KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use attemptToDispatchEvent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactDOMEventReplaying.js

Source:ReactDOMEventReplaying.js

...453  }454  const targetContainers = queuedEvent.targetContainers;455  while (targetContainers.length > 0) {456    const targetContainer = targetContainers[0];457    const nextBlockedOn = attemptToDispatchEvent(458      queuedEvent.domEventName,459      queuedEvent.eventSystemFlags,460      targetContainer,461      queuedEvent.nativeEvent,462    );463    if (nextBlockedOn !== null) {464      // We're still blocked. Try again later.465      const fiber = getInstanceFromNode(nextBlockedOn);466      if (fiber !== null) {467        attemptContinuousHydration(fiber);468      }469      queuedEvent.blockedOn = nextBlockedOn;470      return false;471    }472    // This target container was successfully dispatched. Try the next.473    targetContainers.shift();474  }475  return true;476}477function attemptReplayContinuousQueuedEventInMap(478  queuedEvent                       ,479  key        ,480  map                                    ,481)       {482  if (attemptReplayContinuousQueuedEvent(queuedEvent)) {483    map.delete(key);484  }485}486function replayUnblockedEvents() {487  hasScheduledReplayAttempt = false;488  // First replay discrete events.489  while (queuedDiscreteEvents.length > 0) {490    const nextDiscreteEvent = queuedDiscreteEvents[0];491    if (nextDiscreteEvent.blockedOn !== null) {492      // We're still blocked.493      // Increase the priority of this boundary to unblock494      // the next discrete event.495      const fiber = getInstanceFromNode(nextDiscreteEvent.blockedOn);496      if (fiber !== null) {497        attemptUserBlockingHydration(fiber);498      }499      break;500    }501    const targetContainers = nextDiscreteEvent.targetContainers;502    while (targetContainers.length > 0) {503      const targetContainer = targetContainers[0];504      const nextBlockedOn = attemptToDispatchEvent(505        nextDiscreteEvent.domEventName,506        nextDiscreteEvent.eventSystemFlags,507        targetContainer,508        nextDiscreteEvent.nativeEvent,509      );510      if (nextBlockedOn !== null) {511        // We're still blocked. Try again later.512        nextDiscreteEvent.blockedOn = nextBlockedOn;513        break;514      }515      // This target container was successfully dispatched. Try the next.516      targetContainers.shift();517    }518    if (nextDiscreteEvent.blockedOn === null) {...

ReactDOMEventListener.js

Source:ReactDOMEventListener.js

...61      queueDiscreteEvent(null, // Flags that we're not actually blocked on anything as far as we know.62      domEventName, eventSystemFlags, targetContainer, nativeEvent);63      return;64    }65    var blockedOn = attemptToDispatchEvent(domEventName, eventSystemFlags, targetContainer, nativeEvent);66    if (blockedOn === null) {67      // We successfully dispatched this event.68      if (allowReplay) {69        clearIfContinuousEvent(domEventName, nativeEvent);70      }71      return;72    }73    if (allowReplay) {74      if (isReplayableDiscreteEvent(domEventName)) {75        // This this to be replayed later once the target is available.76        queueDiscreteEvent(blockedOn, domEventName, eventSystemFlags, targetContainer, nativeEvent);77        return;78      }79      if (queueIfContinuousEvent(blockedOn, domEventName, eventSystemFlags, targetContainer, nativeEvent)) {80        return;81      } // We need to clear only if we didn't queue because82      // queueing is accummulative.83      clearIfContinuousEvent(domEventName, nativeEvent);84    } // This is not replayable so we'll invoke it but without a target,85    // in case the event system needs to trace it.86    dispatchEventForPluginEventSystem(domEventName, eventSystemFlags, nativeEvent, null, targetContainer);87  } // Attempt dispatching an event. Returns a SuspenseInstance or Container if it's blocked.88  function attemptToDispatchEvent(domEventName, eventSystemFlags, targetContainer, nativeEvent) {89    // TODO: Warn if _enabled is false.90    var nativeEventTarget = getEventTarget(nativeEvent);91    var targetInst = getClosestInstanceFromNode(nativeEventTarget);92    if (targetInst !== null) {93      var nearestMounted = getNearestMountedFiber(targetInst);94      if (nearestMounted === null) {95        // This tree has been unmounted already. Dispatch without a target.96        targetInst = null;97      } else {98        var tag = nearestMounted.tag;99        if (tag === SuspenseComponent) {100          var instance = getSuspenseInstanceFromFiber(nearestMounted);101          if (instance !== null) {102            // Queue the event to be replayed later. Abort dispatching since we...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const page = await browser.newPage();5  await page.evaluate(() => {6    window.attemptToDispatchEvent = (element, type, eventInit) => {7      const event = new Event(type, eventInit);8      return element.dispatchEvent(event);9    };10  });11  await page.evaluate(() => {12    const element = document.querySelector('[name="q"]');13    attemptToDispatchEvent(element, 'focus', { bubbles: true });14    attemptToDispatchEvent(element, 'focusin', { bubbles: true });15  });16  await page.waitForTimeout(3000);17  await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21  const browser = await chromium.launch({ headless: false });22  const page = await browser.newPage();23  await page.evaluate(() => {24    window.attemptToDispatchEvent = (element, type, eventInit) => {25      const event = new Event(type, eventInit);26      return element.dispatchEvent(event);27    };28  });29  await page.evaluate(() => {30    const element = document.querySelector('[name="q"]');31    attemptToDispatchEvent(element, 'focus', { bubbles: true });32    attemptToDispatchEvent(element, 'focusin', { bubbles: true });33  });34  await page.waitForTimeout(3000);35  await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39  const browser = await chromium.launch({ headless: false });40  const page = await browser.newPage();41  await page.evaluate(() => {

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.waitForSelector('input[name="q"]');6  await page._delegate._page.attemptToDispatchEvent('keydown', {7    modifiers: {8    },9  });10  await page._delegate._page.attemptToDispatchEvent('keypress', {11    modifiers: {12    },13  });14  await page._delegate._page.attemptToDispatchEvent('keyup', {15    modifiers: {16    },17  });18  await browser.close();19})();

Using AI Code Generation

1const { Playwright } = require('playwright/lib/server/playwright');2const playwright = new Playwright();3const { BrowserServer } = require('playwright/lib/server/browserServer');4const { BrowserContext } = require('playwright/lib/server/browserContext');5const { Page } = require('playwright/lib/server/page');6const browserServer = await playwright.chromium.launchServer({ headless: false });7const wsEndpoint = browserServer.wsEndpoint();8const context = await BrowserContext.create(browserServer, {}, wsEndpoint);9const page = await Page.create(context, {});10await page.evaluate(() => {11  document.addEventListener('click', () => console.log('clicked!'));12});13await page.attemptToDispatchEvent('click', { x: 100, y: 100 });14await browserServer.close();15await playwright.stop();

Using AI Code Generation

1const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');2const {DispatcherConnection} = require('playwright/lib/internal/dispatchers/dispatcher');3const dispatcherConnection = new DispatcherConnection();4const internalDispatcher = new InternalDispatcher(dispatcherConnection);5const event = {type: 'myEvent', data: 'hello'};6await internalDispatcher.attemptToDispatchEvent(event);7const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');8const {DispatcherConnection} = require('playwright/lib/internal/dispatchers/dispatcher');9const dispatcherConnection = new DispatcherConnection();10const internalDispatcher = new InternalDispatcher(dispatcherConnection);11const event = {type: 'myEvent', data: 'hello'};12await internalDispatcher.attemptToDispatchEvent(event);13const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');14const {DispatcherConnection} = require('playwright/lib/internal/dispatchers/dispatcher');15const dispatcherConnection = new DispatcherConnection();16const internalDispatcher = new InternalDispatcher(dispatcherConnection);17const event = {type: 'myEvent', data: 'hello'};18await internalDispatcher.attemptToDispatchEvent(event);19const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');20const {DispatcherConnection} = require('playwright/lib/internal/dispatchers/dispatcher');21const dispatcherConnection = new DispatcherConnection();22const internalDispatcher = new InternalDispatcher(dispatcherConnection);23const event = {type: 'myEvent', data: 'hello'};24await internalDispatcher.attemptToDispatchEvent(event);25const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');26const {DispatcherConnection} = require('playwright/lib/internal/dispatchers/dispatcher');27const dispatcherConnection = new DispatcherConnection();28const internalDispatcher = new InternalDispatcher(dispatcherConnection);29const event = {type: 'myEvent', data: 'hello'};30await internalDispatcher.attemptToDispatchEvent(event);31const {InternalDispatcher} = require('playwright/lib/internal/dispatcher');32const {DispatcherConnection} = require('playwright/lib

Using AI Code Generation

1const { _electron } = require('playwright');2const { app } = require('electron');3const path = require('path');4const { BrowserWindow } = require('electron');5const { ipcMain } = require('electron');6app.on('ready', async () => {7  const mainWindow = new BrowserWindow({8    webPreferences: {9      preload: path.join(__dirname, 'preload.js'),10    },11  });12  await mainWindow.loadFile('index.html');13  mainWindow.webContents.openDevTools();14  ipcMain.on('dispatch-event', async (event, arg) => {15    const { type, options } = arg;16    const { webContents } = mainWindow;17    const { attemptToDispatchEvent } = _electron.getInternalBinding('web_contents');18    const success = await attemptToDispatchEvent(webContents, type, options);19    event.reply('dispatch-event-reply', success);20  });21});22const { contextBridge, ipcRenderer } = require('electron');23contextBridge.exposeInMainWorld('electron', {24  dispatchEvent: (type, options) => {25    return new Promise((resolve) => {26      ipcRenderer.send('dispatch-event', { type, options });27      ipcRenderer.once('dispatch-event-reply', (event, arg) => {28        resolve(arg);29      });30    });31  },32});33const { dispatchEvent } = electron;34const { KeyboardEvent } = require('playwright');35const main = async () => {36  const keyboardEvent = new KeyboardEvent('keydown', { key: 'a' });37  const success = await dispatchEvent('keydown', keyboardEvent);38  console.log(success);39};40main();41Error: Protocol error (Runtime.callFunctionOn): Cannot find context with specified id

Using AI Code Generation

1const { Page } = require('playwright');2const { events } = require('playwright-core/lib/server/events');3Page.prototype.attemptToDispatchEvent = function (event) {4    const { page, frame } = this;5    return events.attemptToDispatchEvent(page, frame, event);6};7const { Page } = require('playwright');8const { events } = require('playwright-core/lib/server/events');9Page.prototype.attemptToDispatchEvent = function (event) {10    const { page, frame } = this;11    return events.attemptToDispatchEvent(page, frame, event);12};13const { Page } = require('playwright');14const { events } = require('playwright-core/lib/server/events');15Page.prototype.attemptToDispatchEvent = function (event) {16    const { page, frame } = this;17    return events.attemptToDispatchEvent(page, frame, event);18};19const { Page } = require('playwright');20const { events } = require('playwright-core/lib/server/events');21Page.prototype.attemptToDispatchEvent = function (event) {22    const { page, frame } = this;23    return events.attemptToDispatchEvent(page, frame, event);24};25const { Page } = require('playwright');26const { events } = require('playwright-core/lib/server/events');27Page.prototype.attemptToDispatchEvent = function (event) {28    const { page, frame } = this;29    return events.attemptToDispatchEvent(page, frame, event);30};31const { Page } = require('

Using AI Code Generation

1const { internal } = require("playwright");2const dispatcher = internal.getDispatcher();3const { attemptToDispatchEvent } = dispatcher;4const { Page } = require("playwright");5const page = new Page();6const event = new Event("test-event");7attemptToDispatchEvent(page, event);

Using AI Code Generation

1module.exports = {2  Internal: require('./lib/internal'),3};4const { Internal } = require('./internal/exports');5module.exports = {6};7module.exports = {8  Internal: require('./internal'),9};10const { attemptToDispatchEvent } = require('./dispatchers/dispatcher');11class Internal {12  constructor(connection, context) {13    this._connection = connection;14    this._context = context;15  }16  attemptToDispatchEvent(event) {17    return attemptToDispatchEvent(this._connection, this._context, event);18  }19}20module.exports = { Internal };21function attemptToDispatchEvent(connection, context, event) {22}23const { Internal } = require('playwright');24const internal = new Internal(connection, context);25const event = {26};27internal.attemptToDispatchEvent(event);

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.