Awesome Open Source
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The Top 57 Assertions Open Source Projects

Categories > Software Quality > Assertions
Enzyme ⭐ 19,428
JavaScript Testing utilities for React
Testify ⭐ 12,668
A toolkit with common assertions and mocks that plays nicely with the standard library
Supertest ⭐ 10,940
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API.
Chai ⭐ 7,174
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Karate ⭐ 4,508
Test Automation Made Simple
Kotest ⭐ 2,802
Powerful, elegant and flexible test framework for Kotlin
Pester ⭐ 2,452
Pester is the ubiquitous test and mock framework for PowerShell.
Fluentassertions ⭐ 2,082
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.
Assertj Core ⭐ 1,910
AssertJ is a library providing easy to use rich typed assertions
Should.js ⭐ 1,901
BDD style assertions for node.js -- test framework agnostic
Httpexpect ⭐ 1,631
End-to-end HTTP and REST API testing for Go.
Jest Extended ⭐ 1,404
Additional Jest matchers 🃏💪
Gock ⭐ 1,170
HTTP traffic mocking and testing made easy in Go ༼ʘ̚ل͜ʘ̚༽
Is ⭐ 1,008
Type check values
Silk ⭐ 918
Markdown based document-driven RESTful API testing.
Pandera ⭐ 497
A light-weight, flexible, and expressive pandas data validation library
Zerocode ⭐ 480
A community-developed, free, open source, microservices 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.
Bash_unit ⭐ 377
bash unit testing enterprise edition framework for professionals
Kotlin Power Assert ⭐ 366
Kotlin compiler plugin to enable diagrammed assertions in the Kotlin programming language
Luaunit ⭐ 355
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, ...).
Atrium ⭐ 355
A multiplatform assertion library for Kotlin
Assertr ⭐ 352
Assertive programming for R analysis pipelines
Unexpected ⭐ 344
Unexpected - the extensible BDD assertion toolkit
Sazerac ⭐ 321
Data-driven unit testing for Jasmine, Mocha, and Jest
Hamkrest ⭐ 316
Hamcrest for Kotlin
Strikt ⭐ 305
An assertion library for Kotlin
Tester ⭐ 274
Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏
Truss ⭐ 238
Assertions API for Clojure/Script
Jest Chain ⭐ 233
Chain Jest matchers together to create one powerful assertion 🃏⛓
Check Types.js ⭐ 232
MOVED TO GITLAB
Codejam ⭐ 216
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
Gotest.tools ⭐ 203
A collection of packages to augment the go testing package and support common patterns.
K9 ⭐ 193
Rust testing library
Redux Actions Assertions ⭐ 178
Simplify testing of redux action and async action creators
Checkmate ⭐ 174
Fast and versatile argument checks
Expekt ⭐ 163
BDD assertion library for Kotlin
Property Validator ⭐ 153
✅ Easy property validation for JavaScript, Node and Express.
Zunit ⭐ 140
A powerful testing framework for ZSH projects
Postman Bdd ⭐ 139
A BDD test framework for Postman and Newman
Swaggerassertions ⭐ 137
Assert your API requests and responses match with your swagger definition
Catch Exception ⭐ 136
Tf ⭐ 133
✔️ tf is a microframework for parameterized testing of functions and HTTP in Go.
Nightwatch Custom Commands Assertions ⭐ 131
Nightwatch.js custom commands and assertions
Chai Webdriver ⭐ 128
Build more expressive integration tests with webdriver sugar for chai.js
Verify ⭐ 126
BDD Assertions for PHPUnit and Codeception
Scott ⭐ 125
Never debug a test again: Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java
Expect More ⭐ 124
Curried Type Testing library, and Test Matchers for Jest
Scrivener ⭐ 123
Validation frontend for models.
Grappa ⭐ 119
Behavior-oriented, expressive, human-friendly Python assertion library for the 21st century
Go Testdeep ⭐ 115
Extremely flexible golang deep comparison, extends the go testing package and tests HTTP APIs
Approx ⭐ 95
Approximate floating point equality comparisons and assertions
Erdos.assert ⭐ 70
power assert macro for clojure
Assert ⭐ 68
A collection of convenient assertions for Swift testing
Lazy Ass ⭐ 63
Lazy node assertions without performance penalty
Aws Testing Library ⭐ 52
Chai (https://chaijs.com) and Jest (https://jestjs.io/) assertions for testing services built with aws
Should Enzyme ⭐ 41
Useful functions for testing React Components with Enzyme.
Clj Fakes ⭐ 26
An isolation framework for Clojure/ClojureScript.
1-57 of 57 projects
Advertising 📦 10
All Projects
Application Programming Interfaces 📦 124
Applications 📦 192
Artificial Intelligence 📦 78
Blockchain 📦 73
Build Tools 📦 113
Cloud Computing 📦 80
Code Quality 📦 28
Collaboration 📦 32
Command Line Interface 📦 49
Community 📦 83
Companies 📦 60
Compilers 📦 63
Computer Science 📦 80
Configuration Management 📦 42
Content Management 📦 175
Control Flow 📦 213
Data Formats 📦 78
Data Processing 📦 276
Data Storage 📦 135
Economics 📦 64
Frameworks 📦 215
Games 📦 129
Graphics 📦 110
Hardware 📦 152
Integrated Development Environments 📦 49
Learning Resources 📦 166
Legal 📦 29
Libraries 📦 129
Lists Of Projects 📦 22
Machine Learning 📦 347
Mapping 📦 64
Marketing 📦 15
Mathematics 📦 55
Media 📦 239
Messaging 📦 98
Networking 📦 315
Operating Systems 📦 89
Operations 📦 121
Package Managers 📦 55
Programming Languages 📦 245
Runtime Environments 📦 100
Science 📦 42
Security 📦 396
Social Media 📦 27
Software Architecture 📦 72
Software Development 📦 72
Software Performance 📦 58
Software Quality 📦 133
Text Editors 📦 49
Text Processing 📦 136
User Interface 📦 330
User Interface Components 📦 514
Version Control 📦 30
Virtualization 📦 71
Web Browsers 📦 42
Web Servers 📦 26
Web User Interface 📦 210