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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.ui.MenuButtonRendererTest');
goog.setTestOnly('goog.ui.MenuButtonRendererTest');
goog.require('goog.a11y.aria');
goog.require('goog.a11y.aria.State');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.dom.classlist');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.ui.rendererasserts');
goog.require('goog.ui.MenuButton');
goog.require('goog.ui.MenuButtonRenderer');
goog.require('goog.userAgent');
var decoratedButton;
var renderedButton;
var savedRootTree;
function setUp() {
savedRootTree = goog.dom.getElement('root').cloneNode(true);
decoratedButton = null;
renderedButton = null;
}
function tearDown() {
if (decoratedButton) {
decoratedButton.dispose();
}
if (renderedButton) {
renderedButton.dispose();
}
var root = goog.dom.getElement('root');
root.parentNode.replaceChild(savedRootTree, root);
}
function testRendererWithTextContent() {
renderedButton = new goog.ui.MenuButton('Foo');
renderOnParent(renderedButton);
checkButtonCaption(renderedButton);
checkAriaState(renderedButton);
decoratedButton = new goog.ui.MenuButton();
decorateDemoButton(decoratedButton);
checkButtonCaption(decoratedButton);
checkAriaState(decoratedButton);
assertButtonsEqual();
}
function testRendererWithNodeContent() {
renderedButton = new goog.ui.MenuButton(
goog.dom.createDom(goog.dom.TagName.DIV, null, 'Foo'));
renderOnParent(renderedButton);
var contentEl = renderedButton.getContentElement();
if (goog.userAgent.IE || goog.userAgent.OPERA) {
assertHTMLEquals('<div unselectable="on">Foo</div>', contentEl.innerHTML);
} else {
assertHTMLEquals('<div>Foo</div>', contentEl.innerHTML);
}
assertTrue(hasInlineBlock(contentEl));
}
function testSetContent() {
renderedButton = new goog.ui.MenuButton();
renderOnParent(renderedButton);
var contentEl = renderedButton.getContentElement();
assertHTMLEquals('', contentEl.innerHTML);
renderedButton.setContent('Foo');
contentEl = renderedButton.getContentElement();
assertHTMLEquals('Foo', contentEl.innerHTML);
assertTrue(hasInlineBlock(contentEl));
renderedButton.setContent(
goog.dom.createDom(goog.dom.TagName.DIV, null, 'Bar'));
contentEl = renderedButton.getContentElement();
assertHTMLEquals('<div>Bar</div>', contentEl.innerHTML);
renderedButton.setContent('Foo');
contentEl = renderedButton.getContentElement();
assertHTMLEquals('Foo', contentEl.innerHTML);
}
function assertButtonsEqual() {
assertHTMLEquals(
'Rendered button and decorated button produced different HTML!',
renderedButton.getElement().innerHTML,
decoratedButton.getElement().innerHTML);
}
/**
* Render the given button as a child of 'parent'.
* @param {goog.ui.Button} button A button with content 'Foo'.
*/
function renderOnParent(button) {
button.render(goog.dom.getElement('parent'));
}
/**
* Decaorate the button with id 'button'.
* @param {goog.ui.Button} button A button with no content.
*/
function decorateDemoButton(button) {
button.decorate(goog.dom.getElement('decoratedButton'));
}
/**
* Verify that the button's caption is never the direct
* child of an inline-block element.
* @param {goog.ui.Button} button A button.
*/
function checkButtonCaption(button) {
var contentElement = button.getContentElement();
assertEquals('Foo', contentElement.innerHTML);
assertTrue(hasInlineBlock(contentElement));
assert(hasInlineBlock(contentElement.parentNode));
button.setContent('Bar');
contentElement = button.getContentElement();
assertEquals('Bar', contentElement.innerHTML);
assertTrue(hasInlineBlock(contentElement));
assert(hasInlineBlock(contentElement.parentNode));
}
/**
* Verify that the menu button has the correct ARIA attributes
* @param {goog.ui.Button} button A button.
*/
function checkAriaState(button) {
assertEquals(
'menu buttons should have default aria-expanded == false', 'false',
goog.a11y.aria.getState(
button.getElement(), goog.a11y.aria.State.EXPANDED));
button.setOpen(true);
assertEquals(
'menu buttons should not aria-expanded == true after ' +
'opening',
'true', goog.a11y.aria.getState(
button.getElement(), goog.a11y.aria.State.EXPANDED));
}
function hasInlineBlock(el) {
return goog.dom.classlist.contains(el, 'goog-inline-block');
}
function testDoesntCallGetCssClassInConstructor() {
goog.testing.ui.rendererasserts.assertNoGetCssClassCallsInConstructor(
goog.ui.MenuButtonRenderer);
}
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