Should testing for .NET—the way assertions should be!

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.

Lightest, yet Fastest Javascript test runner for nodejs and browsers

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

The Type Linter for JS

HTTP traffic mocking and testing made easy in Python

Assertion framework for Python unit tests

The must library simplifies assertions and panics on failure. Assert conditions directly, avoiding long checks

Done allows you to focus on your business logic without repetitive if err != nil patterns.

Babel Plugin that adds safety to your tests by verifying assertions are actually ran 🃏⁉️

🔥 TypeScript type assertion plugin for vitest

**rese** simplifies Go error handling and result extraction. It combines error and result checks into a single operation.

A Java library for comparing JSONs

Assert deeply nested values in Jest

To probe what we can't prove, so the unprovable may become probable; testing for Scala

Playing with spok inside Cypress

Sample Performance Testing setup for HTTP REST, SOAP APIs, JUnit4, JUnit5 tests - Generating Load and Stress On a Target Application

Simple utility for runtime type checking which also assigns the correct type if used with TypeScript.