mirror of
https://github.com/puppeteer/puppeteer
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416 lines
14 KiB
JavaScript
416 lines
14 KiB
JavaScript
/**
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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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const expect = require('expect');
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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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describe('Emulation', () => {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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let iPhone;
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let iPhoneLandscape;
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before(() => {
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const { puppeteer } = getTestState();
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iPhone = puppeteer.devices['iPhone 6'];
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iPhoneLandscape = puppeteer.devices['iPhone 6 landscape'];
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});
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describe('Page.viewport', function () {
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it('should get the proper viewport size', async () => {
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const { page } = getTestState();
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expect(page.viewport()).toEqual({ width: 800, height: 600 });
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await page.setViewport({ width: 123, height: 456 });
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expect(page.viewport()).toEqual({ width: 123, height: 456 });
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});
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it('should support mobile emulation', async () => {
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const { page, server } = getTestState();
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await page.goto(server.PREFIX + '/mobile.html');
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expect(await page.evaluate(() => window.innerWidth)).toBe(800);
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await page.setViewport(iPhone.viewport);
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expect(await page.evaluate(() => window.innerWidth)).toBe(375);
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await page.setViewport({ width: 400, height: 300 });
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expect(await page.evaluate(() => window.innerWidth)).toBe(400);
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});
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itFailsFirefox('should support touch emulation', async () => {
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const { page, server } = getTestState();
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await page.goto(server.PREFIX + '/mobile.html');
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expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
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await page.setViewport(iPhone.viewport);
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expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
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expect(await page.evaluate(dispatchTouch)).toBe('Received touch');
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await page.setViewport({ width: 100, height: 100 });
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expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
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function dispatchTouch() {
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let fulfill;
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const promise = new Promise((x) => (fulfill = x));
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window.ontouchstart = function (e) {
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fulfill('Received touch');
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};
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window.dispatchEvent(new Event('touchstart'));
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fulfill('Did not receive touch');
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return promise;
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}
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});
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itFailsFirefox('should be detectable by Modernizr', async () => {
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const { page, server } = getTestState();
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await page.goto(server.PREFIX + '/detect-touch.html');
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expect(await page.evaluate(() => document.body.textContent.trim())).toBe(
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'NO'
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);
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await page.setViewport(iPhone.viewport);
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await page.goto(server.PREFIX + '/detect-touch.html');
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expect(await page.evaluate(() => document.body.textContent.trim())).toBe(
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'YES'
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);
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});
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itFailsFirefox(
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'should detect touch when applying viewport with touches',
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async () => {
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const { page, server } = getTestState();
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await page.setViewport({ width: 800, height: 600, hasTouch: true });
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await page.addScriptTag({ url: server.PREFIX + '/modernizr.js' });
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expect(await page.evaluate(() => Modernizr.touchevents)).toBe(true);
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}
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);
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itFailsFirefox('should support landscape emulation', async () => {
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const { page, server } = getTestState();
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await page.goto(server.PREFIX + '/mobile.html');
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expect(await page.evaluate(() => screen.orientation.type)).toBe(
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'portrait-primary'
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);
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await page.setViewport(iPhoneLandscape.viewport);
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expect(await page.evaluate(() => screen.orientation.type)).toBe(
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'landscape-primary'
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);
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await page.setViewport({ width: 100, height: 100 });
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expect(await page.evaluate(() => screen.orientation.type)).toBe(
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'portrait-primary'
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);
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});
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});
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describe('Page.emulate', function () {
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it('should work', async () => {
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const { page, server } = getTestState();
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await page.goto(server.PREFIX + '/mobile.html');
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await page.emulate(iPhone);
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expect(await page.evaluate(() => window.innerWidth)).toBe(375);
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expect(await page.evaluate(() => navigator.userAgent)).toContain(
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'iPhone'
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);
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});
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it('should support clicking', async () => {
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const { page, server } = getTestState();
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await page.emulate(iPhone);
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await page.goto(server.PREFIX + '/input/button.html');
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const button = await page.$('button');
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await page.evaluate(
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(button) => (button.style.marginTop = '200px'),
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button
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);
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await button.click();
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expect(await page.evaluate(() => result)).toBe('Clicked');
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});
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});
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describe('Page.emulateMedia [deprecated]', function () {
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/* emulateMedia is deprecated in favour of emulateMediaType but we
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* don't want to remove it from Puppeteer just yet. We can't check
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* that emulateMedia === emulateMediaType because when running tests
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* with COVERAGE=1 the methods get rewritten. So instead we
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* duplicate the tests for emulateMediaType and ensure they pass
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* when calling the deprecated emulateMedia method.
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*
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* If you update these tests, you should update emulateMediaType's
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* tests, and vice-versa.
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*/
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itFailsFirefox('should work', async () => {
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const { page } = getTestState();
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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true
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(
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false
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);
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await page.emulateMedia('print');
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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false
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(true);
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await page.emulateMedia(null);
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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true
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(
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false
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);
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});
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it('should throw in case of bad argument', async () => {
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const { page } = getTestState();
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let error = null;
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await page.emulateMedia('bad').catch((error_) => (error = error_));
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expect(error.message).toBe('Unsupported media type: bad');
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});
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});
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describe('Page.emulateMediaType', function () {
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/* NOTE! Updating these tests? Update the emulateMedia tests above
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* too (and see the big comment for why we have these duplicated).
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*/
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itFailsFirefox('should work', async () => {
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const { page } = getTestState();
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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true
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(
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false
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);
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await page.emulateMediaType('print');
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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false
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(true);
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await page.emulateMediaType(null);
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expect(await page.evaluate(() => matchMedia('screen').matches)).toBe(
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true
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);
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expect(await page.evaluate(() => matchMedia('print').matches)).toBe(
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false
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);
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});
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it('should throw in case of bad argument', async () => {
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const { page } = getTestState();
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let error = null;
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await page.emulateMediaType('bad').catch((error_) => (error = error_));
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expect(error.message).toBe('Unsupported media type: bad');
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});
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});
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describe('Page.emulateMediaFeatures', function () {
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itFailsFirefox('should work', async () => {
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const { page } = getTestState();
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await page.emulateMediaFeatures([
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{ name: 'prefers-reduced-motion', value: 'reduce' },
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]);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-reduced-motion: reduce)').matches
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)
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).toBe(true);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-reduced-motion: no-preference)').matches
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)
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).toBe(false);
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await page.emulateMediaFeatures([
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{ name: 'prefers-color-scheme', value: 'light' },
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]);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: light)').matches
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)
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).toBe(true);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: dark)').matches
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)
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).toBe(false);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: no-preference)').matches
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)
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).toBe(false);
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await page.emulateMediaFeatures([
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{ name: 'prefers-color-scheme', value: 'dark' },
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]);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: dark)').matches
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)
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).toBe(true);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: light)').matches
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)
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).toBe(false);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: no-preference)').matches
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)
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).toBe(false);
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await page.emulateMediaFeatures([
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{ name: 'prefers-reduced-motion', value: 'reduce' },
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{ name: 'prefers-color-scheme', value: 'light' },
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]);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-reduced-motion: reduce)').matches
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)
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).toBe(true);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-reduced-motion: no-preference)').matches
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)
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).toBe(false);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: light)').matches
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)
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).toBe(true);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: dark)').matches
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)
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).toBe(false);
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expect(
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await page.evaluate(
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() => matchMedia('(prefers-color-scheme: no-preference)').matches
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)
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).toBe(false);
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});
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it('should throw in case of bad argument', async () => {
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const { page } = getTestState();
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let error = null;
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await page
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.emulateMediaFeatures([{ name: 'bad', value: '' }])
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.catch((error_) => (error = error_));
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expect(error.message).toBe('Unsupported media feature: bad');
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});
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});
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describeFailsFirefox('Page.emulateTimezone', function () {
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it('should work', async () => {
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const { page } = getTestState();
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page.evaluate(() => {
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globalThis.date = new Date(1479579154987);
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});
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await page.emulateTimezone('America/Jamaica');
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expect(await page.evaluate(() => date.toString())).toBe(
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'Sat Nov 19 2016 13:12:34 GMT-0500 (Eastern Standard Time)'
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);
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await page.emulateTimezone('Pacific/Honolulu');
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expect(await page.evaluate(() => date.toString())).toBe(
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'Sat Nov 19 2016 08:12:34 GMT-1000 (Hawaii-Aleutian Standard Time)'
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);
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await page.emulateTimezone('America/Buenos_Aires');
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expect(await page.evaluate(() => date.toString())).toBe(
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'Sat Nov 19 2016 15:12:34 GMT-0300 (Argentina Standard Time)'
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);
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await page.emulateTimezone('Europe/Berlin');
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expect(await page.evaluate(() => date.toString())).toBe(
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'Sat Nov 19 2016 19:12:34 GMT+0100 (Central European Standard Time)'
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);
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});
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it('should throw for invalid timezone IDs', async () => {
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const { page } = getTestState();
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let error = null;
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await page.emulateTimezone('Foo/Bar').catch((error_) => (error = error_));
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expect(error.message).toBe('Invalid timezone ID: Foo/Bar');
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await page.emulateTimezone('Baz/Qux').catch((error_) => (error = error_));
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expect(error.message).toBe('Invalid timezone ID: Baz/Qux');
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});
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});
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describeFailsFirefox('Page.emulateVisionDeficiency', function () {
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it('should work', async () => {
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const { page, server } = getTestState();
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await page.setViewport({ width: 500, height: 500 });
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await page.goto(server.PREFIX + '/grid.html');
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{
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await page.emulateVisionDeficiency('none');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('screenshot-sanity.png');
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}
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{
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await page.emulateVisionDeficiency('achromatopsia');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('vision-deficiency-achromatopsia.png');
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}
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{
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await page.emulateVisionDeficiency('blurredVision');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('vision-deficiency-blurredVision.png');
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}
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{
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await page.emulateVisionDeficiency('deuteranopia');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('vision-deficiency-deuteranopia.png');
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}
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{
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await page.emulateVisionDeficiency('protanopia');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('vision-deficiency-protanopia.png');
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}
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{
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await page.emulateVisionDeficiency('tritanopia');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('vision-deficiency-tritanopia.png');
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}
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{
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await page.emulateVisionDeficiency('none');
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const screenshot = await page.screenshot();
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expect(screenshot).toBeGolden('screenshot-sanity.png');
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}
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});
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it('should throw for invalid vision deficiencies', async () => {
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const { page } = getTestState();
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let error = null;
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await page
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.emulateVisionDeficiency('invalid')
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.catch((error_) => (error = error_));
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expect(error.message).toBe('Unsupported vision deficiency: invalid');
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});
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});
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});
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