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How to use formatContextOptions method in Playwright Internal

Best JavaScript code snippet using playwright-internal

javascript.js

Source:javascript.js

...130    return this.generateStandaloneFooter(saveStorage);131  }132  generateTestHeader(options) {133    const formatter = new JavaScriptFormatter();134    const useText = formatContextOptions(options.contextOptions, options.deviceName);135    formatter.add(`136      import { test, expect${options.deviceName ? ', devices' : ''} } from '@playwright/test';137${useText ? '\ntest.use(' + useText + ');\n' : ''}138      test('test', async ({ page }) => {`);139    return formatter.format();140  }141  generateTestFooter(saveStorage) {142    return `\n});`;143  }144  generateStandaloneHeader(options) {145    const formatter = new JavaScriptFormatter();146    formatter.add(`147      const { ${options.browserName}${options.deviceName ? ', devices' : ''} } = require('playwright');148      (async () => {149        const browser = await ${options.browserName}.launch(${formatObjectOrVoid(options.launchOptions)});150        const context = await browser.newContext(${formatContextOptions(options.contextOptions, options.deviceName)});`);151    return formatter.format();152  }153  generateStandaloneFooter(saveStorage) {154    const storageStateLine = saveStorage ? `\n  await context.storageState({ path: ${quote(saveStorage)} });` : '';155    return `\n  // ---------------------${storageStateLine}156  await context.close();157  await browser.close();158})();`;159  }160}161exports.JavaScriptLanguageGenerator = JavaScriptLanguageGenerator;162function formatOptions(value) {163  const keys = Object.keys(value);164  if (!keys.length) return '';165  return ', ' + formatObject(value);166}167function formatObject(value, indent = '  ') {168  if (typeof value === 'string') return quote(value);169  if (Array.isArray(value)) return `[${value.map(o => formatObject(o)).join(', ')}]`;170  if (typeof value === 'object') {171    const keys = Object.keys(value);172    if (!keys.length) return '{}';173    const tokens = [];174    for (const key of keys) tokens.push(`${key}: ${formatObject(value[key])}`);175    return `{\n${indent}${tokens.join(`,\n${indent}`)}\n}`;176  }177  return String(value);178}179function formatObjectOrVoid(value, indent = '  ') {180  const result = formatObject(value, indent);181  return result === '{}' ? '' : result;182}183function formatContextOptions(options, deviceName) {184  const device = deviceName && _deviceDescriptors.default[deviceName];185  if (!device) return formatObjectOrVoid(options); // Filter out all the properties from the device descriptor.186  let serializedObject = formatObjectOrVoid((0, _language.sanitizeDeviceOptions)(device, options)); // When there are no additional context options, we still want to spread the device inside.187  if (!serializedObject) serializedObject = '{\n}';188  const lines = serializedObject.split('\n');189  lines.splice(1, 0, `...devices[${quote(deviceName)}],`);190  return lines.join('\n');191}192class JavaScriptFormatter {193  constructor(offset = 0) {194    this._baseIndent = void 0;195    this._baseOffset = void 0;196    this._lines = [];197    this._baseIndent = ' '.repeat(2);...

python.js

Source:python.js

...129import asyncio130from playwright.async_api import Playwright, async_playwright131async def run(playwright: Playwright) -> None {132    browser = await playwright.${options.browserName}.launch(${formatOptions(options.launchOptions, false)})133    context = await browser.new_context(${formatContextOptions(options.contextOptions, options.deviceName)})`);134    } else {135      formatter.add(`136from playwright.sync_api import Playwright, sync_playwright137def run(playwright: Playwright) -> None {138    browser = playwright.${options.browserName}.launch(${formatOptions(options.launchOptions, false)})139    context = browser.new_context(${formatContextOptions(options.contextOptions, options.deviceName)})`);140    }141    return formatter.format();142  }143  generateFooter(saveStorage) {144    if (this._isAsync) {145      const storageStateLine = saveStorage ? `\n    await context.storage_state(path=${quote(saveStorage)})` : '';146      return `\n    # ---------------------${storageStateLine}147    await context.close()148    await browser.close()149async def main() -> None:150    async with async_playwright() as playwright:151        await run(playwright)152asyncio.run(main())153`;154    } else {155      const storageStateLine = saveStorage ? `\n    context.storage_state(path=${quote(saveStorage)})` : '';156      return `\n    # ---------------------${storageStateLine}157    context.close()158    browser.close()159with sync_playwright() as playwright:160    run(playwright)161`;162    }163  }164}165exports.PythonLanguageGenerator = PythonLanguageGenerator;166function formatValue(value) {167  if (value === false) return 'False';168  if (value === true) return 'True';169  if (value === undefined) return 'None';170  if (Array.isArray(value)) return `[${value.map(formatValue).join(', ')}]`;171  if (typeof value === 'string') return quote(value);172  if (typeof value === 'object') return JSON.stringify(value);173  return String(value);174}175function toSnakeCase(name) {176  const toSnakeCaseRegex = /((?<=[a-z0-9])[A-Z]|(?!^)[A-Z](?=[a-z]))/g;177  return name.replace(toSnakeCaseRegex, `_$1`).toLowerCase();178}179function formatOptions(value, hasArguments) {180  const keys = Object.keys(value);181  if (!keys.length) return '';182  return (hasArguments ? ', ' : '') + keys.map(key => `${toSnakeCase(key)}=${formatValue(value[key])}`).join(', ');183}184function formatContextOptions(options, deviceName) {185  const device = deviceName && _deviceDescriptors.default[deviceName];186  if (!device) return formatOptions(options, false);187  return `**playwright.devices[${quote(deviceName)}]` + formatOptions((0, _language.sanitizeDeviceOptions)(device, options), true);188}189class PythonFormatter {190  constructor(offset = 0) {191    this._baseIndent = void 0;192    this._baseOffset = void 0;193    this._lines = [];194    this._baseIndent = ' '.repeat(4);195    this._baseOffset = ' '.repeat(offset);196  }197  prepend(text) {198    this._lines = text.trim().split('\n').map(line => line.trim()).concat(this._lines);...

Using AI Code Generation

1const { Playwright } = require('playwright-core/lib/server/playwright');2const { formatContextOptions } = require('playwright-core/lib/server/browserContext');3const contextOptions = {4  viewport: {5  },6  geolocation: {7  },8  extraHTTPHeaders: {9  },10    'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36',11  recordVideo: {12    size: {13    },14  },15  recordHar: {16  },17  proxy: {18  },19  storageState: {20      {21      },22      {23      },24  },25  viewport: {26  },

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.