351 строка
14 KiB
JavaScript
351 строка
14 KiB
JavaScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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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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*/
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const {FFOX, CHROMIUM, WEBKIT} = require('./utils').testOptions(browserType);
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describe('Accessibility', function() {
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it('should work', async function({page}) {
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await page.setContent(`
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<head>
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<title>Accessibility Test</title>
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</head>
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<body>
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<h1>Inputs</h1>
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<input placeholder="Empty input" autofocus />
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<input placeholder="readonly input" readonly />
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<input placeholder="disabled input" disabled />
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<input aria-label="Input with whitespace" value=" " />
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<input value="value only" />
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<input aria-placeholder="placeholder" value="and a value" />
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<div aria-hidden="true" id="desc">This is a description!</div>
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<input aria-placeholder="placeholder" value="and a value" aria-describedby="desc" />
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</body>`);
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// autofocus happens after a delay in chrome these days
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await page.waitForFunction(() => document.activeElement.hasAttribute('autofocus'));
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const golden = FFOX ? {
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role: 'document',
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name: 'Accessibility Test',
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children: [
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{role: 'heading', name: 'Inputs', level: 1},
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{role: 'textbox', name: 'Empty input', focused: true},
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{role: 'textbox', name: 'readonly input', readonly: true},
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{role: 'textbox', name: 'disabled input', disabled: true},
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{role: 'textbox', name: 'Input with whitespace', value: ' '},
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{role: 'textbox', name: '', value: 'value only'},
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{role: 'textbox', name: '', value: 'and a value'}, // firefox doesn't use aria-placeholder for the name
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{role: 'textbox', name: '', value: 'and a value', description: 'This is a description!'}, // and here
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]
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} : CHROMIUM ? {
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role: 'WebArea',
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name: 'Accessibility Test',
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children: [
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{role: 'heading', name: 'Inputs', level: 1},
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{role: 'textbox', name: 'Empty input', focused: true},
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{role: 'textbox', name: 'readonly input', readonly: true},
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{role: 'textbox', name: 'disabled input', disabled: true},
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{role: 'textbox', name: 'Input with whitespace', value: ' '},
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{role: 'textbox', name: '', value: 'value only'},
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{role: 'textbox', name: 'placeholder', value: 'and a value'},
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{role: 'textbox', name: 'placeholder', value: 'and a value', description: 'This is a description!'},
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]
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} : {
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role: 'WebArea',
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name: 'Accessibility Test',
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children: [
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{role: 'heading', name: 'Inputs', level: 1},
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{role: 'textbox', name: 'Empty input', focused: true},
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{role: 'textbox', name: 'readonly input', readonly: true},
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{role: 'textbox', name: 'disabled input', disabled: true},
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{role: 'textbox', name: 'Input with whitespace', value: ' ' },
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{role: 'textbox', name: '', value: 'value only' },
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{role: 'textbox', name: 'placeholder', value: 'and a value'},
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{role: 'textbox', name: 'This is a description!',value: 'and a value'}, // webkit uses the description over placeholder for the name
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]
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};
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expect(await page.accessibility.snapshot()).toEqual(golden);
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});
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it('should work with regular text', async({page}) => {
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await page.setContent(`<div>Hello World</div>`);
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual({
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role: FFOX ? 'text leaf' : 'text',
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name: 'Hello World',
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});
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});
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it('roledescription', async({page}) => {
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await page.setContent('<div tabIndex=-1 aria-roledescription="foo">Hi</div>');
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0].roledescription).toEqual('foo');
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});
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it('orientation', async({page}) => {
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await page.setContent('<a href="" role="slider" aria-orientation="vertical">11</a>');
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0].orientation).toEqual('vertical');
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});
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it('autocomplete', async({page}) => {
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await page.setContent('<div role="textbox" aria-autocomplete="list">hi</div>');
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0].autocomplete).toEqual('list');
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});
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it('multiselectable', async({page}) => {
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await page.setContent('<div role="grid" tabIndex=-1 aria-multiselectable=true>hey</div>');
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0].multiselectable).toEqual(true);
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});
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it('keyshortcuts', async({page}) => {
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await page.setContent('<div role="grid" tabIndex=-1 aria-keyshortcuts="foo">hey</div>');
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0].keyshortcuts).toEqual('foo');
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});
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describe('filtering children of leaf nodes', function() {
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it('should not report text nodes inside controls', async function({page}) {
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await page.setContent(`
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<div role="tablist">
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<div role="tab" aria-selected="true"><b>Tab1</b></div>
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<div role="tab">Tab2</div>
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</div>`);
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const golden = {
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role: FFOX ? 'document' : 'WebArea',
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name: '',
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children: [{
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role: 'tab',
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name: 'Tab1',
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selected: true
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}, {
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role: 'tab',
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name: 'Tab2'
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}]
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};
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expect(await page.accessibility.snapshot()).toEqual(golden);
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});
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// WebKit rich text accessibility is iffy
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it.skip(WEBKIT)('rich text editable fields should have children', async function({page}) {
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await page.setContent(`
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<div contenteditable="true">
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Edit this image: <img src="fakeimage.png" alt="my fake image">
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</div>`);
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const golden = FFOX ? {
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role: 'section',
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name: '',
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children: [{
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role: 'text leaf',
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name: 'Edit this image: '
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}, {
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role: 'text',
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name: 'my fake image'
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}]
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} : {
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role: 'generic',
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name: '',
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value: 'Edit this image: ',
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children: [{
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role: 'text',
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name: 'Edit this image:'
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}, {
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role: 'img',
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name: 'my fake image'
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}]
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};
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual(golden);
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});
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// WebKit rich text accessibility is iffy
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it.skip(WEBKIT)('rich text editable fields with role should have children', async function({page}) {
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await page.setContent(`
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<div contenteditable="true" role='textbox'>
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Edit this image: <img src="fakeimage.png" alt="my fake image">
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</div>`);
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const golden = FFOX ? {
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role: 'textbox',
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name: '',
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value: 'Edit this image: my fake image',
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children: [{
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role: 'text',
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name: 'my fake image'
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}]
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} : {
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role: 'textbox',
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name: '',
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value: 'Edit this image: ',
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children: [{
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role: 'text',
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name: 'Edit this image:'
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}, {
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role: 'img',
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name: 'my fake image'
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}]
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};
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual(golden);
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});
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// Firefox does not support contenteditable="plaintext-only".
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// WebKit rich text accessibility is iffy
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describe.skip(FFOX || WEBKIT)('plaintext contenteditable', function() {
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it('plain text field with role should not have children', async function({page}) {
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await page.setContent(`
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<div contenteditable="plaintext-only" role='textbox'>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual({
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role: 'textbox',
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name: '',
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value: 'Edit this image:'
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});
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});
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it('plain text field without role should not have content', async function({page}) {
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await page.setContent(`
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<div contenteditable="plaintext-only">Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual({
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role: 'generic',
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name: ''
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});
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});
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it('plain text field with tabindex and without role should not have content', async function({page}) {
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await page.setContent(`
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<div contenteditable="plaintext-only" tabIndex=0>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual({
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role: 'generic',
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name: ''
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});
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});
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});
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it('non editable textbox with role and tabIndex and label should not have children', async function({page}) {
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await page.setContent(`
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<div role="textbox" tabIndex=0 aria-checked="true" aria-label="my favorite textbox">
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this is the inner content
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<img alt="yo" src="fakeimg.png">
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</div>`);
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const golden = FFOX ? {
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role: 'textbox',
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name: 'my favorite textbox',
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value: 'this is the inner content yo'
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} : CHROMIUM ? {
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role: 'textbox',
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name: 'my favorite textbox',
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value: 'this is the inner content '
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} : {
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role: 'textbox',
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name: 'my favorite textbox',
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value: 'this is the inner content ',
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};
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual(golden);
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});
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it('checkbox with and tabIndex and label should not have children', async function({page}) {
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await page.setContent(`
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<div role="checkbox" tabIndex=0 aria-checked="true" aria-label="my favorite checkbox">
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this is the inner content
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<img alt="yo" src="fakeimg.png">
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</div>`);
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const golden = {
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role: 'checkbox',
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name: 'my favorite checkbox',
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checked: true
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};
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual(golden);
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});
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it('checkbox without label should not have children', async function({page}) {
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await page.setContent(`
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<div role="checkbox" aria-checked="true">
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this is the inner content
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<img alt="yo" src="fakeimg.png">
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</div>`);
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const golden = FFOX ? {
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role: 'checkbox',
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name: 'this is the inner content yo',
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checked: true
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} : {
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role: 'checkbox',
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name: 'this is the inner content yo',
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checked: true
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};
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const snapshot = await page.accessibility.snapshot();
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expect(snapshot.children[0]).toEqual(golden);
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});
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describe('root option', function() {
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it('should work a button', async({page}) => {
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await page.setContent(`<button>My Button</button>`);
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const button = await page.$('button');
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expect(await page.accessibility.snapshot({root: button})).toEqual({
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role: 'button',
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name: 'My Button'
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});
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});
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it('should work an input', async({page}) => {
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await page.setContent(`<input title="My Input" value="My Value">`);
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const input = await page.$('input');
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expect(await page.accessibility.snapshot({root: input})).toEqual({
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role: 'textbox',
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name: 'My Input',
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value: 'My Value'
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});
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});
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it('should work on a menu', async({page}) => {
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await page.setContent(`
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<div role="menu" title="My Menu">
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<div role="menuitem">First Item</div>
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<div role="menuitem">Second Item</div>
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<div role="menuitem">Third Item</div>
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</div>
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`);
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const menu = await page.$('div[role="menu"]');
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expect(await page.accessibility.snapshot({root: menu})).toEqual({
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role: 'menu',
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name: 'My Menu',
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children:
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[ { role: 'menuitem', name: 'First Item' },
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{ role: 'menuitem', name: 'Second Item' },
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{ role: 'menuitem', name: 'Third Item' } ],
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orientation: WEBKIT ? 'vertical' : undefined
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});
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});
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it('should return null when the element is no longer in DOM', async({page}) => {
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await page.setContent(`<button>My Button</button>`);
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const button = await page.$('button');
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await page.$eval('button', button => button.remove());
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expect(await page.accessibility.snapshot({root: button})).toEqual(null);
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});
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it('should show uninteresting nodes', async({page}) => {
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await page.setContent(`
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<div id="root" role="textbox">
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<div>
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hello
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<div>
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world
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</div>
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</div>
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</div>
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`);
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const root = await page.$('#root');
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const snapshot = await page.accessibility.snapshot({root, interestingOnly: false});
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expect(snapshot.role).toBe('textbox');
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expect(snapshot.value).toContain('hello');
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expect(snapshot.value).toContain('world');
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expect(!!snapshot.children).toBe(true);
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});
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});
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});
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});
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