114 Open Source Assertions Software Projects

JavaScript Testing utilities for React

A toolkit with common assertions and mocks that plays nicely with the standard library

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API.

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

Test Automation Made Simple

Powerful, elegant and flexible test framework for Kotlin

Pester is the ubiquitous test and mock framework for PowerShell.

Fluent API for asserting the results of unit tests that targets .NET Framework 4.5, 4.7, .NET Standard 1.3, 1.6 and 2.0. Supports the unit test frameworks MSTest, MSTest2, Gallio, NUnit, XUnit, MBunit, MSpec, and NSpec.

BDD style assertions for node.js -- test framework agnostic

AssertJ is a library providing easy to use rich typed assertions

End-to-end HTTP and REST API testing for Go.

Additional Jest matchers 🃏💪

HTTP traffic mocking and testing made easy in Go ༼ʘ̚ل͜ʘ̚༽

Type check values

Markdown based document-driven RESTful API testing.

A community-developed, free, open source, API automation and load testing framework built using JUnit core runners for Http REST, SOAP, Security, Database, Kafka and much more. Zerocode Open Source enables you to create, change, orchestrate and maintain your automated test cases declaratively with absolute ease.

Unexpected - the extensible BDD assertion toolkit

Assertive programming for R analysis pipelines

Data-driven unit testing for Jasmine, Mocha, and Jest

LuaUnit is a popular unit-testing framework for Lua, with an interface typical of xUnit libraries (Python unittest, Junit, NUnit, ...). It supports several output formats (Text, TAP, JUnit, ...) to be used directly or work with Continuous Integration platforms (Jenkins, Maven, ...).

A multiplatform assertion library for Kotlin

A flexible and expressive pandas data validation library

Hamcrest for Kotlin

Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏

Assertions API for Clojure/Script

An assertion library for Kotlin

MOVED TO GITLAB

Chain Jest matchers together to create one powerful assertion 🃏⛓

Set of handy reusable .NET components that can simplify your daily work and save your time when you copy and paste your favorite helper methods and classes from one project to another

Simplify testing of redux action and async action creators

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

BDD assertion library for Kotlin

Fast and versatile argument checks

:white_check_mark: Easy property validation for JavaScript, Node and Express.

bash unit testing enterprise edition framework for professionals

Assert your API requests and responses match with your swagger definition

A BDD test framework for Postman and Newman

✔️ tf is a microframework for parameterized testing of functions and HTTP in Go.

Nightwatch.js custom commands and assertions

A powerful testing framework for ZSH projects

Build more expressive integration tests with webdriver sugar for chai.js

Validation frontend for models.

Never debug a test again: Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java

Curried Type Testing library, and Test Matchers for Jest

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

Extremely flexible golang deep comparison, extends the go testing package and tests HTTP APIs

BDD Assertions for PHPUnit and Codeception

Approximate floating point equality comparisons and assertions

A set of advanced assertions for Pester to simplify how you write tests.

Rust testing library

Cast unknown values to typed values

Fluent assertions for Python

A collection of convenient assertions for Swift testing

Lazy node assertions without performance penalty

An assertion library for C++

The util project, packed with common goodies.

Laravel-specific Testing Helpers and Assertions.

Mock websockets and assert complex websocket interactions with Jest

A lightweight .NET library for expressive Guard Clauses.

Method Chaining base UnitTesting Extension Methods and Dynamic Private Accessor for MSTest, NUnit, xUnit.net.

Chai (https://chaijs.com) and Jest (https://jestjs.io/) assertions for testing services built with aws

✅ Concise is test framework for using plain English and minimal code, built on PHPUnit.

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

:exclamation: Assertion lib for shell script users

Add function args and return Spec checking via assertions

c++ testing framework

Lightweight test utilities to use with Go's testing package

Useful functions for testing React Components with Enzyme.

Design by Contract for Crystal

Matchers for JDK 8 Optional

Validation assertions library

Super-agent driven library for testing Deno HTTP servers.

Assertions for Vavr - http://www.vavr.io/

Easy Inline Test Creation in Comments

PHPUnit mail assertions for testing email in Laravel

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

Chai browser plugins set for Karma

A Functional, monadic test-runner

Test-framework agnostic assertion and expectation library

assert + matchers <3

Enable fancy colored diffs in your minitest assertions

custom failure message on any jasmine v2 assertion

An isolation framework for Clojure/ClojureScript.

Check if your changes are a major change, minor change or just a patch.

The power of Respect\Validation into an assertion library.

A tiny and simple test framework for crystal

Test Anything Protocol (TAP) Producer for C++

Library for simplifying data verification in functional tests for your JSON-based APIs

Unit Testing framework for PicoLisp

Testing generator function never been easy

Assertion macros toolkit for Rust

HTTP assertions for Oak made easy via SuperDeno. 🐿 🦕

Properties matcher for chai that assert values have all the same attributes and values without asserting strict object equality.

assert_difference, but better.

custom failure message on any jasmine v1.3 assertion

:nut_and_bolt: Provides a test helper, generic data providers, and assertions.

Simple REST API assertion framework

JSON Content Validator (JCV) allows you to compare JSON contents with embedded validation.

Expect.js adapter for Karma test runner