There are 2 repositories under assertion-library topic.
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
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.
Assertive programming for R analysis pipelines
A pytest plugin that allows multiple failures per test.
Power Assert in Elixir. Shows evaluation results each expression.
A Go test assertion library for verifying that two representations of JSON are semantically equal
Fluent assertion-style functions used by goconvey and gunit. Can also be used in any test or application.
Fluent assertions for Python
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
Delayed aka. Soft assert for python
Library for simplifying data verification in functional tests for your JSON-based APIs
Simple, light-weight assertions framework for javascript
A BDD-style assertion library for Dart.
Utility library that helps expressing invariants in types
A simple and elegant assertion library for input validation.
Automated the Testing using Puppeteer, Mocha, chai. For example we can use linkidin account and few functionality to automated the testing
Osmon is a modern assertion library for Kotlin