KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use coverageFolderE2E method in storybook-test-runner

Best JavaScript code snippet using storybook-test-runner

test-storybook.js

Source:test-storybook.js

1#!/usr/bin/env node2//@ts-check3'use strict';4const { execSync } = require('child_process');5const fetch = require('node-fetch');6const canBindToHost = require('can-bind-to-host').default;7const fs = require('fs');8const dedent = require('ts-dedent').default;9const path = require('path');10const tempy = require('tempy');11const semver = require('semver');12const { getCliOptions, getStorybookMetadata } = require('../dist/cjs/util');13const { transformPlaywrightJson } = require('../dist/cjs/playwright/transformPlaywrightJson');14// Do this as the first thing so that any code reading it knows the right env.15process.env.BABEL_ENV = 'test';16process.env.NODE_ENV = 'test';17process.env.PUBLIC_URL = '';18// Makes the script crash on unhandled rejections instead of silently19// ignoring them. In the future, promise rejections that are not handled will20// terminate the Node.js process with a non-zero exit code.21process.on('unhandledRejection', (err) => {22  throw err;23});24const log = (message) => console.log(`[test-storybook] ${message}`);25const error = (message) => console.error(`[test-storybook] ${message}`);26// Clean up tmp files globally in case of control-c27let indexTmpDir;28const cleanup = () => {29  if (indexTmpDir) {30    log(`Cleaning up ${indexTmpDir}`);31    fs.rmSync(indexTmpDir, { recursive: true, force: true });32  }33};34let isWatchMode = false;35async function reportCoverage() {36  if (isWatchMode || process.env.STORYBOOK_COLLECT_COVERAGE !== 'true') {37    return;38  }39  const coverageFolderE2E = path.resolve(process.cwd(), '.nyc_output');40  const coverageFolder = path.resolve(process.cwd(), 'coverage/storybook');41  // in case something goes wrong and .nyc_output does not exist, bail42  if (!fs.existsSync(coverageFolderE2E)) {43    return;44  }45  // if there's no coverage folder, create one46  if (!fs.existsSync(coverageFolder)) {47    fs.mkdirSync(coverageFolder, { recursive: true });48  }49  // move the coverage files from .nyc_output folder (coming from jest-playwright) to coverage, then delete .nyc_output50  fs.renameSync(`${coverageFolderE2E}/coverage.json`, `${coverageFolder}/coverage-storybook.json`);51  fs.rmSync(coverageFolderE2E, { recursive: true });52  // --skip-full in case we only want to show not fully covered code53  // --check-coverage if we want to break if coverage reaches certain threshold54  // .nycrc will be respected for thresholds etc. https://www.npmjs.com/package/nyc#coverage-thresholds55  execSync(`npx nyc report --reporter=text -t ${coverageFolder} --report-dir ${coverageFolder}`, {56    stdio: 'inherit',57  });58}59const onProcessEnd = () => {60  cleanup();61  reportCoverage();62};63process.on('SIGINT', onProcessEnd);64process.on('exit', onProcessEnd);65function sanitizeURL(url) {66  let finalURL = url;67  // prepend URL protocol if not there68  if (finalURL.indexOf('http://') === -1 && finalURL.indexOf('https://') === -1) {69    finalURL = 'http://' + finalURL;70  }71  // remove iframe.html if present72  finalURL = finalURL.replace(/iframe.html\s*$/, '');73  // remove index.html if present74  finalURL = finalURL.replace(/index.html\s*$/, '');75  // add forward slash at the end if not there76  if (finalURL.slice(-1) !== '/') {77    finalURL = finalURL + '/';78  }79  return finalURL;80}81async function executeJestPlaywright(args) {82  // Always prefer jest installed via the test runner. If it's hoisted, it will get it from root node_modules83  const jestPath = path.dirname(84    require.resolve('jest', {85      paths: [path.join(__dirname, '../@storybook/test-runner/node_modules')],86    })87  );88  const jest = require(jestPath);89  let argv = args.slice(2);90  const jestConfigPath = fs.existsSync('test-runner-jest.config.js')91    ? 'test-runner-jest.config.js'92    : path.resolve(__dirname, '../playwright/test-runner-jest.config.js');93  argv.push('--config', jestConfigPath);94  await jest.run(argv);95}96async function checkStorybook(url) {97  try {98    const res = await fetch(url, { method: 'HEAD' });99    if (res.status !== 200) throw new Error(`Unxpected status: ${res.status}`);100  } catch (e) {101    console.error(102      dedent`[test-storybook] It seems that your Storybook instance is not running at: ${url}. Are you sure it's running?103      104      If you're not running Storybook on the default 6006 port or want to run the tests against any custom URL, you can pass the --url flag like so:105      106      yarn test-storybook --url http://localhost:9009107      108      More info at https://github.com/storybookjs/test-runner#getting-started`109    );110    process.exit(1);111  }112}113async function getIndexJson(url) {114  const indexJsonUrl = new URL('index.json', url).toString();115  const storiesJsonUrl = new URL('stories.json', url).toString();116  const [indexRes, storiesRes] = await Promise.all([fetch(indexJsonUrl), fetch(storiesJsonUrl)]);117  if (indexRes.ok) {118    try {119      const json = await indexRes.text();120      return JSON.parse(json);121    } catch (err) {}122  }123  if (storiesRes.ok) {124    try {125      const json = await storiesRes.text();126      return JSON.parse(json);127    } catch (err) {}128  }129  throw new Error(dedent`130    Failed to fetch index data from the project.131    Make sure that either of these URLs are available with valid data in your Storybook:132    ${133      // TODO: switch order once index.json becomes more common than stories.json134      storiesJsonUrl135    }136    ${indexJsonUrl}137    More info: https://github.com/storybookjs/test-runner/blob/main/README.md#indexjson-mode138  `);139}140async function getIndexTempDir(url) {141  let tmpDir;142  try {143    const indexJson = await getIndexJson(url);144    const titleIdToTest = transformPlaywrightJson(indexJson);145    tmpDir = tempy.directory();146    Object.entries(titleIdToTest).forEach(([titleId, test]) => {147      const tmpFile = path.join(tmpDir, `${titleId}.test.js`);148      fs.writeFileSync(tmpFile, test);149    });150  } catch (err) {151    error(err);152    process.exit(1);153  }154  return tmpDir;155}156function ejectConfiguration() {157  const origin = path.resolve(__dirname, '../playwright/test-runner-jest.config.js');158  const destination = path.resolve('test-runner-jest.config.js');159  const fileAlreadyExists = fs.existsSync(destination);160  if (fileAlreadyExists) {161    throw new Error(dedent`Found existing file at:162    163    ${destination}164    165    Please delete it and rerun this command.166    \n`);167  }168  fs.copyFileSync(origin, destination);169  log('Configuration file successfully copied as test-runner-jest.config.js');170}171const main = async () => {172  const { jestOptions, runnerOptions } = getCliOptions();173  if (runnerOptions.eject) {174    ejectConfiguration();175    process.exit(0);176  }177  // set this flag to skip reporting coverage in watch mode178  isWatchMode = jestOptions.watch || jestOptions.watchAll;179  const rawTargetURL = process.env.TARGET_URL || runnerOptions.url || 'http://localhost:6006';180  await checkStorybook(rawTargetURL);181  const targetURL = sanitizeURL(rawTargetURL);182  process.env.TARGET_URL = targetURL;183  if (runnerOptions.coverage) {184    process.env.STORYBOOK_COLLECT_COVERAGE = 'true';185  }186  if (runnerOptions.junit) {187    process.env.STORYBOOK_JUNIT = 'true';188  }189  if (process.env.REFERENCE_URL) {190    process.env.REFERENCE_URL = sanitizeURL(process.env.REFERENCE_URL);191  }192  // Use TEST_BROWSERS if set, otherwise get from --browser option193  if (!process.env.TEST_BROWSERS && runnerOptions.browsers) {194    process.env.TEST_BROWSERS = runnerOptions.browsers.join(',');195  }196  const { hostname } = new URL(targetURL);197  const isLocalStorybookIp = await canBindToHost(hostname);198  const shouldRunIndexJson = runnerOptions.indexJson !== false && !isLocalStorybookIp;199  if (shouldRunIndexJson) {200    log(201      'Detected a remote Storybook URL, running in index json mode. To disable this, run the command again with --no-index-json\n'202    );203  }204  if (runnerOptions.indexJson || shouldRunIndexJson) {205    indexTmpDir = await getIndexTempDir(targetURL);206    process.env.TEST_ROOT = indexTmpDir;207    process.env.TEST_MATCH = '**/*.test.js';208  }209  process.env.STORYBOOK_CONFIG_DIR = runnerOptions.configDir;210  const { storiesPaths, lazyCompilation } = getStorybookMetadata();211  process.env.STORYBOOK_STORIES_PATTERN = storiesPaths;212  if (lazyCompilation && isLocalStorybookIp) {213    log(214      `You're running Storybook with lazy compilation enabled, and will likely cause issues with the test runner locally. Consider disabling 'lazyCompilation' in ${runnerOptions.configDir}/main.js when running 'test-storybook' locally.`215    );216  }217  await executeJestPlaywright(jestOptions);218};...

Using AI Code Generation

1const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');2const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');3const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');4const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');5const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');6const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');7const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');8const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');9const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');10const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');11const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');12const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');13const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');14const { coverageFolderE2E } = require('@storybook/addon-storyshots-puppeteer');

Using AI Code Generation

1const { coverageFolderE2E } = require('storybook-test-runner');2const { coverageFolderE2E } = require('storybook-test-runner');3const { coverageFolderE2E } = require('storybook-test-runner');4const { coverageFolderE2E } = require('storybook-test-runner');5const { coverageFolderE2E } = require('storybook-test-runner');6const { coverageFolderE2E } = require('storybook-test-runner');7const { coverageFolderE2E } = require('storybook-test-runner');8const { coverageFolderE2E } = require('storybook-test-runner');9const { coverageFolderE2E } = require('storybook-test-runner');10const { coverageFolderE2E } = require('storybook-test-runner');11const { coverageFolderE2E } = require('storybook-test-runner');12const { coverageFolderE2E } = require('storybook-test-runner');13const { coverageFolderE2E } = require('storybook-test-runner');14const { coverageFolderE2E } = require('storybook-test-runner');

Using AI Code Generation

1const storybookTestRunner = require('storybook-test-runner');2storybookTestRunner.coverageFolderE2E('./.nyc_output');3const storybookTestRunner = require('storybook-test-runner');4storybookTestRunner.coverageFolderUnit('./.nyc_output');5const storybookTestRunner = require('storybook-test-runner');6storybookTestRunner.coverageThreshold(80);7const storybookTestRunner = require('storybook-test-runner');8storybookTestRunner.coverageThresholdError('Coverage threshold not met');9const storybookTestRunner = require('storybook-test-runner');10storybookTestRunner.coverageThresholdErrorType('error');

Using AI Code Generation

1const { coverageFolderE2E } = require('storybook-test-runner');2module.exports = async (config) => {3  config.set({4    coverageFolderE2E: coverageFolderE2E(__dirname),5  });6};7const { coverageFolderE2E } = require('storybook-test-runner');8module.exports = async (config) => {9  config.set({10    coverageFolderE2E: coverageFolderE2E(__dirname),11  });12};13const { coverageFolderE2E } = require('storybook-test-runner');14module.exports = async (config) => {15  config.set({16    coverageFolderE2E: coverageFolderE2E(__dirname),17  });18};19const { coverageFolderE2E } = require('storybook-test-runner');20module.exports = async (config) => {21  config.set({22    coverageFolderE2E: coverageFolderE2E(__dirname),23  });24};25const { coverageFolderE2E } = require('storybook-test-runner');26module.exports = async (config) => {27  config.set({28    coverageFolderE2E: coverageFolderE2E(__dirname),29  });30};31const { coverageFolderE2E } = require('storybook-test-runner');32module.exports = async (config) => {33  config.set({34    coverageFolderE2E: coverageFolderE2E(__dirname),35  });36};37const { coverageFolderE2E } = require('storybook-test-runner');38module.exports = async (config) => {39  config.set({40    coverageFolderE2E: coverageFolderE2E(__dirname),41  });42};

Using AI Code Generation

1const { coverageFolderE2E } = require('storybook-test-runner');2const { join } = require('path');3const storybookPath = join(__dirname, '..', 'storybook');4(async () => {5  const coverageFolder = await coverageFolderE2E(storybookPath);6  console.log(coverageFolder);7})();8"scripts": {9}10### `coverageFolderE2E(storybookPath, [options])`11Default: `{}`12Default: `{}`

Using AI Code Generation

1const { testRunner } = require('@storybook/csf-tools');2const { coverageFolderE2E } = testRunner;3coverageFolderE2E(4).then(() => {5  console.log('done testing');6});7const { testRunner } = require('@storybook/csf-tools');8const { coverageStoryE2E } = testRunner;9coverageStoryE2E(10).then(() => {11  console.log('done testing');12});13const { testRunner

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.