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

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

Test Anything Protocol tools for node

A tiny invariant function

A simple, fluent, extensible, and fully customizable library for throwing exceptions for projects using .NET 6+

🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time.

🔥 Error handling library with context, assertion, stack trace and source fragments

node's assert.deepEqual algorithm

Expressive end-to-end HTTP API testing made easy in Go

Ensure correct assumptions about constants, types, and more in Rust

A multiplatform expectation library for Kotlin

An assertion library for Kotlin

A collection of packages to augment the go testing package and support common patterns.

Strong type constraints for Scala

⁉️ Lightweight JavaScript form validation, that had minimal configuration and felt natural to use. No dependencies, support UMD.

🍀 Golang basic library. || Go语言基础库

🛵 Universal adapter for TypeScript schema validation.

Node.js's require('assert') for all engines

☕ Ergonomic, modern and type-safe assertion library for TypeScript

An enjoyable golang test framework.