How to use _loadDefaultContextAsIs method in Playwright Internal

Best JavaScript code snippet using playwright-internal

browserContext.js

Source: browserContext.js Github

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...152 }153 setDefaultTimeout(timeout) {154 this._timeoutSettings.setDefaultTimeout(timeout);155 }156 async _loadDefaultContextAsIs(progress) {157 if (!this.pages().length) {158 const waitForEvent = _helper.helper.waitForEvent(progress, this, BrowserContext.Events.Page);159 progress.cleanupWhenAborted(() => waitForEvent.dispose);160 const page = await waitForEvent.promise;161 if (page._pageIsError) throw page._pageIsError;162 }163 const pages = this.pages();164 if (pages[0]._pageIsError) throw pages[0]._pageIsError;165 await pages[0].mainFrame()._waitForLoadState(progress, 'load');166 return pages;167 }168 async _loadDefaultContext(progress) {169 const pages = await this._loadDefaultContextAsIs(progress);170 if (this._options.isMobile || this._options.locale) {171 /​/​ Workaround for:172 /​/​ - chromium fails to change isMobile for existing page;173 /​/​ - webkit fails to change locale for existing page.174 const oldPage = pages[0];175 await this.newPage(progress.metadata);176 await oldPage.close(progress.metadata);177 }178 }179 _authenticateProxyViaHeader() {180 const proxy = this._options.proxy || this._browser.options.proxy || {181 username: undefined,182 password: undefined183 };...

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recorderApp.js

Source: recorderApp.js Github

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...86 useWebSocket: !!process.env.PWTEST_RECORDER_PORT87 });88 const controller = new _progress.ProgressController((0, _instrumentation.internalCallMetadata)(), context._browser);89 await controller.run(async progress => {90 await context._browser._defaultContext._loadDefaultContextAsIs(progress);91 });92 const [page] = context.pages();93 const result = new RecorderApp(page, context._browser.options.wsEndpoint);94 await result._init();95 return result;96 }97 async setMode(mode) {98 await this._page.mainFrame().evaluateExpression((mode => {99 window.playwrightSetMode(mode);100 }).toString(), true, mode, 'main').catch(() => {});101 }102 async setFile(file) {103 await this._page.mainFrame().evaluateExpression((file => {104 window.playwrightSetFile(file);...

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traceViewer.js

Source: traceViewer.js Github

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...65 useWebSocket: (0, _utils.isUnderTest)()66 });67 const controller = new _progress.ProgressController((0, _instrumentation.internalCallMetadata)(), context._browser);68 await controller.run(async progress => {69 await context._browser._defaultContext._loadDefaultContextAsIs(progress);70 });71 await context.extendInjectedScript(consoleApiSource.source);72 const [page] = context.pages();73 if (traceViewerBrowser === 'chromium') await (0, _crApp.installAppIcon)(page);74 if ((0, _utils.isUnderTest)()) page.on('close', () => context.close((0, _instrumentation.internalCallMetadata)()).catch(() => {}));else page.on('close', () => process.exit());75 await page.mainFrame().goto((0, _instrumentation.internalCallMetadata)(), urlPrefix + `/​trace/​index.html${traceUrl ? '?trace=' + traceUrl : ''}`);76 return context;...

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await _loadDefaultContextAsIs(browser);6 const page = await context.newPage();7 await page.screenshot({ path: 'google.png' });8 await browser.close();9})();10const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await _loadDefaultContextAsIs(browser);15 const page = await context.newPage();16 await page.screenshot({ path: 'google.png' });17 await browser.close();18})();19const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');20const { chromium } = require('playwright');21(async () => {22 const browser = await chromium.launch();23 const context = await _loadDefaultContextAsIs(browser);24 const page = await context.newPage();25 await page.screenshot({ path: 'google.png' });26 await browser.close();27})();28const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const context = await _loadDefaultContextAsIs(browser);33 const page = await context.newPage();34 await page.screenshot({ path: 'google.png' });35 await browser.close();36})();37const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');38const { chromium } = require('playwright');39(async () => {

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserContext');2const browser = await chromium.launch();3const context = await _loadDefaultContextAsIs(browser);4const page = await context.newPage();5const browserServer = await chromium.launchServer();6const wsEndpoint = browserServer.wsEndpoint();7const context = await chromium.launchPersistentContext('/​tmp/​my-user-data-dir');8const page = await context.newPage();9const browser = await chromium.launch();10const context = await browser.newContext();11const page = await context.newPage();

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('playwright-core/​lib/​server/​browserContext');2const { chromium } = require('playwright-core');3(async () => {4 const browser = await chromium.launch();5 const context = await _loadDefaultContextAsIs(browser._defaultContext);6 const page = await context.newPage();7 await page.screenshot({ path: 'example.png' });8 await browser.close();9})();

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');2const context = await _loadDefaultContextAsIs();3const page = await context.newPage();4await page.fill('input[name="q"]', 'Hello World');5await page.click('input[type="submit"]');6await page.waitForNavigation();7await page.screenshot({ path: `example.png` });8const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');9const context = await _loadDefaultContextAsIs();10const page = await context.newPage();11await page.fill('input[name="q"]', 'Hello World');12await page.click('input[type="submit"]');13await page.waitForNavigation();14await page.screenshot({ path: `example.png` });15![video](./​video.gif)16const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');17const context = await _loadDefaultContextAsIs();18const page = await context.newPage();19await page.fill('input[name="q"]', 'Hello World');20await page.click('input[type="submit"]');21await page.waitForNavigation();22await page.screenshot({ path: `example.png` });23await page.video().saveAs(`video1.mp4`);24const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('playwright/​lib/​server/​browserType');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await _loadDefaultContextAsIs(browser);6 const page = await context.newPage();7 await page.screenshot({ path: `example.png` });8 await browser.close();9})();10### playwright.executablePath()11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 await browser.close();15})();16### browserType.launch([options])

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Using AI Code Generation

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1const { Playwright } = require('playwright');2const { Page } = require('playwright/​lib/​page');3const { BrowserContext } = require('playwright/​lib/​browserContext');4const { Browser } = require('playwright/​lib/​browser');5const loadDefaultContext = async (browser) => {6 const context = await browser._loadDefaultContextAsIs();7 return context;8}9const createNewContext = async (browser) => {10 const context = await browser.newContext();11 return context;12}13const createNewPage = async (context) => {14 const page = await context.newPage();15 return page;16}17const createNewBrowser = async (browserType) => {18 const browser = await Playwright[browserType].launch();19 return browser;20}21const closeBrowser = async (browser) => {22 await browser.close();23}24const closeContext = async (context) => {25 await context.close();26}27const closePage = async (page) => {28 await page.close();29}30const navigateTo = async (page, url) => {31 await page.goto(url);32}33const clickElement = async (page, selector) => {34 await page.click(selector);35}36const getText = async (page, selector) => {37 const text = await page.innerText(selector);38 return text;39}40const getValue = async (page, selector) => {41 const value = await page.getAttribute(selector, 'value');42 return value;43}44const getAttribute = async (page, selector, attributeName) => {45 const attribute = await page.getAttribute(selector, attributeName);46 return attribute;47}48const getInnerHTML = async (page, selector) => {49 const innerHTML = await page.innerHTML(selector);50 return innerHTML;51}52const getOuterHTML = async (page, selector) => {53 const outerHTML = await page.outerHTML(selector);54 return outerHTML;55}

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Using AI Code Generation

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1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.screenshot({ path: `example.png` });6 await browser.close();7 })();

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Using AI Code Generation

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1const { _loadDefaultContextAsIs } = require('@playwright/​test/​lib/​server/​contexts')2const context = await _loadDefaultContextAsIs(browser);3const page = await context.newPage();4const { getTestContext } = require('playwright-test-context');5const { page, context } = await getTestContext();6const { test, expect } = require('@playwright/​test');7const { getTestContext } = require('playwright-test-context');8test('Test 1', async ({ page, context }) => {9 console.log(await page.title());10});11test('Test 2', async () => {12 const { page, context } = await getTestContext();13 console.log(await page.title());14});

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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