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The Top 514 Assertions Open Source Projects on Github

Categories > Software Quality > Assertions
Enzyme ⭐ 19,739
JavaScript Testing utilities for React
Testify ⭐ 14,503
A toolkit with common assertions and mocks that plays nicely with the standard library
Supertest ⭐ 11,561
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API.
Chai ⭐ 7,378
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Karate ⭐ 5,305
Test Automation Made Simple
Kotest ⭐ 3,146
Powerful, elegant and flexible test framework for Kotlin with additional assertions, property testing and data driven testing
Pester ⭐ 2,573
Pester is the ubiquitous test and mock framework for PowerShell.
Fluentassertions ⭐ 2,388
A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, as well as .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
Assertj Core ⭐ 2,059
AssertJ is a library providing easy to use rich typed assertions
Should.js ⭐ 1,883
BDD style assertions for node.js -- test framework agnostic
Httpexpect ⭐ 1,751
End-to-end HTTP and REST API testing for Go.
Jest Extended ⭐ 1,696
Additional Jest matchers 🃏💪
Gock ⭐ 1,453
HTTP traffic mocking and testing made easy in Go ༼ʘ̚ل͜ʘ̚༽
Is ⭐ 1,115
Type check values
Silk ⭐ 908
Markdown based document-driven RESTful API testing.
Pandera ⭐ 768
A light-weight, flexible, and expressive pandas data validation library
Zerocode ⭐ 541
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 ⭐ 472
bash unit testing enterprise edition framework for professionals
Zora ⭐ 421
Lightest, yet Fastest Javascript test runner for nodejs and browsers
Kotlin Power Assert ⭐ 401
Kotlin compiler plugin to enable diagrammed function calls in the Kotlin programming language
Atrium ⭐ 391
A multiplatform assertion library for Kotlin
Strikt ⭐ 374
An assertion library for Kotlin
Assertr ⭐ 374
Assertive programming for R analysis pipelines
Quicktest ⭐ 365
Quick helpers for testing Go applications
Unexpected ⭐ 361
Unexpected - the extensible BDD assertion toolkit
Luaunit ⭐ 354
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, ...).
Tester ⭐ 329
Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏
Sazerac ⭐ 324
Data-driven unit testing for Jasmine, Mocha, and Jest
Hamkrest ⭐ 306
Hamcrest for Kotlin
Pook ⭐ 275
HTTP traffic mocking and testing made simple in Python
Gotest.tools ⭐ 251
A collection of packages to augment the go testing package and support common patterns.
Jest Chain ⭐ 247
Chain Jest matchers together to create one powerful assertion 🃏⛓
Truss ⭐ 235
Assertions API for Clojure/Script
Check Types.js ⭐ 233
MOVED TO GITLAB
Codejam ⭐ 228
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
Typl ⭐ 227
The Type Linter for JS
K9 ⭐ 222
Rust testing library
Go Testdeep ⭐ 198
Extremely flexible golang deep comparison, extends the go testing package, tests HTTP APIs and provides tests suite
Checkmate ⭐ 191
Fast and versatile argument checks
Redux Actions Assertions ⭐ 181
Simplify testing of redux action and async action creators
Expekt ⭐ 155
BDD assertion library for Kotlin
Property Validator ⭐ 149
✅ 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
Expect More ⭐ 135
Curried Type Testing library, and Test Matchers for Jest
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
Catch Exception ⭐ 131
Chai Webdriver ⭐ 127
Build more expressive integration tests with webdriver sugar for chai.js
Scott ⭐ 126
Never debug a test again: Detailed failure reports and hassle free assertions for Java tests - Power Asserts for Java
Verify ⭐ 124
BDD Assertions for PHPUnit and Codeception
Scrivener ⭐ 120
Validation frontend for models.
Grappa ⭐ 118
Behavior-oriented, expressive, human-friendly Python assertion library for the 21st century
Pytruth ⭐ 116
Assertion framework for Python unit tests
Jest Websocket Mock ⭐ 98
Mock websockets and assert complex websocket interactions with Jest
Approx ⭐ 98
Approximate floating point equality comparisons and assertions
Babel Jest Assertions ⭐ 92
Babel Plugin that adds safety to your tests by verifying assertions are actually ran 🃏⁉️
Superdeno ⭐ 85
Super-agent driven library for testing Deno HTTP servers.
Assert ⭐ 78
A set of advanced assertions for Pester to simplify how you write tests.
Aws Testing Library ⭐ 76
Chai (https://chaijs.com) and Jest (https://jestjs.io/) assertions for testing services built with aws
Sarcastic ⭐ 72
Cast unknown values to typed values
Fluentcheck ⭐ 72
Fluent assertions for Python
Jest Expect Contain Deep ⭐ 68
Assert deeply nested values in Jest
Jsonassert ⭐ 68
A Go test assertion library for verifying that two representations of JSON are semantically equal
Lazy Ass ⭐ 67
Lazy node assertions without performance penalty
Assert ⭐ 65
A collection of convenient assertions for Swift testing
Assert.sh ⭐ 64
❗️ Assertion lib for shell script users
Util ⭐ 61
The util project, packed with common goodies.
Erdos.assert ⭐ 60
power assert macro for clojure
Snowhouse ⭐ 60
An assertion library for C++
Probably ⭐ 58
To probe what we can't prove, so the unprovable may become probable
Light.guardclauses ⭐ 57
A lightweight .NET library for expressive Guard Clauses.
Laravel Testing Tools ⭐ 53
Laravel-specific Testing Helpers and Assertions.
Iutest ⭐ 53
c++ testing framework
Tau ⭐ 53
A Micro (1k lines of code) Unit Test Framework for C/C++
Chainingassertion ⭐ 49
Method Chaining base UnitTesting Extension Methods and Dynamic Private Accessor for MSTest, NUnit, xUnit.net.
Concise ⭐ 48
✅ Concise is test framework for using plain English and minimal code, built on PHPUnit.
Defn Spec ⭐ 46
Add function args and return Spec checking via assertions
Superoak ⭐ 44
HTTP assertions for Oak made easy via SuperDeno. 🐿 🦕
Tester ⭐ 42
Lightweight test utilities to use with Go's testing package
Assertj Vavr ⭐ 41
Assertions for Vavr - http://www.vavr.io/
Should Enzyme ⭐ 40
Useful functions for testing React Components with Enzyme.
Hamcrest Optional ⭐ 38
Matchers for JDK 8 Optional
Crystal Clear ⭐ 37
Design by Contract for Crystal
Psl_with_ghdl ⭐ 37
Examples of using PSL for functional and formal verification of VHDL with GHDL (and SymbiYosys)
N4s ⭐ 36
Validation assertions library
Rust Claim ⭐ 35
Assertion macros toolkit for Rust
Referee ⭐ 31
Test-framework agnostic assertion and expectation library
Laravel Mail Assertions ⭐ 31
PHPUnit mail assertions for testing email in Laravel
Tapered Js ⭐ 31
Easy Inline Test Creation in Comments
Karma Chai Plugins ⭐ 31
Chai browser plugins set for Karma
45 ⭐ 29
A Functional, monadic test-runner
Assert Match ⭐ 29
assert + matchers <3
Performance Tests ⭐ 29
Sample Performance Testing setup for HTTP REST, SOAP APIs, JUnit4, JUnit5 tests - Generating Load and Stress On a Target Application
Galvanic Assert ⭐ 29
A comprehensive set of matcher-based assertions for easier testing of Rust code
Jasmine2 Custom Message ⭐ 28
custom failure message on any jasmine v2 assertion
Pretty Diffs ⭐ 28
Enable fancy colored diffs in your minitest assertions
Phpsemver ⭐ 27
Check if your changes are a major change, minor change or just a patch.
Clj Fakes ⭐ 27
An isolation framework for Clojure/ClojureScript.
1-100 of 514 projects

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Artificial Intelligence 📦 72
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Cloud Computing 📦 79
Code Quality 📦 28
Collaboration 📦 30
Command Line Interface 📦 48
Community 📦 81
Companies 📦 60
Compilers 📦 60
Computer Science 📦 74
Configuration Management 📦 39
Content Management 📦 167
Control Flow 📦 197
Data Formats 📦 77
Data Processing 📦 266
Data Storage 📦 132
Economics 📦 60
Frameworks 📦 198
Games 📦 122
Graphics 📦 103
Hardware 📦 148
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Networking 📦 304
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Operations 📦 120
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Security 📦 375
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Software Development 📦 68
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Text Processing 📦 131
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User Interface Components 📦 465
Version Control 📦 29
Virtualization 📦 68
Web Browsers 📦 38
Web Servers 📦 25
Web User Interface 📦 194
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