assertion-library

JavaScript Testing utilities for React

Verify is a snapshot tool that simplifies the assertion of complex data models and documents.

Fluent testing library for ASP.NET Core MVC.

Fluent testing framework for ASP.NET Web API 2.

A multiplatform assertion library for Kotlin

Assertive programming for R analysis pipelines

Rust testing library

A pytest plugin that allows multiple failures per test.

Power Assert in Elixir. Shows evaluation results each expression.

Behavior-oriented, expressive, human-friendly Python assertion library for the 21st century

Bringing Jest-esque Snapshot testing to C#

A Go test assertion library for verifying that two representations of JSON are semantically equal

Fluent assertions for Python

Fluent assertion-style functions used by goconvey and gunit. Can also be used in any test or application.

WebdriverIO Assertion Library

Lightweight Self-Documenting Design by Contract Programming and Security Hardened mode.

Matchers for JDK 8 Optional

A comprehensive set of matcher-based assertions for easier testing of Rust code

Fluent test assertions for Rust.

A header-only C++ library for system-level verification and declarative testing of real-time systems with Python bindings.