2018-11-02 01:54:51 +00:00
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/**
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* Copyright 2018 Google Inc. 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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*/
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2020-04-09 05:56:25 +00:00
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const expect = require('expect');
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2020-05-07 10:54:55 +00:00
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const {
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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} = require('./mocha-utils');
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2018-11-02 01:54:51 +00:00
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2020-05-07 10:54:55 +00:00
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describeFailsFirefox('Accessibility', function () {
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2020-04-09 05:56:25 +00:00
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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2020-05-07 10:54:55 +00:00
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it('should work', async () => {
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const { page, isFirefox } = getTestState();
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2020-04-09 05:56:25 +00:00
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await page.setContent(`
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2018-11-02 01:54:51 +00:00
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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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<div>Hello World</div>
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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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<select>
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<option>First Option</option>
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<option>Second Option</option>
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</select>
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</body>`);
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2020-04-09 05:56:25 +00:00
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await page.focus('[placeholder="Empty input"]');
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2020-05-07 10:54:55 +00:00
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const golden = isFirefox
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? {
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role: 'document',
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name: 'Accessibility Test',
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children: [
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{ role: 'text leaf', name: 'Hello World' },
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{ role: 'heading', name: 'Inputs', level: 1 },
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{ role: 'entry', name: 'Empty input', focused: true },
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{ role: 'entry', name: 'readonly input', readonly: true },
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{ role: 'entry', name: 'disabled input', disabled: true },
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{ role: 'entry', name: 'Input with whitespace', value: ' ' },
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{ role: 'entry', name: '', value: 'value only' },
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{ role: 'entry', name: '', value: 'and a value' }, // firefox doesn't use aria-placeholder for the name
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{
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role: 'entry',
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name: '',
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value: 'and a value',
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description: 'This is a description!',
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}, // and here
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{
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role: 'combobox',
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name: '',
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value: 'First Option',
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haspopup: true,
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children: [
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{
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role: 'combobox option',
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name: 'First Option',
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selected: true,
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},
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{ role: 'combobox option', name: 'Second Option' },
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],
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},
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],
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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: 'text', name: 'Hello World' },
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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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{
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role: 'textbox',
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name: 'placeholder',
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value: 'and a value',
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description: 'This is a description!',
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},
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{
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role: 'combobox',
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name: '',
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value: 'First Option',
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children: [
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{ role: 'menuitem', name: 'First Option', selected: true },
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{ role: 'menuitem', name: 'Second Option' },
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],
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},
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],
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};
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2020-04-09 05:56:25 +00:00
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expect(await page.accessibility.snapshot()).toEqual(golden);
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});
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2020-05-07 10:54:55 +00:00
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it('should report uninteresting nodes', async () => {
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const { page, isFirefox } = getTestState();
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2020-04-09 05:56:25 +00:00
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await page.setContent(`<textarea>hi</textarea>`);
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await page.focus('textarea');
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2020-05-07 10:54:55 +00:00
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const golden = isFirefox
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? {
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role: 'entry',
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name: '',
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value: 'hi',
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focused: true,
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multiline: true,
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children: [
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{
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role: 'text leaf',
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name: 'hi',
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},
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],
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}
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: {
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role: 'textbox',
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name: '',
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value: 'hi',
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focused: true,
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multiline: true,
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children: [
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{
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role: 'generic',
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name: '',
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children: [
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{
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role: 'text',
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name: 'hi',
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},
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],
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},
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],
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};
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expect(
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findFocusedNode(
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await page.accessibility.snapshot({ interestingOnly: false })
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)
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).toEqual(golden);
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2020-04-09 05:56:25 +00:00
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});
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2020-05-07 10:54:55 +00:00
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it('roledescription', async () => {
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const { page } = getTestState();
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2020-04-09 05:56:25 +00:00
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2020-05-07 10:54:55 +00:00
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await page.setContent(
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'<div tabIndex=-1 aria-roledescription="foo">Hi</div>'
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);
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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it('orientation', async () => {
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const { page } = getTestState();
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2020-04-09 05:56:25 +00:00
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2020-05-07 10:54:55 +00:00
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await page.setContent(
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'<a href="" role="slider" aria-orientation="vertical">11</a>'
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);
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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it('autocomplete', async () => {
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const { page } = getTestState();
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2020-04-09 05:56:25 +00:00
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await page.setContent('<input type="number" aria-autocomplete="list" />');
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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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2020-05-07 10:54:55 +00:00
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it('multiselectable', async () => {
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const { page } = getTestState();
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2020-04-09 05:56:25 +00:00
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2020-05-07 10:54:55 +00:00
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await page.setContent(
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'<div role="grid" tabIndex=-1 aria-multiselectable=true>hey</div>'
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);
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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it('keyshortcuts', async () => {
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const { page } = getTestState();
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2020-04-09 05:56:25 +00:00
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2020-05-07 10:54:55 +00:00
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await page.setContent(
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'<div role="grid" tabIndex=-1 aria-keyshortcuts="foo">hey</div>'
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);
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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describe('filtering children of leaf nodes', function () {
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it('should not report text nodes inside controls', async () => {
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const { page, isFirefox } = getTestState();
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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const golden = isFirefox
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? {
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role: 'document',
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name: '',
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children: [
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{
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role: 'pagetab',
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name: 'Tab1',
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selected: true,
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},
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{
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role: 'pagetab',
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name: 'Tab2',
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},
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],
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}
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: {
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role: 'WebArea',
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name: '',
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children: [
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{
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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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{
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role: 'tab',
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name: 'Tab2',
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},
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],
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};
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2019-02-26 05:57:33 +00:00
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expect(await page.accessibility.snapshot()).toEqual(golden);
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2018-11-02 01:54:51 +00:00
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});
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2020-05-07 10:54:55 +00:00
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it('rich text editable fields should have children', async () => {
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const { page, isFirefox } = getTestState();
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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const golden = isFirefox
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? {
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role: 'section',
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name: '',
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children: [
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{
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role: 'text leaf',
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name: 'Edit this image: ',
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},
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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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}
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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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{
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role: 'text',
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name: 'Edit this image:',
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},
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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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};
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2019-02-26 05:57:33 +00:00
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const snapshot = await page.accessibility.snapshot();
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2020-04-09 05:56:25 +00:00
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expect(snapshot.children[0]).toEqual(golden);
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2019-02-26 05:57:33 +00:00
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});
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2020-05-07 10:54:55 +00:00
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it('rich text editable fields with role should have children', async () => {
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const { page, isFirefox } = getTestState();
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2020-04-09 05:56:25 +00:00
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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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2020-05-07 10:54:55 +00:00
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const golden = isFirefox
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? {
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role: 'entry',
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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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{
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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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}
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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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{
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role: 'text',
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name: 'Edit this image:',
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},
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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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};
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2019-02-26 05:57:33 +00:00
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const snapshot = await page.accessibility.snapshot();
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2020-04-09 05:56:25 +00:00
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|
expect(snapshot.children[0]).toEqual(golden);
|
2018-11-02 01:54:51 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
// Firefox does not support contenteditable="plaintext-only".
|
2020-05-07 10:54:55 +00:00
|
|
|
describeFailsFirefox('plaintext contenteditable', function () {
|
|
|
|
|
it('plain text field with role should not have children', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
2018-11-02 01:54:51 +00:00
|
|
|
await page.setContent(`
|
2020-04-09 05:56:25 +00:00
|
|
|
<div contenteditable="plaintext-only" role='textbox'>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
|
2019-02-26 05:57:33 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
2020-04-09 05:56:25 +00:00
|
|
|
expect(snapshot.children[0]).toEqual({
|
2018-11-02 01:54:51 +00:00
|
|
|
role: 'textbox',
|
|
|
|
|
name: '',
|
2020-05-07 10:54:55 +00:00
|
|
|
value: 'Edit this image:',
|
2018-11-02 01:54:51 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('plain text field without role should not have content', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2019-02-26 05:57:33 +00:00
|
|
|
<div contenteditable="plaintext-only">Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
|
2020-04-09 05:56:25 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
|
|
|
|
expect(snapshot.children[0]).toEqual({
|
|
|
|
|
role: 'generic',
|
2020-05-07 10:54:55 +00:00
|
|
|
name: '',
|
2019-02-26 05:57:33 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('plain text field with tabindex and without role should not have content', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2019-02-26 05:57:33 +00:00
|
|
|
<div contenteditable="plaintext-only" tabIndex=0>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`);
|
2020-04-09 05:56:25 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
|
|
|
|
expect(snapshot.children[0]).toEqual({
|
|
|
|
|
role: 'generic',
|
2020-05-07 10:54:55 +00:00
|
|
|
name: '',
|
2018-11-02 01:54:51 +00:00
|
|
|
});
|
|
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('non editable textbox with role and tabIndex and label should not have children', async () => {
|
|
|
|
|
const { page, isFirefox } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2018-11-02 01:54:51 +00:00
|
|
|
<div role="textbox" tabIndex=0 aria-checked="true" aria-label="my favorite textbox">
|
|
|
|
|
this is the inner content
|
|
|
|
|
<img alt="yo" src="fakeimg.png">
|
|
|
|
|
</div>`);
|
2020-05-07 10:54:55 +00:00
|
|
|
const golden = isFirefox
|
|
|
|
|
? {
|
|
|
|
|
role: 'entry',
|
|
|
|
|
name: 'my favorite textbox',
|
|
|
|
|
value: 'this is the inner content yo',
|
|
|
|
|
}
|
|
|
|
|
: {
|
|
|
|
|
role: 'textbox',
|
|
|
|
|
name: 'my favorite textbox',
|
|
|
|
|
value: 'this is the inner content ',
|
|
|
|
|
};
|
2020-04-09 05:56:25 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
|
|
|
|
expect(snapshot.children[0]).toEqual(golden);
|
|
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('checkbox with and tabIndex and label should not have children', async () => {
|
|
|
|
|
const { page, isFirefox } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2018-11-02 01:54:51 +00:00
|
|
|
<div role="checkbox" tabIndex=0 aria-checked="true" aria-label="my favorite checkbox">
|
|
|
|
|
this is the inner content
|
|
|
|
|
<img alt="yo" src="fakeimg.png">
|
|
|
|
|
</div>`);
|
2020-05-07 10:54:55 +00:00
|
|
|
const golden = isFirefox
|
|
|
|
|
? {
|
|
|
|
|
role: 'checkbutton',
|
|
|
|
|
name: 'my favorite checkbox',
|
|
|
|
|
checked: true,
|
|
|
|
|
}
|
|
|
|
|
: {
|
|
|
|
|
role: 'checkbox',
|
|
|
|
|
name: 'my favorite checkbox',
|
|
|
|
|
checked: true,
|
|
|
|
|
};
|
2020-04-09 05:56:25 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
|
|
|
|
expect(snapshot.children[0]).toEqual(golden);
|
|
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('checkbox without label should not have children', async () => {
|
|
|
|
|
const { page, isFirefox } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2018-11-02 01:54:51 +00:00
|
|
|
<div role="checkbox" aria-checked="true">
|
|
|
|
|
this is the inner content
|
|
|
|
|
<img alt="yo" src="fakeimg.png">
|
|
|
|
|
</div>`);
|
2020-05-07 10:54:55 +00:00
|
|
|
const golden = isFirefox
|
|
|
|
|
? {
|
|
|
|
|
role: 'checkbutton',
|
|
|
|
|
name: 'this is the inner content yo',
|
|
|
|
|
checked: true,
|
|
|
|
|
}
|
|
|
|
|
: {
|
|
|
|
|
role: 'checkbox',
|
|
|
|
|
name: 'this is the inner content yo',
|
|
|
|
|
checked: true,
|
|
|
|
|
};
|
2020-04-09 05:56:25 +00:00
|
|
|
const snapshot = await page.accessibility.snapshot();
|
|
|
|
|
expect(snapshot.children[0]).toEqual(golden);
|
|
|
|
|
});
|
|
|
|
|
|
2020-05-07 10:54:55 +00:00
|
|
|
describe('root option', function () {
|
|
|
|
|
it('should work a button', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2019-05-10 06:39:42 +00:00
|
|
|
|
2020-04-09 05:56:25 +00:00
|
|
|
await page.setContent(`<button>My Button</button>`);
|
2019-05-10 06:39:42 +00:00
|
|
|
|
2020-04-09 05:56:25 +00:00
|
|
|
const button = await page.$('button');
|
2020-05-07 10:54:55 +00:00
|
|
|
expect(await page.accessibility.snapshot({ root: button })).toEqual({
|
2020-04-09 05:56:25 +00:00
|
|
|
role: 'button',
|
2020-05-07 10:54:55 +00:00
|
|
|
name: 'My Button',
|
2019-05-10 06:39:42 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('should work an input', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`<input title="My Input" value="My Value">`);
|
2019-05-10 06:39:42 +00:00
|
|
|
|
2020-04-09 05:56:25 +00:00
|
|
|
const input = await page.$('input');
|
2020-05-07 10:54:55 +00:00
|
|
|
expect(await page.accessibility.snapshot({ root: input })).toEqual({
|
2020-04-09 05:56:25 +00:00
|
|
|
role: 'textbox',
|
|
|
|
|
name: 'My Input',
|
2020-05-07 10:54:55 +00:00
|
|
|
value: 'My Value',
|
2019-05-10 06:39:42 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('should work a menu', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`
|
2019-05-10 06:39:42 +00:00
|
|
|
<div role="menu" title="My Menu">
|
|
|
|
|
<div role="menuitem">First Item</div>
|
|
|
|
|
<div role="menuitem">Second Item</div>
|
|
|
|
|
<div role="menuitem">Third Item</div>
|
|
|
|
|
</div>
|
|
|
|
|
`);
|
|
|
|
|
|
2020-04-09 05:56:25 +00:00
|
|
|
const menu = await page.$('div[role="menu"]');
|
2020-05-07 10:54:55 +00:00
|
|
|
expect(await page.accessibility.snapshot({ root: menu })).toEqual({
|
2020-04-09 05:56:25 +00:00
|
|
|
role: 'menu',
|
|
|
|
|
name: 'My Menu',
|
2020-05-07 10:54:55 +00:00
|
|
|
children: [
|
|
|
|
|
{ role: 'menuitem', name: 'First Item' },
|
|
|
|
|
{ role: 'menuitem', name: 'Second Item' },
|
|
|
|
|
{ role: 'menuitem', name: 'Third Item' },
|
|
|
|
|
],
|
2019-05-10 06:39:42 +00:00
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('should return null when the element is no longer in DOM', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`<button>My Button</button>`);
|
|
|
|
|
const button = await page.$('button');
|
2020-05-07 10:54:55 +00:00
|
|
|
await page.$eval('button', (button) => button.remove());
|
|
|
|
|
expect(await page.accessibility.snapshot({ root: button })).toEqual(
|
|
|
|
|
null
|
|
|
|
|
);
|
2020-04-09 05:56:25 +00:00
|
|
|
});
|
2020-05-07 10:54:55 +00:00
|
|
|
it('should support the interestingOnly option', async () => {
|
|
|
|
|
const { page } = getTestState();
|
2020-04-09 05:56:25 +00:00
|
|
|
|
|
|
|
|
await page.setContent(`<div><button>My Button</button></div>`);
|
|
|
|
|
const div = await page.$('div');
|
2020-05-07 10:54:55 +00:00
|
|
|
expect(await page.accessibility.snapshot({ root: div })).toEqual(null);
|
|
|
|
|
expect(
|
|
|
|
|
await page.accessibility.snapshot({
|
|
|
|
|
root: div,
|
|
|
|
|
interestingOnly: false,
|
|
|
|
|
})
|
|
|
|
|
).toEqual({
|
2020-04-09 05:56:25 +00:00
|
|
|
role: 'generic',
|
|
|
|
|
name: '',
|
|
|
|
|
children: [
|
|
|
|
|
{
|
|
|
|
|
role: 'button',
|
|
|
|
|
name: 'My Button',
|
2020-05-07 10:54:55 +00:00
|
|
|
children: [{ role: 'text', name: 'My Button' }],
|
2020-04-09 05:56:25 +00:00
|
|
|
},
|
|
|
|
|
],
|
2019-05-10 06:39:42 +00:00
|
|
|
});
|
|
|
|
|
});
|
2018-11-02 01:54:51 +00:00
|
|
|
});
|
|
|
|
|
});
|
2020-04-09 05:56:25 +00:00
|
|
|
function findFocusedNode(node) {
|
2020-05-07 10:54:55 +00:00
|
|
|
if (node.focused) return node;
|
2020-04-09 05:56:25 +00:00
|
|
|
for (const child of node.children || []) {
|
|
|
|
|
const focusedChild = findFocusedNode(child);
|
2020-05-07 10:54:55 +00:00
|
|
|
if (focusedChild) return focusedChild;
|
2020-04-09 05:56:25 +00:00
|
|
|
}
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
});
|
