Best JavaScript code snippet using playwright-internal
base.js
Source:base.js  
...150function formatFailure(config, test, index, stdio) {151  const tokens = [];152  tokens.push(formatTestHeader(config, test, '  ', index));153  for (const result of test.results) {154    const resultTokens = formatResultFailure(test, result, '    ');155    if (!resultTokens.length) continue;156    const statusSuffix = result.status === 'passed' && test.expectedStatus === 'failed' ? ' -- passed unexpectedly' : '';157    if (result.retry) {158      tokens.push('');159      tokens.push(_safe.default.gray(pad(`    Retry #${result.retry}${statusSuffix}`, '-')));160    }161    tokens.push(...resultTokens);162    const output = result[kOutputSymbol] || [];163    if (stdio && output.length) {164      const outputText = output.map(({165        chunk,166        type167      }) => {168        const text = chunk.toString('utf8');169        if (type === 'stderr') return _safe.default.red(stripAnsiEscapes(text));170        return text;171      }).join('');172      tokens.push('');173      tokens.push(_safe.default.gray(pad('--- Test output', '-')) + '\n\n' + outputText + '\n' + pad('', '-'));174    }175  }176  tokens.push('');177  return tokens.join('\n');178}179function formatResultFailure(test, result, initialIndent) {180  const resultTokens = [];181  if (result.status === 'timedOut') {182    resultTokens.push('');183    resultTokens.push(indent(_safe.default.red(`Timeout of ${test.timeout}ms exceeded.`), initialIndent));184  }185  if (result.error !== undefined) resultTokens.push(indent(formatError(result.error, test.location.file), initialIndent));186  return resultTokens;187}188function relativeTestPath(config, test) {189  return _path.default.relative(config.rootDir, test.location.file) || _path.default.basename(test.location.file);190}191function stepSuffix(step) {192  const stepTitles = step ? step.titlePath() : [];193  return stepTitles.map(t => ' ⺠' + t).join('');...playwright-formatters.js
Source:playwright-formatters.js  
...109}110function relativeTestPath(config, test) {111    return relative(config.rootDir, test.location.file) || _path.default.basename(test.location.file);112}113function formatResultFailure(test, result, initialIndent, highlightCode) {114    var _error;115    const resultTokens = [];116    if (result.status === "timedOut") {117        resultTokens.push("");118        resultTokens.push(indent(red(`Timeout of ${test.timeout}ms exceeded.`), initialIndent));119    }120    if (result.status === "passed" && test.expectedStatus === "failed") {121        resultTokens.push("");122        resultTokens.push(indent(red(`Expected to fail, but passed.`), initialIndent));123    }124    let error = undefined;125    if (result.error !== undefined) {126        error = formatError(result.error, highlightCode, test.location.file);127        resultTokens.push(indent(error.message, initialIndent));128    }129    return {130        tokens: resultTokens,131        position: (_error = error) === null || _error === void 0 ? void 0 : _error.position,132    };133}134function formatTestTitle(config, test, step) {135    // root, project, file, ...describes, test136    const [, projectName, , ...titles] = test.titlePath();137    const location = `${relativeTestPath(config, test)}:${test.location.line}:${test.location.column}`;138    const projectTitle = projectName ? `[${projectName}] ⺠` : "";139    return `${projectTitle}${location} ⺠${titles.join(" ⺠")}${stepSuffix(step)}`;140}141function formatFailure(config, test, options = {}) {142    const { index, includeStdio, includeAttachments = true, filePath } = options;143    const lines = [];144    const title = formatTestTitle(config, test);145    const annotations = [];146    const header = formatTestHeader(config, test, "  ", index);147    lines.push(red(header));148    for (const result of test.results) {149        const resultLines = [];150        const { tokens: resultTokens, position } = formatResultFailure(test, result, "    ", enabled);151        if (!resultTokens.length) continue;152        if (result.retry) {153            resultLines.push("");154            resultLines.push(gray(pad(`    Retry #${result.retry}`, "-")));155        }156        resultLines.push(...resultTokens);157        if (includeAttachments) {158            for (let i = 0; i < result.attachments.length; ++i) {159                const attachment = result.attachments[i];160                resultLines.push("");161                resultLines.push(cyan(pad(`    attachment #${i + 1}: ${attachment.name} (${attachment.contentType})`, "-")));162                if (attachment.path) {163                    const relativePath = relative(process.cwd(), attachment.path);164                    resultLines.push(cyan(`    ${relativePath}`)); // Make this extensible...html.js
Source:html.js  
1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.default = void 0;6var _fs = _interopRequireDefault(require("fs"));7var _path = _interopRequireDefault(require("path"));8var _utils = require("../../utils/utils");9var _base = require("./base");10var _json = require("./json");11function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }12/**13 * Copyright (c) Microsoft Corporation.14 *15 * Licensed under the Apache License, Version 2.0 (the "License");16 * you may not use this file except in compliance with the License.17 * You may obtain a copy of the License at18 *19 * http://www.apache.org/licenses/LICENSE-2.020 *21 * Unless required by applicable law or agreed to in writing, software22 * distributed under the License is distributed on an "AS IS" BASIS,23 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.24 * See the License for the specific language governing permissions and25 * limitations under the License.26 */27class HtmlReporter {28  constructor() {29    this._reportFolder = void 0;30    this._resourcesFolder = void 0;31    this.config = void 0;32    this.suite = void 0;33    this._reportFolder = _path.default.resolve(process.cwd(), process.env[`PLAYWRIGHT_HTML_REPORT`] || 'playwright-report');34    this._resourcesFolder = _path.default.join(this._reportFolder, 'resources');35    _fs.default.mkdirSync(this._resourcesFolder, {36      recursive: true37    });38    const appFolder = _path.default.join(__dirname, '..', '..', 'web', 'htmlReport');39    for (const file of _fs.default.readdirSync(appFolder)) _fs.default.copyFileSync(_path.default.join(appFolder, file), _path.default.join(this._reportFolder, file));40  }41  onBegin(config, suite) {42    this.config = config;43    this.suite = suite;44  }45  async onEnd() {46    const stats = {47      expected: 0,48      unexpected: 0,49      skipped: 0,50      flaky: 051    };52    this.suite.allTests().forEach(t => {53      ++stats[t.outcome()];54    });55    const output = {56      config: { ...this.config,57        rootDir: (0, _json.toPosixPath)(this.config.rootDir),58        projects: this.config.projects.map(project => {59          return {60            outputDir: (0, _json.toPosixPath)(project.outputDir),61            repeatEach: project.repeatEach,62            retries: project.retries,63            metadata: project.metadata,64            name: project.name,65            testDir: (0, _json.toPosixPath)(project.testDir),66            testIgnore: (0, _json.serializePatterns)(project.testIgnore),67            testMatch: (0, _json.serializePatterns)(project.testMatch),68            timeout: project.timeout69          };70        })71      },72      stats,73      suites: await Promise.all(this.suite.suites.map(s => this._serializeSuite(s)))74    };75    _fs.default.writeFileSync(_path.default.join(this._reportFolder, 'report.json'), JSON.stringify(output));76  }77  _relativeLocation(location) {78    if (!location) return {79      file: '',80      line: 0,81      column: 082    };83    return {84      file: (0, _json.toPosixPath)(_path.default.relative(this.config.rootDir, location.file)),85      line: location.line,86      column: location.column87    };88  }89  async _serializeSuite(suite) {90    return {91      title: suite.title,92      location: this._relativeLocation(suite.location),93      suites: await Promise.all(suite.suites.map(s => this._serializeSuite(s))),94      tests: await Promise.all(suite.tests.map(t => this._serializeTest(t)))95    };96  }97  async _serializeTest(test) {98    const testId = (0, _utils.calculateSha1)(test.titlePath().join('|'));99    return {100      testId,101      title: test.title,102      location: this._relativeLocation(test.location),103      expectedStatus: test.expectedStatus,104      timeout: test.timeout,105      annotations: test.annotations,106      retries: test.retries,107      ok: test.ok(),108      outcome: test.outcome(),109      results: await Promise.all(test.results.map(r => this._serializeResult(testId, test, r)))110    };111  }112  async _serializeResult(testId, test, result) {113    return {114      retry: result.retry,115      workerIndex: result.workerIndex,116      startTime: result.startTime.toISOString(),117      duration: result.duration,118      status: result.status,119      error: result.error,120      failureSnippet: (0, _base.formatResultFailure)(test, result, '').join('') || undefined,121      attachments: await this._createAttachments(testId, result),122      stdout: result.stdout,123      stderr: result.stderr,124      steps: serializeSteps(result.steps)125    };126  }127  async _createAttachments(testId, result) {128    const attachments = [];129    for (const attachment of result.attachments) {130      if (attachment.path) {131        const sha1 = (0, _utils.calculateSha1)(attachment.path) + _path.default.extname(attachment.path);132        _fs.default.copyFileSync(attachment.path, _path.default.join(this._resourcesFolder, sha1));133        attachments.push({ ...attachment,134          body: undefined,135          sha1136        });137      } else if (attachment.body && isTextAttachment(attachment.contentType)) {138        attachments.push({ ...attachment,139          body: attachment.body.toString()140        });141      } else {142        const sha1 = (0, _utils.calculateSha1)(attachment.body) + '.dat';143        _fs.default.writeFileSync(_path.default.join(this._resourcesFolder, sha1), attachment.body);144        attachments.push({ ...attachment,145          body: undefined,146          sha1147        });148      }149    }150    if (result.stdout.length) attachments.push(this._stdioAttachment(testId, result, 'stdout'));151    if (result.stderr.length) attachments.push(this._stdioAttachment(testId, result, 'stderr'));152    return attachments;153  }154  _stdioAttachment(testId, result, type) {155    const sha1 = `${testId}.${result.retry}.${type}`;156    const fileName = _path.default.join(this._resourcesFolder, sha1);157    for (const chunk of type === 'stdout' ? result.stdout : result.stderr) {158      if (typeof chunk === 'string') _fs.default.appendFileSync(fileName, chunk + '\n');else _fs.default.appendFileSync(fileName, chunk);159    }160    return {161      name: type,162      contentType: 'application/octet-stream',163      sha1164    };165  }166}167function serializeSteps(steps) {168  return steps.map(step => {169    return {170      title: step.title,171      category: step.category,172      startTime: step.startTime.toISOString(),173      duration: step.duration,174      error: step.error,175      steps: serializeSteps(step.steps)176    };177  });178}179function isTextAttachment(contentType) {180  if (contentType.startsWith('text/')) return true;181  if (contentType.includes('json')) return true;182  return false;183}184var _default = HtmlReporter;...Using AI Code Generation
1const { formatResultFailure } = require('playwright/lib/utils/stackTrace');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const element = await page.$('foobar');5  await element.click();6});7[Apache 2.0](LICENSE)Using AI Code Generation
1const { formatResultFailure } = require('playwright/lib/test/workerRunner');2const { test } = require('@playwright/test');3test('failing test', async ({ page }) => {4  const title = await page.title();5  expect(title).toBe('Playwright');6});7const { formatResultFailure } = require('playwright/lib/test/workerRunner');8const { test } = require('@playwright/test');9test('failing test', async ({ page }) => {10  const title = await page.title();11  expect(title).toBe('Playwright');12});Using AI Code Generation
1const { formatResultFailure } = require('@playwright/test/lib/reporters/base');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const title = await page.innerText('.navbar__inner .navbar__title');5  expect(title).toBe('Playwright');6});7test('test2', async ({ page }) => {8  const title = await page.innerText('.navbar__inner .navbar__title');9  expect(title).toBe('Playwright');10});11test('test3', async ({ page }) => {12  const title = await page.innerText('.navbar__inner .navbar__title');13  expect(title).toBe('Playwright');14});15test('test4', async ({ page }) => {16  const title = await page.innerText('.navbar__inner .navbar__title');17  expect(title).toBe('Playwright');18});19test('test5', async ({ page }) => {20  const title = await page.innerText('.navbar__inner .navbar__title');21  expect(title).toBe('Playwright');22});23test('test6', async ({ page }) => {24  const title = await page.innerText('.navbar__inner .navbar__title');25  expect(title).toBe('Playwright');26});27test('test7', async ({ page }) => {28  const title = await page.innerText('.navbar__inner .navbar__title');29  expect(title).toBe('Playwright');30});31test('test8', async ({ page }) => {32  const title = await page.innerText('.navbar__inner .navbar__title');33  expect(title).toBe('Playwright');34});35test('test9', async ({ page }) => {36  const title = await page.innerText('.navbar__inner .navbar__title');37  expect(title).toBe('Playwright');38});39test('test10', async ({ page }) => {40  const title = await page.innerText('.navbar__inner .navbar__title');Using AI Code Generation
1const { formatResultFailure } = require('@playwright/test/lib/reporters/utils');2const { test } = require('@playwright/test');3test('should fail', async ({ page }) => {4});5test('should pass', async ({ page }) => {6});7      4 | test('should fail', async ({ page }) => {8      6 | });9      8 | test('should pass', async ({ page }) => {10      at Object.toBe (__tests__/test.js:5:57)11      4 | test('should fail', async ({ page }) => {12      6 | });13      8 | test('should pass', async ({ page }) => {14      at Object.toBe (__tests__/test.js:5:57)Using AI Code Generation
1const { formatResultFailure } = require('@playwright/test/lib/test/reporter');2const { test } = require('@playwright/test');3test('formatResultFailure', async ({ page }) => {4  const result = await page.evaluate(() => {5    const error = new Error('error message');6    error.stack = 'error stack';7    return formatResultFailure(error);8  });9  console.log(result);10});11    at ExecutionContext._evaluateInternal (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/ExecutionContext.js:217:19)12    at processTicksAndRejections (internal/process/task_queues.js:93:5)13    at async Page._onBindingCalled (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/Page.js:140:24)14    at async Promise.all (index 0)15    at async FrameManager._onBindingCalled (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/FrameManager.js:320:20)16    at async Promise.all (index 0)17    at async CDPSession.Page._onBindingCalled (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/Page.js:133:57)18    at async CDPSession.emit (events.js:315:20)19    at async CDPSession._onMessage (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/Connection.js:200:12)20    at async Connection._onMessage (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/Connection.js:112:17)21    at async WebSocketTransport._ws.addEventListener.event (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/WebSocketTransport.js:64:24)22    at async WebSocketTransport._dispatchMessage (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/WebSocketTransport.js:86:9)23    at async WebSocketTransport._ws.addEventListener.event (/Users/kirti/Documents/playwright-test/node_modules/playwright-core/lib/cjs/puppeteer/common/WebSocketTransport.js:Using AI Code Generation
1const { formatResultFailure } = require('playwright/lib/test/runner');2const { test } = require('@playwright/test');3test('example', async ({ page }) => {4  try {5  } catch (e) {6    console.log(formatResultFailure(e, page));7  }8});Using AI Code Generation
1const { formatResultFailure } = require('@playwright/test');2const test = test.extend({3  foo: async ({}, use) => {4    await use('bar');5  },6});7test('should work', async ({ foo }) => {8  expect(foo).toBe('bar');9});10const { test, expect } = require('@playwright/test');11test('should work', async ({ page }) => {12  const title = page.locator('.navbar__title');13  await expect(title).toHaveText('Playwright');14});15const { test } = require('@playwright/test');16test.use({17  foo: async ({}, use) => {18    await use('bar');19  },20});21test('should work', async ({ foo }) => {22  expect(foo).toBe('bar');23});Using AI Code Generation
1const { formatResultFailure } = require('playwright/lib/server/frames');2const error = new Error();3error.stack = 'Error: Failed to find element matching selector "text=Test" at frame "mainFrame"';4error.message = 'Failed to find element matching selector "text=Test" at frame "mainFrame"';5const result = formatResultFailure(error);6console.log(result);7{8  error: {9  },10  value: {11  }12}131. [Playwright](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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