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How to use transformCsf method in storybook-test-runner

Best JavaScript code snippet using storybook-test-runner

transformCsf.ts

Source:transformCsf.ts

1/* eslint-disable no-underscore-dangle */2import { loadCsf } from '@storybook/csf-tools';3import * as t from '@babel/types';4import generate from '@babel/generator';5import { toId, storyNameFromExport } from '@storybook/csf';6import dedent from 'ts-dedent';7const logger = console;8export interface TestContext {9  storyExport?: t.Identifier;10  name: t.Literal;11  title: t.Literal;12  id: t.Literal;13}14type TemplateResult = t.Statement | t.Statement[];15type FilePrefixer = () => TemplateResult;16type TestPrefixer = (context: TestContext) => TemplateResult;17interface TransformOptions {18  clearBody?: boolean;19  filePrefixer?: FilePrefixer;20  beforeEachPrefixer?: FilePrefixer;21  testPrefixer?: TestPrefixer;22  insertTestIfEmpty?: boolean;23  makeTitle?: (userTitle: string) => string;24}25const prefixFunction = (26  key: string,27  title: string,28  input: t.Expression,29  testPrefixer?: TestPrefixer30) => {31  const name = storyNameFromExport(key);32  const context: TestContext = {33    storyExport: t.identifier(key),34    name: t.stringLiteral(name), // FIXME .name annotation35    title: t.stringLiteral(title),36    id: t.stringLiteral(toId(title, name)),37  };38  const result = makeArray(testPrefixer(context));39  const stmt = result[1] as t.ExpressionStatement;40  return stmt.expression;41};42const makePlayTest = (43  key: string,44  title: string,45  metaOrStoryPlay: t.Node,46  testPrefix?: TestPrefixer47): t.Statement[] => {48  return [49    t.expressionStatement(50      t.callExpression(t.identifier('it'), [51        t.stringLiteral(!!metaOrStoryPlay ? 'play-test' : 'smoke-test'),52        prefixFunction(key, title, metaOrStoryPlay as t.Expression, testPrefix),53      ])54    ),55  ];56};57const makeDescribe = (58  key: string,59  tests: t.Statement[],60  beforeEachBlock?: t.ExpressionStatement61): t.Statement | null => {62  const blockStatements = beforeEachBlock ? [beforeEachBlock, ...tests] : tests;63  return t.expressionStatement(64    t.callExpression(t.identifier('describe'), [65      t.stringLiteral(key),66      t.arrowFunctionExpression([], t.blockStatement(blockStatements)),67    ])68  );69};70const makeBeforeEach = (beforeEachPrefixer: FilePrefixer) => {71  const stmt = beforeEachPrefixer() as t.ExpressionStatement;72  return t.expressionStatement(t.callExpression(t.identifier('beforeEach'), [stmt.expression]));73};74const makeArray = (templateResult: TemplateResult) =>75  Array.isArray(templateResult) ? templateResult : [templateResult];76export const transformCsf = (77  code: string,78  {79    filePrefixer,80    clearBody = false,81    testPrefixer,82    beforeEachPrefixer,83    insertTestIfEmpty,84    makeTitle,85  }: TransformOptions = {}86) => {87  const csf = loadCsf(code, { makeTitle });88  csf.parse();89  const storyExports = Object.keys(csf._stories);90  const title = csf.meta.title;91  const storyPlays = storyExports.reduce((acc, key) => {92    const annotations = csf._storyAnnotations[key];93    if (annotations?.play) {94      acc[key] = annotations.play;95    }96    return acc;97  }, {} as Record<string, t.Node>);98  const playTests = storyExports99    .map((key: string) => {100      let tests: t.Statement[] = [];101      tests = [...tests, ...makePlayTest(key, title, storyPlays[key], testPrefixer)];102      if (tests.length) {103        return makeDescribe(key, tests);104      }105      return null;106    })107    .filter(Boolean);108  const allTests = playTests;109  let result = '';110  // FIXME: insert between imports111  if (filePrefixer) {112    const { code: prefixCode } = generate(t.program(makeArray(filePrefixer())), {});113    result = `${prefixCode}\n`;114  }115  if (!clearBody) result = `${result}${code}\n`;116  if (allTests.length) {117    const describe = makeDescribe(118      csf.meta.title,119      allTests,120      beforeEachPrefixer ? makeBeforeEach(beforeEachPrefixer) : undefined121    );122    const { code: describeCode } = generate(describe, {});123    result = dedent`124      ${result}125      if (!require.main) {126        ${describeCode}127      }128    `;129  } else if (insertTestIfEmpty) {130    result = `describe('${csf.meta.title}', () => { it('no-op', () => {}) });`;131  }132  return result;...

transformPlaywright.ts

Source:transformPlaywright.ts

...63  const filePath = './' + relative(workingDir, filename);64  return (userTitle: string) => userOrAutoTitle(filePath, normalizedStoriesEntries, userTitle);65};66export const transformPlaywright = (src: string, filename: string) => {67  const result = transformCsf(src, {68    filePrefixer,69    // @ts-ignore70    testPrefixer,71    insertTestIfEmpty: true,72    clearBody: true,73    makeTitle: makeTitleFactory(filename),74  });75  return result;...

Using AI Code Generation

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

Using AI Code Generation

1import { transformCsf } from 'storybook-test-runner';2import { storiesOf } from '@storybook/react';3import MyComponent from './MyComponent';4const stories = storiesOf('MyComponent', module);5stories.add('default', () => <MyComponent />);6const transformedStories = transformCsf(stories);7export default transformedStories;8import transformedStories from './test.js';9MIT © [davidnguyen179](

Using AI Code Generation

1import { transformCsf } from 'storybook-test-runner';2import { storiesOf } from '@storybook/react';3import Button from './Button';4const stories = storiesOf('Button', module);5stories.add('simple', () => <Button>Click me</Button>);6stories.add('with background', () => <Button background="red">Click me</Button>);7const transformed = transformCsf(storiesOf);8import { transformCsf } from 'storybook-test-runner';9import stories from './test';10describe('Button', () => {11  it('renders correctly', () => {12    const { simple } = stories;13    const { container } = render(simple());14    expect(container).toMatchSnapshot();15  });16});17import { transformCsf } from 'storybook-test-runner';18import stories from './test';19describe('Button', () => {20  it('renders correctly', () => {21    const { simple } = stories;22    const { container } = render(simple());23    expect(container).toMatchSnapshot();24  });25});26import { transformCsf } from 'storybook-test-runner';27import stories from './test';28describe('Button', () => {29  it('renders correctly', () => {30    const { simple } = stories;31    const { container } = render(simple());32    expect(container).toMatchSnapshot();33  });34});35import { transformCsf } from 'storybook-test-runner';36import stories from './test';37describe('Button', () => {38  it('renders correctly', () => {39    const { simple } = stories;40    const { container } = render(simple());41    expect(container).toMatchSnapshot();42  });43});44import { transformCsf } from 'storybook-test-runner';45import stories from './test';46describe('Button', () => {47  it('renders correctly', () => {

Using AI Code Generation

1import { transformCsf } from 'storybook-test-runner';2transformCsf({3});4import { transformCsf } from 'storybook-test-runner';5transformCsf({6});7import { transformCsf } from 'storybook-test-runner';8transformCsf({9});10import { transformCsf } from 'storybook-test-runner';11transformCsf({

Using AI Code Generation

1import { transformCsf } from 'storybook-test-runner';2import { storiesOf } from '@storybook/html';3export default {4};5export const Basic = () => {6  const div = document.createElement('div');7  div.innerHTML = 'Hello World';8  return div;9};10const Test = () => {11  const div = document.createElement('div');12  div.innerHTML = 'Hello World';13  return div;14};15storiesOf('Test', module).add('Basic', Test);16import { transformCsf } from 'storybook-test-runner';17import { storiesOf } from '@storybook/html';18describe('test', () => {19  it('should work', () => {20    const stories = transformCsf(require('./test.js'));21    expect(stories).toEqual([22      {23        storyFn: expect.any(Function),24        parameters: { fileName: './test.js' },25      },26    ]);27  });28});29import { transformCsfToJest } from 'storybook-test-runner';30import { storiesOf } from '@storybook/html';31export default {32};33export const Basic = () => {34  const div = document.createElement('div');35  div.innerHTML = 'Hello World';36  return div;37};38const Test = () => {39  const div = document.createElement('div');40  div.innerHTML = 'Hello World';41  return div;42};43storiesOf('Test', module).add('Basic', Test);44import { transformCsfToJest } from 'storybook-test-runner';45import { storiesOf } from '@storybook/html';46describe('test', () => {47  it('should work', () => {48    const stories = transformCsfToJest(require('./test.js'));49    expect(stories).toEqual(50      `import { transformCsf } from 'storybook-test-runner';51import { storiesOf } from '@storybook/html';52describe('test', () => {53  it('should work

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