How to use checkValidServiceWorker method in Cypress

Best JavaScript code snippet using cypress

serviceWorker.js

Source:serviceWorker.js Github

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...30 window.addEventListener('load', () => {31 const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;32 if (isLocalhost) {33 // This is running on localhost. Let's check if a service worker still exists or not.34 checkValidServiceWorker(swUrl, config);35 // Add some additional logging to localhost, pointing developers to the36 // service worker/PWA documentation.37 navigator.serviceWorker.ready.then(() => {38 console.log(39 'This web app is being served cache-first by a service ' +40 'worker. To learn more, visit https://bit.ly/CRA-PWA'41 );42 });43 } else {44 // Is not localhost. Just register service worker45 registerValidSW(swUrl, config);46 }47 });48 }49}50function registerValidSW(swUrl, config) {51 console.log('checkValidServiceWorker:registerValidSW')52 navigator.serviceWorker53 .register(swUrl)54 .then(registration => {55 registration.onupdatefound = () => {56 const installingWorker = registration.installing;57 if (installingWorker == null) {58 return;59 }60 installingWorker.onstatechange = () => {61 if (installingWorker.state === 'installed') {62 if (navigator.serviceWorker.controller) {63 // At this point, the updated precached content has been fetched,64 // but the previous service worker will still serve the older65 // content until all client tabs are closed.66 console.log(67 'New content is available and will be used when all ' +68 'tabs for this page are closed. See https://bit.ly/CRA-PWA.'69 );70 // Execute callback71 if (config && config.onUpdate) {72 config.onUpdate(registration);73 }74 } else {75 // At this point, everything has been precached.76 // It's the perfect time to display a77 // "Content is cached for offline use." message.78 console.log('Content is cached for offline use.');79 // Execute callback80 if (config && config.onSuccess) {81 config.onSuccess(registration);82 }83 }84 }85 };86 };87 })88 .catch(error => {89 console.error('Error during service worker registration:', error);90 });91}92function checkValidServiceWorker(swUrl, config) {93 console.log('serviceWorker:checkValidServiceWorker')94 // Check if the service worker can be found. If it can't reload the page.95 fetch(swUrl)96 .then(response => {97 // Ensure service worker exists, and that we really are getting a JS file.98 const contentType = response.headers.get('content-type');99 if (100 response.status === 404 ||101 (contentType != null && contentType.indexOf('javascript') === -1)102 ) {103 // No service worker found. Probably a different app. Reload the page.104 navigator.serviceWorker.ready.then(registration => {105 registration.unregister().then(() => {106 window.location.reload();...

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serviceWorker.test.js

Source:serviceWorker.test.js Github

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...95// @ponicode96describe("checkValidServiceWorker", () => {97 test("0", () => {98 let callFunction = () => {99 checkValidServiceWorker("https://accounts.google.com/o/oauth2/revoke?token=%s", "bus_account.mpe")100 }101 102 expect(callFunction).not.toThrow()103 })104 test("1", () => {105 let callFunction = () => {106 checkValidServiceWorker("https://", "bus_account.mpe")107 }108 109 expect(callFunction).not.toThrow()110 })111 test("2", () => {112 let callFunction = () => {113 checkValidServiceWorker("Www.GooGle.com", "png.mpg4")114 }115 116 expect(callFunction).not.toThrow()117 })118 test("3", () => {119 let callFunction = () => {120 checkValidServiceWorker("https://twitter.com/path?abc", "Safari")121 }122 123 expect(callFunction).not.toThrow()124 })125 test("4", () => {126 let callFunction = () => {127 checkValidServiceWorker("https://twitter.com/path?abc", "XCode")128 }129 130 expect(callFunction).not.toThrow()131 })132 test("5", () => {133 let callFunction = () => {134 checkValidServiceWorker(undefined, undefined)135 }136 137 expect(callFunction).not.toThrow()138 })139})140// @ponicode141describe("serviceWorker.unregister", () => {142 test("0", () => {143 let callFunction = () => {144 serviceWorker.unregister()145 }146 147 expect(callFunction).not.toThrow()148 })...

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registerServiceWorker.js

Source:registerServiceWorker.js Github

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...18 window.addEventListener('load', () => {19 const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;20 if (isLocalhost) {21 // This is running on localhost. Lets check if a service worker still exists or not.22 checkValidServiceWorker(swUrl);23 } else {24 // Is not local host. Just register service worker25 if (checkValidServiceWorker(swUrl)) registerValidSW(swUrl);26 }27 });28 }29}30function registerValidSW(swUrl) {31 navigator.serviceWorker32 .register(swUrl)33 .then((registration) => {34 registration.onupdatefound = () => {35 const installingWorker = registration.installing;36 installingWorker.onstatechange = () => {37 if (installingWorker.state === 'installed') {38 if (navigator.serviceWorker.controller) {39 // At this point, the old content will have been purged and40 // the fresh content will have been added to the cache.41 // It's the perfect time to display a "New content is42 // available; please refresh." message in your web app.43 console.log('New content is available; please refresh.');44 } else {45 // At this point, everything has been precached.46 // It's the perfect time to display a47 // "Content is cached for offline use." message.48 console.log('Content is cached for offline use.');49 }50 }51 };52 };53 })54 .catch((error) => {55 console.error('Error during service worker registration:', error);56 });57}58function checkValidServiceWorker(swUrl) {59 // Check if the service worker can be found. If it can't reload the page.60 fetch(swUrl)61 .then((response) => {62 // Ensure service worker exists, and that we really are getting a JS file.63 if (response.status === 404 || response.headers.get('content-type').indexOf('javascript') === -1) {64 // No service worker found. Probably a different app. Reload the page.65 navigator.serviceWorker.ready.then((registration) => {66 registration.unregister().then(() => {67 window.location.reload();68 });69 });70 } else {71 // Service worker found. Proceed as normal.72 registerValidSW(swUrl);...

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registerServiceWorker.test.ts

Source:registerServiceWorker.test.ts Github

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...61// @ponicode62describe("checkValidServiceWorker", () => {63 test("0", () => {64 let callFunction: any = () => {65 checkValidServiceWorker("https://croplands.org/app/a/confirm?t=")66 }67 68 expect(callFunction).not.toThrow()69 })70 test("1", () => {71 let callFunction: any = () => {72 checkValidServiceWorker("http://www.croplands.org/account/confirm?t=")73 }74 75 expect(callFunction).not.toThrow()76 })77 test("2", () => {78 let callFunction: any = () => {79 checkValidServiceWorker("http://base.com")80 }81 82 expect(callFunction).not.toThrow()83 })84 test("3", () => {85 let callFunction: any = () => {86 checkValidServiceWorker("https://api.telegram.org/")87 }88 89 expect(callFunction).not.toThrow()90 })91 test("4", () => {92 let callFunction: any = () => {93 checkValidServiceWorker("Www.GooGle.com")94 }95 96 expect(callFunction).not.toThrow()97 })98 test("5", () => {99 let callFunction: any = () => {100 checkValidServiceWorker("")101 }102 103 expect(callFunction).not.toThrow()104 })105})106// @ponicode107describe("registerServiceWorker.unregister", () => {108 test("0", () => {109 let callFunction: any = () => {110 registerServiceWorker.unregister()111 }112 113 expect(callFunction).not.toThrow()114 })...

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swRegister.js

Source:swRegister.js Github

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...54 }55 window.addEventListener('load', () => {56 const swUrl = `${PUBLIC_URL}/service-worker.js`57 if (isLocalhost) {58 checkValidServiceWorker(swUrl)59 } else {60 registerValidSW(swUrl)61 }62 })63 }64}65export function unregister () {66 if ('serviceWorker' in navigator) {67 navigator.serviceWorker.ready.then((registration) => {68 registration.unregister()69 })70 }...

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service.js

Source:service.js Github

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...18 window.addEventListener('load', () => {19 const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;20 if (isLocalhost) {21 22 checkValidServiceWorker(swUrl);23 } else {24 25 registerValidSW(swUrl);26 }27 });28 }29}30function registerValidSW(swUrl) {31 navigator.serviceWorker32 .register(swUrl)33 .then(registration => {34 registration.onupdatefound = () => {35 const installingWorker = registration.installing;36 installingWorker.onstatechange = () => {37 if (installingWorker.state === 'installed') {38 if (navigator.serviceWorker.controller) {39 40 console.log('New content is available; please refresh.');41 } else {42 43 console.log('Content is cached for offline use.');44 }45 }46 };47 };48 })49 .catch(error => {50 console.error('Error during service worker registration:', error);51 });52}53function checkValidServiceWorker(swUrl) {54 55 fetch(swUrl)56 .then(response => {57 58 if (59 response.status === 404 ||60 response.headers.get('content-type').indexOf('javascript') === -161 ) {62 63 navigator.serviceWorker.ready.then(registration => {64 registration.unregister().then(() => {65 window.location.reload();66 });67 });...

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service-worker-registration.js

Source:service-worker-registration.js Github

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1var swUrl = "/service-worker.js";2function checkValidServiceWorker(swUrl) {3 // Check if the service worker can be found. If it can't reload the page.4 fetch(swUrl, {5 headers: {'Service-Worker': 'script'},6 })7 .then((response) => {8 // Ensure service worker exists, and that we really are getting a JS file.9 const contentType = response.headers.get('content-type');10 if (response.status === 404 || (contentType != null && contentType.indexOf('javascript') === -1)) {11 console.log("asd");12 // No service worker found. Probably a different app. Reload the page.13 navigator.serviceWorker.ready.then((registration) => {14 registration.unregister().then(() => {15 window.location.reload();16 });17 });18 } else {19 // Service worker found. Proceed as normal.20 registerValidSW(swUrl);21 }22 })23 .catch(() => {24 console.log('No internet connection found. App is running in offline mode.');25 });26}27function registerValidSW(swUrl) {28 // return;29 navigator.serviceWorker.register(swUrl)30 .then((reg) => {31 // registration worked32 var installation = reg.installing;33 if (installation == null) {34 return;35 }36 installation.onstatechange = () => {37 // console.log(installation.state);38 };39 console.log('Registration succeeded. Scope is ' + reg.scope);40 }).catch((error) => {41 // registration failed42 console.log('Registration failed with ' + error);43 });44}45(function () {46 if ('serviceWorker' in navigator) {47 checkValidServiceWorker(swUrl);48 }...

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Using AI Code Generation

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1describe('Service Worker', () => {2 it('should have a valid service worker', () => {3 cy.checkValidServiceWorker();4 });5});6describe('Service Worker', () => {7 it('should register a service worker', () => {8 cy.registerServiceWorker();9 });10});11describe('Service Worker', () => {12 it('should unregister a service worker', () => {13 cy.unregisterServiceWorker();14 });15});16describe('Service Worker', () => {17 it('should unregister a service worker', () => {18 cy.unregisterServiceWorker();19 });20});21describe('Service Worker', () => {22 it('should unregister a service worker', () => {23 cy.unregisterServiceWorker();24 });25});26describe('Service Worker', () => {27 it('should unregister a service worker', () => {28 cy.unregisterServiceWorker();29 });30});31describe('Service Worker', () => {32 it('should unregister a service worker', () => {33 cy.unregisterServiceWorker();34 });35});36describe('Service Worker', () => {37 it('should unregister a service worker', () => {38 cy.unregisterServiceWorker();39 });40});41describe('Service Worker', () => {42 it('should unregister a service worker', () => {43 cy.unregisterServiceWorker();44 });45});46describe('Service Worker', () => {47 it('should unregister a service worker', () => {48 cy.unregisterServiceWorker();49 });50});51describe('Service Worker', () => {52 it('should unregister a service worker', () => {53 cy.unregisterServiceWorker();54 });55});56describe('Service Worker', () => {57 it('should unregister a service worker', () => {58 cy.unregisterServiceWorker();59 });60});61describe('Service Worker', () => {62 it('should unregister a service worker',

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Using AI Code Generation

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1describe('Test Service Worker', () => {2 it('Service Worker is registered', () => {3 cy.checkValidServiceWorker()4 })5})6Cypress.Commands.add('checkValidServiceWorker', () => {7 cy.window()8 .its('navigator')9 .its('serviceWorker')10 .invoke('getRegistrations')11 .then((registrations) => {12 const validSW = registrations.find((registration) => {13 return registration.active.scriptURL.match(/service-worker\.js$/)14 })15 expect(validSW).to.exist16 })17})18import './commands'

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Using AI Code Generation

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1describe('test', function() {2 it('test', function() {3 cy.checkValidServiceWorker();4 });5});6Cypress.Commands.add('checkValidServiceWorker', () => {7 cy.window().then((win) => {8 win.navigator.serviceWorker.getRegistrations().then((registrations) => {9 registrations.forEach((registration) => {10 registration.unregister();11 });12 });13 });14});

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Using AI Code Generation

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1describe('Service Worker Test', () => {2 it('Service Worker should be registered', () => {3 })4})5Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {6 cy.window().then((win) => {7 .register(serviceWorkerUrl)8 .then((registration) => {9 })10 })11})12describe('Service Worker Test', () => {13 it('Service Worker should be registered', () => {14 })15})16Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {17 cy.window().then((win) => {18 .register(serviceWorkerUrl)19 .then((registration) => {20 })21 })22})23describe('Service Worker Test', () => {24 it('Service Worker should be registered', () => {25 })26})27Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {28 cy.window().then((win) => {29 .register(serviceWorkerUrl)30 .then((registration) => {31 })32 })33})34describe('Service Worker Test', () => {

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Using AI Code Generation

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1describe('Service Worker Test', () => {2 it('Service Worker should be registered', () => {3 })4})5Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {6 cy.window().then((win) => {7 .register(serviceWorkerUrl)8 .then((registration) => {9 })10 })11})12describe('Service Worker Test', () => {13 it('Service Worker should be registered', () => {14 })15})16Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {17 cy.window().then((win) => {18 .register(serviceWorkerUrl)19 .then((registration) => {20 })21 })22})23describe('Service Worker Test', () => {24 it('Service Worker should be registered', () => {25 })26})27Cypress.Commands.add('checkValidServiceWorker', (serviceWorkerUrl) => {28 cy.window().then((win) => {29 .register(serviceWorkerUrl)30 .then((registration) => {31 })32 })33})34describe('Service Worker Test', () => {

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Using AI Code Generation

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1describe('Cypress Service Worker API', () => {2 it('should be able to check service worker validity', () => {3 cy.checkValidServiceWorker()4 })5})6{7}8describe('Cypress Service Worker API', () => {9 it('should be able to check service worker validity', () => {10 cy.checkValidServiceWorker()11 })12})13describe('Cypress Service Worker API', () => {14 it('should be able to check service worker validity', () => {15 cy.registerServiceWorker(() => {16 })17 })18})19describe('Cypress Service Worker API', () => {20 it('should be able to check service worker validity', () => {21 cy.registerServiceWorker(() => {22 })23 cy.unregisterServiceWorker()24 })25})

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Using AI Code Generation

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1describe('test', function() {2 it('test', function() {3 cy.checkValidServiceWorker();4 });5});6Cypress.Commands.add('checkValidServiceWorker', () => {7 cy.window().then((win) => {8 win.navigator.serviceWorker.getRegistrations().then((registrations) => {9 registrations.forEach((registration) => {10 registration.unregister();11 });12 });13 });14});

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Using AI Code Generation

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1describe('Cypress Service Worker API', () => {2 it('should be able to check service worker validity', () => {3 cy.checkValidServiceWorker()4 })5})6{7}8describe('Cypress Service Worker API', () => {9 it('should be able to check service worker validity', () => {10 cy.checkValidServiceWorker()11 })12})13describe('Cypress Service Worker API', () => {14 it('should be able to check service worker validity', () => {15 cy.registerServiceWorker(() => {16 })17 })18})19describe('Cypress Service Worker API', () => {20 it('should be able to check service worker validity', () => {21 cy.registerServiceWorker(() => {22 })23 cy.unregisterServiceWorker()24 })25})

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Using AI Code Generation

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1describe('Cypress Service Worker', () => {2 it('should work', () => {3 cy.checkValidServiceWorker();4 });5});6Cypress.Commands.add('checkValidServiceWorker', () => {7 cy.window().then((win) => {8 if (win.navigator.serviceWorker) {9 cy.log('Service worker is present');10 win.navigator.serviceWorker.getRegistrations().then((registrations) => {11 registrations.forEach((registration) => {12 expect(registration.active.state).to.equal('activated');13 });14 });15 } else {16 cy.log('Service worker is not present');17 }18 });19});20describe('Cypress Service Worker', () => {21 it('should work', () => {22 cy.checkValidServiceWorker();23 });24});25Cypress.Commands.add('checkValidServiceWorker', () => {26 cy.window().then((win) => {27 if (win.navigator.serviceWorker) {28 cy.log('Service worker is present');29 win.navigator.serviceWorker.getRegistrations().then((registrations) => {30 registrations.forEach((registration) => {31 expect(registration.active.state).to.equal('activated');32 });33 });34 } else {35 cy.log('Service worker is not present');36 }37 });38});39describe('Cypress Service Worker', () => {40 it('should work', () => {41 cy.checkValidServiceWorker();42 });43});44Cypress.Commands.add('checkValidServiceWorker', () => {45 cy.window().then((win) => {46 if (win.navigator.serviceWorker) {47 cy.log('Service worker is present');48 win.navigator.serviceWorker.getRegistrations().then((registrations) => {49 registrations.forEach((registration) => {50 expect(registration.active.state

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Using AI Code Generation

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1cy.checkValidServiceWorker();2cy.checkInvalidServiceWorker();3import './commands'4Cypress.Commands.add('checkValidServiceWorker', () => {5 cy.window().then((win) => {6 win.navigator.serviceWorker.getRegistrations().then(function(registrations) {7 expect(registrations.length).to.be.greaterThan(0);8 });9 });10});11Cypress.Commands.add('checkInvalidServiceWorker', () => {12 cy.window().then((win) => {13 win.navigator.serviceWorker.getRegistrations().then(function(registrations) {14 expect(registrations.length).to.equal(0);15 });16 });17});18it('Test the PWA functionality', () => {19 cy.checkValidServiceWorker();20 cy.checkInvalidServiceWorker();21});22it('Test the service worker registration', () => {23 cy.checkValidServiceWorker();24 cy.checkInvalidServiceWorker();25});

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Using AI Code Generation

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1describe('Cypress Service Worker', () => {2 it('should check if service worker is registered', () => {3 cy.checkValidServiceWorker();4 });5});6describe('Cypress Service Worker', () => {7 it('should check if service worker is not registered', () => {8 cy.checkInvalidServiceWorker();9 });10});11describe('Cypress Service Worker', () => {12 it('should check if service worker is registered', () => {13 cy.checkServiceWorker();14 });15});16describe('Cypress Service Worker', () => {17 it('should check if service worker is not registered', () => {18 cy.checkNoServiceWorker();19 });20});21describe('Cypress Service Worker', () => {22 it('should check if service worker is registered', () => {23 cy.checkServiceWorkerState('activated');24 });25});26describe('Cypress Service Worker', () => {27 it('should check if service worker is not registered', () => {28 cy.checkServiceWorkerState('activated', false);29 });30});31describe('Cypress Service Worker', () => {32 it('should check if service worker is registered', () => {33 });34});35describe('Cypress Service Worker', () => {36 it('should check if service worker is not registered', () => {37 });38});39describe('Cypress Service Worker', () => {40 it('should check if service worker is registered', () => {41 });42});43describe('Cypress Service Worker', () => {44 it('should check if service worker is not registered', () => {

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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:

  1. What is Cypress? -
  2. Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
  3. Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
  4. Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
  5. 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.
  6. Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
  7. Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
  8. 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.
  9. 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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