Andreas Hocevar
92 lines
3.2 KiB
JavaScript
92 lines
3.2 KiB
JavaScript
// Copyright 2012 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.ui.PaletteRendererTest');
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goog.setTestOnly('goog.ui.PaletteRendererTest');
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goog.require('goog.a11y.aria');
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goog.require('goog.a11y.aria.Role');
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goog.require('goog.a11y.aria.State');
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goog.require('goog.array');
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goog.require('goog.dom');
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goog.require('goog.testing.jsunit');
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goog.require('goog.ui.Palette');
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goog.require('goog.ui.PaletteRenderer');
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var sandbox;
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var items = [
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'<div aria-label="label-0"></div>',
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'<div title="title-1"></div>',
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'<div aria-label="label-2" title="title-2"></div>',
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'<div><span title="child-title-3"></span></div>'
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];
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var itemEls;
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var renderer;
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var palette;
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function setUp() {
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sandbox = goog.dom.getElement('sandbox');
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itemEls = goog.array.map(items, function(item, index, a) {
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return goog.dom.htmlToDocumentFragment(item);
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});
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renderer = new goog.ui.PaletteRenderer();
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palette = new goog.ui.Palette(itemEls, renderer);
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palette.setSize(4, 1);
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}
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function tearDown() {
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palette.dispose();
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}
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function testGridA11yRoles() {
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var grid = renderer.createDom(palette);
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assertEquals(goog.a11y.aria.Role.GRID, goog.a11y.aria.getRole(grid));
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var table = grid.getElementsByTagName('table')[0];
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var row = table.getElementsByTagName('tr')[0];
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assertEquals(goog.a11y.aria.Role.ROW, goog.a11y.aria.getRole(row));
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var cell = row.getElementsByTagName('td')[0];
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assertEquals(goog.a11y.aria.Role.GRIDCELL, goog.a11y.aria.getRole(cell));
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}
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function testCellA11yLabels() {
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var grid = renderer.createDom(palette);
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var cells = grid.getElementsByTagName('td');
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assertEquals('An aria-label is used as a label',
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'label-0', goog.a11y.aria.getLabel(cells[0]));
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assertEquals('A title is used as a label',
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'title-1', goog.a11y.aria.getLabel(cells[1]));
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assertEquals('An aria-label takes precedence over a title',
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'label-2', goog.a11y.aria.getLabel(cells[2]));
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assertEquals('Children are traversed to find labels',
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'child-title-3', goog.a11y.aria.getLabel(cells[3]));
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}
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function testA11yActiveDescendant() {
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palette.render();
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var cells = palette.getElementStrict().getElementsByTagName('td');
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renderer.highlightCell(palette, cells[1].firstChild, true);
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assertEquals(cells[1].id, goog.a11y.aria.getState(
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palette.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT));
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renderer.highlightCell(palette, cells[0].firstChild, false);
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assertEquals(cells[1].id, goog.a11y.aria.getState(
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palette.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT));
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renderer.highlightCell(palette, cells[1].firstChild, false);
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assertNotEquals(cells[1].id, goog.a11y.aria.getState(
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palette.getElementStrict(), goog.a11y.aria.State.ACTIVEDESCENDANT));
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}
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