How to use parseTrace method in Playwright Internal

Best JavaScript code snippet using playwright-internal

03.js

Source: 03.js Github

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...30 [start],31 path32)33const determineCrossovers = ([trace1, trace2]) => {34 const path1 = pathCoords([0,0], parseTrace(trace1))35 const path2 = pathCoords([0,0], parseTrace(trace2))36 return fasterIntersection(path1, path2)37}38const part1 = ([trace1, trace2]) => {39 /​/​ Calculates the sum of absolute values of x and y in a coord40 /​/​ [1,2] -> 3, [4,-5] -> 941 const sumAbsCoords = compose(apply(add), lift(Math.abs))42 const crossovers = determineCrossovers([trace1, trace2])43 const nearest = reduce(minBy(sumAbsCoords), [Infinity,Infinity], tail(crossovers))44 return sumAbsCoords(nearest)45}46const part2 = (traces) => {47 const [path1, path2] = map(t => pathCoords([0,0], parseTrace(t)), traces)48 const crossovers = tail(fasterIntersection(path1, path2))49 const closest = compose(reduce(min, Infinity), map(apply(add)))50 return closest(map(crossover => map(indexOf(crossover), [path1, path2]), crossovers))51}52const testsets = [53 /​/​ -> First part - distance54 {55 fn: part1,56 data: [57 [['R8,U5,L5,D3','U7,R6,D4,L4'], 6],58 [['R75,D30,R83,U83,L12,D49,R71,U7,L72','U62,R66,U55,R34,D71,R55,D58,R83'], 159],59 [['R98,U47,R26,D63,R33,U87,L62,D20,R33,U53,R51','U98,R91,D20,R16,D67,R40,U7,R15,U6,R7'], 135],60 [input, 1211]61 ],...

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index.js

Source: index.js Github

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1var spawn = require('child_process').spawn2var parsetrace = require('parsetrace')3var path = require('path')4var fs = require('fs')5var NUM_NODES = 16var COUNTDOWN = 60007module.exports = cluster8function cluster () {9 const state = {10 running: false,11 idx: 0,12 nodes: []13 }14 for (var i = 0; i < NUM_NODES; i++) {15 state.nodes.push(createSpawn())16 }17 return {run: run, isRunning: isRunning, stop: stop}18 function run (file, cb) {19 cb = cb || function (err) { return err }20 if (!isRunning()) {21 var node = state.nodes[state.idx]22 setCallback(node, path.basename(file), cb)23 state.running = true24 node.stdin.write(file, 'utf-8')25 state.nodes[state.idx] = createSpawn()26 state.idx = (state.idx + 1) % NUM_NODES27 return node28 } else {29 cb(new Error('Already running'))30 }31 }32 function isRunning () {33 return state.running34 }35 function stop () {36 state.nodes.every(function (node) {37 node.kill()38 })39 }40 function setCallback (node, file, cb) {41 node.on('exit', function () {42 setTimeout(function () {43 state.running = false44 cb()45 }, COUNTDOWN)46 })47 }48}49function createSpawn () {50 var n = spawn('node', [path.join(__dirname, 'run.js')])51 n.stdout.setEncoding('utf-8')52 n.stderr.setEncoding('utf-8')53 n.stderr.on('data', function (data) {54 getErrorMessage(data)55 node.kill()56 })57 n.stdout.on('data', function (data) {58 fs.appendFileSync(path.resolve('log.txt'), data)59 })60 return n61}62function getErrorMessage (data, fileName) {63 var trace = parsetrace({stack: data}).object()64 var lineNum = trace.frames.reduce(function (str, next) {65 if (next.file.indexOf('run.js') > -1 && !str) {66 str += next.line67 return str68 } else {69 return str70 }71 }, '')72 var err = [73 'Error: ' + trace.error,74 'File: ' + fileName,75 'Line: ' + lineNum,76 '\n'77 ].join('\n')78 if (lineNum) {79 fs.appendFileSync(path.resolve('log.txt'), err)80 }...

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parseErrorStack.js

Source: parseErrorStack.js Github

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1const stackTrace = require("stack-trace");2module.exports = (err) => {3 try {4 const parseTrace = stackTrace.parse(err)[0];5 const obj = {6 stackTrace: err.stack,7 code: err.code || null,8 fileName: parseTrace.getFileName(),9 lineNumber: parseTrace.getLineNumber(),10 functionName: parseTrace.getFunctionName(),11 columnNumber: parseTrace.getColumnNumber(),12 };13 return obj;14 } catch (e) {15 const obj = {16 stackTrace: (err && err.stack) || null,17 code: (err && err.code) || null,18 fileName: null,19 lineNumber: null,20 functionName: null,21 columnNumber: null,22 };23 return obj;24 }...

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utils.js

Source: utils.js Github

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1"use realm backend-raw";2realm.module("realm.router.utils.path2exp", function() {3 return require('path-to-regexp');4});5realm.module("realm.router.utils.lodash", function() {6 return require("lodash");7});8realm.module("realm.router.utils.Promise", function() {9 return require("promise");10});11realm.module("realm.router.utils.parsetrace", function() {12 return require('parsetrace');13});14realm.module("realm.router.utils.swig", function() {15 return require('swig');16});17realm.module("realm.router.utils.jsep", function() {18 return require('jsep');19});20realm.module("realm.router.utils.chalk", function() {21 return require('chalk');22});23realm.module("realm.router.utils.logger", function() {24 return require('log4js').getLogger('realm.router');...

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errorHandler.js

Source: errorHandler.js Github

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1'use strict';2var parsetrace = require('parsetrace');3var dust = require('dustjs-linkedin');4function stacktrace(e) {5 var errors = JSON.parse(parsetrace(e, { sources: true }).json());6 return errors;7}8module.exports = function(template) {9 if (!dust.helpers) {10 dust.helpers = {};11 }12 return function serverError(err, req, res, next) {13 console.log('ERR in liberror')14 console.log(err)15 var model = {16 url: req.url || '',17 err: stacktrace(err || ''),18 statusCode: 500,19 next: next20 };21 if (req.xhr) {22 res.status(500).send(model);23 } else {24 res.status(500);25 res.render(template, model);26 }27 };...

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tools.parseTrace.test.js

Source: tools.parseTrace.test.js Github

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1describe('tools.parseTrace', () => {2 const parseTrace = require('lib/​tools/​parseTrace.js');3 it('Parses a trace', () => {4 const trace = parseTrace(new Error());5 console.log(trace);6 expect(trace[0].file).toEqual('tests/​tools.parseTrace.test.js');7 expect(trace[0].line).toEqual(5);8 expect(trace[0].function).toEqual('Anonymous');9 });...

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traceback.js

Source: traceback.js Github

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1var realm = require("../​realm.js").realm;2var _ = require('lodash')3var parsetrace = require('parsetrace');4var swig = require('swig');5module.exports = function(e){6 var error = parsetrace(e, { sources: true }).object();7 return swig.renderFile(__dirname + '/​traceback.html', {8 error: error9 });...

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parse-error-frames.js

Source: parse-error-frames.js Github

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1const parsetrace = require('parsetrace')2const { pipe, prop } = require('ramda')3const parseErrorTrace = 4 pipe(parsetrace,5 (x) => x.object(),6 prop('frames'))...

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright["chromium"].launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.click('text=Docs');7 await page.click('text=API');8 const trace = await page.context().tracing.stop({ path: 'trace.zip' });9 const parsedTrace = await page.context().tracing.parseTrace(trace);10 console.log(parsedTrace);11 await browser.close();12})();13{14 "metadata": {15 "otherData": {16 "STORAGE": {}17 }18 },19 {20 "args": {21 "data": {22 }23 }24 },25 {26 "args": {27 "data": {28 }29 }30 },31 {32 "args": {33 "data": {

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Using AI Code Generation

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1const { parseTrace } = require('playwright/​lib/​utils/​traceTypes');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 await page.close();7 await browser.close();8 const trace = await page.context().tracing.stop({ path: 'trace.json' });9 const parsedTrace = parseTrace(trace);10 console.log(JSON.stringify(parsedTrace, null, 2));11})();12{13 "metadata": {14 },15 {16 {

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Using AI Code Generation

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1const { parseTrace } = require('playwright/​lib/​server/​trace/​common/​traceModel');2const fs = require('fs');3const trace = fs.readFileSync('trace.json', 'utf8');4const parsedTrace = parseTrace(trace);5console.log(parsedTrace);6"scripts": {7 }

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Using AI Code Generation

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1const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');2const trace = require('./​trace.json');3const parsedTrace = parseTrace(trace);4console.log(parsedTrace);5const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');6const trace = require('./​trace.json');7const parsedTrace = parseTrace(trace);8console.log(parsedTrace);9const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');10const trace = require('./​trace.json');11const parsedTrace = parseTrace(trace);12console.log(parsedTrace);13const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');14const trace = require('./​trace.json');15const parsedTrace = parseTrace(trace);16console.log(parsedTrace);17const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');18const trace = require('./​trace.json');19const parsedTrace = parseTrace(trace);20console.log(parsedTrace);21const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');22const trace = require('./​trace.json');23const parsedTrace = parseTrace(trace);24console.log(parsedTrace);25const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');26const trace = require('./​trace.json');27const parsedTrace = parseTrace(trace);28console.log(parsedTrace);29const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');30const trace = require('./​trace.json');31const parsedTrace = parseTrace(trace);32console.log(parsedTrace);33const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');34const trace = require('./​trace.json');35const parsedTrace = parseTrace(trace);36console.log(parsedTrace);37const { parseTrace } = require('playwright-core/​lib/​utils/​traceTypes');38const trace = require('./​trace.json');

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Using AI Code Generation

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1const { parseTrace } = require('@playwright/​test/​lib/​utils/​trace');2const trace = require('./​trace.json');3const parsedTrace = parseTrace(trace);4console.log(parsedTrace);5const { chromium } = require('playwright');6(async () => {7 const browser = await chromium.launch();8 const context = await browser.newContext(parsedTrace.context);9 const page = await context.newPage(parsedTrace.page);10 await page.goto(parsedTrace.actions[0].args.url);11 await page.close();12 await context.close();13 await browser.close();14})();15{16 context: {17 viewport: { width: 1280, height: 720 },18 userAgent: 'Mozilla/​5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​87.0.4280.88 Safari/​537.36'19 },20 page: {21 viewportSize: { width: 1280, height: 720 },22 userAgent: 'Mozilla/​5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​87.0.4280.88 Safari/​537.36',23 },24 {25 }26}

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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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