Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use prepareBrowserContextParams method in Playwright Internal

Best JavaScript code snippet using playwright-internal

browserContext.js

Source:browserContext.js

...341    await this._channel.recorderSupplementEnable(params);342  }343}344exports.BrowserContext = BrowserContext;345async function prepareBrowserContextParams(options) {346  if (options.videoSize && !options.videosPath) throw new Error(`"videoSize" option requires "videosPath" to be specified`);347  if (options.extraHTTPHeaders) network.validateHeaders(options.extraHTTPHeaders);348  const contextParams = { ...options,349    viewport: options.viewport === null ? undefined : options.viewport,350    noDefaultViewport: options.viewport === null,351    extraHTTPHeaders: options.extraHTTPHeaders ? (0, _utils.headersObjectToArray)(options.extraHTTPHeaders) : undefined,352    storageState: typeof options.storageState === 'string' ? JSON.parse(await _fs.default.promises.readFile(options.storageState, 'utf8')) : options.storageState353  };354  if (!contextParams.recordVideo && options.videosPath) {355    contextParams.recordVideo = {356      dir: options.videosPath,357      size: options.videoSize358    };359  }...

browser.js

Source:browser.js

1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.Browser = void 0;6var _browserContext = require("./browserContext");7var _channelOwner = require("./channelOwner");8var _events = require("./events");9var _errors = require("../utils/errors");10var _cdpSession = require("./cdpSession");11/**12 * Copyright (c) Microsoft Corporation.13 *14 * Licensed under the Apache License, Version 2.0 (the "License");15 * you may not use this file except in compliance with the License.16 * You may obtain a copy of the License at17 *18 * http://www.apache.org/licenses/LICENSE-2.019 *20 * Unless required by applicable law or agreed to in writing, software21 * distributed under the License is distributed on an "AS IS" BASIS,22 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.23 * See the License for the specific language governing permissions and24 * limitations under the License.25 */26class Browser extends _channelOwner.ChannelOwner {27  static from(browser) {28    return browser._object;29  }30  static fromNullable(browser) {31    return browser ? Browser.from(browser) : null;32  }33  constructor(parent, type, guid, initializer) {34    super(parent, type, guid, initializer);35    this._contexts = new Set();36    this._isConnected = true;37    this._closedPromise = void 0;38    this._shouldCloseConnectionOnClose = false;39    this._browserType = void 0;40    this._name = void 0;41    this._localUtils = void 0;42    this._name = initializer.name;43    this._channel.on('close', () => this._didClose());44    this._closedPromise = new Promise(f => this.once(_events.Events.Browser.Disconnected, f));45  }46  _setBrowserType(browserType) {47    this._browserType = browserType;48    for (const context of this._contexts) context._setBrowserType(browserType);49  }50  async newContext(options = {}) {51    var _this$_browserType$_o, _this$_browserType;52    options = { ...this._browserType._defaultContextOptions,53      ...options54    };55    const contextOptions = await (0, _browserContext.prepareBrowserContextParams)(options);56    const context = _browserContext.BrowserContext.from((await this._channel.newContext(contextOptions)).context);57    context._options = contextOptions;58    this._contexts.add(context);59    context._logger = options.logger || this._logger;60    context._setBrowserType(this._browserType);61    context._localUtils = this._localUtils;62    await ((_this$_browserType$_o = (_this$_browserType = this._browserType)._onDidCreateContext) === null || _this$_browserType$_o === void 0 ? void 0 : _this$_browserType$_o.call(_this$_browserType, context));63    return context;64  }65  contexts() {66    return [...this._contexts];67  }68  version() {69    return this._initializer.version;70  }71  async newPage(options = {}) {72    const context = await this.newContext(options);73    const page = await context.newPage();74    page._ownedContext = context;75    context._ownerPage = page;76    return page;77  }78  isConnected() {79    return this._isConnected;80  }81  async newBrowserCDPSession() {82    return _cdpSession.CDPSession.from((await this._channel.newBrowserCDPSession()).session);83  }84  async startTracing(page, options = {}) {85    await this._channel.startTracing({ ...options,86      page: page ? page._channel : undefined87    });88  }89  async stopTracing() {90    return Buffer.from((await this._channel.stopTracing()).binary, 'base64');91  }92  async close() {93    try {94      if (this._shouldCloseConnectionOnClose) this._connection.close(_errors.kBrowserClosedError);else await this._channel.close();95      await this._closedPromise;96    } catch (e) {97      if ((0, _errors.isSafeCloseError)(e)) return;98      throw e;99    }100  }101  _didClose() {102    this._isConnected = false;103    this.emit(_events.Events.Browser.Disconnected, this);104  }105}...

Using AI Code Generation

1const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext(prepareBrowserContextParams({6    viewport: {7    },8  }));9  const page = await context.newPage();10  await page.screenshot({ path: `example.png` });11  await browser.close();12})();13### `prepareBrowserContextParams(options)`

Using AI Code Generation

1const { chromium } = require('playwright');2const { prepareBrowserContextParams } = require('playwright/lib/server/browserType');3(async () => {4    const browser = await chromium.launch();5    const context = await browser.newContext(prepareBrowserContextParams({6        viewport: { width: 600, height: 600 },7        geolocation: { longitude: 12.492507, latitude: 41.889938 },8        httpCredentials: { username: 'user', password: 'pass' },9        extraHTTPHeaders: { foo: 'bar' },10        httpState: { extraHeaders: { foo: 'bar' } },11        storageState: { cookies: [{ name: 'example-cookie', value: 'best' }] }12    }));13    const page = await context.newPage();14    await browser.close();15})();16const { chromium } = require('playwright');17const { prepareBrowserContextParams } = require('playwright/lib/server/browserType');18(async () => {19    const browser = await chromium.launchPersistentContext('data-dir', prepareBrowserContextParams({20        viewport: { width: 600, height: 600 },21        geolocation: { longitude: 12.492507, latitude: 41.889938 },22        httpCredentials: { username: 'user', password: 'pass' },23        extraHTTPHeaders: { foo: 'bar' },24        httpState: { extra

Using AI Code Generation

1const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');2const { chromium } = require('playwright');3(async () => {4  const browserServer = await chromium.launchServer();5  const wsEndpoint = browserServer.wsEndpoint();6  const browser = await chromium.connect({ wsEndpoint });7  const browserContext = await browser.newContext();8  const browserContextParams = prepareBrowserContextParams(browserContext);9  console.log(browserContextParams);10  await browserServer.close();11})();

Using AI Code Generation

1const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');2const { BrowserType } = require('playwright/lib/server/browserType');3const { Browser } = require('playwright/lib/server/browser');4const { BrowserContext } = require('playwright/lib/server/browserContext');5const browserType = new BrowserType('chromium', '/path/to/chromium');6const browser = new Browser(browserType, '/path/to/browser', 'browserId');7const context = new BrowserContext(browser, 'contextId', prepareBrowserContextParams({8  viewport: {9  }10}));11const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');12const { BrowserType } = require('playwright/lib/server/browserType');13const { Browser } = require('playwright/lib/server/browser');14const { BrowserContext } = require('playwright/lib/server/browserContext');15const browserType = new BrowserType('chromium', '/path/to/chromium');16const browser = new Browser(browserType, '/path/to/browser', 'browserId');17const context = new BrowserContext(browser, 'contextId', prepareBrowserContextParams({18  viewport: {19  }20}));21const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');22const { BrowserType } = require('playwright/lib/server/browserType');23const { Browser } = require('playwright/lib/server/browser');24const { BrowserContext } = require('playwright/lib/server/browserContext');25const browserType = new BrowserType('chromium', '/path/to/chromium');26const browser = new Browser(browserType, '/path/to/browser', 'browserId');27const context = new BrowserContext(browser, 'contextId', prepareBrowserContextParams({28  viewport: {29  }30}));31const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');32const { BrowserType } = require('playwright/lib/server/browserType');33const { Browser } = require('playwright

Using AI Code Generation

1const playwright = require('playwright');2const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');3const { chromium } = playwright;4const browser = await chromium.launch();5const context = await browser.newContext();6const params = prepareBrowserContextParams(context);7console.log(params);8await browser.close();

Using AI Code Generation

1const { prepareBrowserContextParams } = require('playwright/lib/server/browserContext');2const { launch } = require('playwright')3(async () => {4  const browser = await launch();5  const context = await browser.newContext();6  const params = await prepareBrowserContextParams(context);7  console.log(params);8  await browser.close();9})();10{ viewport: { width: 1280, height: 720 },11   'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/77.0.3844.0 Safari/537.36',12  permissions: {},13  extraHTTPHeaders: {} }14const { prepareStorageState } = require('playwright/lib/server/browserContext');15const { launch } = require('playwright')16(async () => {17  const browser = await launch();18  const context = await browser.newContext();19  const storageState = await prepareStorageState(context);20  console.log(storageState);21  await browser.close();22})();23{ cookies: [],24  sessionStorage: [] }25const { prepareTracing } = require('playwright/lib/server/browserContext');26const { launch } = require('playwright')27(async () => {28  const browser = await launch();29  const context = await browser.newContext();30  const tracing = await prepareTracing(context, { screenshots: true, snapshots: true });31  console.log(tracing);32  await browser.close();33})();34{ screenshots: true, snapshots: true }35const { prepareVideo } = require

Using AI Code Generation

1const { prepareBrowserContextParams } = require('@playwright/test/lib/server/browserContext');2const browserContextParams = prepareBrowserContextParams({3  launchOptions: {4  },5  contextOptions: {6    viewport: { width: 1280, height: 720 },7  },8  testOptions: {9    use: {10    },11  },12  config: {13    use: {14    },15  },16});17console.log(browserContextParams);

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.