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How to use arrayToObject method in Playwright Internal

Best JavaScript code snippet using playwright-internal

object.test.js

...45      { param1: 'a', param2: 123 },46      { param1: 'b', param2: 345 },47      { param1: 'c', param2: 567 },48    ];49    expect(Object.keys(arrayToObject(array, 'param1'))).toEqual(['a', 'b', 'c']);50    expect(Object.keys(arrayToObject(array, 'param2'))).toEqual(['123', '345', '567']);51    // invalid keyBy52    expect(Object.keys(arrayToObject(array, 'param3'))).toEqual([]);53    // no array54    expect(Object.keys(arrayToObject(null, 'param1'))).toEqual([]);55    expect(Object.keys(arrayToObject([], 'param1'))).toEqual([]);56  });...

index.js

Source: index.js

...34    const group = groups[i];35    const schedule = await getScheduleByGroup(group.name)36    console.log(group.name);37    let scheduleMapped = schedule.map(day => {38       day.firstLesson = arrayToObject(day.firstLesson)39       day.secondLesson = arrayToObject(day.secondLesson)40       day.thirdLesson = arrayToObject(day.thirdLesson)41       day.forthLesson = arrayToObject(day.forthLesson)42       day.fifthLesson = arrayToObject(day.fifthLesson)43       day.sixthLesson = arrayToObject(day.sixthLesson)44       return day;45     })46    allSchedules[group.name] = arrayToObject(scheduleMapped);47  }48  await ref.set(allSchedules, () => {49    console.log('FINALLY');50  });51}52function arrayToObject(array, deep = false) {53  const object = {}54  for (let i = 0; i < array.length; i++) {55    object[i] = array[i]56  }57  return object;...

sort_array_by_value.js

Source: sort_array_by_value.js

1/**2 * Function that enables to sort an array by its values and count the number3 * of occurrences of repetitive elements in array4 * @param {Array} startingArray - The array to be sorted5 * @returns {Array} finalArray - The array with the sorted entries in6 * descending order7 */8const arraytByValue = (startingArray) => {9  let arrayToObject = {}10  // first put every element into a dictionary or object to count the number11  // of occurrences.12  for (const entry in startingArray) {13    if ({}.hasOwnProperty.call(startingArray, entry)) {14      const currentEntry = startingArray[entry]15      if (!(currentEntry in arrayToObject)) {16        arrayToObject[currentEntry] = 117      } else {18        arrayToObject[currentEntry] = arrayToObject[currentEntry] + 119      }20    }21  }22  // puts every instance of this object into an array with a pair array for23  // each entry in object24  const sortable = []25  for (const x in arrayToObject ) {26    if ({}.hasOwnProperty.call(arrayToObject, x)) {27      sortable.push([x, arrayToObject[x]])28    }29  }30  // sorts array by second element in every pairs array31  sortable.sort(function(a, b) {32    return b[1] - a[1]33  })34  // then puts everything in a final array with only species35  const finalArray = []36  for (const pair in sortable) {37    if ({}.hasOwnProperty.call(sortable, pair)) {38      const speciesName = sortable[pair][0]39      const occurrences = sortable[pair][1]40      // needs to be pushed as many times as the occurrences value41      for (let i = 0; i < occurrences; i++) {42        finalArray.push(speciesName)43      }44    }45  }46  return finalArray...

arrayToObject.js

Source: arrayToObject.js

...10        var data = {11            a: [{id: 1, login: 1}, {id: 2, login: 2}]12        };13        var result = {};14        arrayToObject(config, data, result);15        var valid = {16            b: {17                1: {id: 1, login: 1},18                2: {id: 2, login: 2}19            }20        };21        assert.deepEqual(valid, result);22    });23    it('should error on invalid config', function () {24        var data = {25            a: [{id: 1, login: 1}, {id: 2, login: 2}]26        };27        var result = {};28        assert.throws(x => arrayToObject({}, data, result), Error, 'invalid config fo step "arrayToObject"');29        assert.throws(x => arrayToObject({from: 'a'}, data, result), Error, 'invalid config fo step "arrayToObject"');30        assert.throws(x => arrayToObject({to: 'a'}, data, result), Error, 'invalid config fo step "arrayToObject"');31        assert.throws(x => arrayToObject({byKey: 'a'}, data, result), Error, 'invalid config fo step "arrayToObject"');32    });...

arrayToObject.test.js

Source: arrayToObject.test.js

1const { arrayToObject } = require("../lib");2describe("arrayToObject", () => {3  test("Should return an empty object", () => {4    expect(arrayToObject()).toEqual({});5    expect(arrayToObject([])).toEqual({});6    expect(arrayToObject(null)).toEqual({});7    expect(arrayToObject("fff")).toEqual({});8    expect(arrayToObject(55)).toEqual({});9  });10  test("Should return an object with correct keys/values", () => {11    let obj = [33, "foo", "bing"];12    let withVal = ["33", "foo", ["bing", "free"]];13    let withValObj = { "33": undefined, "foo": undefined, "bing": "free" };14    expect(arrayToObject(obj)).toEqual({15      "33": undefined,16      "foo": undefined,17      "bing": undefined,18    });19    expect(arrayToObject(withVal)).toEqual(withValObj);20  });21  test("Should return a nested object with correct keys/values", () => {22    let arr = ["33", "foo", ["bing", "free", ["bop", 72]]];23    let obj = { "33": undefined, "foo": undefined, "bing": { "free": undefined, "bop": 72 }};24    let nestedArr = ["33", "foo", ["bing", "free", ["bop", 72, "bar"]]];25    let nestedObj = { "33": undefined, "foo": undefined, "bing": { "free": undefined, "bop": { "72": undefined, "bar": undefined }}};26    expect(arrayToObject(arr)).toEqual(obj);27    expect(arrayToObject(nestedArr)).toEqual(nestedObj);28  });...

test_01.js

Source: test_01.js

1const { assert } = require('chai');2const { arrayToObject } = require('../answers/01.js');3describe("arrayToObject", () => {4  it("converts an empty array to an empty object", () => {5    assert.deepEqual(arrayToObject([]), {});6  });7  it("tends to return an object", () => {8    const input = [["name", "Jon"]];9    const result = arrayToObject(input);10    assert.isNotArray(result);11    assert.isObject(result);12  });13  it("converts a single sub-array to a key value pair", () => {14    const input = [["name", "Jon"]];15    assert.deepEqual(arrayToObject(input), { name: "Jon" });16  });17  it("converts multiple sub-arrays into a single object", () => {18    const input = [["name", "Jon"], ["lastName", "Snow"], ["pet", "Ghost"]];19    const expected = {20      name: "Jon",21      lastName: "Snow",22      pet: "Ghost"23    };24    assert.deepEqual(arrayToObject(input), expected);25  });...

5.js

Source: 5.js

1// 5. ÐÐ°Ð¿Ð¸ÑÐ¸ÑÐµ Ð¼ÐµÑÐ¾Ð´ arrayToObject ÐºÐ¾ÑÐ¾ÑÑÐ¹ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÑÑ Ð¾Ð±ÑÐµÐºÑ(Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÑ ÑÐµÐºÑÑÑÐ¸Ñ). ÐÑÐ¸Ð¼ÐµÑ:2// var arr = [['name', 'developer'], ['age', 5], ['skills', [['html',4], ['css', 5], ['js',5]]]];3// console.log(arrayToObject(arr))4// // Outputs: {5// 	name: 'developer',6// 	age: 5,7// 	skills: {8// 		html: 4,9// 		css: 5,10// 		js: 511// 	}12// }13const arr = [14  ["name", "developer"],15  ["age", 5],16  [17    "skills",18    [19      ["html", 4],20      ["css", 5],21      ["js", 5],22    ],23  ],24];25function arrayToObject(arr) {26  return Array.isArray(arr)27    ? arr.reduce(28        (obj, el) => (el && (obj[el[0]] = arrayToObject(el[1])), obj),29        {}30      )31    : arr;32}...

array-to-object-spec.js

Source: array-to-object-spec.js

1'use strict';2const arrayToObject = require('../../src/util/array-to-object');3describe('arrayToObject', () => {4	it('fills in an object by joining an array of properties with the names of the properties', () => {5		expect(arrayToObject(['a', 'b', 'c'], ['na', 'nb', 'nc'])).toEqual({na: 'a', nb: 'b', nc: 'c'});6	});7	it('survives unequal length arrays', () => {8		expect(arrayToObject(['a'], ['na', 'nb'])).toEqual({na: 'a'});9		expect(arrayToObject(['a', 'b'], ['na'])).toEqual({na: 'a'});10	});11	it('survives empty arrays', () => {12		expect(arrayToObject([], ['na', 'nb'])).toEqual({});13		expect(arrayToObject(['a', 'b'], [])).toEqual({});14	});15	it('throws if arguments are not arrays', () => {16		expect(() => arrayToObject({}, ['na'])).toThrowError(/values must be an array/);17		expect(() => arrayToObject(['a'], {})).toThrowError(/names must be an array/);18	});...

Using AI Code Generation

1const { arrayToObject } = require('playwright/lib/utils/utils');2const myArray = [1, 2, 3, 4, 5];3const myObject = arrayToObject(myArray, (value) => value);4console.log(myObject);5const { arrayToObject } = require('playwright/lib/utils/utils');6const myArray = [1, 2, 3, 4, 5];7const myObject = arrayToObject(myArray, (value) => value);8console.log(myObject);9const { arrayToObject } = require('playwright/lib/utils/utils');10const myArray = [1, 2, 3, 4, 5];11const myObject = arrayToObject(myArray, (value) => value);12console.log(myObject);13const { arrayToObject } = require('playwright/lib/utils/utils');14const myArray = [1, 2, 3, 4, 5];15const myObject = arrayToObject(myArray, (value) => value);16console.log(myObject);17const { arrayToObject } = require('playwright/lib/utils/utils');18const myArray = [1, 2, 3, 4, 5];19const myObject = arrayToObject(myArray, (value) => value);20console.log(myObject);21const { arrayToObject } = require('playwright/lib/utils/utils');22const myArray = [1, 2, 3, 4, 5];23const myObject = arrayToObject(myArray, (value) => value);24console.log(myObject);25const { arrayToObject } = require('playwright/lib/utils/utils');26const myArray = [1, 2, 3, 4, 5];27const myObject = arrayToObject(myArray, (value) => value);28console.log(myObject);

Using AI Code Generation

1const { arrayToObject } = require('@playwright/test/lib/utils/utils');2const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);3console.log(obj);4const { arrayToObject } = require('@playwright/test/lib/utils/utils');5const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);6console.log(obj);7const { arrayToObject } = require('@playwright/test/lib/utils/utils');8const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);9console.log(obj);10const { arrayToObject } = require('@playwright/test/lib/utils/utils');11const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);12console.log(obj);13const { arrayToObject } = require('@playwright/test/lib/utils/utils');14const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);15console.log(obj);16const { arrayToObject } = require('@playwright/test/lib/utils/utils');17const obj = arrayToObject(['a', 'b', 'c'], (key, i) => [key + i, i]);18console.log(obj);

Using AI Code Generation

1const { arrayToObject } = require('@playwright/test/lib/utils/utils');2const obj = arrayToObject(['a', 'b', 'c'], (x) => x.toUpperCase());3console.log(obj);4{ A: 'a', B: 'b', C: 'c' }5const { arrayToObject } = require('@playwright/test/lib/utils/utils');6const obj = arrayToObject(['a', 'b', 'c'], (x) => x.toUpperCase());7console.log(obj);8{ A: 'a', B: 'b', C: 'c' }

Using AI Code Generation

1const { arrayToObject } = require('playwright/lib/utils/utils');2const obj = arrayToObject(['one', 'two', 'three'], (item, index) => [item, index + 1]);3const context = await browser.newContext({ incognito: true });4const page = await context.newPage();5await context.close();6const browser = await chromium.launch();7browser.on('close', () => console.log('Browser closed!'));8const browser = await chromium.launch();9setTimeout(() => browser.close(), 5000);10const browser = await chromium.launch();11setTimeout(() => browser.close().catch(() => {}), 5000);12browser.on('close', () => console.log('Browser closed!'));

Using AI Code Generation

1const { arrayToObject } = require('playwright/lib/server/frames');2  { foo: 'bar' },3  { baz: 'qux' },4];5const obj = arrayToObject(arr, 'foo');6console.log(obj);7const { arrayToObject } = require('playwright/lib/server/frames');8  { foo: 'bar' },9  { baz: 'qux' },10];11const obj = arrayToObject(arr, 'foo');12console.log(obj);13const { arrayToObject } = require('playwright/lib/server/frames');14  { foo: 'bar' },15  { baz: 'qux' },16];17const obj = arrayToObject(arr, 'foo');18console.log(obj);19const { arrayToObject } = require('playwright/lib/server/frames');20  { foo: 'bar' },21  { baz: 'qux' },22];23const obj = arrayToObject(arr, 'foo');24console.log(obj);25const { arrayToObject } = require('playwright/lib/server/frames');26  { foo: 'bar' },27  { baz: 'qux' },28];29const obj = arrayToObject(arr, 'foo');30console.log(obj);31const { arrayToObject } = require('playwright/lib/server/frames');32  { foo: 'bar' },33  { baz: 'qux' },34];35const obj = arrayToObject(arr, 'foo');36console.log(obj);

StackOverFlow community discussions

Questions

Discussion

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

Running Playwright in Azure Function

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

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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