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How to use mountCallback method in Cypress
Best JavaScript code snippet using cypress
superhtml.js
Source:superhtml.js 
...28 let mountCallback = null;29 // Run mountCallback when component mounted30 componentMounted.promise.then(() => {31 if (mountCallback) {32 mountCallback();33 }34 })35 /*36 Returns a random hash to be used as an HTML element class37 @return {String} resultant hash38 */39 function createRandomClass() {40 return window.btoa(window.crypto.getRandomValues(new Uint32Array(1)));41 }42 /*43 Evaluates a regular expression on a string and returns a match boolean44 45 @param {String} string - input string46 @param {RegExp} regex - regular expression ...
crostini.js
Source:crostini.js
...66 },67 });68 // Continue from fileManagerPrivate.mountCrostiniContainer callback69 // and ensure expected files are shown.70 mountCallback();71 return test.waitForFiles(72 test.TestEntryInfo.getExpectedRows(test.CROSTINI_ENTRY_SET));73 })74 .then(() => {75 // Reset fileManagerPrivate.mountCrostiniContainer and remove mount.76 chrome.fileManagerPrivate.mountCrostiniContainer = oldMount;77 chrome.fileManagerPrivate.removeMount('crostini');78 // Linux Files fake root is shown.79 return test.waitForElement(80 '#directory-tree .tree-item [root-type-icon="crostini"]');81 })82 .then(() => {83 // Downloads folder should be shown when crostini goes away.84 return test.waitForFiles(...
crostini_mount.js
Source:crostini_mount.js
...38 // and add crostini disk mount.39 test.mountCrostini();40 // Continue from fileManagerPrivate.mountCrostini callback41 // and ensure expected files are shown.42 mountCallback();43 await test.waitForFiles(44 test.TestEntryInfo.getExpectedRows(test.BASIC_CROSTINI_ENTRY_SET));45 // Reset fileManagerPrivate.mountCrostini and remove mount.46 chrome.fileManagerPrivate.mountCrostini = oldMount;47 chrome.fileManagerPrivate.removeMount('crostini');48 // Linux Files fake root is shown.49 await test.waitForElement(fakeRoot);50 // MyFiles folder should be shown when crostini goes away.51 await test.waitForFiles(test.TestEntryInfo.getExpectedRows(52 test.BASIC_MY_FILES_ENTRY_SET_WITH_LINUX_FILES));53 done();54};55crostiniMount.testMountCrostiniError = async (done) => {56 const fakeRoot = '#directory-tree [root-type-icon="crostini"]';...
main.js
Source:main.js
1import Vue from 'vue'2import App from './App.vue'3// import router from './router'4// import store from './store'5import ElementUI from 'element-ui'6import 'element-ui/lib/theme-chalk/index.css'7Vue.config.productionTip = false8Vue.use(ElementUI)9// è·å页é¢ç»ä»¶å¯¹è±¡10// const viewsComponentObj = (() => {11// const views = require.context('@/views', true, /^((?!componen).)+\.vue$/)12// const viewsComponent = views.keys().map(v => {13// views(v).default.file = v.replace('./', 'src/views/')14// return views(v).default15// })16// const obj = {}17// viewsComponent.forEach(v => {18// obj[v.file] = v19// })20// return obj21// })()22// new Vue({23// router,24// store,25// render: h => h(App)26// }).$mount('#app')27if (!window.__INJECTED_PUBLIC_PATH_BY_QIANKUN__) {28 new Vue({29 // router,30 // store,31 render: h => h(App)32 }).$mount('#app')33}34/**35 * bootstrap åªä¼å¨å¾®åºç¨åå§åçæ¶åè°ç¨ä¸æ¬¡ï¼ä¸æ¬¡å¾®åºç¨éæ°è¿å
¥æ¶ä¼ç´æ¥è°ç¨ mount é©åï¼ä¸ä¼åéå¤è§¦å bootstrapã36 * é常æ们å¯ä»¥å¨è¿éåä¸äºå
¨å±åéçåå§åï¼æ¯å¦ä¸ä¼å¨ unmount é¶æ®µè¢«éæ¯çåºç¨çº§å«çç¼åçã37 */38export async function bootstrap () {39 // å®æ¶ç»å®å¾®åºç¨çhost40 // eslint-disable-next-line41 __webpack_public_path__ = window.__INJECTED_PUBLIC_PATH_BY_QIANKUN__42}43let $vm = null44/**45 * åºç¨æ¯æ¬¡è¿å
¥é½ä¼è°ç¨ mount æ¹æ³ï¼é常æ们å¨è¿é触ååºç¨ç渲ææ¹æ³46 */47export async function mount (props) {48 const rootDiv = document.createElement('div')49 props.container.appendChild(rootDiv)50 $vm = new Vue({51 el: rootDiv,52 mounted () {53 if (props.mountCallBack) {54 props.mountCallBack(this)55 }56 },57 render: h => h(App)58 })59}60/**61 * åºç¨æ¯æ¬¡ ååº/å¸è½½ ä¼è°ç¨çæ¹æ³ï¼é常å¨è¿éæ们ä¼å¸è½½å¾®åºç¨çåºç¨å®ä¾62 */63export async function unmount (props) {64 $vm.$destroy()65}66/**67 * å¯éçå½å¨æé©åï¼ä»
ä½¿ç¨ loadMicroApp æ¹å¼å 载微åºç¨æ¶çæ68 */69export async function update (props) {70 console.log('update props', props)...
index.js
Source:index.js
1const { Router } = require('express');2const Database = require('./db');3const mount = require('./mount');4const load = require('./load');5function create(db, callback) {6 const router = Router({ mergeParams: true });7 for (const doc of db.all()) {8 mount(router, doc, callback);9 }10 return router;11}12function watchFile(filename, callback) {13 require('chokidar')14 .watch(filename)15 .on('change', function(filename) {16 callback(null, filename);17 })18 .on('unlink', function() {19 callback(null, null);20 })21 .on('error', err => callback(err));22}23function mockit(filename, watchCallback, mountCallback) {24 let db;25 if (typeof filename === 'string') {26 db = new Database();27 } else {28 mountCallback = watchCallback;29 watchCallback = null;30 if (filename instanceof Database) {31 // db32 db = filename;33 } else if (typeof filename === 'object') {34 db = new Database();35 } else {36 throw new Error('invalid file type');37 }38 }39 const router = Router({ mergeParams: true });40 let subRouter;41 router.use((req, res, next) => {42 if (subRouter) {43 subRouter(req, res, next);44 } else {45 next();46 }47 });48 db.hook(db => {49 subRouter = create(db, mountCallback);50 });51 if (typeof watchCallback === 'function') {52 watchFile(filename, (err, filename) => {53 if (err) {54 watchCallback(err);55 } else {56 try {57 if (filename) {58 db.load(load(filename));59 } else {60 db.drop();61 }62 } catch (error) {63 watchCallback(null, filename != null);64 return;65 }66 watchCallback(null, filename != null);67 }68 });69 }70 if (typeof filename === 'string') {71 db.load(require('./load')(filename));72 } else if (filename instanceof Database) {73 subRouter = create(filename, mountCallback);74 } else {75 db.load(filename);76 }77 return router;78}79mockit.Database = Database;80mockit.load = load;81mockit.mount = mount;82mockit.default = mockit;...
WithData.js
Source:WithData.js
...56 if (this.gotData) {57 if (mountCallback) {58 const self = this59 setTimeout(() => {60 mountCallback && mountCallback(self)61 }, 1)62 }63 return (64 <Component65 {...props}66 {...this.state}67 dataHandlers={this.dataHandlers}68 />69 )70 } else if (defaultElement) {71 return defaultElement72 }73 return <div style={{ display: "inline" }} className="react-loading" />74 }...
message-list-spec.js
Source:message-list-spec.js
...16 })17 })18 })19 context('MessageList without props', () => {20 beforeEach(mountCallback(MessageList))21 it('shows no messages', () => {22 getItems().should('not.exist')23 })24 it('shows messages', () => {25 getItems().should('not.exist')26 // after mounting we can set props using "Cypress.vue"27 cy.log('setting messages').then(() => {28 Cypress.vue.messages = ['one', 'two']29 })30 getItems().should('have.length', 2)31 cy.then(() => {32 Cypress.vue.messages.push('three')33 getItems().should('have.length', 3)34 })35 })36 })37 context('MessageList with props', () => {38 const template = `39 <div>40 <MessageList :messages="messages"/>41 </div>42 `43 const data = () => ({ messages: ['uno', 'dos'] })44 const components = {45 MessageList,46 }47 beforeEach(mountCallback({ template, data, components }))48 it('shows two items at the start', () => {49 getItems().should('have.length', 2)50 })51 })52 context('MessageList under message-list name', () => {53 const template = `54 <div>55 <message-list :messages="messages"/>56 </div>57 `58 const data = () => ({ messages: ['uno', 'dos'] })59 const components = {60 'message-list': MessageList,61 }62 beforeEach(mountCallback({ template, data, components }))63 it('starts with two items', () => {64 expect(Cypress.vue.messages).to.deep.equal(['uno', 'dos'])65 })66 it('shows two items at the start', () => {67 getItems().should('have.length', 2)68 })69 })...
hello-component-spec.js
Source:hello-component-spec.js
1import Hello from './Hello.vue'2import { mountCallback } from '@cypress/vue'3/* eslint-env mocha */4describe('Hello.vue', () => {5 beforeEach(mountCallback(Hello))6 it('shows hello', () => {7 cy.contains('Hello World!')8 })9})10describe('Several components', () => {11 const template = `12 <div>13 <hello></hello>14 <hello></hello>15 <hello></hello>16 </div>17 `18 const components = {19 hello: Hello,20 }21 beforeEach(mountCallback({ template, components }))22 it('greets the world 3 times', () => {23 cy.get('p').should('have.length', 3)24 })...
Using AI Code Generation
1describe('My First Test', function() {2 it('Visits the Kitchen Sink', function() {3 cy.contains('type').click()4 cy.url().should('include', '/commands/actions')5 cy.get('.action-email')6 .type('
Using AI Code Generation
1Cypress.on('window:before:load', (win) => {2 delete win.fetch;3});4Cypress.on('window:before:load', (win) => {5 delete win.fetch;6 win.fetch = null;7});8import React, { Component } from 'react';9import logo from './logo.svg';10import './App.css';11import { BrowserRouter as Router, Route, Link } from 'react-router-dom';12class App extends Component {13 render() {14 return (15 <img src={logo} className="App-logo" alt="logo" />16 <Route exact path="/" component={Home} />17 <Route path="/about" component={About} />18 <Route path="/topics" component={Topics} />19 );20 }21}22const Home = () => (23);24const About = () => (25);26const Topics = ({ match }) => (27 <Link to={`${match.url}/rendering`}>Rendering with React</Link>28 <Link to={`${match.url}/components`}>Components</Link>29 <Link to={`${match.url}/props-v-state`}>Props v. State</Link>30 <Route path={`${match.url}/:topicId`} component={Topic} />31 path={match.url}32 render={() => <h3>Please select a topic.</h3>}
Using AI Code Generation
1Cypress.Commands.add('mountCallback', (component, props = {}) => {2 const mountNode = document.createElement('div');3 mountNode.id = 'mountNode';4 document.body.appendChild(mountNode);5 return mount(component, {6 });7});8describe('Testing the Vue component', () => {9 it('should have a button', () => {10 cy.mountCallback(Button);11 cy.get('button').should('be.visible');12 });13});14Cypress.Commands.add('mountCallback', (component, props = {}) => {15 const mountNode = document.createElement('div');16 mountNode.id = 'mountNode';17 document.body.appendChild(mountNode);18 return mount(component, {19 });20});21describe('Testing the Vue component', () => {22 it('should have a button', () => {23 cy.mountCallback(Button);24 cy.get('button').should('be.visible');25 });26});
Using AI Code Generation
1describe('My First Test', function() {2 it('Does not do much!', function() {3 cy.get('input[name="username"]').type('test')4 cy.get('input[name="password"]').type('test')5 cy.get('button').click()6 cy.contains('Welcome, test')7 cy.get('button').click()8 cy.contains('Welcome, test').should('not.exist')9 })10})
Using AI Code Generation
1describe('test', () => {2 before(() => {3 })4 it('test', () => {5 cy.get('input')6 .type('test')7 .should('have.value', 'test')8 })9})10import './commands'11Cypress.Commands.add('mountCallback', (component, callback) => {12 cy.window().then((win) => {13 const mountNode = win.document.createElement('div')14 const body = win.document.querySelector('body')15 body.appendChild(mountNode)16 callback(win.mount(component, mountNode))17 })18})19describe('test', () => {20 before(() => {21 })22 it('test', () => {23 cy.mountCallback(<MyComponent />, (mount) => {24 })25 })26})
Using AI Code Generation
1describe('Test', () => {2 it('should work', () => {3 cy.mountCallback('MyComponent', (props, state) => {4 })5 })6})
Using AI Code Generation
1import { mount } from 'cypress-react-unit-test'2import React from 'react'3import { Provider } from 'react-redux'4import { createStore } from 'redux'5import { rootReducer } from '../src/redux/rootReducer'6import { TodoList } from '../src/components/TodoList'7describe('TodoList', () => {8 it('renders', () => {9 const store = createStore(rootReducer, {10 todos: [{ id: 1, text: 'todo 1', completed: false }],11 })12 mount(13 <Provider store={store}>14 })15})16import '../support'17it('renders', () => {18 cy.mountTodoList()19 cy.contains('todo 1').should('exist')20})21import { mountReact } from 'cypress-react-unit-test'22import React from 'react'23import { Provider } from 'react-redux'24import { createStore } from 'redux'25import { rootReducer } from '../src/redux/rootReducer'26import { TodoList } from '../src/components/TodoList'27describe('TodoList', () => {28 it('renders', () => {29 const store = createStore(rootReducer, {30 todos: [{ id: 1, text: 'todo 1', completed: false }],31 })32 const component = mountReact(33 <Provider store={store}>34 component.contains('todo 1').should('exist')35 })36})
Using AI Code Generation
1const mountCallback = (component) => {2 cy.mount(component, {3 });4};5describe('MyComponent', () => {6 it('should mount', () => {7 mountCallback(<MyComponent />);8 });9});
Cypress Tutorial
Cypress is a renowned Javascript-based open-source, easy-to-use end-to-end testing framework primarily used for testing web applications. Cypress is a relatively new player in the automation testing space and has been gaining much traction lately, as evidenced by the number of Forks (2.7K) and Stars (42.1K) for the project. LambdaTest’s Cypress Tutorial covers step-by-step guides that will help you learn from the basics till you run automation tests on LambdaTest.
Chapters:
- What is Cypress? -
- Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
- Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
- Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
- Cypress Architecture - Learn more about Cypress architecture and how it is designed to be run directly in the browser, i.e., it does not have any additional servers.
- Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
- Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
- Cypress Learning: Best Practices - Take a deep dive into some of the best practices you should use to avoid anti-patterns in your automation tests.
- How To Run Cypress Tests on LambdaTest? - Set up a LambdaTest account, and now you are all set to learn how to run Cypress tests.
Certification
You can elevate your expertise with end-to-end testing using the Cypress automation framework and stay one step ahead in your career by earning a Cypress certification. Check out our Cypress 101 Certification.
YouTube
Watch this 3 hours of complete tutorial to learn the basics of Cypress and various Cypress commands with the Cypress testing at LambdaTest.
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