playwright/test/focus.spec.ts

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/**
* Copyright Microsoft Corporation. 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.
*/
import { it, expect } from './fixtures';
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it('should work', (test, { browserName }) => {
test.skip(browserName === 'firefox');
}, async function({page}) {
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await page.setContent(`<div id=d1 tabIndex=0></div>`);
expect(await page.evaluate(() => document.activeElement.nodeName)).toBe('BODY');
await page.focus('#d1');
expect(await page.evaluate(() => document.activeElement.id)).toBe('d1');
});
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it('should emit focus event', async function({page}) {
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await page.setContent(`<div id=d1 tabIndex=0></div>`);
let focused = false;
await page.exposeFunction('focusEvent', () => focused = true);
await page.$eval('#d1', d1 => d1.addEventListener('focus', window['focusEvent']));
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await page.focus('#d1');
expect(focused).toBe(true);
});
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it('should emit blur event', async function({page}) {
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await page.setContent(`<div id=d1 tabIndex=0>DIV1</div><div id=d2 tabIndex=0>DIV2</div>`);
await page.focus('#d1');
let focused = false;
let blurred = false;
await page.exposeFunction('focusEvent', () => focused = true);
await page.exposeFunction('blurEvent', () => blurred = true);
await page.$eval('#d1', d1 => d1.addEventListener('blur', window['blurEvent']));
await page.$eval('#d2', d2 => d2.addEventListener('focus', window['focusEvent']));
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await page.focus('#d2');
expect(focused).toBe(true);
expect(blurred).toBe(true);
});
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it('should traverse focus', async function({page}) {
await page.setContent(`<input id="i1"><input id="i2">`);
let focused = false;
await page.exposeFunction('focusEvent', () => focused = true);
await page.$eval('#i2', i2 => (i2 as HTMLInputElement).addEventListener('focus', window['focusEvent']));
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await page.focus('#i1');
await page.keyboard.type('First');
await page.keyboard.press('Tab');
await page.keyboard.type('Last');
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expect(focused).toBe(true);
expect(await page.$eval('#i1', e => (e as HTMLInputElement).value)).toBe('First');
expect(await page.$eval('#i2', e => (e as HTMLInputElement).value)).toBe('Last');
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});
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it('should traverse focus in all directions', async function({page}) {
await page.setContent(`<input value="1"><input value="2"><input value="3">`);
await page.keyboard.press('Tab');
expect(await page.evaluate(() => (document.activeElement as HTMLInputElement).value)).toBe('1');
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await page.keyboard.press('Tab');
expect(await page.evaluate(() => (document.activeElement as HTMLInputElement).value)).toBe('2');
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await page.keyboard.press('Tab');
expect(await page.evaluate(() => (document.activeElement as HTMLInputElement).value)).toBe('3');
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await page.keyboard.press('Shift+Tab');
expect(await page.evaluate(() => (document.activeElement as HTMLInputElement).value)).toBe('2');
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await page.keyboard.press('Shift+Tab');
expect(await page.evaluate(() => (document.activeElement as HTMLInputElement).value)).toBe('1');
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});
it('should traverse only form elements', (test, { browserName, platform }) => {
test.skip(platform !== 'darwin' || browserName !== 'webkit',
'Chromium and WebKit both have settings for tab traversing all links, but it is only on by default in WebKit.');
}, async function({page}) {
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await page.setContent(`
<input id="input-1">
<button id="button">buttton</button>
<a href id="link">link</a>
<input id="input-2">
`);
await page.keyboard.press('Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('input-1');
await page.keyboard.press('Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('input-2');
await page.keyboard.press('Shift+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('input-1');
await page.keyboard.press('Alt+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('button');
await page.keyboard.press('Alt+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('link');
await page.keyboard.press('Alt+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('input-2');
await page.keyboard.press('Alt+Shift+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('link');
await page.keyboard.press('Alt+Shift+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('button');
await page.keyboard.press('Alt+Shift+Tab');
expect(await page.evaluate(() => document.activeElement.id)).toBe('input-1');
});
it('clicking checkbox should activate it', (test, { browserName, headful, platform }) => {
test.fixme(browserName === 'webkit' && !headful);
test.fixme(browserName === 'firefox' && !headful && platform === 'darwin');
}, async ({ page }) => {
await page.setContent(`<input type=checkbox></input>`);
await page.click('input');
const nodeName = await page.evaluate(() => document.activeElement.nodeName);
expect(nodeName).toBe('INPUT');
});