Andreas Hocevar
122 lines
3.3 KiB
JavaScript
122 lines
3.3 KiB
JavaScript
// Copyright 2015 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.ModalAriaVisibilityHelperTest');
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goog.setTestOnly('goog.ui.ModalAriaVisibilityHelperTest');
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goog.require('goog.a11y.aria');
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goog.require('goog.a11y.aria.State');
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goog.require('goog.dom');
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goog.require('goog.string');
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goog.require('goog.testing.jsunit');
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goog.require('goog.ui.ModalAriaVisibilityHelper');
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function tearDown() {
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clearAriaState('div-1');
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clearAriaState('div-2');
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clearAriaState('div-4');
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}
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function testHide() {
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var helper = createHelper('div-1');
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helper.setBackgroundVisibility(true /* hide */);
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assertUnalteredElements();
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assertEmptyAriaHiddenState('div-1');
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assertAriaHiddenState('div-2', 'true');
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assertAriaHiddenState('div-4', 'true');
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}
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function testUnhide() {
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var helper = createHelper('div-1');
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helper.setBackgroundVisibility(false /* hide */);
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assertUnalteredElements();
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assertEmptyAriaHiddenState('div-1');
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assertEmptyAriaHiddenState('div-2');
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assertEmptyAriaHiddenState('div-4');
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}
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function testMultipleCalls() {
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var helper = createHelper('div-2');
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helper.setBackgroundVisibility(true /* hide */);
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assertUnalteredElements();
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assertAriaHiddenState('div-1', 'true');
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assertEmptyAriaHiddenState('div-2');
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assertAriaHiddenState('div-4', 'true');
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helper.setBackgroundVisibility(false /* hide */);
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assertUnalteredElements();
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assertEmptyAriaHiddenState('div-1');
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assertEmptyAriaHiddenState('div-2');
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assertEmptyAriaHiddenState('div-4');
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helper.setBackgroundVisibility(true /* hide */);
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assertUnalteredElements();
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assertAriaHiddenState('div-1', 'true');
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assertEmptyAriaHiddenState('div-2');
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assertAriaHiddenState('div-4', 'true');
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}
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function assertUnalteredElements() {
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assertEmptyAriaHiddenState('div-2-1');
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assertAriaHiddenState('div-3', 'false');
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assertAriaHiddenState('div-5', 'true');
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}
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/**
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* @param {string} id Id of the element.
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* @return {!goog.ui.ModalAriaVisibilityHelper}
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*/
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function createHelper(id) {
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return new goog.ui.ModalAriaVisibilityHelper(goog.dom.getElement(id),
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goog.dom.getDomHelper());
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}
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function clearAriaState(id) {
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goog.a11y.aria.removeState(goog.dom.getElement(id),
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goog.a11y.aria.State.HIDDEN);
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}
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/**
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* @param {string} id Id of the element.
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*/
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function assertEmptyAriaHiddenState(id) {
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var element = goog.dom.getElement(id);
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assertTrue(goog.string.isEmptyOrWhitespace(goog.string.makeSafe(
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goog.a11y.aria.getState(element, goog.a11y.aria.State.HIDDEN))));
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}
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/**
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* @param {string} id Id of the element.
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* @param {string} expectedState
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*/
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function assertAriaHiddenState(id, expectedState) {
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var element = goog.dom.getElement(id);
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assertEquals(expectedState,
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goog.a11y.aria.getState(element, goog.a11y.aria.State.HIDDEN));
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}
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