How to use compareDocumentations method in Puppeteer

Best JavaScript code snippet using puppeteer

index.js

Source:index.js

...51  const mdDocumentation = mdResult.documentation;52  const jsErrors = jsResult.errors;53  jsErrors.push(...checkDuplicates(jsDocumentation));54  const mdErrors = mdResult.errors;55  mdErrors.push(...compareDocumentations(mdDocumentation, jsDocumentation));56  mdErrors.push(...checkDuplicates(mdDocumentation));57  mdErrors.push(...checkSorting(mdDocumentation));58  // Push all errors with proper prefixes59  const errors = jsErrors.map(error => '[JavaScript] ' + error);60  errors.push(...mdErrors.map(error => '[MarkDown] ' + error));61  return errors.map(error => Message.error(error));62};63/**64 * @param {!Documentation} doc65 * @return {!Array<string>}66 */67function checkSorting(doc) {68  const errors = [];69  for (const cls of doc.classesArray) {70    const members = cls.membersArray;71    // Events should go first.72    let eventIndex = 0;73    for (; eventIndex < members.length && members[eventIndex].type === 'event'; ++eventIndex);74    for (; eventIndex < members.length && members[eventIndex].type !== 'event'; ++eventIndex);75    if (eventIndex < members.length)76      errors.push(`Events should go first. Event '${members[eventIndex].name}' in class ${cls.name} breaks order`);77    // Constructor should be right after events and before all other members.78    const constructorIndex = members.findIndex(member => member.type === 'method' && member.name === 'constructor');79    if (constructorIndex > 0 && members[constructorIndex - 1].type !== 'event')80      errors.push(`Constructor of ${cls.name} should go before other methods`);81    // Events should be sorted alphabetically.82    for (let i = 0; i < members.length - 1; ++i) {83      const member1 = cls.membersArray[i];84      const member2 = cls.membersArray[i + 1];85      if (member1.type !== 'event' || member2.type !== 'event')86        continue;87      if (member1.name > member2.name)88        errors.push(`Event '${member1.name}' in class ${cls.name} breaks alphabetic ordering of events`);89    }90    // All other members should be sorted alphabetically.91    for (let i = 0; i < members.length - 1; ++i) {92      const member1 = cls.membersArray[i];93      const member2 = cls.membersArray[i + 1];94      if (member1.type === 'event' || member2.type === 'event')95        continue;96      if (member1.type === 'method' && member1.name === 'constructor')97        continue;98      if (member1.name > member2.name) {99        let memberName1 = `${cls.name}.${member1.name}`;100        if (member1.type === 'method')101          memberName1 += '()';102        let memberName2 = `${cls.name}.${member2.name}`;103        if (member2.type === 'method')104          memberName2 += '()';105        errors.push(`Bad alphabetic ordering of ${cls.name} members: ${memberName1} should go after ${memberName2}`);106      }107    }108  }109  return errors;110}111/**112 * @param {!Documentation} jsDocumentation113 * @return {!Documentation}114 */115function filterJSDocumentation(jsDocumentation) {116  // Filter classes and methods.117  const classes = [];118  for (const cls of jsDocumentation.classesArray) {119    if (EXCLUDE_CLASSES.has(cls.name))120      continue;121    const members = cls.membersArray.filter(member => {122      if (member.name.startsWith('_'))123        return false;124      // Exclude all constructors by default.125      if (member.name === 'constructor' && member.type === 'method')126        return false;127      return !EXCLUDE_METHODS.has(`${cls.name}.${member.name}`);128    });129    classes.push(new Documentation.Class(cls.name, members));130  }131  return new Documentation(classes);132}133/**134 * @param {!Documentation} doc135 * @return {!Array<string>}136 */137function checkDuplicates(doc) {138  const errors = [];139  const classes = new Set();140  // Report duplicates.141  for (const cls of doc.classesArray) {142    if (classes.has(cls.name))143      errors.push(`Duplicate declaration of class ${cls.name}`);144    classes.add(cls.name);145    const members = new Set();146    for (const member of cls.membersArray) {147      if (members.has(member.type + ' ' + member.name))148        errors.push(`Duplicate declaration of ${member.type} ${cls.name}.${member.name}()`);149      members.add(member.type + ' ' + member.name);150      const args = new Set();151      for (const arg of member.argsArray) {152        if (args.has(arg.name))153          errors.push(`Duplicate declaration of argument ${cls.name}.${member.name} "${arg.name}"`);154        args.add(arg.name);155      }156    }157  }158  return errors;159}160/**161 * @param {!Documentation} actual162 * @param {!Documentation} expected163 * @return {!Array<string>}164 */165function compareDocumentations(actual, expected) {166  const errors = [];167  const actualClasses = Array.from(actual.classes.keys()).sort();168  const expectedClasses = Array.from(expected.classes.keys()).sort();169  const classesDiff = diff(actualClasses, expectedClasses);170  for (const className of classesDiff.extra)171    errors.push(`Non-existing class found: ${className}`);172  for (const className of classesDiff.missing)173    errors.push(`Class not found: ${className}`);174  for (const className of classesDiff.equal) {175    const actualClass = actual.classes.get(className);176    const expectedClass = expected.classes.get(className);177    const actualMethods = Array.from(actualClass.methods.keys()).sort();178    const expectedMethods = Array.from(expectedClass.methods.keys()).sort();179    const methodDiff = diff(actualMethods, expectedMethods);...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.screenshot({path: 'example.png'});6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.screenshot({path: 'example.png'});13  await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  await page.screenshot({path: 'example.png'});20  await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.screenshot({path: 'example.png'});27  await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  await page.screenshot({path: 'example.png'});34  await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.screenshot({path: 'example.png'});41  await browser.close();42})();43const puppeteer = require('puppeteer');44(async () => {45  const browser = await puppeteer.launch();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3(async () => {4  const browser = await puppeteer.launch();5  const page = await browser.newPage();6  const doc = await page.content();7  fs.writeFile('example.com.html', doc, (err) => {8    if (err) throw err;9    console.log('The file has been saved!');10  });11  await browser.close();12})();13The page.content() method r

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const currentHTML = await page.content();6  const previousHTML = await page.content();7  const result = await page.compareDocumentPosition(currentHTML, previousHTML);8  console.log(result);9  await browser.close();10})();

Using AI Code Generation

1(async () => {2  const browser = await puppeteer.launch({headless: false});3  const page = await browser.newPage();4  const documentation = await page.compareDocumentations();5  console.log(documentation);6  await browser.close();7})();8(async () => {9  const browser = await puppeteer.launch({headless: false});10  const page = await browser.newPage();11  console.log(documentation);12  await browser.close();13})();14(async () => {15  const browser = await puppeteer.launch({headless: false});16  const page = await browser.newPage();17  console.log(documentation);18  await browser.close();19})();20(async () => {21  const browser = await puppeteer.launch({headless: false});22  const page = await browser.newPage();23  console.log(documentation);24  await browser.close();25})();26(async () => {27  const browser = await puppeteer.launch({headless: false});28  const page = await browser.newPage();29  console.log(documentation);30  await browser.close();31})();32(async () => {33  const browser = await puppeteer.launch({headless: false});34  const page = await browser.newPage();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { promisify } = require('util');5const readFileAsync = promisify(fs.readFile);6const writeFileAsync = promisify(fs.writeFile);7const mkdirAsync = promisify(fs.mkdir);8const rimraf = promisify(require('rimraf'));9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  const doc1 = await page.content();13  const doc2 = await page.content();14  const outputDir = path.join(__dirname, 'output');15  await rimraf(outputDir);16  await mkdirAsync(outputDir);17  await writeFileAsync(path.join(outputDir, 'doc1.html'), doc1);18  await writeFileAsync(path.join(outputDir, 'doc2.html'), doc2);19  const data = await page.compareDocumentations({20    baseline: path.join(outputDir, 'doc1.html'),21    current: path.join(outputDir, 'doc2.html'),22  });23  await browser.close();24  console.log(data);25})();26const puppeteer = require('puppeteer');27const fs = require('fs');28const path = require('path');29const { promisify } = require('util');30const readFileAsync = promisify(fs.readFile);31const writeFileAsync = promisify(fs.writeFile);32const mkdirAsync = promisify(fs.mkdir);33const rimraf = promisify(require('rimraf'));34(async () => {35  const browser = await puppeteer.launch();36  const page = await browser.newPage();37  const doc1 = await page.content();

Using AI Code Generation

1(async () => {2  const browser = await puppeteer.launch();3  const page = await browser.newPage();4  const doc = await page.content();5  const doc2 = await page.content();6  const result = await page.compareDocumentations(doc, doc2);7  console.log(result);8  await browser.close();9})();10Recommended Posts: Puppeteer | waitForNavigation() method11Puppeteer | waitForXPath() method12Puppeteer | waitForRequest() method13Puppeteer | waitForResponse() method14Puppeteer | waitForFunction() method15Puppeteer | waitFor() method16Puppeteer | setViewport() method17Puppeteer | setJavaScriptEnabled() method18Puppeteer | setExtraHTTPHeaders() method19Puppeteer | setDefaultNavigationTimeout() method20Puppeteer | setDefaultTimeout() method21Puppeteer | setCacheEnabled() method22Puppeteer | setUserAgent() method23Puppeteer | setRequestInterception() method24Puppeteer | setOfflineMode() method25Puppeteer | setGeolocation() method26Puppeteer | setFileChooserIntercepted() method27Puppeteer | setExtraHTTPHeaders() method28Puppeteer | setBypassCSP() method29Puppeteer | setOfflineMode() method30Puppeteer | setJavaScriptEnabled() method31Puppeteer | setDefaultTimeout() method32Puppeteer | setDefaultNavigationTimeout() method33Puppeteer | setCacheEnabled() method

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { PNG } = require('pngjs');5const pixelmatch = require('pixelmatch');6const { parse } = require('url');7const compareDocumentations = async (url1, url2) => {8  const browser = await puppeteer.launch();9  const page = await browser.newPage();10  await page.goto(url1);11  await page.waitForSelector('.content');12  await page.waitForTimeout(1000);13  const screenshot1 = await page.screenshot();14  await page.goto(url2);15  await page.waitForSelector('.content');16  await page.waitForTimeout(1000);17  const screenshot2 = await page.screenshot();18  await browser.close();19  const img1 = PNG.sync.read(screenshot1);20  const img2 = PNG.sync.read(screenshot2);21  const { width, height } = img1;22  const diff = new PNG({ width, height });23  const numDiffPixels = pixelmatch(24    { threshold: 0.1 }25  );26  console.log({ numDiffPixels });27  if (numDiffPixels > 0) {28    const diffPath = path.join(__dirname, 'diff.png');29    fs.writeFileSync(diffPath, PNG.sync.write(diff));30  }31};32compareDocumentations(33);34{35  "scripts": {36  },37  "dependencies": {38  }39}40{ numDiffPixels: 0 }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.