JavaScript Testing and Automation Frameworks

Cucumber for JavaScript

Accessibility engine for automated Web UI testing

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

Seamless REST/GraphQL API mocking library for browser and Node.js.

HTTP server mocking and expectations library for Node.js

Record, Replay, and Stub HTTP Interactions.

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

A tool to quickly mock out end points, setup delays and more...

Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

Language-agnostic HTTP API Testing Tool

JS version of Pact. Pact is a contract testing framework for HTTP APIs and non-HTTP asynchronous messaging systems.

fast HTTP/1.1 benchmarking tool written in Node.js

the Istanbul command line interface

blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.

monorepo containing the various nuts and bolts that facilitate istanbul.js test instrumentation

JSCover is a JavaScript Code Coverage Tool that measures line, branch and function coverage

🌩 Cloud-scale serverless load testing, as easy as 1-2-3. No DevOps needed. Never fail to scale!

Runs a load test on the selected URL. Easy to extend minimally for your own ends.

An RxJS marble testing library for any test framework

Test spies, stubs and mocks for JavaScript.

A minimal test double library for TDD with JavaScript

✔️ Mock data for your prototypes and demos. Remote deployments to Zeit now.

💨 Simple yet powerful file-based mock server with recording abilities

Mutation testing for JavaScript and friends

Hackable HTTP proxy for resiliency testing and simulated network conditions

Free RPA tool by AI Singapore

🌩 Cloud-scale serverless load testing, as easy as 1-2-3. No DevOps needed. Never fail to scale!

Grunt: The JavaScript Task Runner

Spectacular Test Runner for JavaScript

uvu is an extremely fast and lightweight test runner for Node.js and the browser

A fast, concurrency-focused task automation tool.

🚦 Your own mini Travis CI to run tests locally

✔️ Run tests for multiple versions of Node.js in local env.

Chrome extension that records your browser interactions and generates a Playwright or Puppeteer script.

record and replay the web

Capture website screenshots

Easy monkey-patching for node.js unit tests

Power Assert in JavaScript. Provides descriptive assertion messages through standard assert interface. No API is the best API.

🔮 Proxies nodejs require in order to allow overriding dependencies during testing.

Capture screenshots of websites

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

☕️ TDD with Browserify, Mocha, Headless Chrome and WebDriver

☕️ simple, flexible, fun javascript test framework for node.js & the browser

Node.js test runner that lets you develop with confidence 🚀

Simple JavaScript testing framework for browsers and node.js

End-to-end testing framework written in Node.js and using the W3C Webdriver API

tap-producing test harness for node and browsers

A next-generation code testing stack for JavaScript.

Test Anything Protocol tools for node

A fast and fun test runner for Vite & Node 🐈️ Powered by Vite ⚡️

A fast and fun test runner for Vite & Node 🐈️ Powered by Vite ⚡️

Node.js API for Chrome

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Fast, easy and reliable testing for anything that runs in a browser.

Scriptable Headless Browser

A high-level browser automation library.

A Node.js tool to automate end-to-end web testing.

Next-gen browser and mobile automation test framework for Node.js

Catch CSS curve balls.

Catch CSS curve balls.

Insanely fast, full-stack, headless browser testing using node.js

Supercharged End 2 End Testing Framework for NodeJS

A node.js library for testing modern web applications

🐺 Create browser tests 10x faster

🐙 Simple and complete DOM testing utilities that encourage good testing practices.

A scriptable browser like PhantomJS, based on Firefox

A low-level browser automation framework built on top of the Web Extensions API standard.

👁 Visual Regression Testing for Storybook

A simple and stable cross-browser testing tool. 简单稳定的跨浏览器测试工具。

Simple client testing from your scripts

Delightful JavaScript Testing.

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

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