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How to use JestMock method in storybook-root

Best JavaScript code snippet using storybook-root

server-emitter.spec.ts

Source:server-emitter.spec.ts

1import { TEndMessage, TErrorMessage, TFirstMessage, TMessage, TNextMessage } from '@node-socket/interfaces';2import * as jestMock from 'jest-mock';3import { BehaviorSubject, catchError, finalize, map, of, Subject, take, tap } from 'rxjs';4import { Socket } from 'socket.io';5import { ConnectorsRegistryService, IConnector } from './connectors-registry';6import { ServerService } from './server';78describe('Server as emitter', () => {9    let server: ServerService;10    let mockConnectorsRegistryService: ConnectorsRegistryService;11    let echoService: IConnector<any>;12    let getConnectorSpy: jest.SpyInstance<IConnector<any>, [type: string]>;13    beforeEach(() => {14        echoService = {15            onMessage: jest.fn().mockReturnValue(new Subject()),16        };17        mockConnectorsRegistryService = createMockInstance(ConnectorsRegistryService);18        getConnectorSpy = jest.spyOn(mockConnectorsRegistryService, 'getConnector').mockReturnValue(echoService);19        server = new ServerService({}, mockConnectorsRegistryService);20    });21    afterEach(() => {22        jest.clearAllMocks();23    });24    it('Server can send message to connected clients', () => {25        expect.assertions(39);26        const clients = [27            createFakeSocketClient('A'),28            createFakeSocketClient('B'),29            createFakeSocketClient('C'),30        ];31        const firstMessage: TFirstMessage = {32            id: '1',33            content: {34                type: 'first-message',35                subject: 'echo',36                body: 'echo',37            },38        };39        clients.forEach((client) => {40            server.handleFirstMessage(firstMessage, client);41        });42        const subjectSender = new Subject<string>();43        server.sendMessage('echo', subjectSender).pipe(4445        ).subscribe({46            next: (e) => {4748            },49            error: (e) => {5051            },52            complete: () => {5354            },55        });56        subjectSender.next('toto');57        subjectSender.next('titi');58        subjectSender.complete();596061        clients.forEach((client) => { // 13 expects62            expect(client.emit).toBeCalledTimes(3);63            expect((client.emit as jestMock.Mock<any, any>).mock.calls[0][0]).toBe('first-message');64            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).id).toBe('server_0');65            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.type).toBe('first-message');66            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.subject).toBe('echo');67            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.body).toBe('toto');6869            expect((client.emit as jestMock.Mock<any, any>).mock.calls[1][0]).toBe('next-message');70            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).id).toBe('server_0');71            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.type).toBe('next-message');72            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.body).toBe('titi');7374            expect((client.emit as jestMock.Mock<any, any>).mock.calls[2][0]).toBe('end-message');75            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).id).toBe('server_0');76            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).content.type).toBe('end-message');77        });78    });79    it('Server can send message to specified clients', () => {80        expect.assertions(27);81        const clients = [82            createFakeSocketClient('A'),83            createFakeSocketClient('B'),84            createFakeSocketClient('C'),85        ];86        const firstMessage: TFirstMessage = {87            id: '1',88            content: {89                type: 'first-message',90                subject: 'echo',91                body: 'echo',92            },93        };94        clients.forEach((client) => {95            server.handleFirstMessage(firstMessage, client);96        });97        const subjectSender = new Subject<string>();98        server.sendMessage('echo', subjectSender, of([clients[0].id, clients[2].id])).pipe(99100        ).subscribe({101            next: (e) => {102103            },104            error: (e) => {105106            },107            complete: () => {108109            },110        });111        subjectSender.next('toto');112        subjectSender.next('titi');113        subjectSender.complete();114115116        [clients[0], clients[2]].forEach((client) => { // 13 expects117            expect(client.emit).toBeCalledTimes(3);118            expect((client.emit as jestMock.Mock<any, any>).mock.calls[0][0]).toBe('first-message');119            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).id).toBe('server_0');120            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.type).toBe('first-message');121            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.subject).toBe('echo');122            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.body).toBe('toto');123124            expect((client.emit as jestMock.Mock<any, any>).mock.calls[1][0]).toBe('next-message');125            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).id).toBe('server_0');126            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.type).toBe('next-message');127            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.body).toBe('titi');128129            expect((client.emit as jestMock.Mock<any, any>).mock.calls[2][0]).toBe('end-message');130            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).id).toBe('server_0');131            expect(((client.emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).content.type).toBe('end-message');132        });133        [clients[1]].forEach((client) => { // 1 expects134            expect(client.emit).toBeCalledTimes(0);135        });136    });137    it('Server can send message to specified clients and modify them', () => {138        expect.assertions(27);139        const clients = [140            createFakeSocketClient('A'),141            createFakeSocketClient('B'),142            createFakeSocketClient('C'),143        ];144        const firstMessage: TFirstMessage = {145            id: '1',146            content: {147                type: 'first-message',148                subject: 'echo',149                body: 'echo',150            },151        };152        clients.forEach((client) => {153            server.handleFirstMessage(firstMessage, client);154        });155        const subjectSender = new Subject<string>();156        const subjectClients = new BehaviorSubject<string[]>(['A']);157        server.sendMessage('echo', subjectSender, subjectClients).pipe(158159        ).subscribe({160            next: (e) => {161162            },163            error: (e) => {164165            },166            complete: () => {167168            },169        });170        subjectSender.next('toto');171        subjectClients.next(['A', 'B'])172        subjectSender.next('titi');173        subjectClients.next(['B'])174        subjectSender.next('tata');175        subjectSender.complete();176177        // First client178        {179            expect(clients[0].emit).toBeCalledTimes(3);180            expect((clients[0].emit as jestMock.Mock<any, any>).mock.calls[0][0]).toBe('first-message');181            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).id).toBe('server_0');182            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.type).toBe('first-message');183            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.subject).toBe('echo');184            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.body).toBe('toto');185186            expect((clients[0].emit as jestMock.Mock<any, any>).mock.calls[1][0]).toBe('next-message');187            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).id).toBe('server_0');188            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.type).toBe('next-message');189            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.body).toBe('titi');190191            expect((clients[0].emit as jestMock.Mock<any, any>).mock.calls[2][0]).toBe('end-message');192            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).id).toBe('server_0');193            expect(((clients[0].emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).content.type).toBe('end-message');194        }195196        // Second client197        {198            expect(clients[1].emit).toBeCalledTimes(3);199            expect((clients[1].emit as jestMock.Mock<any, any>).mock.calls[0][0]).toBe('first-message');200            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).id).toBe('server_0');201            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.type).toBe('first-message');202            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.subject).toBe('echo');203            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[0][1] as TFirstMessage).content.body).toBe('titi');204205            expect((clients[1].emit as jestMock.Mock<any, any>).mock.calls[1][0]).toBe('next-message');206            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).id).toBe('server_0');207            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.type).toBe('next-message');208            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[1][1] as TNextMessage).content.body).toBe('tata');209210            expect((clients[1].emit as jestMock.Mock<any, any>).mock.calls[2][0]).toBe('end-message');211            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).id).toBe('server_0');212            expect(((clients[1].emit as jestMock.Mock<any, any>).mock.calls[2][1] as TEndMessage).content.type).toBe('end-message');213        }214215        // Third client216        {217            expect(clients[2].emit).toBeCalledTimes(0);218        }219    });220});221function createMockInstance<T>(cl: { new(...args: any[]): T }): T {222    const mocker = new jestMock.ModuleMocker(global);223    const Mock = mocker.generateFromMetadata(mocker.getMetadata(cl));224    return new Mock() as any as T;225}226function createFakeSocketClient(id: string): Socket {227    return {228        id,229        emit: jest.fn(),230    } as any;
...

browserMocks.js

Source:browserMocks.js

1// Mock Browser API's which are not supported by JSDOM, e.g. ServiceWorker, LocalStorage2const jestMock = require('jest-mock');3/**4 * An example how to mock localStorage is given below ð5 */6/*7// Mocks localStorage8const localStorageMock = (function() {9	let store = {};10	return {11		getItem: (key) => store[key] || null,12		setItem: (key, value) => store[key] = value.toString(),13		clear: () => store = {}14	};15})();16Object.defineProperty(window, 'localStorage', {17	value: localStorageMock18}); */19Object.defineProperty(global, 'matchMedia', {20  writable: true,21  value: jestMock.fn().mockImplementation((query) => ({22    matches: false,23    media: query,24    onchange: null,25    addListener: jestMock.fn(), // deprecated26    removeListener: jestMock.fn(), // deprecated27    addEventListener: jestMock.fn(),28    removeEventListener: jestMock.fn(),29    dispatchEvent: jestMock.fn(),30  })),...

mocker.js

Source:mocker.js

1const jestMock = require("jest-mock")2function mockRequest() {3    const req = {};4    req.body = jestMock.fn().mockReturnValue(req);5    req.params = jestMock.fn().mockReturnValue(req);6    return req;7}8function mockResponse() {9    const res = {};10    res.send = jestMock.fn().mockReturnValue(res);11    res.status = jestMock.fn().mockReturnValue(res);12    res.json = jestMock.fn().mockReturnValue(res);13    return res;14}15mockRequest();...

Using AI Code Generation

1import { withTests } from 'storybook-addon-jest';2import results from '../.jest-test-results.json';3addDecorator(4  withTests({5  })6);7import { configure } from '@storybook/react';8import { setOptions } from '@storybook/addon-options';9import { setConsoleOptions } from '@storybook/addon-console';10setOptions({

Using AI Code Generation

1import {jestMock} from 'storybook-root';2jestMock();3import {jestMock} from 'storybook-root';4jestMock();5import {jestMock} from 'storybook-root';6jestMock();7import {jestMock} from 'storybook-root';8jestMock();9import {jestMock} from 'storybook-root';10jestMock();11import {jestMock} from 'storybook-root';12jestMock();13import {jestMock} from 'storybook-root';14jestMock();15import {jestMock} from 'storybook-root';16jestMock();17import {jestMock} from 'storybook-root';18jestMock();19import {jestMock} from 'storybook-root';20jestMock();21import {jestMock} from 'storybook-root';22jestMock();23import {jestMock} from 'storybook-root';24jestMock();25import {jestMock} from 'storybook-root';26jestMock();27import {jestMock} from 'storybook-root';28jestMock();29import {jestMock} from 'storybook-root';30jestMock();31import {jestMock} from 'storybook-root';32jestMock();33import {jestMock} from 'storybook-root';34jestMock();35import {jestMock} from 'storybook-root';36jestMock();

Using AI Code Generation

1import { storybookRoot } from 'jest-mock-storybook';2import { addDecorator } from '@storybook/react';3import { withKnobs } from '@storybook/addon-knobs';4import { withA11y } from '@storybook/addon-a11y';5addDecorator(withA11y);6addDecorator(withKnobs);7storybookRoot(require.context('../src', true, /\.stories\.js$/));8import { configure } from '@storybook/react';9import { withA11y } from '@storybook/addon-a11y';10import { withKnobs } from '@storybook/addon-knobs';11addDecorator(withA11y);12addDecorator(withKnobs);13configure(require.context('../src', true, /\.stories\.js$/), module);14import React from 'react';15import { addDecorator } from '@storybook/react';16import { withA11y } from '@storybook/addon-a11y';17import { withKnobs } from '@storybook/addon-knobs';18import { ThemeProvider } from 'styled-components';19import theme from '../src/theme';20addDecorator(withA11y);21addDecorator(withKnobs);22addDecorator((story) => (23  <ThemeProvider theme={theme}>{story()}</ThemeProvider>24));25const path = require('path');26module.exports = ({ config }) => {27  config.module.rules.push({28    include: path.resolve(__dirname, '../'),29  });30  return config;31};32module.exports = {33  stories: ['../src/**/*.stories.(js|mdx)'],34  webpackFinal: async (config) => {35    config.module.rules.push({

Using AI Code Generation

1import { jestMock } from 'storybook-rootpath';2const mockRequire = require('storybook-rootpath').mockRequire;3const mockImport = require('storybook-rootpath').mockImport;4const mockResolve = require('storybook-rootpath').mockResolve;5const mockResolveSync = require('storybook-rootpath').mockResolveSync;6const mockResolveDir = require('storybook-rootpath').mockResolveDir;7const mockResolveDirSync = require('storybook-rootpath').mockResolveDirSync;8const mockResolveFile = require('storybook-rootpath').mockResolveFile;9const mockResolveFileSync = require('storybook-rootpath').mockResolveFileSync;10const mockResolveModule = require('storybook-rootpath').mockResolveModule;11const mockResolveModuleSync = require('storybook-rootpath').mockResolveModuleSync;12const mockResolveModuleDir = require('storybook-rootpath').mockResolveModuleDir;13const mockResolveModuleDirSync = require('storybook-rootpath').mockResolveModuleDirSync;14const mockResolveModuleFile = require('storybook-rootpath').mockResolveModuleFile;15const mockResolveModuleFileSync = require('storybook-rootpath').mockResolveModuleFileSync;16const mockResolveModuleFileDir = require('storybook-rootpath').mockResolveModuleFileDir;17const mockResolveModuleFileDirSync = require('storybook-rootpath').mockResolveModuleFileDirSync;

Using AI Code Generation

1import { mount } from "enzyme";2import { withJestMock } from "storybook-root";3import { MyComponent } from "my-component";4describe("MyComponent", () => {5  it("should render", () => {6    const wrapper = mount(withJestMock(MyComponent));7    expect(wrapper).toMatchSnapshot();8  });9});10import { configure } from "@storybook/react";11import { addDecorator } from "@storybook/react";12import { withJestMock } from "storybook-root";13addDecorator(withJestMock);14configure(require.context("../src", true, /\.stories\.js$/), module);15import "storybook-root/addons";16const path = require("path");17const root = path.resolve(__dirname, "..");18module.exports = ({ config }) => {19  config.resolve.modules = [root, "node_modules"];20  return config;21};22"scripts": {23},24"devDependencies": {25}26"jest": {27  "moduleNameMapper": {28  }29}30{31}32{33  "rules": {34    "import/no-extraneous-dependencies": ["error", { "devDependencies": true }],35    "react/jsx-filename-extension": [1, { "extensions": [".js",

Using AI Code Generation

1const { getStory } = require('storybook-root-cause');2const { render } = require('@testing-library/react');3const { default: MyComponent } = require('./MyComponent');4describe('MyComponent', () => {5  it('should render the component', () => {6    const { container } = render(getStory(MyComponent));7    expect(container).toMatchSnapshot();8  });9});10import React from 'react';11import { MyComponent } from './MyComponent';12export default {13};14export const Default = () => <MyComponent />;15Default.parameters = {16  rootCause: {17    mock: {18    },19  },20};21import React from 'react';22import PropTypes from 'prop-types';23export const MyComponent = ({ name }) => {24  return <div data-testid="my-component">{name}</div>;25};26MyComponent.propTypes = {27};28`;29import { getStory } from 'storybook-root-cause';30describe('MyComponent', () => {31  it('should render the component', () => {32    expect(getStory(MyComponent)).toMatchSnapshot();33  });34});35import { getStory } from 'storybook-root-cause';36describe('MyComponent', () => {37  it('should render the component', () => {38    expect(getStory(MyComponent)).toMatchSnapshot();39  });40});

Using AI Code Generation

1import { withRootDecorator } from 'storybook-root-decorator';2export default withRootDecorator(story => story(), { storybook: true, jest: true });3In your storybook stories, import the decorator and add it to the story:4import React from 'react';5import { storiesOf } from '@storybook/react';6import Button from '../../src/components/Button';7import { withRootDecorator } from 'storybook-root-decorator';8storiesOf('Button', module)9  .addDecorator(withRootDecorator)10  .add('with text', () => <Button>Hello Button</Button>)11  .add('with some emoji', () => (12  ));13In your Jest tests, import the decorator and add it to the story:14import React from 'react';15import renderer from 'react-test-renderer';16import Button from '../../src/components/Button';17import { withRootDecorator } from 'storybook-root-decorator';18test('renders correctly', () => {19    .create(withRootDecorator(<Button>Hello Button</Button>))20    .toJSON();21  expect(tree).toMatchSnapshot();22});23import React from 'react';24import { storiesOf } from '@storybook/react';25import Button from '../../src/components/Button';26import { withRootDecorator } from 'storybook-root-decorator';27storiesOf('Button', module)28  .addDecorator(withRootDecorator())29  .add('with text', () => <Button>Hello Button</Button>)30  .add('with some emoji', () => (

Using AI Code Generation

1import { storybookRoot } from 'storybook-root';2import { mock, unmock } from 'jest-mock-extended';3const test = storybookRoot(mock);4test('test', () => {5});6import { storybookRoot } from 'storybook-root';7import { mock, unmock } from 'jest-mock-extended';8const test = storybookRoot(mock);9test('test', () => {10});11import { storybookRoot } from 'storybook-root';12import { mock, unmock } from 'jest-mock-extended';13const test = storybookRoot(mock);14test('test', () => {15});16import { storybookRoot } from 'storybook-root';17import { mock, unmock } from 'jest-mock-extended';18const test = storybookRoot(mock);19test('test', () => {20});21import { storybookRoot } from 'storybook-root';22import { mock, unmock } from 'jest-mock-extended';23const test = storybookRoot(mock);24test('test', () => {25});26import { storybookRoot } from 'storybook-root';27import { mock, unmock } from 'jest-mock-extended';28const test = storybookRoot(mock);29test('test', () => {30});31import { storybookRoot } from 'storybook-root';32import { mock, unmock } from 'jest-mock-extended';33const test = storybookRoot(mock);34test('test', () => {35});36import { storybookRoot } from 'storybook-root';37import { mock, unmock } from 'jest-mock-extended';38const test = storybookRoot(mock);39test('test', () => {40});

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