Open-source alternatives to Expect.js

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

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

Testing tool in Scala for HTTP JSON API

gomonkey is a library to make monkey patching in unit tests easy

Rust-based framework to Fuzz Solana programs, designed to help you ship secure code.

Common tasks for Erlang projects that use Mix

Download the latest release (or clone) the repository and build Kovacs with:

Chaos testing, network emulation, and stress testing tool for containers

Runs a load test on the selected URL. Fast and easy to use. Can be integrated in your own workflow using the API.

Property based Testing for Elixir (based upon PropEr)

A collection of useful micro-modules for Lua.

Testing Framework for Rust

OHHTTPStubs is an HTTP network mocking library and request interceptor used to simulate server responses for testing application behavior without a live backend. It functions as a network request stubbing tool that captures outgoing network calls and replaces them with predefined mock data, custom status codes, and headers. The library distinguishes itself through its ability to simulate a wide range of network conditions, including artificial latency and connection failures. It supports dynamic response sequencing, allowing the tool to return a series of different responses for the same requ

jest-image-snapshot is a Node.js image testing library and visual comparison engine designed for visual regression testing within Jest. It provides a custom matcher to compare current images against baseline snapshots to identify pixel differences. The tool generates image diffs that highlight specific divergences between baseline and received snapshots. It includes mechanisms to update baseline images when changes are approved and allows for sensitivity tuning via pixel count, percentage thresholds, or blur to ignore noise. The library covers image snapshot management, including custom stor

Protractor is a WebDriver-based end-to-end testing framework and browser automation tool. It serves as a frontend integration test suite used to verify web application flows by simulating user behavior and executing JavaScript within a browser. The framework is specifically designed for testing Angular applications, providing specialized locators and synchronization tools that align with the framework lifecycle. It distinguishes itself through automatic test step synchronization, which pauses execution until pending page tasks are completed to ensure stable browser execution. The tool covers

Random testing library for C#

Elixir Behaviour Driven Development

airspeed velocity

Apache JMeter is a Java-based performance testing tool and multi-protocol traffic simulator used to analyze the stability and scalability of servers and networks. It functions as a distributed load testing framework that coordinates remote worker nodes from a single controller to generate high volumes of concurrent traffic. The project is distinguished by its ability to simulate traffic across diverse backend systems, including HTTP, JDBC, LDAP, JMS, FTP, and TCP. It provides a headless command-line interface for automated execution and a reporting system that transforms raw sample logs into

★ Online documentation ★

The XCTest Project, A Swift core library for providing unit test support

Native ApprovalTests for C++ on Linux, Mac and Windows

Pure Go Redis server for Go unittests