sinonjs/sinon

☕️ Classic, reliable, trusted test framework for Node.js and the browser

Simple JavaScript testing framework for browsers and node.js

Delightful JavaScript Testing.

The industry standard for API mocking in JavaScript.

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

Most popular Mocking framework for unit tests written in Java

Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).

HTTP server mocking and expectations library for Node.js