Testing · JavaScript Tools

bruno

github

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

javascript-testing-best-practices

github

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

mocha

github

☕️ Classic, reliable, trusted test framework for Node.js and the browser

enzyme

github

JavaScript Testing utilities for React

react-testing-library

github

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

jasmine

github

Simple JavaScript testing framework for browsers and node.js

nightwatch

github

Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack

pollyjs

github

Record, Replay, and Stub HTTP Interactions.

artillery

github

The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.

miragejs

github

A client-side server to build, test and share your JavaScript app

jest-dom

github

:owl: Custom jest matchers to test the state of the DOM

pa11y

github

Pa11y is your automated accessibility testing pal

nodejs-testing-best-practices

github

Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)

dredd

github

Language-agnostic HTTP API Testing Tool

CodeceptJS

github

Supercharged End 2 End Testing Framework for NodeJS

qunit

github

🔮 An easy-to-use JavaScript unit testing framework.

jest-image-snapshot

github

✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.