Powerful, elegant and flexible test framework for Kotlin with assertions, property testing and data driven tests.

Additional Jest matchers 🃏💪

Hamcrest for Kotlin

Chain Jest matchers together to create one powerful assertion 🃏⛓

Curried Type Testing library, and Test Matchers for Jest

✨ JSON schema matcher for Jest

Argument matchers for unittest.mock

Java library which implements hamcrest matchers for collections and webdriver webelements. Includes a few matcher decorators to handle timeout issues.

RSpec Matchers for Hanami

Test-framework agnostic assertion and expectation library

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

💉 Adds matcher support to minitest without all the other RSpec-style expectation "infections."

assert + matchers <3

A Simple Unit Test Matcher Library for Python 3.6+

Matchers for pytest

A port of Hamcrest to Rust

Wide collection of Golang assertions: Gomega and Gomock compatible matchers

A simple Jest or Chai matcher to compare screenshots, using Applitools Eyes

Opinionated library for writing web component tests

GeoJSON Validation Matchers for Jest