{"id":11245,"date":"2025-01-06T14:30:54","date_gmt":"2025-01-06T14:30:54","guid":{"rendered":"https:\/\/testgrid.io\/blog\/?p=11245"},"modified":"2026-03-09T16:17:02","modified_gmt":"2026-03-09T16:17:02","slug":"cypress-testing","status":"publish","type":"post","link":"https:\/\/testgrid.io\/blog\/cypress-testing\/","title":{"rendered":"Cypress For Test Automation: A Step-by-Step Guide"},"content":{"rendered":"\n

With the complexity of software applications growing every day, one of the most important things for every testing team to focus on is optimizing test coverage. Testers all over the world use testing tools and frameworks to conduct various kinds of testing. However, testing software systems from end-to-end along with all of their subsystems is an urgent necessity.<\/p>\n\n\n\n

Cypress is a modern JavaScript-based E2E (End-to-End) testing framework designed for modern web applications. As a Cypress tool for automation, it enables developers to write fast, reliable, and maintainable tests for web applications. It provides a powerful and easy-to-use way to automate tests. It is primarily used for testing web applications and can be integrated with various tools and frameworks like React, Angular, Vue, and more. Its unique features, like time travel and automatic waiting, can significantly improve the efficiency and reliability of your testing process.<\/p>\n\n\n\n

In this blog, we will deep dive into how to set up Cypress to perform End to End testing with Cypress locally and in the cloud using TestGrid<\/p>\n\n\n\n

Before explaining more about Cypress, let’s see the NPM trend for Cypress. Looking at the npm trends gives us some insights into the popularity and adoption rates of Cypress.<\/p>\n\n\n\n

\"NPM<\/figure>\n\n\n\n

What is Cypress Testing Framework<\/strong>?<\/h2>\n\n\n\n

Cypress is a popular open-source testing framework that is primarily used for web application testing. It is built using JavaScript, so if you are wondering what language Cypress uses, the answer is JavaScript, which makes it a great fit for front-end developers.<\/p>\n\n\n\n

Many new testers often ask, Is Cypress a framework or just a library? Cypress is indeed a complete end-to-end testing framework built on JavaScript for fast and interactive browser testing.<\/p>\n\n\n\n

One of the key advantages of Cypress over other testing frameworks like Selenium is that it doesn’t require the use of driver binaries. Unlike Selenium, which uses the WebDriver protocol, the Cypress WebDriver-free model interacts directly with the browser, resulting in faster and more stable execution.<\/p>\n\n\n\n

The screenshot below shows how tests are executed inside of the browser, which reduces test execution time and removes network latency.<\/p>\n\n\n\n

\"cypress
Source<\/a><\/figcaption><\/figure>\n\n\n\n

Cypress automation testing runs on a NodeJS server. To create a connection between the browser and the Node.js server, Cypress uses the WebSocket protocol. WebSockets provide full-duplex communication, which allows Cypress to send commands, such as navigating to URLs, interacting with elements, and making assertions, from the test code to the browser in real-time. It also enables Cypress to receive feedback, such as DOM snapshots, console logs, and other test-related information, from the browser back to the server.<\/p>\n\n\n\n

Let’s break down the components and how they interact:<\/strong><\/p>\n\n\n\n

Understanding the Cypress architecture helps visualize how its runner, Node.js server, and browser communicate through WebSockets during real-time test execution.<\/p>\n\n\n\n