How to use processOnce method in Playwright Internal

Best JavaScript code snippet using playwright-internal

tests-worker.js

Source:tests-worker.js Github

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...149 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], {150 // bytes: 100,151 // workers: 1,152 // });153 // let results = await pool.processOnce([data.compilation[0]]);154 // should.ok(results);155 // should.ok(results.results);156 // should.equal(results.results.length, 1);157 // should.equal(results.results[0], data.compilation[0]._id);158 // }).timeout(5000);159 it('streaming & multiplexing works', done => {160 let total = 200000,161 dbdata = {162 connection_error: {163 0: true,164 5555: true,165 9999: true166 },167 token_invalid: {168 1: true,169 7777: true170 },171 token_expired: {172 8888: true,173 10000: true,174 10001: true,175 10002: true176 },177 token_changed: {178 6666: true,179 15000: true,180 15001: true,181 19998: true,182 19999: true183 },184 },185 // push_bulk_writes = total +186 // (-3) + // connection error187 // 3 + // token invalid: unset188 // 3 + // token expired: unset189 // 4, // token changed: set190 db = db_fixture(dbdata, total),191 state = new State(cfg),192 pushes = db.collection('push').find({d: {$lte: this.last}}).sort({d: 1}).stream(),193 connector = new Connector(log, db, state, 100000),194 batcher = new Batcher(log, state, 1000),195 resultor = new Resultor(log, db, state, 100000, () => pushes.readableEnded && batcher.writableEnded),196 flush;197 require('../../../api/utils/common').db = db;198 pushes199 .pipe(connector, {end: false})200 .pipe(batcher, {end: false})201 .pipe(resultor, {end: false});202 pushes.once('close', () => {203 connector.end();204 });205 connector.once('close', () => {206 batcher.end();207 });208 // batcher.once('close', () => {209 // resultor.end(function() {210 // resultor.destroy();211 // });212 // });213 // connector.on('close', () => batcher.closeOnSyn());214 // wait for last stream close215 resultor.once('close', () => {216 this.log.i('close');217 pools.exit();218 should.equal(dbdata.pushDeletes.length, total);219 should.equal(Object.keys(dbdata.bulks).length, 1);220 let bulks = dbdata.bulks[Object.keys(dbdata.bulks)[0]];221 let unsets = [],222 sets = [],223 users = [];224 bulks.forEach(update => {225 if (update.updateOne) {226 update = update.updateOne;227 if (update.update.$unset) {228 unsets.push(update.filter._id);229 }230 else if (update.update.$set) {231 sets.push(update.filter._id);232 }233 }234 else if (update.updateMany) {235 update = update.updateMany;236 if (update.update.$unset) {237 unsets.push(...update.filter._id.$in);238 }239 else if (update.update.$set) {240 users.push(...update.filter._id.$in);241 }242 }243 });244 should.equal(unsets.length, 2 + 4);245 should.equal(sets.length, 5);246 should.equal(users.length, total - 3 - 4 - 2); // connection error + expired + invalid247 should.equal(dbdata.messageSaves.length, 2);248 should.equal(dbdata.messageSaves[1].result.errors['Connection error'], 3);249 should.equal(dbdata.messageSaves[1].result.errors['Token expired'], 4);250 should.equal(dbdata.messageSaves[1].result.errors['Token invalid'], 2);251 should.equal(dbdata.messageSaves[1].result.processed, total);252 should.equal(dbdata.messageSaves[1].result.sent, total - 3 - 4 - 2);253 should.equal(dbdata.messageSaves[1].result.subs.t.errors['Connection error'], 3);254 should.equal(dbdata.messageSaves[1].result.subs.t.errors['Token expired'], 4);255 should.equal(dbdata.messageSaves[1].result.subs.t.errors['Token invalid'], 2);256 // connector.synAndDestroy();257 // resultor.destroy();258 // batcher.destroy();259 // connector.destroy();260 done();261 });262 pushes.on('error', err => {263 console.error('Streaming error', err);264 done(err);265 });266 resultor.on('error', err => {267 console.error('Resultor error', err);268 done(err);269 });270 batcher.on('error', err => {271 console.error('Batching error', err);272 done(err);273 });274 connector.on('error', err => {275 console.error('Connector error', err);276 done(err);277 });278 resultor.on('close', () => {279 log.i('close');280 });281 }).timeout(100000);282 });283 // describe('VALIDATE', () => {284 // it('validate works: ok', async() => {285 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {286 // bytes: 100,287 // workers: 1,288 // e_send_recoverable: 'Test error'289 // }));290 // await pool.validate().then(ok => {291 // should.ok(ok);292 // }, error => {293 // console.log(error);294 // should.fail('error is thrown');295 // });296 // });297 // it('validate works: fail', async() => {298 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {299 // bytes: 100,300 // workers: 1,301 // e_connect: [ERROR.INVALID_CREDENTIALS, 401, 'Wrong credentials']302 // }));303 // await pool.validate().then(ok => {304 // should.equal(ok, false);305 // }, error => {306 // console.log(error);307 // should.fail('error is thrown');308 // });309 // });310 // });311 // describe('ERROR HANDLING', () => {312 // it('processOnce handles connection errors', async() => {313 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {314 // bytes: 100,315 // workers: 1,316 // e_connect: [ERROR.CONNECTION_PROVIDER, 401, 'Wrong credentials']317 // }));318 // await pool.processOnce([data.compilation[0]]).then(() => {319 // should.fail('no ConnectionError error thrown');320 // }, error => {321 // should.ok(error instanceof ConnectionError);322 // should.ok(error.message);323 // should.ok(error.message.includes('Wrong credentials'));324 // });325 // });326 // it('processOnce handles mid-sending recoverable errors', async() => {327 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {328 // bytes: 100,329 // workers: 1,330 // e_send_recoverable: 'Test error'331 // }));332 // await pool.processOnce(data.compilation.slice(0, 3)).then(res => {333 // should.ok(res);334 // should.ok(res.results);335 // should.ok(res.errors);336 // should.equal(res.results.length, 2);337 // should.equal(res.errors.length, 1);338 // should.ok(res.errors[0] instanceof SendError);339 // should.equal(res.errors[0].affected.length, 1);340 // }, error => {341 // console.error(error);342 // should.fail('processOnce rejected');343 // });344 // }).timeout(5000);345 // it('processOnce handles mid-sending non recoverable connection errors with no affected', async() => {346 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {347 // bytes: 100,348 // workers: 1,349 // e_send_nonrecoverable: ['Test error', ERROR.CONNECTION_PROVIDER]350 // }));351 // await pool.processOnce(data.compilation.slice(0, 5)).then(res => {352 // should.ok(res);353 // should.ok(res.results);354 // should.ok(res.left);355 // should.ok(res.errors);356 // should.equal(res.results.length, 3);357 // should.equal(res.errors.length, 0);358 // should.equal(res.left.length, 2);359 // should.equal(res.left[0], data.compilation[3]._id);360 // should.equal(res.left[1], data.compilation[4]._id);361 // }, error => {362 // console.error(error);363 // should.fail('processOnce rejected');364 // });365 // }).timeout(5000);366 // it('processOnce handles mid-sending non recoverable connection errors with affected', async() => {367 // let pool = new Pool('test-x', 't', new CREDS.test(), [data.messages.m1], Object.assign({}, cfg, {368 // bytes: 100,369 // workers: 1,370 // e_send_nonrecoverable: ['Test error', ERROR.CONNECTION_PROXY]371 // }));372 // await pool.processOnce(data.compilation.slice(0, 5)).then(res => {373 // should.ok(res);374 // should.ok(res.results);375 // should.ok(res.left);376 // should.ok(res.errors);377 // should.equal(res.results.length, 2);378 // should.equal(res.errors.length, 1);379 // should.equal(res.left.length, 2);380 // should.equal(res.errors[0].affected[0], data.compilation[2]._id);381 // should.equal(res.left[0], data.compilation[3]._id);382 // should.equal(res.left[1], data.compilation[4]._id);383 // }, error => {384 // console.error(error);385 // should.fail('processOnce rejected');386 // });...

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loader.spec.js

Source:loader.spec.js Github

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1import {2 compile,3 multiCompile,4 fs,5 pathToArtifacts6} from './compile';7import CustomGenerator from './CustomGenerator';8import CustomGeneratorForEmitFile from './CustomGeneratorForEmitFile';9jest.setTimeout(50000);10function findModuleSourceByName(stats, name) {11 if (!stats.modules) {12 return null;13 }14 for (const module of stats.modules) {15 if (module.name === name) {16 return module.source;17 }18 }19 for (const module of stats.modules) {20 const foundModuleSource = findModuleSourceByName(module, name);21 if (foundModuleSource) {22 return foundModuleSource;23 }24 }25 return null;26}27describe('srcset-loader', () => {28 it('should emit files', async () => {29 const stats = await compile('image.js', {30 rules: [{31 match: '(max-width: 3000px)',32 width: [1, 1920, 1280, 720, 560, 320],33 format: ['webp', 'jpg']34 }],35 scalingUp: false36 });37 const source = findModuleSourceByName(stats, './Felix.jpg');38 const commonjsSource = findModuleSourceByName(stats, './Felix.jpg?commonjs');39 const artifacts = fs.readdirSync(pathToArtifacts);40 expect(source.replace(41 /(__webpack_public_path__ \+ ").*(\.\w+")/gi,42 '$1asset$2'43 )).toMatchSnapshot();44 expect(commonjsSource.replace(45 /(__webpack_public_path__ \+ ").*(\.\w+")/gi,46 '$1asset$2'47 )).toMatchSnapshot();48 expect(artifacts.length).toBe(8);49 });50 it('should use custom generator and image url', async () => {51 const stats = await compile('image.js', {52 rules: [{53 width: [320, 64],54 format: ['webp', 'jpg']55 }],56 publicPath: 'https://my.imgproxy.com/',57 generator: CustomGenerator58 });59 const source = findModuleSourceByName(stats, './Felix.jpg');60 const commonjsSource = findModuleSourceByName(stats, './Felix.jpg?commonjs');61 expect(source).toMatchSnapshot();62 expect(commonjsSource).toMatchSnapshot();63 });64 it('should use custom generator and emit file', async () => {65 const stats = await compile('image.js', {66 rules: [{67 width: [320, 64],68 format: ['webp', 'jpg']69 }],70 publicPath: 'https://my.imgproxy.com/',71 generator: CustomGeneratorForEmitFile72 });73 const source = findModuleSourceByName(stats, './Felix.jpg');74 const commonjsSource = findModuleSourceByName(stats, './Felix.jpg?commonjs');75 expect(source).toMatchSnapshot();76 expect(commonjsSource).toMatchSnapshot();77 });78 it('should use custom generator without publicPath and throw an error', async () => {79 await expect(compile('image.js', {80 generator: CustomGenerator81 })).rejects.toThrow('For external mode `publicPath` must be full URL with protocol and hostname');82 });83 it('should use custom generator without full url in publicPath and throw an error', async () => {84 await expect(compile('image.js', {85 publicPath: '/test',86 generator: CustomGenerator87 })).rejects.toThrow('For external mode `publicPath` must be full URL with protocol and hostname');88 });89 it('should use cache with runtimeModulesCache option', async () => {90 // Warm up91 await multiCompile('image.js', {92 rules: [{93 match: '(max-width: 3000px)',94 width: [1, 1920, 1280, 720, 560, 320],95 format: ['webp', 'jpg']96 }],97 scalingUp: false,98 processOnce: false99 });100 await multiCompile('image.js', {101 rules: [{102 match: '(max-width: 3000px)',103 width: [1, 1920, 1280, 720, 560, 320],104 format: ['webp', 'jpg']105 }],106 scalingUp: false,107 processOnce: true108 });109 let stats = null;110 stats = await multiCompile('image.js', {111 rules: [{112 match: '(max-width: 3000px)',113 width: [1, 1920, 1280, 720, 560, 320],114 format: ['webp', 'jpg']115 }],116 scalingUp: false,117 processOnce: true118 });119 const timeWithCache = stats.children.reduce((sum, stats) => sum + stats.time, 0);120 stats = await multiCompile('image.js', {121 rules: [{122 match: '(max-width: 3000px)',123 width: [1, 1920, 1280, 720, 560, 320],124 format: ['webp', 'jpg']125 }],126 scalingUp: false,127 processOnce: false128 });129 const timeWithoutCache = stats.children.reduce((sum, stats) => sum + stats.time, 0);130 expect(timeWithoutCache).toBeGreaterThan(timeWithCache);131 });...

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merger.js

Source:merger.js Github

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1#! /usr/bin/env node2"use strict"3const fs = require('fs');4const path = require('path');5const readline = require('readline');6const opt = require('node-getopt').create([7 ['h', 'help', 'Display this help'],8 ['o', 'output=FILE', 'File to write merged output to.'],9 ['w', 'working-dir=DIR', 'Directory holding the cpp files.'],10 ['e', 'exclude-dir=DIR', 'Directory in the working dir to exclude from the merge.'],11 ['m', 'main-file=FILE', 'File to start with']12 ])13 .bindHelp()14 .parseSystem();15var workDir = opt.options['working-dir'] ? opt.options['working-dir'] : '.';16var outputFile = opt.options['output'] ? opt.options['output'] : 'merged';17var excludeDir = opt.options['exclude-dir'] ? opt.options['exclude-dir'] : 'generated';18var mainFile = opt.options['main-file'] ? path.join(workDir, opt.options['main-file']): null;19var mainIsProcessed = false;20var processOnce = []; //Array holds files which had '#pragma once'21//Wipe file to start22fs.writeFileSync(outputFile, "");23if (mainFile) {24 processFile(mainFile, false);25 mainIsProcessed = true;26}27processDir(workDir);28function processDir(dir)29{30 let nodes = fs.readdirSync(dir);31 for (let i = 0; i < nodes.length; i++)32 {33 let node = nodes[i];34 let fullPath = path.join(dir, node);35 let stat = fs.statSync(fullPath);36 if (stat.isDirectory() && path.basename(fullPath) != excludeDir) {37 processDir(fullPath);38 } else if (stat.isFile()) {39 processFile(fullPath, false);40 }41 }42}43function processFile(file, include) {44 let processedOnce = false;45 for (let i = 0; i < processOnce.length; i++) {46 if (processOnce[i] == file) {47 processedOnce = true;48 break;49 }50 }51 52 if (file === mainFile && mainIsProcessed || file == outputFile) {53 return; //Main can be processed on its own at the start54 } else if (path.extname(file) == ".hpp" && !include) {55 return;56 } else if (path.extname(file) == ".cpp") {57 console.log('Processing ' + file);58 fs.appendFileSync(outputFile, "/*-- File: " + file + " start --*/\n");59 } else if (path.extname(file) == ".hpp" || path.extname(file) == ".h") {60 console.log("Including: ", file);61 fs.appendFileSync(outputFile, "/*-- #include \"" + file + "\" start --*/\n");62 } else {63 //File can be ignored64 return;65 }66 if (!processedOnce) {67 let fileContent = fs.readFileSync(file, {encoding: "utf8"});68 let lines = fileContent.split("\n");69 for (let i = 0; i < lines.length; i++) {70 let line = lines[i];71 if (line.indexOf("#include \"") >= 0) {72 let includedFile = line.substring(line.indexOf("\"") + 1, line.lastIndexOf("\""));73 includedFile = path.join(path.dirname(file), includedFile);74 processFile(includedFile, true);75 } else if (line.indexOf("#pragma once") >= 0) {76 processOnce.push(file);77 } else {78 fs.appendFileSync(outputFile, line + "\n");79 }80 }81 }82 if (path.extname(file) == ".cpp") {83 fs.appendFileSync(outputFile, "/*-- File: " + file + " end --*/\n");84 } else if (path.extname(file) == ".hpp") {85 fs.appendFileSync(outputFile, "/*-- #include \"" + file + "\" end --*/\n");86 }...

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beforeShutdown.js

Source:beforeShutdown.js Github

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...72 return listener73}74// Register shutdown callback that kills the process after `SHUTDOWN_TIMEOUT` milliseconds75// This prevents custom shutdown handlers from hanging the process indefinitely76processOnce(SHUTDOWN_SIGNALS, forceExitAfter(SHUTDOWN_TIMEOUT))77// Register process shutdown callback78// Will listen to incoming signal events and execute all registered handlers in the stack79processOnce(SHUTDOWN_SIGNALS, shutdownHandler)...

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before-shutdown.js

Source:before-shutdown.js Github

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...67 return listener;68}69// Register shutdown callback that kills the process after `SHUTDOWN_TIMEOUT` milliseconds70// This prevents custom shutdown handlers from hanging the process indefinitely71processOnce(SHUTDOWN_SIGNALS, forceExitAfter(SHUTDOWN_TIMEOUT));72// Register process shutdown callback73// Will listen to incoming signal events and execute all registered handlers in the stack74processOnce(SHUTDOWN_SIGNALS, shutdownHandler);...

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code.js

Source:code.js Github

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...35}36function searchFor(query) {37 query = query.toLowerCase();38 let walker = walkTree(figma.currentPage);39 function processOnce() {40 let results = [];41 let count = 0;42 let done = true;43 let res;44 while (!(res = walker.next()).done) {45 let node = res.value;46 if (node.type === 'TEXT') {47 let characters = node.characters.toLowerCase();48 if (characters.includes(query)) {49 results.push(node.id);50 }51 }52 if (++count === 1000) {53 done = false;54 timer = setTimeout(processOnce, 20);55 break;56 }57 }58 figma.ui.postMessage({ query, results, done });59 }60 processOnce();...

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index.ts

Source:index.ts Github

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...21 };22 const watcher = chokidar.watch(options.search, watcherOptions);23 watcher24 .on('error', error => log(`Watcher error: ${error}`))25 .on("add", async (pathName: string) => await processOnce(`Added ${pathName}`))26 .on("change", async (pathName: string) => await processOnce(`Change ${pathName}`))27 .on("unlink", async (pathName: string) => await processOnce(`Removed ${pathName}`));28};29async function processOnce(cmd: string) {30 log(cmd);31 const { outputFilePath, importPaths } = await runOnce({32 rootPath: options.from,33 patterns: options.search,34 outputPath: options.output,35 ignorePaths36 });37 log(`Saving to: ${outputFilePath}`);38 const output = generateOutput(importPaths);39 if (!options.dryRun) {40 writeFileSync(outputFilePath, output, 'utf8');41 log('Saved.');42 }43 log('');...

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doWithLoading.js

Source:doWithLoading.js Github

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1function doWithLoading(fn) {2 console.log('начало загрузки');3 let value = fn();4 console.log(value);5 console.log('конец загрузки');6}7function process() {8 console.log('загружаем...');9}10doWithLoading(process);11function once(fn) {12 let returnValue;13 let canRun = true;14 return function runOnce() {15 if (canRun) {16 console.log(`----------------------------------`);17 returnValue = fn.apply(this, arguments);18 console.log(`----------------------------------`);19 canRun = false;20 } else {21 returnValue = console.log(`can't run anymore`);22 }23 return returnValue;24 };25}26const processonce = once(process);27processonce();28processonce();29processonce();30function log(level, message) {}31var logInfo = log.bind(null, 'Info');...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: `example.png` });7 await browser.close();8})();

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Using AI Code Generation

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1import { chromium } from 'playwright';2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: `example.png` });7 await browser.close();8})();9import { chromium } from 'playwright';10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 await page._processOnce('load');15 await page.screenshot({ path: `example.png` });16 await browser.close();17})();

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Using AI Code Generation

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1const { processOnce } = require('playwright/lib/server/browserType');2(async () => {3 const browser = await processOnce('chromium');4 const page = await browser.newPage();5 await page.screenshot({ path: 'example.png' });6 await browser.close();7})();

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Using AI Code Generation

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1const { processOnce } = require("playwright/lib/server/inspector");2const { chromium } = require("playwright");3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const message = await processOnce(page);8 console.log(message);9 await browser.close();10})();11const { processOnce } = require("playwright/lib/server/inspector");12const { chromium } = require("playwright");13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 const message = await processOnce(page);18 console.log(message);19 await browser.close();20})();21const { processOnce } = require("playwright/lib/server/inspector");22const { chromium } =

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Using AI Code Generation

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1const { chromium } = require("playwright");2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const response = await page.route("**", (route) => {7 route.fulfill({ body: "Hello World" });8 });9 await browser.close();10})();

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Using AI Code Generation

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1const { processOnce } = require('playwright/lib/protocol/protocol.js');2const { chromium } = require('playwright');3const path = require('path');4const browser = await chromium.launch();5const page = await browser.newPage();6await processOnce(page, 'Page.loadEventFired');7await page.screenshot({ path: path.join(__dirname, 'example.png') });8await browser.close();

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Using AI Code Generation

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1const { processOnce } = require('playwright/lib/server/browserType');2const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);3const { processOnce } = require('playwright/lib/server/browserType');4const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);5const { processOnce } = require('playwright/lib/server/browserType');6const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);7const { processOnce } = require('playwright/lib/server/browserType');8const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);9const { processOnce } = require('playwright/lib/server/browserType');10const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);11const { processOnce } = require('playwright/lib/server/browserType');12const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);13const { processOnce } = require('playwright/lib/server/browserType');14const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);15const { processOnce } = require('playwright/lib/server/browserType');16const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);17const { processOnce } = require('playwright/lib/server/browserType');18const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);19const { processOnce } = require('playwright/lib/server/browserType');20const browser = await processOnce('chromium', ['--no-sandbox', '--disable-setuid-sandbox']);

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Using AI Code Generation

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1const { processOnce } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.screenshot({ path: 'example.png' });8 await browser.close();9 processOnce();10})();11 at CDPSession.send (C:\Users\user\playwright\playwright\lib\server\cdp.js:93:19)12 at CDPSession.send (C:\Users\user\playwright\playwright\lib\server\cdp.js:37:31)13 at ExecutionContext.evaluateHandle (C:\Users\user\playwright\playwright\lib\server\dom.js:121:28)14 at ExecutionContext.evaluate (C:\Users\user\playwright\playwright\lib\server\dom.js:106:17)15 at Page.evaluate (C:\Users\user\playwright\playwright\lib\server\dom.js:1156:27)16 at Page.screenshot (C:\Users\user\playwright\playwright\lib\server\page.js:1290:31)17 at processTicksAndRejections (internal/process/task_queues.js:97:5)18 at async Object.<anonymous> (C:\Users\user\playwright\playwright\test.js:11:3)

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.click('button:has-text("Click for JS Confirm")');7 await page.waitForEvent('dialog');8 const dialog = await page.waitForEvent('dialog');9 await dialog.accept();10 await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14 const browser = await chromium.launch({ headless: false });15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.click('button:has-text("Click for JS Confirm")');18 await page.waitForSelector('text=I am a JS Confirm');19 const dialog = await page.waitForEvent('dialog');20 await dialog.accept();21 await browser.close();22})();23const { chromium } = require('playwright');24(async () => {25 const browser = await chromium.launch({ headless: false });26 const context = await browser.newContext();27 const page = await context.newPage();28 await page.click('button:has-text("Click for JS Confirm")');29 await page.waitForSelector('text=I am a JS Confirm');30 const dialog = await page.waitForEvent('dialog');31 await dialog.accept();32 await browser.close();33})();34const { chromium } = require('playwright');35(async () => {

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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.

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  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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