JavaScript unit testing frameworks

Best JavaScript test frameworks 2022

What is unit testing in javascript?

JavaScript Unit Testing is a code testing method. It is like unit testing in other programming languages. JavaScript code executes in the browser to test all functionalities. Here is the list of some best Javascript test frameworks.

5 Best JavaScript Unit Test Frameworks And Tools


Jest is a JavaScript unit testing framework maintained by Facebook. It is available to focus on simplicity and support for large web applications.

Jest supports projects created with major javascript frameworks. It includes libraries e.g. Babel, TypeScript, Node.js, React, Angular and Vue.js.

JavaScript test frameworks

Features of Jest

  • You don’t need a lot of configurations. It works with almost zero configurations. Sometimes it works fine out of the box.
  • It is reliable, fast, and safe. It can run tests in parallel. Failed tests run first.
  • The Jest is trusted by Facebook and created for react applications. This tool can work with almost every framework.
  • It has millions of weekly downloads via npm and 34k+ stars on GitHub.
  • With live snapshots, this tool allows you to manage testing with large objects.
  • Well-written documentation.


AVA is a simple lightweight testing framework for JavaScript projects. Therefore it is 2nd in our JavaScript test frameworks. AVA can perform tests concurrently.

It is focused to test Node JS applications. it is simple to use and outputs fast performance.

AWA - a JavaScript test frameworks

Features of AVA

  • It is Minimal and performs fast
  • Easy and simple test syntax
  • Runs tests concurrently
  • AVA Includes TypeScript definitions

Cypress is a JavaScript end-to-end testing framework. It has earned popularity among developers for its ease of use. Cypress doesn’t use Selenium.

It is built using Mocha, which is also a JavaScript test framework running on and in the browser. It makes asynchronous testing simple.

JavaScript test frameworks
JavaScript test frameworks

Features of cypress

  • The setup is simple and easy. Installing Cypress is simple. No dependencies, extra downloads, or changes to your code are required.
  • You can Write tests easily and quickly. They execute in real-time as you build your web application.
  • Cypress is developer-friendly. It has been made specifically for developers and QA engineers, to help them get more done.
  • It is open-source and available on Github.
  • Created with the new architecture. It does not use Selenium.


Mocha is yet another powerful JavaScript test framework. It is available for Node.js programs. Features browser support, asynchronous testing, and testing coverage report.

Mocha for JavaScript testing

Features of Mocha

  • It has a huge community. You can find solutions, tutorials, etc. easily.
  • Mocha is extendible, permitting you to run plugins, extensions, and libraries.
  • It is open-source and available on GitHub.


Selenium is a JavaScript portable framework for testing web applications. This tool automates browsers. It is for automating web applications for testing purposes.

It offers a tool for functional tests without the need to learn a test scripting language.

Features of Selenium

  • It supports all major browsers.
  • It is available in multiple programming languages.
  • Optimized for speed and performance.
  • It is open-source and available on GitHub.
  • Has a huge community and the best documentation available online.