Best JavaScript code snippet using jest
normalize.test.js
Source:normalize.test.js
...162 expected[expectedPathFooBar] = true;163 expect(options.collectCoverageOnlyFrom).toEqual(expected);164 });165});166function testPathArray(key) {167 it('normalizes all paths relative to rootDir', () => {168 const {options} = normalize(169 {170 [key]: ['bar/baz', 'qux/quux/'],171 rootDir: '/root/path/foo',172 },173 {},174 );175 expect(options[key]).toEqual([expectedPathFooBar, expectedPathFooQux]);176 });177 it('does not change absolute paths', () => {178 const {options} = normalize(179 {180 [key]: ['/an/abs/path', '/another/abs/path'],181 rootDir: '/root/path/foo',182 },183 {},184 );185 expect(options[key]).toEqual([expectedPathAbs, expectedPathAbsAnother]);186 });187 it('substitutes <rootDir> tokens', () => {188 const {options} = normalize(189 {190 [key]: ['<rootDir>/bar/baz'],191 rootDir: '/root/path/foo',192 },193 {},194 );195 expect(options[key]).toEqual([expectedPathFooBar]);196 });197}198describe('roots', () => {199 testPathArray('roots');200});201describe('transform', () => {202 let Resolver;203 beforeEach(() => {204 Resolver = require('jest-resolve');205 Resolver.findNodeModule = jest.fn(name => name);206 });207 it('normalizes the path', () => {208 const {options} = normalize(209 {210 rootDir: '/root/',211 transform: {212 [DEFAULT_CSS_PATTERN]: '<rootDir>/node_modules/jest-regex-util',213 [DEFAULT_JS_PATTERN]: 'babel-jest',...
normalize-test.js
Source:normalize-test.js
...137 expected[expectedPathFooBar] = true;138 expect(config.collectCoverageOnlyFrom).toEqual(expected);139 });140});141function testPathArray(key) {142 it('normalizes all paths relative to rootDir', () => {143 const {config} = normalize(144 {145 [key]: ['bar/baz', 'qux/quux/'],146 rootDir: '/root/path/foo',147 },148 '/root/path',149 );150 expect(config[key]).toEqual([expectedPathFooBar, expectedPathFooQux]);151 });152 it('does not change absolute paths', () => {153 const {config} = normalize({154 [key]: ['/an/abs/path', '/another/abs/path'],155 rootDir: '/root/path/foo',156 });157 expect(config[key]).toEqual([expectedPathAbs, expectedPathAbsAnother]);158 });159 it('substitutes <rootDir> tokens', () => {160 const {config} = normalize({161 [key]: ['<rootDir>/bar/baz'],162 rootDir: '/root/path/foo',163 });164 expect(config[key]).toEqual([expectedPathFooBar]);165 });166}167describe('roots', () => {168 testPathArray('roots');169});170describe('transform', () => {171 let Resolver;172 beforeEach(() => {173 Resolver = require('jest-resolve');174 Resolver.findNodeModule = jest.fn(name => name);175 });176 it('normalizes the path', () => {177 const {config} = normalize(178 {179 rootDir: '/root/',180 transform: {181 [DEFAULT_CSS_PATTERN]: '<rootDir>/node_modules/jest-regex-util',182 [DEFAULT_JS_PATTERN]: 'babel-jest',...
main.js
Source:main.js
1'use strict';2var ImgurViewer = require('./viewers/imgur/imgur.js');3var OkCupidViewer = require('./viewers/okcupid/okcupid.js');4var HackerNewsViewer = require('./viewers/hackernews/hackernews.js');5var ShortenerViewer = require('./viewers/shortener/shortener.js');6var YoutubeViewer = require('./viewers/youtube/youtube.js');7var hostNames = {8 'www.okcupid.com': {9 '/profile': OkCupidViewer10 },11 'imgur.com': {12 '/a': ImgurViewer13 },14 'news.ycombinator.com': {15 '/item': HackerNewsViewer16 },17 'www.youtube.com': {18 '/watch':YoutubeViewer19 },20 'bit.ly': {21 '/*': ShortenerViewer22 },23 'tinyurl.com': {24 '/*': ShortenerViewer25 },26 'goo.gl': {27 '/*': ShortenerViewer28 }29};30function resolveViewer(a) {31 var paths = hostNames[a.hostname];32 if (paths) {33 var urlPathArray = a.pathname.split('/');34 for (var path in paths) {35 // Exact match?36 if (a.pathname.indexOf(path) === 0) {37 return paths[path];38 }39 else40 {41 // not an exact match, lets try to match parts42 var testPathArray = path.split('/');43 // If we require more pieces than the url has44 if (testPathArray.length > urlPathArray.length) {45 continue;46 }47 var matches = true;48 for (var i = 0; i < testPathArray.length; i++) {49 // Asterisk matches all paths50 if (testPathArray[i] == '*') {51 continue;52 }53 if (testPathArray[i] != urlPathArray[i]) {54 matches = false;55 break;56 }57 }58 if (matches) {59 return paths[path];60 }61 }62 }63 }64 return false;65}66function displayViewer(viewer, a) {67 // Display loading68 document.getElementById('loading').classList.remove('hidden');69 viewer.show(a);70}71function receiveMessage(event) {72 var url = event.data.url;73 var a = document.createElement('A');74 a.href = url;75 var viewer = resolveViewer(a);76 event.source.postMessage({77 hasViewer: !!viewer78 }, event.origin);79 if (viewer) {80 displayViewer(viewer, a);81 }82}...
NavHotels.js
Source:NavHotels.js
1import React, { Component } from 'react';2import './NavHotels.css';3import '../AuthNavigationItem.css';4import { NavLink, withRouter } from 'react-router-dom';5import hotelIcon from '../../../../../img/navImg/hotels.svg';6class NavHotels extends Component{7 constructor() {8 super();9 this.state = {10 };11 }12 render() {13 //Style border of hotelIcon according to the path of the url14 const styleBorder = (pathName) => {15 const pathArray = pathName.split("/");16 // console.log(pathArray);17 // const testPathArray = pathArray.filter((value, index) => index>0 && index<7);18 let myClasses = 'AuthNavLink';19 // const testPath = testPathArray.join("");20 if(21 (pathArray[1] === 'hotels' || 'hotel')22 && (pathArray[1] !== 'home')23 && (pathArray[1] !== 'profile')24 && (pathArray[1] !== 'search')25 && (pathArray[1] !== 'help')26 && (pathArray[1] !== 'settings-and-privacy')27 && (pathArray[1] !== 'advanced')28 && (pathArray[1] !== 'about-us')29 ){30 myClasses = 'AuthNavLink MyActiveLink';31 }32 return myClasses;33 };34 const myClasses = styleBorder(window.location.pathname);35 return (36 <li className="AuthNavigationItem HotelsNav">37 <NavLink className={ myClasses } activeClassName = "ActiveLink" to={this.props.link}>38 <img className="AuthNavIcon" src={hotelIcon} alt="Hotel Icon of CrowApp"/>39 </NavLink>40 </li>41 )42 }43}...
jest.snapshot.resolver.js
Source:jest.snapshot.resolver.js
1module.exports = {2 resolveSnapshotPath: (testPath, snapshotExtension) => {3 const platform = process.env.TEST_PLATFORM || 'ios';4 const testPathArray = testPath.split('/');5 testPathArray.splice(6 testPathArray.length - 1,7 0,8 '__snapshots__',9 platform,10 );11 return testPathArray.join('/') + snapshotExtension;12 },13 resolveTestPath: (snapshotFilePath, snapshotExtension) => {14 return snapshotFilePath15 .replace('__snapshots__/ios/', '')16 .replace('__snapshots__/android/', '')17 .replace('__snapshots__/', '')18 .slice(0, -snapshotExtension.length);19 },20 testPathForConsistencyCheck: '__tests__/example.test.js',...
LambdaTest’s Jest Testing Tutorial covers step-by-step guides around Jest with code examples to help you be proficient with the Jest framework. The Jest tutorial has chapters to help you learn right from the basics of Jest framework to code-based tutorials around testing react apps with Jest, perform snapshot testing, import ES modules and more.
|<p>it('check_object_of_Car', () => {</p><p>
expect(newCar()).toBeInstanceOf(Car);</p><p>
});</p>|
| :- |
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