playwright/tests/page/page-accessibility.spec.ts

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/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* 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.
*/
import { test as it, expect } from './pageTest';
import { chromiumVersionLessThan } from '../config/utils';
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it('should work @smoke', async ({ page, browserName }) => {
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await page.setContent(`
<head>
<title>Accessibility Test</title>
</head>
<body>
<h1>Inputs</h1>
<input placeholder="Empty input" autofocus />
<input placeholder="readonly input" readonly />
<input placeholder="disabled input" disabled />
<input aria-label="Input with whitespace" value=" " />
<input value="value only" />
<input aria-placeholder="placeholder" value="and a value" />
<div aria-hidden="true" id="desc">This is a description!</div>
<input aria-placeholder="placeholder" value="and a value" aria-describedby="desc" />
</body>`);
// autofocus happens after a delay in chrome these days
await page.waitForFunction(() => document.activeElement.hasAttribute('autofocus'));
const golden = (browserName === 'firefox') ? {
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role: 'document',
name: 'Accessibility Test',
children: [
{ role: 'heading', name: 'Inputs', level: 1 },
{ role: 'textbox', name: 'Empty input', focused: true },
{ role: 'textbox', name: 'readonly input', readonly: true },
{ role: 'textbox', name: 'disabled input', disabled: true },
{ role: 'textbox', name: 'Input with whitespace', value: ' ' },
{ role: 'textbox', name: '', value: 'value only' },
{ role: 'textbox', name: '', value: 'and a value' }, // firefox doesn't use aria-placeholder for the name
{ role: 'textbox', name: '', value: 'and a value', description: 'This is a description!' }, // and here
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]
} : (browserName === 'chromium') ? {
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role: 'WebArea',
name: 'Accessibility Test',
children: [
{ role: 'heading', name: 'Inputs', level: 1 },
{ role: 'textbox', name: 'Empty input', focused: true },
{ role: 'textbox', name: 'readonly input', readonly: true },
{ role: 'textbox', name: 'disabled input', disabled: true },
{ role: 'textbox', name: 'Input with whitespace', value: ' ' },
{ role: 'textbox', name: '', value: 'value only' },
{ role: 'textbox', name: 'placeholder', value: 'and a value' },
{ role: 'textbox', name: 'placeholder', value: 'and a value', description: 'This is a description!' },
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]
} : {
role: 'WebArea',
name: 'Accessibility Test',
children: [
{ role: 'heading', name: 'Inputs', level: 1 },
{ role: 'textbox', name: 'Empty input', focused: true },
{ role: 'textbox', name: 'readonly input', readonly: true },
{ role: 'textbox', name: 'disabled input', disabled: true },
{ role: 'textbox', name: 'Input with whitespace', value: ' ' },
{ role: 'textbox', name: '', value: 'value only' },
{ role: 'textbox', name: 'placeholder', value: 'and a value' },
{ role: 'textbox', name: 'This is a description!', value: 'and a value' }, // webkit uses the description over placeholder for the name
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]
};
expect(await page.accessibility.snapshot()).toEqual(golden);
});
it('should work with regular text', async ({ page, browserName }) => {
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await page.setContent(`<div>Hello World</div>`);
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual({
role: browserName === 'firefox' ? 'text leaf' : 'text',
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name: 'Hello World',
});
});
it('roledescription', async ({ page }) => {
await page.setContent('<p tabIndex=-1 aria-roledescription="foo">Hi</p>');
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const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0].roledescription).toEqual('foo');
});
it('orientation', async ({ page }) => {
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await page.setContent('<a href="" role="slider" aria-orientation="vertical">11</a>');
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0].orientation).toEqual('vertical');
});
it('autocomplete', async ({ page }) => {
await page.setContent('<div role="textbox" aria-autocomplete="list" aria-haspopup="menu">hi</div>');
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const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0].autocomplete).toEqual('list');
expect(snapshot.children[0].haspopup).toEqual('menu');
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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>');
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0].multiselectable).toEqual(true);
});
it('keyshortcuts', async ({ page }) => {
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await page.setContent('<div role="grid" tabIndex=-1 aria-keyshortcuts="foo">hey</div>');
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0].keyshortcuts).toEqual('foo');
});
it('should not report text nodes inside controls', async function({ page, browserName }) {
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await page.setContent(`
<div role="tablist">
<div role="tab" aria-selected="true"><b>Tab1</b></div>
<div role="tab">Tab2</div>
</div>`);
const golden = {
role: browserName === 'firefox' ? 'document' : 'WebArea',
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name: '',
children: [{
role: 'tab',
name: 'Tab1',
selected: true
}, {
role: 'tab',
name: 'Tab2'
}]
};
expect(await page.accessibility.snapshot()).toEqual(golden);
});
it('rich text editable fields should have children', async function({ page, browserName, browserVersion }) {
it.skip(browserName === 'webkit', 'WebKit rich text accessibility is iffy');
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await page.setContent(`
<div contenteditable="true">
Edit this image: <img src="fakeimage.png" alt="my fake image">
</div>`);
const golden = browserName === 'firefox' ? {
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role: 'section',
name: '',
children: [{
role: 'text leaf',
name: 'Edit this image: '
}, {
role: 'text',
name: 'my fake image'
}]
} : {
role: 'generic',
name: '',
value: 'Edit this image: ',
children: [{
role: 'text',
name: chromiumVersionLessThan(browserVersion, '108.0.5325.0') ? 'Edit this image:' : 'Edit this image: '
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}, {
role: 'img',
name: 'my fake image'
}]
};
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual(golden);
});
it('rich text editable fields with role should have children', async function({ page, browserName, browserMajorVersion, browserVersion }) {
it.skip(browserName === 'webkit', 'WebKit rich text accessibility is iffy');
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await page.setContent(`
<div contenteditable="true" role='textbox'>
Edit this image: <img src="fakeimage.png" alt="my fake image">
</div>`);
const golden = browserName === 'firefox' ? {
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role: 'textbox',
name: '',
value: 'Edit this image: my fake image',
children: [{
role: 'text',
name: 'my fake image'
}]
} : {
role: 'textbox',
name: '',
multiline: (browserName === 'chromium' && browserMajorVersion >= 92) ? true : undefined,
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value: 'Edit this image: ',
children: (chromiumVersionLessThan(browserVersion, '104.0.1293.1') && browserName === 'chromium') ? [{
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role: 'text',
name: 'Edit this image:'
}, {
role: 'img',
name: 'my fake image'
}] : [{
role: 'text',
name: chromiumVersionLessThan(browserVersion, '108.0.5325.0') ? 'Edit this image:' : 'Edit this image: '
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}]
};
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual(golden);
});
it('non editable textbox with role and tabIndex and label should not have children', async function({ page, browserName }) {
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await page.setContent(`
<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>`);
const golden = (browserName === 'firefox') ? {
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role: 'textbox',
name: 'my favorite textbox',
value: 'this is the inner content yo'
} : (browserName === 'chromium') ? {
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role: 'textbox',
name: 'my favorite textbox',
value: 'this is the inner content '
} : {
role: 'textbox',
name: 'my favorite textbox',
value: 'this is the inner content ',
};
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual(golden);
});
it('checkbox with and tabIndex and label should not have children', async function({ page }) {
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await page.setContent(`
<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>`);
const golden = {
role: 'checkbox',
name: 'my favorite checkbox',
checked: true
};
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual(golden);
});
it('checkbox without label should not have children', async ({ page, browserName }) => {
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await page.setContent(`
<div role="checkbox" aria-checked="true">
this is the inner content
<img alt="yo" src="fakeimg.png">
</div>`);
const golden = browserName === 'firefox' ? {
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role: 'checkbox',
name: 'this is the inner content yo',
checked: true
} : {
role: 'checkbox',
name: 'this is the inner content yo',
checked: true
};
const snapshot = await page.accessibility.snapshot();
expect(snapshot.children[0]).toEqual(golden);
});
it('should work a button', async ({ page }) => {
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await page.setContent(`<button>My Button</button>`);
const button = await page.$('button');
expect(await page.accessibility.snapshot({ root: button })).toEqual({
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role: 'button',
name: 'My Button'
});
});
it('should work an input', async ({ page }) => {
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await page.setContent(`<input title="My Input" value="My Value">`);
const input = await page.$('input');
expect(await page.accessibility.snapshot({ root: input })).toEqual({
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role: 'textbox',
name: 'My Input',
value: 'My Value'
});
});
it('should work on a menu', async ({ page, browserName, browserVersion }) => {
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await page.setContent(`
<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>
`);
const menu = await page.$('div[role="menu"]');
expect(await page.accessibility.snapshot({ root: menu })).toEqual({
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role: 'menu',
name: 'My Menu',
children:
[{ role: 'menuitem', name: 'First Item' },
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{ role: 'menuitem', name: 'Second Item' },
{ role: 'menuitem', name: 'Third Item' }],
orientation: (browserName === 'webkit' || (browserName === 'chromium' && !chromiumVersionLessThan(browserVersion, '98.0.1089'))) ? 'vertical' : undefined
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});
});
it('should return null when the element is no longer in DOM', async ({ page }) => {
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await page.setContent(`<button>My Button</button>`);
const button = await page.$('button');
await page.$eval('button', button => button.remove());
expect(await page.accessibility.snapshot({ root: button })).toEqual(null);
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});
it('should show uninteresting nodes', async ({ page }) => {
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await page.setContent(`
<div id="root" role="textbox">
<div>
hello
<div>
world
</div>
</div>
</div>
`);
const root = await page.$('#root');
const snapshot = await page.accessibility.snapshot({ root, interestingOnly: false });
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expect(snapshot.role).toBe('textbox');
expect(snapshot.value).toContain('hello');
expect(snapshot.value).toContain('world');
expect(!!snapshot.children).toBe(true);
});
it('should work when there is a title ', async ({ page }) => {
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await page.setContent(`
<title>This is the title</title>
<div>This is the content</div>
`);
const snapshot = await page.accessibility.snapshot();
expect(snapshot.name).toBe('This is the title');
expect(snapshot.children[0].name).toBe('This is the content');
});