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How to use titleIdToTest 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};...

transformPlaywrightJson.ts

Source:transformPlaywrightJson.ts

1import * as t from '@babel/types';2import generate from '@babel/generator';3import { ComponentTitle, StoryId, StoryName, toId } from '@storybook/csf';4import { testPrefixer } from './transformPlaywright';5const makeTest = (entry: V4Entry): t.Statement => {6  const result: any = testPrefixer({7    name: t.stringLiteral(entry.name),8    title: t.stringLiteral(entry.title),9    id: t.stringLiteral(entry.id),10    // FIXME11    storyExport: t.identifier(entry.id),12  });13  const stmt = result[1] as t.ExpressionStatement;14  return t.expressionStatement(15    t.callExpression(t.identifier('it'), [t.stringLiteral('test'), stmt.expression])16  );17};18const makeDescribe = (title: string, stmts: t.Statement[]) => {19  return t.expressionStatement(20    t.callExpression(t.identifier('describe'), [21      t.stringLiteral(title),22      t.arrowFunctionExpression([], t.blockStatement(stmts)),23    ])24  );25};26type V4Entry = { type?: 'story' | 'docs'; id: StoryId; name: StoryName; title: ComponentTitle };27type V4Index = {28  v: 4;29  entries: Record<StoryId, V4Entry>;30};31type V3Story = Omit<V4Entry, 'type'> & { parameters?: Record<string, any> };32type V3StoriesIndex = {33  v: 3;34  stories: Record<StoryId, V3Story>;35};36const isV3DocsOnly = (stories: V3Story[]) => stories.length === 1 && stories[0].name === 'Page';37function v3TitleMapToV4TitleMap(titleIdToStories: Record<string, V3Story[]>) {38  return Object.fromEntries(39    Object.entries(titleIdToStories).map(([id, stories]) => [40      id,41      stories.map(42        ({ parameters, ...story }) =>43          ({44            type: isV3DocsOnly(stories) ? 'docs' : 'story',45            ...story,46          } as V4Entry)47      ),48    ])49  );50}51function groupByTitleId<T extends { title: ComponentTitle }>(entries: T[]) {52  return entries.reduce((acc, entry) => {53    const titleId = toId(entry.title);54    acc[titleId] = acc[titleId] || [];55    acc[titleId].push(entry);56    return acc;57  }, {} as { [key: string]: T[] });58}59/**60 * Generate one test file per component so that Jest can61 * run them in parallel.62 */63export const transformPlaywrightJson = (index: Record<string, any>) => {64  let titleIdToEntries: Record<string, V4Entry[]>;65  if (index.v === 3) {66    const titleIdToStories = groupByTitleId<V3Story>(67      Object.values((index as V3StoriesIndex).stories)68    );69    titleIdToEntries = v3TitleMapToV4TitleMap(titleIdToStories);70  } else if (index.v === 4) {71    titleIdToEntries = groupByTitleId<V4Entry>(Object.values((index as V4Index).entries));72  } else {73    throw new Error(`Unsupported version ${index.v}`);74  }75  const titleIdToTest = Object.entries(titleIdToEntries).reduce((acc, [titleId, entries]) => {76    const stories = entries.filter((s) => s.type !== 'docs');77    if (stories.length) {78      const storyTests = stories.map((story) => makeDescribe(story.name, [makeTest(story)]));79      const program = t.program([makeDescribe(stories[0].title, storyTests)]);80      const { code } = generate(program, {});81      acc[titleId] = code;82    }83    return acc;84  }, {} as { [key: string]: string });85  return titleIdToTest;...

Using AI Code Generation

1import { titleIdToTest } from 'storybook-test-runner';2describe('test', () => {3    it('test', () => {4        titleIdToTest('Button', 'Button');5    });6});7import React from 'react';8import { storiesOf } from '@storybook/react';9import Button from './Button';10storiesOf('Button', module).add('Button', () => <Button />);

Using AI Code Generation

1const { titleIdToTest } = require('storybook-test-runner');2const { storiesOf } = require('@storybook/react');3const myStory = storiesOf('MyStory', module);4myStory.add('Story 1', () => <div>Story 1</div>);5myStory.add('Story 2', () => <div>Story 2</div>);6const { storyIdToTest } = require('storybook-test-runner');7const { storiesOf } = require('@storybook/react');8const myStory = storiesOf('MyStory', module);9myStory.add('Story 1', () => <div>Story 1</div>);10myStory.add('Story 2', () => <div>Story 2</div>);11const { storyIdToTest } = require('storybook-test-runner');12const { storiesOf } = require('@storybook/react');13const myStory = storiesOf('MyStory', module);14myStory.add('Story 1', () => <div>Story 1</div>);15myStory.add('Story 2', () => <div>Story 2</div>);16const { getStorybook } = require('storybook-test-runner');17const { storiesOf } = require('@storybook/react');18const myStory = storiesOf('MyStory', module);19myStory.add('Story 1', () => <div>Story 1</div>);20myStory.add('Story 2', () => <div>Story 2</div>);21const { getStorybook } = require('storybook-test-runner');22const { storiesOf } = require('@storybook/react');23const myStory = storiesOf('MyStory', module);24myStory.add('Story

Using AI Code Generation

1const {titleIdToTest} = require('storybook-test-runner');2const title = titleIdToTest('Button');3const {titleIdToTest} = require('storybook-test-runner');4const title = titleIdToTest('Button');5const {titleIdToTest} = require('storybook-test-runner');6const title = titleIdToTest('Button');7const {titleIdToTest} = require('storybook-test-runner');8const title = titleIdToTest('Button');9const {titleIdToTest} = require('storybook-test-runner');10const title = titleIdToTest('Button');11const {titleIdToTest} = require('storybook-test-runner');12const title = titleIdToTest('Button');13const {titleIdToTest} = require('storybook-test-runner');14const title = titleIdToTest('Button');15const {titleIdToTest} = require('storybook-test-runner');16const title = titleIdToTest('Button');17const {titleIdToTest} = require('storybook-test-runner');18const title = titleIdToTest('Button');19const {titleIdToTest} = require('storybook-test-runner');20const title = titleIdToTest('Button');

Using AI Code Generation

1import { titleIdToTest } from 'storybook-test-runner';2import { storiesOf } from '@storybook/react';3storiesOf('Test', module).add('test story', () => {4  return <h1>Test</h1>;5});6titleIdToTest('Test', 'test story');7import { titleToTest } from 'storybook-test-runner';8import { storiesOf } from '@storybook/react';9storiesOf('Test', module).add('test story', () => {10  return <h1>Test</h1>;11});12titleToTest('Test');13import { storybookTestRunner } from 'storybook-test-runner';14import { storiesOf } from '@storybook/react';15storiesOf('Test', module).add('test story', () => {16  return <h1>Test</h1>;17});18storybookTestRunner();19import { storybookTestRunner } from 'storybook-test-runner';20import { storiesOf } from '@storybook/react';21storiesOf('Test', module).add('test story', () => {22  return <h1>Test</h1>;23});24storybookTestRunner({25  stories: {26    Test: {27      'test story': {28      }29    }30  }31});32import { storybookTestRunner } from 'storybook-test-runner';33import { storiesOf } from '@storybook/react';34storiesOf('Test', module).add('test story', () => {35  return <h1>Test</h1>;36});37storybookTestRunner({38  stories: {39    Test: {40      'test story': {41      }42    }43  },44});

Using AI Code Generation

1import { titleIdToTest } from 'storybook-test-runner';2import Title from './Title';3titleIdToTest(1, Title);4import { titleIdToTest } from 'storybook-test-runner';5titleIdToTest(1, Title);6import { titleIdToTest } from 'storybook-test-runner';7titleIdToTest(1, Title);8import { titleIdToTest } from 'storybook-test-runner';9titleIdToTest(1, Title);10import { titleIdToTest } from 'storybook-test-runner';11titleIdToTest(1, Title);12import { titleIdToTest } from 'storybook-test-runner';13titleIdToTest(1, Title);14import { titleIdToTest } from 'storybook-test-runner';15titleIdToTest(1, Title);16import { titleIdToTest } from 'storybook-test-runner';17titleIdToTest(1, Title);18import { titleIdToTest } from 'storybook-test-runner';19titleIdToTest(1, Title);20import { titleIdToTest } from 'storybook-test-runner';21titleIdToTest(1, Title);22import { titleIdToTest } from 'storybook-test-runner';

Using AI Code Generation

1import { titleIdToTest } from 'storybook-test-runner';2import { stories } from './stories';3titleIdToTest(stories, 'component', 'component-id');4titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'});5titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {customState: 'customValue'});6titleIdToTest(stories, 'component', 'component-id', {}, {customState: 'customValue'});7titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {customState: 'customValue'}, {customContext: 'customValue'});8titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {}, {customContext: 'customValue'});9titleIdToTest(stories, 'component', 'component-id', {}, {customState: 'customValue'}, {customContext: 'customValue'});10titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {customState: 'customValue'}, {customContext: 'customValue'}, {customContextTypes: 'customValue'});11titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {}, {customContext: 'customValue'}, {customContextTypes: 'customValue'});12titleIdToTest(stories, 'component', 'component-id', {}, {customState: 'customValue'}, {customContext: 'customValue'}, {customContextTypes: 'customValue'});13titleIdToTest(stories, 'component', 'component-id', {customProps: 'customValue'}, {customState

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