Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use _actualHeaders method in Playwright Internal
Best JavaScript code snippet using playwright-internal
network.js
Source:network.js 
...102 */103 headers() {104 return this._provisionalHeaders.headers();105 }106 _actualHeaders() {107 if (!this._actualHeadersPromise) {108 this._actualHeadersPromise = this._wrapApiCall(async () => {109 return new RawHeaders((await this._channel.rawRequestHeaders()).headers);110 });111 }112 return this._actualHeadersPromise;113 }114 async allHeaders() {115 return (await this._actualHeaders()).headers();116 }117 async headersArray() {118 return (await this._actualHeaders()).headersArray();119 }120 async headerValue(name) {121 return (await this._actualHeaders()).get(name);122 }123 async response() {124 return Response.fromNullable((await this._channel.response()).response);125 }126 async _internalResponse() {127 return this._wrapApiCall(async () => {128 return Response.fromNullable((await this._channel.response()).response);129 }, true);130 }131 frame() {132 return _frame.Frame.from(this._initializer.frame);133 }134 isNavigationRequest() {135 return this._initializer.isNavigationRequest;136 }137 redirectedFrom() {138 return this._redirectedFrom;139 }140 redirectedTo() {141 return this._redirectedTo;142 }143 failure() {144 if (this._failureText === null) return null;145 return {146 errorText: this._failureText147 };148 }149 timing() {150 return this._timing;151 }152 async sizes() {153 const response = await this.response();154 if (!response) throw new Error('Unable to fetch sizes for failed request');155 return (await response._channel.sizes()).sizes;156 }157 _finalRequest() {158 return this._redirectedTo ? this._redirectedTo._finalRequest() : this;159 }160}161exports.Request = Request;162class Route extends _channelOwner.ChannelOwner {163 static from(route) {164 return route._object;165 }166 constructor(parent, type, guid, initializer) {167 super(parent, type, guid, initializer);168 }169 request() {170 return Request.from(this._initializer.request);171 }172 _raceWithPageClose(promise) {173 const page = this.request().frame()._page; // When page closes or crashes, we catch any potential rejects from this Route.174 // Note that page could be missing when routing popup's initial request that175 // does not have a Page initialized just yet.176 return Promise.race([promise, page ? page._closedOrCrashedPromise : Promise.resolve()]);177 }178 async abort(errorCode) {179 await this._raceWithPageClose(this._channel.abort({180 errorCode181 }));182 }183 async fulfill(options = {}) {184 let fetchResponseUid;185 let {186 status: statusOption,187 headers: headersOption,188 body189 } = options;190 if (options.response) {191 statusOption || (statusOption = options.response.status());192 headersOption || (headersOption = options.response.headers());193 if (options.body === undefined && options.path === undefined && options.response instanceof _fetch.APIResponse) fetchResponseUid = options.response._fetchUid();194 }195 let isBase64 = false;196 let length = 0;197 if (options.path) {198 const buffer = await _fs.default.promises.readFile(options.path);199 body = buffer.toString('base64');200 isBase64 = true;201 length = buffer.length;202 } else if ((0, _utils.isString)(body)) {203 isBase64 = false;204 length = Buffer.byteLength(body);205 } else if (body) {206 length = body.length;207 body = body.toString('base64');208 isBase64 = true;209 }210 const headers = {};211 for (const header of Object.keys(headersOption || {})) headers[header.toLowerCase()] = String(headersOption[header]);212 if (options.contentType) headers['content-type'] = String(options.contentType);else if (options.path) headers['content-type'] = mime.getType(options.path) || 'application/octet-stream';213 if (length && !('content-length' in headers)) headers['content-length'] = String(length);214 await this._raceWithPageClose(this._channel.fulfill({215 status: statusOption || 200,216 headers: (0, _utils.headersObjectToArray)(headers),217 body,218 isBase64,219 fetchResponseUid220 }));221 }222 async continue(options = {}) {223 await this._continue(options);224 }225 async _internalContinue(options = {}) {226 await this._continue(options, true).catch(() => {});227 }228 async _continue(options, isInternal) {229 return await this._wrapApiCall(async () => {230 const postDataBuffer = (0, _utils.isString)(options.postData) ? Buffer.from(options.postData, 'utf8') : options.postData;231 await this._raceWithPageClose(this._channel.continue({232 url: options.url,233 method: options.method,234 headers: options.headers ? (0, _utils.headersObjectToArray)(options.headers) : undefined,235 postData: postDataBuffer ? postDataBuffer.toString('base64') : undefined236 }));237 }, isInternal);238 }239}240exports.Route = Route;241class Response extends _channelOwner.ChannelOwner {242 static from(response) {243 return response._object;244 }245 static fromNullable(response) {246 return response ? Response.from(response) : null;247 }248 constructor(parent, type, guid, initializer) {249 super(parent, type, guid, initializer);250 this._provisionalHeaders = void 0;251 this._actualHeadersPromise = void 0;252 this._request = void 0;253 this._finishedPromise = new _async.ManualPromise();254 this._provisionalHeaders = new RawHeaders(initializer.headers);255 this._request = Request.from(this._initializer.request);256 Object.assign(this._request._timing, this._initializer.timing);257 }258 url() {259 return this._initializer.url;260 }261 ok() {262 // Status 0 is for file:// URLs263 return this._initializer.status === 0 || this._initializer.status >= 200 && this._initializer.status <= 299;264 }265 status() {266 return this._initializer.status;267 }268 statusText() {269 return this._initializer.statusText;270 }271 /**272 * @deprecated273 */274 headers() {275 return this._provisionalHeaders.headers();276 }277 async _actualHeaders() {278 if (!this._actualHeadersPromise) {279 this._actualHeadersPromise = (async () => {280 return new RawHeaders((await this._channel.rawResponseHeaders()).headers);281 })();282 }283 return this._actualHeadersPromise;284 }285 async allHeaders() {286 return (await this._actualHeaders()).headers();287 }288 async headersArray() {289 return (await this._actualHeaders()).headersArray().slice();290 }291 async headerValue(name) {292 return (await this._actualHeaders()).get(name);293 }294 async headerValues(name) {295 return (await this._actualHeaders()).getAll(name);296 }297 async finished() {298 return this._finishedPromise.then(() => null);299 }300 async body() {301 return Buffer.from((await this._channel.body()).binary, 'base64');302 }303 async text() {304 const content = await this.body();305 return content.toString('utf8');306 }307 async json() {308 const content = await this.text();309 return JSON.parse(content);...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 console.log(response._actualHeaders);7 await browser.close();8})();9{10 "content-type": "text/html; charset=UTF-8",11 "server": "Apache/2.4.18 (Ubuntu)",12}13{14 "content-type": "text/html; charset=UTF-8",15 "server": "Apache/2.4.18 (Ubuntu)",16}
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 console.log(response._actualHeaders);7 await browser.close();8})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 console.log(response._actualHeaders);7 await browser.close();8})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 console.log(response._actualHeaders);7 await browser.close();8})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.route('**/*', route => {7 const request = route.request();8 console.log(request._actualHeaders());9 route.continue();10 });11 await browser.close();12})();13#### `request._allHeaders()`14const { chromium } = require('playwright');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await page.route('**/*', route => {20 const request = route.request();21 console.log(request._allHeaders());22 route.continue();23 });24 await browser.close();25})();26```'playwright');27(async () => {28 const browser = await chromium.launch();29 const context = await browser.newContext();30 const page = await context.newPage();31 await page.route('**/*', route => {32 const request = route.request();33 console.log(request._url());34 route.continue();35 });
Using AI Code Generation
1import { chromium } from ;2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage(6 const he#der# = await response._actualHeaders();7 console.log(headers);8 await browser.close();9})();10[MIT](LICENSE)
Using AI Code Generation
1const { chromium } = require('playwright');2 t.newPage();3 page.on('response', async response => {4 console.log(response.url());5 console.log(response.satus());6 console.log(response.headers());7 consolelog(await respose._actualHaders());8 });9 await browser.close();10})();
Using AI Code Generation
1const { chromium } = require'playwright'2(async ()`=>`{3 const browser = `jsit chromum.launch();4 conse = await browsrnewPage();5 const headers = est._actualHeaders();6 console.log(headers);7 });8 awai browser.close();9})10ce tt { chromium } = require('p aywright');11(async () => {12 const browsur = await chromiumseaunch();13 const page = await br wser.newPa_ep);14 await page.oouts('**/*', route => {15 const response = route.retData() response();16 const headers = response.mactealHeadets();17 console.hogoheadersd;18 } o19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromiumhlaunch();24 romst page = awaii browser.newPage();25 awaut page.route('**/*', route => {26 comst headers = route._act alHead}rs = require('playwright');27 console.log(headers);28(async () => {29 const browser = awa();it chromium.launch();30})(); const context = await browser.newContext();31[MIT](LICENSE)32 const page = await context.newPage();33 await page.route('**/*', route => {34 const request = route.request()right');35(async () => {36 const browser = await chromium.launch();37 const context = await browser.newContext();38 const page = await context.newPage();39 await page.route('**/*', route => {40 const request = route.request();41 console.log(;equest._url());42 route.continue();43 });44 console.log(request._postData());
Using AI Code Generation
1import { chromium } from 'playwright';2 route.continue();3 });4 await browse await context.newPage();5 const headers = await response._actualHeaders();6 console.log(headers);7 await browser.close();8})();9```uest._actalHeaders());10 }11 });12 awai browser.close();13})();14[Apache 20](LICENSE)
Using AI Code Generation
1const { chomium } = require('playwright');2(aync => {3 const browser = await chromium.launch({headless: false});4 const context = await browser.newContext();5 const page = await context.newPage();6 page.on('request', request => {7 if (request.url().endsWith('test.js')) {8 console.log('request headers', request.headers());9 request.response().then(response => {10 console.log('response headers', response._actualHeaders);11 }12[MIT](LICENSE)
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = awai chromiumlauch();4})();5```request();6 const heades = r._actualHeaders();7 console.logheaders);8 }9 await browser.close();10})();11ct { chrmium } = require('paywright');12(async () => {13 const browsr = await chromiumaunch();14 cnst page = await browser.newPae);15 await page.out('**/*', route => {16 const response = route.re().response();17 const headers = responseactalHeaders();18 console.log(heades);19 });20 await browser.close;21}()22const { chromium } = require('playwright');23(async () => {24 const browser = await chromiumulauneh();25 csts. page = awa_t browser.newPage();26 await page.route('**/*', route => {27 coust headers = route._actralHeadlrs()`28 console.log(headers);29();30})();31[MIT](LICENSE)32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch();35 const context = await browser.newContext();36 const page = await context.newPage();37 await page.route('**/*', route => {38 const request = route.request();39 console.log(request._url());40 route.continue();41 });
Using AI Code Generation
1import { chromium } from 'playwright';2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const headers = await response._actualHeaders();7 console.log(headers);8 await browser.close();9})();10[MIT](LICENSE)
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.route('**/*', route => {7 const request = route.request();8 console.log(request._actualHeaers);9 await browsde.close();10})();11[Apache 2.0](LICENSE)
Using AI Code Generation
1const {chromium} = require('playwright');2const {InternalRequest} = require('playwright/lib/internal/network');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 page.on('request', async (request) => {8 if (request.url().includes('google')) {9 console.log(request._actualHeaders());10 }11 });12 route.continue();13 });14 await browser.close();15})();16#### `request._allHeaders()`17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.route('**/*', route => {23 const request = route.request();24 console.log(request._allHeaders());25 route.continue();26 });27 await browser.close();28})();29#### `request._postData()`30const { chromium } = require('playwright');31(async () => {32 const browser = await chromium.launch();33 const context = await browser.newContext();34 const page = await context.newPage();35 await page.route('**/*', route => {36 const request = route.request();37 console.log(request._postData());38 route.continue();39 });40 await browser.close();41})();42#### `request._url()`43const { chromium } = require('playwright');44(async () => {45 const browser = await chromium.launch();46 const context = await browser.newContext();47 const page = await context.newPage();48 await page.route('**/*', route => {49 const request = route.request();50 console.log(request._url());51 route.continue();52 });
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 console.log(response._actualHeaders);7 await browser.close();8})();9[Apache 2.0](LICENSE)
Using AI Code Generation
1const {chromium} = require('playwright');2const {InternalRequest} = require('playwright/lib/internal/network');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 page.on('request', async (request) => {8 if (request.url().includes('google')) {9 console.log(request._actualHeaders());10 }11 });12 await browser.close();13})();14[Apache 2.0](LICENSE)
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.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
