playwright/test/emulation.spec.js

604 lines
27 KiB
JavaScript

/**
* 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.
*/
const utils = require('./utils');
const {FFOX, CHROMIUM, WEBKIT} = utils.testOptions(browserType);
const iPhone = playwright.devices['iPhone 6'];
const iPhoneLandscape = playwright.devices['iPhone 6 landscape'];
describe('BrowserContext({viewport})', function() {
it('should get the proper viewport size', async({page, server}) => {
expect(page.viewportSize()).toEqual({width: 1280, height: 720});
expect(await page.evaluate(() => window.innerWidth)).toBe(1280);
expect(await page.evaluate(() => window.innerHeight)).toBe(720);
});
it('should set the proper viewport size', async({page, server}) => {
expect(page.viewportSize()).toEqual({width: 1280, height: 720});
await page.setViewportSize({width: 123, height: 456});
expect(page.viewportSize()).toEqual({width: 123, height: 456});
expect(await page.evaluate(() => window.innerWidth)).toBe(123);
expect(await page.evaluate(() => window.innerHeight)).toBe(456);
});
it('should emulate device width', async({page, server}) => {
expect(page.viewportSize()).toEqual({width: 1280, height: 720});
await page.setViewportSize({width: 200, height: 200});
expect(await page.evaluate(() => window.screen.width)).toBe(200);
expect(await page.evaluate(() => matchMedia('(min-device-width: 100px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-width: 300px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 100px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 300px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-width: 500px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-width: 200px)').matches)).toBe(true);
await page.setViewportSize({width: 500, height: 500});
expect(await page.evaluate(() => window.screen.width)).toBe(500);
expect(await page.evaluate(() => matchMedia('(min-device-width: 400px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-width: 600px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 400px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-width: 600px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-width: 200px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-width: 500px)').matches)).toBe(true);
});
it('should emulate device height', async({page, server}) => {
expect(page.viewportSize()).toEqual({width: 1280, height: 720});
await page.setViewportSize({width: 200, height: 200});
expect(await page.evaluate(() => window.screen.height)).toBe(200);
expect(await page.evaluate(() => matchMedia('(min-device-height: 100px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-height: 300px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 100px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 300px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-height: 500px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-height: 200px)').matches)).toBe(true);
await page.setViewportSize({width: 500, height: 500});
expect(await page.evaluate(() => window.screen.height)).toBe(500);
expect(await page.evaluate(() => matchMedia('(min-device-height: 400px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(min-device-height: 600px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 400px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(max-device-height: 600px)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(device-height: 200px)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(device-height: 500px)').matches)).toBe(true);
});
it('should not have touch by default', async({page, server}) => {
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
await page.goto(server.PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('NO');
});
});
describe.skip(FFOX)('viewport.isMobile', () => {
// Firefox does not support isMobile.
it('should support mobile emulation', async({browser, server}) => {
const context = await browser.newContext({ ...iPhone });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
await page.setViewportSize({width: 400, height: 300});
expect(await page.evaluate(() => window.innerWidth)).toBe(400);
await context.close();
});
it('should support touch emulation', async({browser, server}) => {
const context = await browser.newContext({ ...iPhone });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
expect(await page.evaluate(dispatchTouch)).toBe('Received touch');
await context.close();
function dispatchTouch() {
let fulfill;
const promise = new Promise(x => fulfill = x);
window.ontouchstart = function(e) {
fulfill('Received touch');
};
window.dispatchEvent(new Event('touchstart'));
fulfill('Did not receive touch');
return promise;
}
});
it('should be detectable by Modernizr', async({browser, server}) => {
const context = await browser.newContext({ ...iPhone });
const page = await context.newPage();
await page.goto(server.PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('YES');
await context.close();
});
it('should detect touch when applying viewport with touches', async({browser, server}) => {
const context = await browser.newContext({ viewport: { width: 800, height: 600 }, hasTouch: true });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
await page.addScriptTag({url: server.PREFIX + '/modernizr.js'});
expect(await page.evaluate(() => Modernizr.touchevents)).toBe(true);
await context.close();
});
it('should support landscape emulation', async({browser, server}) => {
const context1 = await browser.newContext({ ...iPhone });
const page1 = await context1.newPage();
await page1.goto(server.PREFIX + '/mobile.html');
expect(await page1.evaluate(() => matchMedia('(orientation: landscape)').matches)).toBe(false);
const context2 = await browser.newContext({ ...iPhoneLandscape });
const page2 = await context2.newPage();
expect(await page2.evaluate(() => matchMedia('(orientation: landscape)').matches)).toBe(true);
await context1.close();
await context2.close();
});
it('should support window.orientation emulation', async({browser, server}) => {
const context = await browser.newContext({ viewport: { width: 300, height: 400 }, isMobile: true });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.orientation)).toBe(0);
await page.setViewportSize({width: 400, height: 300});
expect(await page.evaluate(() => window.orientation)).toBe(90);
await context.close();
});
it('should fire orientationchange event', async({browser, server}) => {
const context = await browser.newContext({ viewport: { width: 300, height: 400 }, isMobile: true });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
await page.evaluate(() => {
window.counter = 0;
window.addEventListener('orientationchange', () => console.log(++window.counter));
});
const event1 = page.waitForEvent('console');
await page.setViewportSize({width: 400, height: 300});
expect((await event1).text()).toBe('1');
const event2 = page.waitForEvent('console');
await page.setViewportSize({width: 300, height: 400});
expect((await event2).text()).toBe('2');
await context.close();
});
it('default mobile viewports to 980 width', async({browser, server}) => {
const context = await browser.newContext({ viewport: {width: 320, height: 480 }, isMobile: true });
const page = await context.newPage();
await page.goto(server.PREFIX + '/empty.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(980);
await context.close();
});
it('respect meta viewport tag', async({browser, server}) => {
const context = await browser.newContext({ viewport: {width: 320, height: 480 }, isMobile: true });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(320);
await context.close();
});
});
describe.skip(FFOX)('Page.emulate', function() {
it('should work', async({browser, server}) => {
const context = await browser.newContext({ ...iPhone });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
expect(await page.evaluate(() => navigator.userAgent)).toContain('iPhone');
await context.close();
});
it('should support clicking', async({browser, server}) => {
const context = await browser.newContext({ ...iPhone });
const page = await context.newPage();
await page.goto(server.PREFIX + '/input/button.html');
const button = await page.$('button');
await page.evaluate(button => button.style.marginTop = '200px', button);
await button.click();
expect(await page.evaluate(() => result)).toBe('Clicked');
await context.close();
});
});
describe('Page.emulateMedia type', function() {
it('should work', async({page, server}) => {
expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(false);
await page.emulateMedia({ media: 'print' });
expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(true);
await page.emulateMedia({});
expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(true);
await page.emulateMedia({ media: '' });
expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(false);
});
it('should throw in case of bad type argument', async({page, server}) => {
let error = null;
await page.emulateMedia({ media: 'bad' }).catch(e => error = e);
expect(error.message).toBe('Unsupported media: bad');
});
});
describe('Page.emulateMedia colorScheme', function() {
it('should work', async({page, server}) => {
await page.emulateMedia({ colorScheme: 'light' });
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(false);
await page.emulateMedia({ colorScheme: 'dark' });
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(false);
if (!WEBKIT) {
// WebKit will always provide the value.
await page.emulateMedia({ colorScheme: 'no-preference' });
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(true);
}
});
it('should default to light', async({page, server}) => {
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(false);
await page.emulateMedia({ colorScheme: 'dark' });
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(false);
await page.emulateMedia({ colorScheme: null });
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches)).toBe(false);
});
it('should throw in case of bad argument', async({page, server}) => {
let error = null;
await page.emulateMedia({ colorScheme: 'bad' }).catch(e => error = e);
expect(error.message).toBe('Unsupported color scheme: bad');
});
it('should work during navigation', async({page, server}) => {
await page.emulateMedia({ colorScheme: 'light' });
const navigated = page.goto(server.EMPTY_PAGE);
for (let i = 0; i < 9; i++) {
await Promise.all([
page.emulateMedia({ colorScheme: ['dark', 'light'][i & 1] }),
new Promise(f => setTimeout(f, 1)),
]);
}
await navigated;
expect(await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(true);
});
it('should work in popup', async({browser, server}) => {
{
const context = await browser.newContext({ colorScheme: 'dark' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
expect(await popup.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(false);
expect(await popup.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(true);
await context.close();
}
{
const page = await browser.newPage({ colorScheme: 'light' });
await page.goto(server.EMPTY_PAGE);
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
expect(await popup.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches)).toBe(true);
expect(await popup.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(false);
await page.close();
}
});
it('should work in cross-process iframe', async({browser, server}) => {
const page = await browser.newPage({ colorScheme: 'dark' });
await page.goto(server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame1', server.CROSS_PROCESS_PREFIX + '/empty.html');
const frame = page.frames()[1];
expect(await frame.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches)).toBe(true);
await page.close();
});
});
describe('BrowserContext({timezoneId})', function() {
it('should work', async ({ browser }) => {
const func = () => new Date(1479579154987).toString();
{
const context = await browser.newContext({ timezoneId: 'America/Jamaica' });
const page = await context.newPage();
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 13:12:34 GMT-0500 (Eastern Standard Time)');
await context.close();
}
{
const context = await browser.newContext({ timezoneId: 'Pacific/Honolulu' });
const page = await context.newPage();
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 08:12:34 GMT-1000 (Hawaii-Aleutian Standard Time)');
await context.close();
}
{
const context = await browser.newContext({ timezoneId: 'America/Buenos_Aires' });
const page = await context.newPage();
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 15:12:34 GMT-0300 (Argentina Standard Time)');
await context.close();
}
{
const context = await browser.newContext({ timezoneId: 'Europe/Berlin' });
const page = await context.newPage();
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 19:12:34 GMT+0100 (Central European Standard Time)');
await context.close();
}
});
it('should throw for invalid timezone IDs when creating pages', async({browser}) => {
for (const timezoneId of ['Foo/Bar', 'Baz/Qux']) {
let error = null;
const context = await browser.newContext({ timezoneId });
const page = await context.newPage().catch(e => error = e);
expect(error.message).toBe(`Invalid timezone ID: ${timezoneId}`);
await context.close();
}
});
it('should work for multiple pages sharing same process', async({browser, server}) => {
const context = await browser.newContext({ timezoneId: 'Europe/Moscow' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
let [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
[popup] = await Promise.all([
popup.waitForEvent('popup'),
popup.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
await context.close();
});
});
describe('BrowserContext({locale})', function() {
it('should affect accept-language header', async({browser, server}) => {
const context = await browser.newContext({ locale: 'fr-CH' });
const page = await context.newPage();
const [request] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(server.EMPTY_PAGE),
]);
expect(request.headers['accept-language'].substr(0, 5)).toBe('fr-CH');
await context.close();
});
it('should affect navigator.language', async({browser, server}) => {
const context = await browser.newContext({ locale: 'fr-CH' });
const page = await context.newPage();
expect(await page.evaluate(() => navigator.language)).toBe('fr-CH');
await context.close();
});
it('should format number', async({browser, server}) => {
{
const context = await browser.newContext({ locale: 'en-US' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
expect(await page.evaluate(() => (1000000.50).toLocaleString())).toBe('1,000,000.5');
await context.close();
}
{
const context = await browser.newContext({ locale: 'fr-CH' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
expect(await page.evaluate(() => (1000000.50).toLocaleString().replace(/\s/g, ' '))).toBe('1 000 000,5');
await context.close();
}
});
it('should format date', async({browser, server}) => {
{
const context = await browser.newContext({ locale: 'en-US', timezoneId: 'America/Los_Angeles' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
const formatted = 'Sat Nov 19 2016 10:12:34 GMT-0800 (Pacific Standard Time)';
expect(await page.evaluate(() => new Date(1479579154987).toString())).toBe(formatted);
await context.close();
}
{
const context = await browser.newContext({ locale: 'de-DE', timezoneId: 'Europe/Berlin' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
expect(await page.evaluate(() => new Date(1479579154987).toString())).toBe(
'Sat Nov 19 2016 19:12:34 GMT+0100 (Mitteleuropäische Normalzeit)');
await context.close();
}
});
it('should format number in popups', async({browser, server}) => {
const context = await browser.newContext({ locale: 'fr-CH' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => window._popup = window.open(url), server.PREFIX + '/formatted-number.html'),
]);
await popup.waitForLoadState('domcontentloaded');
const result = await popup.evaluate(() => window.result);
expect(result).toBe('1 000 000,5');
await context.close();
});
it('should affect navigator.language in popups', async({browser, server}) => {
const context = await browser.newContext({ locale: 'fr-CH' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => window._popup = window.open(url), server.PREFIX + '/formatted-number.html'),
]);
await popup.waitForLoadState('domcontentloaded');
const result = await popup.evaluate(() => window.initialNavigatorLanguage);
expect(result).toBe('fr-CH');
await context.close();
});
it('should work for multiple pages sharing same process', async({browser, server}) => {
const context = await browser.newContext({ locale: 'ru-RU' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
let [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
[popup] = await Promise.all([
popup.waitForEvent('popup'),
popup.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
await context.close();
});
});
describe('focus', function() {
it('should think that it is focused by default', async({page}) => {
expect(await page.evaluate('document.hasFocus()')).toBe(true);
});
it('should think that all pages are focused', async({page}) => {
const page2 = await page.context().newPage();
expect(await page.evaluate('document.hasFocus()')).toBe(true);
expect(await page2.evaluate('document.hasFocus()')).toBe(true);
await page2.close();
});
it('should focus popups by default', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(url => { window.open(url); }, server.EMPTY_PAGE),
]);
expect(await popup.evaluate('document.hasFocus()')).toBe(true);
expect(await page.evaluate('document.hasFocus()')).toBe(true);
});
it('should provide target for keyboard events', async({page, server}) => {
const page2 = await page.context().newPage();
await Promise.all([
page.goto(server.PREFIX + '/input/textarea.html'),
page2.goto(server.PREFIX + '/input/textarea.html'),
]);
await Promise.all([
page.focus('input'),
page2.focus('input'),
]);
const text = 'first';
const text2 = 'second';
await Promise.all([
page.keyboard.type(text),
page2.keyboard.type(text2),
]);
const results = await Promise.all([
page.evaluate('result'),
page2.evaluate('result'),
]);
expect(results).toEqual([text, text2]);
});
it('should not affect mouse event target page', async({page, server}) => {
const page2 = await page.context().newPage();
function clickCounter() {
document.onclick = () => window.clickCount = (window.clickCount || 0) + 1;
}
await Promise.all([
page.evaluate(clickCounter),
page2.evaluate(clickCounter),
page.focus('body'),
page2.focus('body'),
]);
await Promise.all([
page.mouse.click(1, 1),
page2.mouse.click(1, 1),
]);
const counters = await Promise.all([
page.evaluate('window.clickCount'),
page2.evaluate('window.clickCount'),
]);
expect(counters ).toEqual([1,1]);
});
it('should change document.activeElement', async({page, server}) => {
const page2 = await page.context().newPage();
await Promise.all([
page.goto(server.PREFIX + '/input/textarea.html'),
page2.goto(server.PREFIX + '/input/textarea.html'),
]);
await Promise.all([
page.focus('input'),
page2.focus('textarea'),
]);
const active = await Promise.all([
page.evaluate('document.activeElement.tagName'),
page2.evaluate('document.activeElement.tagName'),
]);
expect(active).toEqual(['INPUT', 'TEXTAREA']);
});
it('should not affect screenshots', async({page, server, golden}) => {
const page2 = await page.context().newPage();
await Promise.all([
page.setViewportSize({width: 500, height: 500}),
page.goto(server.PREFIX + '/grid.html'),
page2.setViewportSize({width: 50, height: 50}),
page2.goto(server.PREFIX + '/grid.html'),
]);
await Promise.all([
page.focus('body'),
page2.focus('body'),
]);
const screenshots = await Promise.all([
page.screenshot(),
page2.screenshot(),
]);
expect(screenshots[0]).toBeGolden(golden('screenshot-sanity.png'));
expect(screenshots[1]).toBeGolden(golden('grid-cell-0.png'));
});
it('should change focused iframe', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const [frame1, frame2] = await Promise.all([
utils.attachFrame(page, 'frame1', server.PREFIX + '/input/textarea.html'),
utils.attachFrame(page, 'frame2', server.PREFIX + '/input/textarea.html'),
]);
function logger() {
self._events = [];
const element = document.querySelector('input');
element.onfocus = element.onblur = (e) => self._events.push(e.type);
}
await Promise.all([
frame1.evaluate(logger),
frame2.evaluate(logger),
]);
const focused = await Promise.all([
frame1.evaluate('document.hasFocus()'),
frame2.evaluate('document.hasFocus()'),
]);
expect(focused).toEqual([false, false]);
{
await frame1.focus('input');
const events = await Promise.all([
frame1.evaluate('self._events'),
frame2.evaluate('self._events'),
]);
expect(events).toEqual([['focus'], []]);
const focused = await Promise.all([
frame1.evaluate('document.hasFocus()'),
frame2.evaluate('document.hasFocus()'),
]);
expect(focused).toEqual([true, false]);
}
{
await frame2.focus('input');
const events = await Promise.all([
frame1.evaluate('self._events'),
frame2.evaluate('self._events'),
]);
expect(events).toEqual([['focus', 'blur'], ['focus']]);
const focused = await Promise.all([
frame1.evaluate('document.hasFocus()'),
frame2.evaluate('document.hasFocus()'),
]);
expect(focused).toEqual([false, true]);
}
});
});