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How to use inputActionEpilogue method in Playwright Internal

Best JavaScript code snippet using playwright-internal

wkPage.js

...866  }867  async getAccessibilityTree(needle) {868    return (0, _wkAccessibility.getAccessibilityTree)(this._session, needle);869  }870  async inputActionEpilogue() {}871  async getFrameElement(frame) {872    const parent = frame.parentFrame();873    if (!parent) throw new Error('Frame has been detached.');874    const info = this._page.parseSelector('frame,iframe');875    const handles = await this._page.selectors._queryAll(parent, info);876    const items = await Promise.all(handles.map(async handle => {877      const frame = await handle.contentFrame().catch(e => null);878      return {879        handle,880        frame881      };882    }));883    const result = items.find(item => item.frame === frame);884    items.map(item => item === result ? Promise.resolve() : item.handle.dispose());...

crPage.js

Source: crPage.js

...281  }282  async getAccessibilityTree(needle) {283    return (0, _crAccessibility.getAccessibilityTree)(this._mainFrameSession._client, needle);284  }285  async inputActionEpilogue() {286    await this._mainFrameSession._client.send('Page.enable').catch(e => {});287  }288  async pdf(options) {289    return this._pdf.generate(options);290  }291  coverage() {292    return this._coverage;293  }294  async getFrameElement(frame) {295    let parent = frame.parentFrame();296    if (!parent) throw new Error('Frame has been detached.');297    const parentSession = this._sessionForFrame(parent);298    const {299      backendNodeId...

ffPage.js

Source: ffPage.js

...500  }501  async getAccessibilityTree(needle) {502    return (0, _ffAccessibility.getAccessibilityTree)(this._session, needle);503  }504  async inputActionEpilogue() {}505  async getFrameElement(frame) {506    const parent = frame.parentFrame();507    if (!parent) throw new Error('Frame has been detached.');508    const info = this._page.parseSelector('frame,iframe');509    const handles = await this._page.selectors._queryAll(parent, info);510    const items = await Promise.all(handles.map(async handle => {511      const frame = await handle.contentFrame().catch(e => null);512      return {513        handle,514        frame515      };516    }));517    const result = items.find(item => item.frame === frame);518    items.map(item => item === result ? Promise.resolve() : item.handle.dispose());...

Using AI Code Generation

1const { inputActionEpilogue } = require('@playwright/test/lib/server/inputActionEpilogue');2const { inputActionPrologue } = require('@playwright/test/lib/server/inputActionPrologue');3const { Page } = require('@playwright/test/lib/server/page');4const { Frame } = require('@playwright/test/lib/server/frame');5const { ElementHandle } = require('@playwright/test/lib/server/elementHandler');6Page.prototype.$eval = async function(selector, pageFunction, ...args) {7    const handle = await this.$(selector);8    if (!handle)9        throw new Error('Error: failed to find element matching selector "' + selector + '"');10    const result = await handle.evaluate(pageFunction, ...args);11    await handle.dispose();12    return result;13};14Page.prototype.$$eval = async function(selector, pageFunction, ...args) {15    const arrayHandle = await this.$$(selector);16    const result = await arrayHandle.evaluate(pageFunction, ...args);17    await arrayHandle.dispose();18    return result;19};20Frame.prototype.$eval = async function(selector, pageFunction, ...args) {21    const handle = await this.$(selector);22    if (!handle)23        throw new Error('Error: failed to find element matching selector "' + selector + '"');24    const result = await handle.evaluate(pageFunction, ...args);25    await handle.dispose();26    return result;27};28Frame.prototype.$$eval = async function(selector, pageFunction, ...args) {29    const arrayHandle = await this.$$(selector);30    const result = await arrayHandle.evaluate(pageFunction, ...args);31    await arrayHandle.dispose();32    return result;33};34ElementHandle.prototype.$eval = async function(selector, pageFunction, ...args) {35    const handle = await this.$(selector);36    if (!handle)37        throw new Error('Error: failed to find element matching selector "' + selector + '"');38    const result = await handle.evaluate(pageFunction, ...args);39    await handle.dispose();40    return result;41};42ElementHandle.prototype.$$eval = async function(selector, pageFunction, ...args) {43    const arrayHandle = await this.$$(selector);

Using AI Code Generation

1const { inputActionEpilogue } = require('playwright/lib/input');2const { inputActionEpilogue } = require('playwright/lib/input');3inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);4inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);5const { inputActionEpilogue } = require('playwright/lib/input');6inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);7inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);8const { inputActionEpilogue } = require('playwright/lib/input');9inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);10inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);11const { inputActionEpilogue } = require('playwright/lib/input');12inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);13inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);14const { inputActionEpilogue } = require('playwright/lib/input');15inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 }, 0);16inputActionEpilogue.call(page, 'click', { button: 'left' }, { x: 0, y: 0 },

Using AI Code Generation

1const { inputActionEpilogue } = require('playwright/lib/server/input');2const { Page } = require('playwright/lib/server/page');3const { ElementHandle } = require('playwright/lib/server/elementHandler');4const { JSHandle } = require('playwright/lib/server/jsHandle');5const page = new Page();6const elementHandle = new ElementHandle(page, 'elementHandle', {});7const jsHandle = new JSHandle(page, 'jsHandle', {});8inputActionEpilogue(page, elementHandle, jsHandle, 'input', 100, 'value', 1);9const page = new Page();10const elementHandle = new ElementHandle(page, 'elementHandle', {});11const jsHandle = new JSHandle(page, 'jsHandle', {});12inputActionEpilogue(page, elementHandle, jsHandle, 'select', 100, 'value', 1);13const page = new Page();14const elementHandle = new ElementHandle(page, 'elementHandle', {});15const jsHandle = new JSHandle(page, 'jsHandle', {});16inputActionEpilogue(page, elementHandle, jsHandle, 'check', 100, 'checked', true);17const page = new Page();18const elementHandle = new ElementHandle(page, 'elementHandle', {});19const jsHandle = new JSHandle(page, 'jsHandle', {});20inputActionEpilogue(page, elementHandle, jsHandle, 'uncheck', 100, 'checked', false);21const page = new Page();22const elementHandle = new ElementHandle(page, 'elementHandle', {});23const jsHandle = new JSHandle(page, 'jsHandle', {});24inputActionEpilogue(page, elementHandle, jsHandle, 'fill', 100, 'value', 'value');25const page = new Page();26const elementHandle = new ElementHandle(page, 'elementHandle', {});27const jsHandle = new JSHandle(page, 'jsHandle', {});28inputActionEpilogue(page, elementHandle, jsHandle, 'press', 100, 'value', 'value');29const page = new Page();30const elementHandle = new ElementHandle(page, 'elementHandle', {});31const jsHandle = new JSHandle(page, 'jsHandle', {});

Using AI Code Generation

1const { inputActionEpilogue } = require('@playwright/test/lib/server/frames');2const { test } = require('@playwright/test');3test('should work', async ({ page }) => {4  const input = await page.$('input[name="q"]');5  await input.click();6  await inputActionEpilogue(page, input, { type: 'rawKeyDown', key: 'ArrowLeft', code: 'ArrowLeft', text: 'ArrowLeft', location: 0, modifiers: 0, repeat: false, isAutoRepeat: false, windowsVirtualKeyCode: 0, nativeVirtualKeyCode: 0, autoRepeat: false, isKeypad: false, isSystemKey: false });7  await inputActionEpilogue(page, input, { type: 'rawKeyDown', key: 'ArrowLeft', code: 'ArrowLeft', text: 'ArrowLeft', location: 0, modifiers: 0, repeat: false, isAutoRepeat: false, windowsVirtualKeyCode: 0, nativeVirtualKeyCode: 0, autoRepeat: false, isKeypad: false, isSystemKey: false });8  await inputActionEpilogue(page, input, { type: 'rawKeyDown', key: 'ArrowLeft', code: 'ArrowLeft', text: 'ArrowLeft', location: 0, modifiers: 0, repeat: false, isAutoRepeat: false, windowsVirtualKeyCode: 0, nativeVirtualKeyCode: 0, autoRepeat: false, isKeypad: false, isSystemKey: false });9  await inputActionEpilogue(page, input, { type: 'rawKeyDown', key: 'ArrowLeft', code: 'ArrowLeft', text: 'ArrowLeft', location: 0, modifiers: 0, repeat: false, isAutoRepeat: false, windowsVirtualKeyCode: 0, nativeVirtualKeyCode: 0, autoRepeat: false, isKeypad: false, isSystemKey: false });10  await inputActionEpilogue(page, input, { type: 'rawKeyDown', key: 'ArrowLeft', code: 'ArrowLeft', text: 'ArrowLeft', location: 0, modifiers: 0, repeat: false, isAutoRepeat: false, windowsVirtualKeyCode: 0, nativeVirtualKeyCode: 0, autoRepeat: false, isKeypad: false, isSystemKey:

Using AI Code Generation

1const { inputActionEpilogue } = require('playwright/lib/internal/input');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.click('text=Get started');7  await inputActionEpilogue(page);8  await browser.close();9})();10const { helper } = require('./helper');11const { assert } = require('../utils/utils');12const { debugError } = require('../utils/debugLogger');13module.exports.inputActionEpilogue = async function(page) {14  await page._frameManager.waitForSignalsCreatedByAction();15  await page._doSlowMo();16  await page._doAutopause();17  await page._doThrottling();18  await page._doCoverage();19  await page._doScreenshots();20  await page._doVideo();21  await page._doAccessibility();22  await page._doTrace();23  await page._doTimeouts();24  await page._doMouse();25  await page._doKeyboard();26  await page._doTouchscreen();27  await page._doFileChooser();28  await page._doDialogs();29  await page._doWorkers();30  await page._doEmulateMedia();31  await page._doViewport();32  await page._doGeolocation();33  await page._doExtraHTTPHeaders();34  await page._doOffline();35  await page._doHttpCredentials();36  await page._doStorageState();37  await page._doColorScheme();38  await page._doLocale();39  await page._doTimezone();40  await page._doUserAgent();41  await page._doViewport();42  await page._doEmulateMedia();43  await page._doGeolocation();44  await page._doExtraHTTPHeaders();45  await page._doOffline();46  await page._doHttpCredentials();47  await page._doStorageState();48  await page._doColorScheme();49  await page._doLocale();50  await page._doTimezone();51  await page._doUserAgent();52  await page._doViewport();53  await page._doEmulateMedia();54  await page._doGeolocation();55  await page._doExtraHTTPHeaders();

Using AI Code Generation

1const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');2const { internal } = require('playwright/lib/internal/keyboard');3const { toModifiersMask } = internal;4const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');5const { internal } = require('playwright/lib/internal/keyboard');6const { toModifiersMask } = internal;7const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');8const { internal } = require('playwright/lib/internal/keyboard');9const { toModifiersMask } = internal;10const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');11const { internal } = require('playwright/lib/internal/keyboard');12const { toModifiersMask } = internal;13const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');14const { internal } = require('playwright/lib/internal/keyboard');15const { toModifiersMask } = internal;16const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');17const { internal } = require('playwright/lib/internal/keyboard');18const { toModifiersMask } = internal;19const { inputActionEpilogue } = require('playwright/lib/internal/inputActionEpilogue');20const { internal } = require('playwright/lib/internal/keyboard');21const { toModifiersMask } = internal;22const { inputActionEpilogue } = require('playwright/lib/internal

Using AI Code Generation

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

StackOverFlow community discussions

Questions

Discussion

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

firefox browser does not start in playwright

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

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

Well this is one way, but not sure if it will work for all possible locators!.

// Get a selector from a playwright locator
import { Locator } from "@playwright/test";
export function extractSelector(locator: Locator) {
    const selector = locator.toString();
    const parts = selector.split("@");
    if (parts.length !== 2) { throw Error("extractSelector: susupect that this is not a locator"); }
    if (parts[0] !== "Locator") { throw Error("extractSelector: did not find locator"); }
    return parts[1];
}

https://stackoverflow.com/questions/72044959/is-it-possible-to-get-the-selector-from-a-locator-object-in-playwright

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/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

Assuming you are not running test with the --runinband flag, the simple answer is yes but it depends ????

There is a pretty comprehensive GitHub issue jest#6957 that explains certain cases of when tests are run concurrently or in parallel. But it seems to depend on a lot of edge cases where jest tries its best to determine the fastest way to run the tests given the circumstances.

To my knowledge there is no way to force jest to run in parallel.

Aside

Have you considered using playwright instead of puppeteer with jest? Playwright has their own internally built testing library called @playwright/test that is used in place of jest with a similar API. This library allows for explicitly defining test groups in a single file to run in parallel (i.e. test.describe.parallel) or serially (i.e. test.describe.serial). Or even to run all tests in parallel via a config option.

// parallel
test.describe.parallel('group', () => {
  test('runs in parallel 1', async ({ page }) => {});
  test('runs in parallel 2', async ({ page }) => {});
});

// serial
test.describe.serial('group', () => {
  test('runs first', async ({ page }) => {});
  test('runs second', async ({ page }) => {});
});

https://stackoverflow.com/questions/73497773/how-to-run-a-list-of-test-suites-in-a-single-file-concurrently-in-jest

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

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