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How to use toButtonsMask method in Playwright Internal

Best JavaScript code snippet using playwright-internal

wkInput.js

...32  if (modifiers.has('Alt')) mask |= 4;33  if (modifiers.has('Meta')) mask |= 8;34  return mask;35}36function toButtonsMask(buttons) {37  let mask = 0;38  if (buttons.has('left')) mask |= 1;39  if (buttons.has('middle')) mask |= 2;40  if (buttons.has('right')) mask |= 4;41  return mask;42}43class RawKeyboardImpl {44  constructor(session) {45    this._pageProxySession = void 0;46    this._session = void 0;47    this._pageProxySession = session;48  }49  setSession(session) {50    this._session = session;51  }52  async keydown(modifiers, code, keyCode, keyCodeWithoutLocation, key, location, autoRepeat, text) {53    const parts = [];54    for (const modifier of ['Shift', 'Control', 'Alt', 'Meta']) {55      if (modifiers.has(modifier)) parts.push(modifier);56    }57    parts.push(code);58    const shortcut = parts.join('+');59    let commands = _macEditingCommands.macEditingCommands[shortcut];60    if ((0, _utils.isString)(commands)) commands = [commands];61    await this._pageProxySession.send('Input.dispatchKeyEvent', {62      type: 'keyDown',63      modifiers: toModifiersMask(modifiers),64      windowsVirtualKeyCode: keyCode,65      code,66      key,67      text,68      unmodifiedText: text,69      autoRepeat,70      macCommands: commands,71      isKeypad: location === input.keypadLocation72    });73  }74  async keyup(modifiers, code, keyCode, keyCodeWithoutLocation, key, location) {75    await this._pageProxySession.send('Input.dispatchKeyEvent', {76      type: 'keyUp',77      modifiers: toModifiersMask(modifiers),78      key,79      windowsVirtualKeyCode: keyCode,80      code,81      isKeypad: location === input.keypadLocation82    });83  }84  async sendText(text) {85    await this._session.send('Page.insertText', {86      text87    });88  }89}90exports.RawKeyboardImpl = RawKeyboardImpl;91class RawMouseImpl {92  constructor(session) {93    this._pageProxySession = void 0;94    this._pageProxySession = session;95  }96  async move(x, y, button, buttons, modifiers) {97    await this._pageProxySession.send('Input.dispatchMouseEvent', {98      type: 'move',99      button,100      buttons: toButtonsMask(buttons),101      x,102      y,103      modifiers: toModifiersMask(modifiers)104    });105  }106  async down(x, y, button, buttons, modifiers, clickCount) {107    await this._pageProxySession.send('Input.dispatchMouseEvent', {108      type: 'down',109      button,110      buttons: toButtonsMask(buttons),111      x,112      y,113      modifiers: toModifiersMask(modifiers),114      clickCount115    });116  }117  async up(x, y, button, buttons, modifiers, clickCount) {118    await this._pageProxySession.send('Input.dispatchMouseEvent', {119      type: 'up',120      button,121      buttons: toButtonsMask(buttons),122      x,123      y,124      modifiers: toModifiersMask(modifiers),125      clickCount126    });127  }128}129exports.RawMouseImpl = RawMouseImpl;130class RawTouchscreenImpl {131  constructor(session) {132    this._pageProxySession = void 0;133    this._pageProxySession = session;134  }135  async tap(x, y, modifiers) {...

ffInput.js

Source: ffInput.js

...32  if (button === 'middle') return 1;33  if (button === 'right') return 2;34  return 0;35}36function toButtonsMask(buttons) {37  let mask = 0;38  if (buttons.has('left')) mask |= 1;39  if (buttons.has('right')) mask |= 2;40  if (buttons.has('middle')) mask |= 4;41  return mask;42}43class RawKeyboardImpl {44  constructor(client) {45    this._client = void 0;46    this._client = client;47  }48  async keydown(modifiers, code, keyCode, keyCodeWithoutLocation, key, location, autoRepeat, text) {49    if (code === 'MetaLeft') code = 'OSLeft';50    if (code === 'MetaRight') code = 'OSRight'; // Firefox will figure out Enter by itself51    if (text === '\r') text = '';52    await this._client.send('Page.dispatchKeyEvent', {53      type: 'keydown',54      keyCode: keyCodeWithoutLocation,55      code,56      key,57      repeat: autoRepeat,58      location,59      text60    });61  }62  async keyup(modifiers, code, keyCode, keyCodeWithoutLocation, key, location) {63    if (code === 'MetaLeft') code = 'OSLeft';64    if (code === 'MetaRight') code = 'OSRight';65    await this._client.send('Page.dispatchKeyEvent', {66      type: 'keyup',67      key,68      keyCode: keyCodeWithoutLocation,69      code,70      location,71      repeat: false72    });73  }74  async sendText(text) {75    await this._client.send('Page.insertText', {76      text77    });78  }79}80exports.RawKeyboardImpl = RawKeyboardImpl;81class RawMouseImpl {82  constructor(client) {83    this._client = void 0;84    this._client = client;85  }86  async move(x, y, button, buttons, modifiers) {87    await this._client.send('Page.dispatchMouseEvent', {88      type: 'mousemove',89      button: 0,90      buttons: toButtonsMask(buttons),91      x,92      y,93      modifiers: toModifiersMask(modifiers)94    });95  }96  async down(x, y, button, buttons, modifiers, clickCount) {97    await this._client.send('Page.dispatchMouseEvent', {98      type: 'mousedown',99      button: toButtonNumber(button),100      buttons: toButtonsMask(buttons),101      x,102      y,103      modifiers: toModifiersMask(modifiers),104      clickCount105    });106  }107  async up(x, y, button, buttons, modifiers, clickCount) {108    await this._client.send('Page.dispatchMouseEvent', {109      type: 'mouseup',110      button: toButtonNumber(button),111      buttons: toButtonsMask(buttons),112      x,113      y,114      modifiers: toModifiersMask(modifiers),115      clickCount116    });117  }118}119exports.RawMouseImpl = RawMouseImpl;120class RawTouchscreenImpl {121  constructor(client) {122    this._client = void 0;123    this._client = client;124  }125  async tap(x, y, modifiers) {...

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/server/input');2const mask = toButtonsMask('left', 'right');3console.log(mask);4const { toModifiersMask } = require('playwright/lib/server/input');5const mask = toModifiersMask('Control', 'Shift');6console.log(mask);7const { toButton } = require('playwright/lib/server/input');8const button = toButton('left');9console.log(button);10const { toKeyDefinition } = require('playwright/lib/server/input');11const key = toKeyDefinition('KeyA');12console.log(key);13const { toKeyArray } = require('playwright/lib/server/input');14const keys = toKeyArray('KeyA');15console.log(keys);16const { toKeyDefinition } = require('playwright/lib/server/input');17const key = toKeyDefinition('KeyA');18console.log(key);19const { toKeyArray } = require('playwright/lib/server/input');20const keys = toKeyArray('KeyA');21console.log(keys);22const { toKeyDefinition } = require('playwright/lib/server/input');23const key = toKeyDefinition('KeyA');24console.log(key);25const { toKeyArray } = require('playwright/lib/server/input');26const keys = toKeyArray('KeyA');27console.log(keys);28const { toKeyDefinition } = require('playwright/lib/server/input');29const key = toKeyDefinition('KeyA');30console.log(key);31const { toKeyArray } = require('playwright/lib/server/input');32const keys = toKeyArray('KeyA');33console.log(keys);34const { toKeyDefinition } = require('playwright/lib/server/input');35const key = toKeyDefinition('KeyA

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/server/input');2const { MouseButton } = require('playwright/lib/server/input');3const { toModifiersMask } = require('playwright/lib/server/input');4const button = 'right';5const buttons = ['left', 'middle', 'right'];6const modifiers = ['Shift', 'Control', 'Alt', 'Meta'];7const buttonsMask = toButtonsMask(button, buttons);8const modifiersMask = toModifiersMask(modifiers);9console.log('buttonsMask', buttonsMask);10console.log('modifiersMask', modifiersMask);

Using AI Code Generation

1const { toButtonsMask } = require('@playwright/test/lib/internal/utils');2const { MouseButton } = require('@playwright/test/lib/types');3const b1 = toButtonsMask(MouseButton.Left);4const b2 = toButtonsMask(MouseButton.Right);5const b3 = toButtonsMask(MouseButton.Middle);6const b4 = toButtonsMask(MouseButton.Back);7const b5 = toButtonsMask(MouseButton.Forward);8console.log(b1, b2, b3, b4, b5);

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/utils');2const { MouseButton } = require('playwright/lib/server/input');3const button = MouseButton.LEFT;4const mask = toButtonsMask(button);5console.log(mask);6const { toModifiersMask } = require('playwright/lib/utils');7const { Modifier } = require('playwright/lib/server/input');8const modifier = Modifier.CTRL;9const mask = toModifiersMask(modifier);10console.log(mask);11const { toKeyDefinition } = require('playwright/lib/utils');12const { Key } = require('playwright/lib/server/input');13const key = Key.Backspace;14const definition = toKeyDefinition(key);15console.log(definition);16const { toKeyText } = require('playwright/lib/utils');17const { Key } = require('playwright/lib/server/input');18const key = Key.Backspace;19const text = toKeyText(key);20console.log(text);21const { toKeyboardEvent } = require('playwright/lib/utils');22const { Key } = require('playwright/lib/server/input');23const key = Key.Backspace;24const event = toKeyboardEvent(key);25console.log(event);26const { toClickOptions } = require('playwright/lib/utils');27const { MouseButton } = require('playwright/lib/server/input');28const button = MouseButton.LEFT;29const options = toClickOptions(button);30console.log(options);31const { toModifiers } = require('playwright/lib/utils');32const { Modifier } = require('playwright/lib/server/input');33const modifier = Modifier.CTRL;34const modifiers = toModifiers(modifier);35console.log(modifiers);36const { toKeyboardOptions } = require('playwright/lib/utils');37const { Key } = require('playwright/lib/server/input');38const key = Key.Backspace;39const options = toKeyboardOptions(key);40console.log(options);41const { toMouseOptions } = require('playwright/lib/utils');

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/protocol/input');2const modifiers = 0;3const button = 'left';4const buttons = toButtonsMask(button, modifiers);5console.log(buttons);6const { toModifiersMask } = require('playwright/lib/protocol/input');7const modifiers = ['Shift', 'Control'];8const buttons = toModifiersMask(modifiers);9console.log(buttons);

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/server/input');2const mask = toButtonsMask({left:true, right:true, middle:true});3console.log(mask);4const { toModifiersMask } = require('playwright/lib/server/input');5const mask = toModifiersMask({alt:true, control:true, meta:true, shift:true});6console.log(mask);7const { toKeyDefinition } = require('playwright/lib/server/input');8const keyDef = toKeyDefinition({key:'a', code:'KeyA', text:'A', location:1});9console.log(keyDef);10const { toKeyboardEvent } = require('playwright/lib/server/input');11const keyEvent = toKeyboardEvent({type:'keydown', modifiers:{alt:true, control:true, meta:true, shift:true}, timestamp:123, text:'A', unmodifiedText:'A', key:'a', code:'KeyA', location:1});12console.log(keyEvent);13const { toMouseEvent } = require('playwright/lib/server/input');14const mouseEvent = toMouseEvent({type:'mousedown', modifiers:{alt:true, control:true, meta:true, shift:true}, timestamp:123, x:1, y:2, buttons:{left:true, right:true, middle:true}, button:'left'});15console.log(mouseEvent);16const { toWheelEvent } = require('playwright/lib/server/input');17const wheelEvent = toWheelEvent({type:'wheel', modifiers:{alt:true, control:true, meta:true, shift:true}, timestamp

Using AI Code Generation

1const { toButtonsMask } = require('playwright/lib/server/keyboard.js');2const buttons = toButtonsMask({left: true, right: true});3console.log(buttons);4const { toButtonsMask } = require('playwright/lib/server/keyboard.js');5const buttons = toButtonsMask({left: true, right: true});6console.log(buttons);7const { toButtonsMask } = require('playwright/lib/server/keyboard.js');8const buttons = toButtonsMask({left: true, right: true});9console.log(buttons);10const { toButtonsMask } = require('playwright/lib/server/keyboard.js');11const buttons = toButtonsMask({left: true, right: true});12console.log(buttons);13const { toButtonsMask } = require('playwright/lib/server/keyboard.js');14const buttons = toButtonsMask({left: true, right: true});15console.log(buttons);16const { toButtonsMask } = require('playwright/lib/server/keyboard.js');17const buttons = toButtonsMask({left: true, right: true});18console.log(buttons);19const { toButtonsMask } = require('playwright/lib/server/keyboard.js');20const buttons = toButtonsMask({left: true, right: true});21console.log(buttons);22const { toButtonsMask } = require('playwright/lib/server/keyboard.js');23const buttons = toButtonsMask({left: true, right: true});24console.log(buttons);

StackOverFlow community discussions

Questions

Discussion

Running Playwright in Azure Function

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

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

firefox browser does not start in playwright

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

firefox browser does not start in playwright

I played with your example for a while and I got the same errors. These are the things I found that made my example work:

It must be Linux. I know that you mentioned that you picked a Linux plan. But I found that in VS Code that part is hidden, and on the Web the default is Windows. This is important because only the Linux plan runs npm install on the server.

Make sure that you are building on the server. You can find this option in the VS Code Settings:

Make sure you set the environment variable PLAYWRIGHT_BROWSERS_PATH, before making the publish.

https://stackoverflow.com/questions/63949978/running-playwright-in-azure-function

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

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

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“Test frequently and early.” If you’ve been following my testing agenda, you’re probably sick of hearing me repeat that. However, it is making sense that if your tests detect an issue soon after it occurs, it will be easier to resolve. This is one of the guiding concepts that makes continuous integration such an effective method. I’ve encountered several teams who have a lot of automated tests but don’t use them as part of a continuous integration approach. There are frequently various reasons why the team believes these tests cannot be used with continuous integration. Perhaps the tests take too long to run, or they are not dependable enough to provide correct results on their own, necessitating human interpretation.

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