selected', function() { // set selected s2.selected = 'item4'; // check selected class assert.isTrue(s2.children[4].classList.contains('iron-selected')); // check item assert.equal(s2.selectedItem, s2.children[4]); }); test('fire iron-select when selected is set', function() { // setup listener for iron-select event var selectedEventCounter = 0; s2.addEventListener('iron-select', function(e) { selectedEventCounter++; }); // set selected s2.selected = 'item4'; // check iron-select event assert.equal(selectedEventCounter, 1); }); test('set selected to old value', function() { // setup listener for iron-select event var selectedEventCounter = 0; s2.addEventListener('iron-select', function(e) { selectedEventCounter++; }); // selecting the same value shouldn't fire iron-select s2.selected = 'item2'; assert.equal(selectedEventCounter, 0); }); suite('items changing', function() { test('cause iron-items-changed to fire', function(done) { var newItem = document.createElement('div'); var changeCount = 0; newItem.id = 'item999'; s2.addEventListener('iron-items-changed', function() { changeCount++; }); s2.appendChild(newItem); Polymer.Base.async(function() { s2.removeChild(newItem); Polymer.Base.async(function() { expect(changeCount).to.be.equal(2); done(); }, 1); }, 1); }); }); suite('dynamic selector', function() { test('selects dynamically added child automatically', function(done) { var selector = document.createElement('iron-selector'); var child = document.createElement('div'); selector.selected = '0'; child.textContent = 'Item 0'; Polymer.dom(selector).appendChild(child); document.body.appendChild(selector); Polymer.Base.async(function() { assert.equal(child.className, 'iron-selected'); document.body.removeChild(selector); done(); }, 1); }); }); }); </script> </body> </html>