playwright/test/emulation.spec.js

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/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
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*
* 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.
*/
/**
* @type {PageTestSuite}
*/
module.exports.describe = function({testRunner, expect, playwright, headless, FFOX, CHROMIUM, WEBKIT, MAC, WIN}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, dit} = testRunner;
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const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
const iPhone = playwright.devices['iPhone 6'];
const iPhoneLandscape = playwright.devices['iPhone 6 landscape'];
describe('Page.viewport', function() {
it('should get the proper viewport size', async({page, server}) => {
expect(page.viewportSize()).toEqual({width: 800, height: 600});
await page.setViewportSize({width: 123, height: 456});
expect(page.viewportSize()).toEqual({width: 123, height: 456});
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});
it('should support mobile emulation', async({newContext, server}) => {
const context = await newContext({ viewport: iPhone.viewport });
const page = await context.newPage();
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await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
await page.setViewportSize({width: 400, height: 300});
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expect(await page.evaluate(() => window.innerWidth)).toBe(400);
});
it('should not have touch by default', async({page, server}) => {
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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');
});
it('should support touch emulation', async({newContext, server}) => {
const context = await newContext({ viewport: iPhone.viewport });
const page = await context.newPage();
await page.goto(server.PREFIX + '/mobile.html');
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expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
expect(await page.evaluate(dispatchTouch)).toBe('Received touch');
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({newContext, server}) => {
const context = await newContext({ viewport: iPhone.viewport });
const page = await context.newPage();
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await page.goto(server.PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('YES');
});
it('should detect touch when applying viewport with touches', async({newContext, server}) => {
const context = await newContext({ viewport: { width: 800, height: 600, isMobile: true } });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
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await page.addScriptTag({url: server.PREFIX + '/modernizr.js'});
expect(await page.evaluate(() => Modernizr.touchevents)).toBe(true);
});
it.skip(FFOX)('should support landscape emulation', async({newContext, server}) => {
const context1 = await newContext({ viewport: iPhone.viewport });
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 newContext({ viewport: iPhoneLandscape.viewport });
const page2 = await context2.newPage();
expect(await page2.evaluate(() => matchMedia('(orientation: landscape)').matches)).toBe(true);
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});
it.skip(FFOX || WEBKIT)('should fire orientationchange event', async({newContext, server}) => {
const context = await 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');
});
it.skip(FFOX)('default mobile viewports to 980 width', async({newContext, server}) => {
const context = await 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);
});
it.skip(FFOX)('respect meta viewport tag', async({newContext, server}) => {
const context = await 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);
});
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});
describe('Page.emulate', function() {
it('should work', async({newPage, server}) => {
const page = await newPage({ viewport: iPhone.viewport, userAgent: iPhone.userAgent });
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await page.goto(server.PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
expect(await page.evaluate(() => navigator.userAgent)).toContain('iPhone');
});
it('should support clicking', async({newPage, server}) => {
const page = await newPage({ viewport: iPhone.viewport, userAgent: iPhone.userAgent });
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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');
});
});
describe('Page.emulateMedia type', function() {
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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' });
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(false);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(true);
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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: '' });
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(true);
expect(await page.evaluate(() => matchMedia('print').matches)).toBe(false);
});
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it('should throw in case of bad type argument', async({page, server}) => {
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let error = null;
await page.emulateMedia({ media: 'bad' }).catch(e => error = e);
expect(error.message).toBe('Unsupported media: bad');
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});
});
describe('Page.emulateMedia colorScheme', function() {
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it('should work', async({page, server}) => {
await page.emulateMedia({ colorScheme: 'light' });
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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' });
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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);
}
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});
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');
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});
it.skip(FFOX)('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);
});
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});
describe.skip(FFOX)('BrowserContext({timezoneId})', function() {
it('should work', async ({ newPage }) => {
const func = () => new Date(1479579154987).toString();
{
const page = await newPage({ timezoneId: 'America/Jamaica' });
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 13:12:34 GMT-0500 (Eastern Standard Time)');
}
{
const page = await newPage({ timezoneId: 'Pacific/Honolulu' });
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 08:12:34 GMT-1000 (Hawaii-Aleutian Standard Time)');
}
{
const page = await newPage({ timezoneId: 'America/Buenos_Aires' });
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 15:12:34 GMT-0300 (Argentina Standard Time)');
}
{
const page = await newPage({ timezoneId: 'Europe/Berlin' });
expect(await page.evaluate(func)).toBe('Sat Nov 19 2016 19:12:34 GMT+0100 (Central European Standard Time)');
}
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});
it('should throw for invalid timezone IDs', async({newPage}) => {
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let error = null;
await newPage({ timezoneId: 'Foo/Bar' }).catch(e => error = e);
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expect(error.message).toBe('Invalid timezone ID: Foo/Bar');
await newPage({ timezoneId: 'Baz/Qux' }).catch(e => error = e);
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expect(error.message).toBe('Invalid timezone ID: Baz/Qux');
});
});
describe.skip(CHROMIUM || FFOX)('BrowserContext({language})', function() {
it('should affect accept-language header', async({newPage, server}) => {
const page = await newPage({ locale: 'fr-CH' });
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');
});
it('should affect navigator.language', async({newPage, server}) => {
const page = await newPage({ locale: 'fr-CH' });
expect(await page.evaluate(() => navigator.language)).toBe('fr-CH');
});
it('should format number', async({newPage, server}) => {
{
const page = await newPage();
await page.goto(server.EMPTY_PAGE);
expect(await page.evaluate(() => (1000000.50).toLocaleString())).toBe('1,000,000.5');
}
{
const page = await newPage({ locale: 'fr-CH' });
await page.goto(server.EMPTY_PAGE);
const formatted = MAC ? '1\u00A0000\u00A0000,5' : '1\u202F000\u202F000,5';
expect(await page.evaluate(() => (1000000.50).toLocaleString())).toBe(formatted);
}
});
it('should format date', async({newPage, server}) => {
{
const page = await newPage();
await page.goto(server.EMPTY_PAGE);
const formatted = WIN ? 'Sat Nov 19 2016 10:12:34 GMT-0800 (Pacific Standard Time)' : 'Sat Nov 19 2016 10:12:34 GMT-0800 (PST)';
expect(await page.evaluate(() => new Date(1479579154987).toString())).toBe(formatted);
}
{
const page = await newPage({ locale: 'de-de', timezoneId: 'Europe/Berlin' });
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)');
}
});
});
describe('focus', function() {
it.skip(!headless)('should think that it is focused by default', async({page}) => {
expect(await page.evaluate('document.hasFocus()')).toBe(true);
});
});
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};