5 Unit Testing Tools You Must Know in 2025

JUNIT 5- JUnit is one of the most widely used frameworks for Java-based unit testing.

JEST-  Jest is a zero-config testing framework developed by Facebook, commonly used for React applications.

PYTEST- PyTest is one of the most robust testing frameworks for Python, offering flexibility and ease of use.

MOCHA- Mocha is a flexible and feature-rich testing framework for JavaScript.

TestNG- TestNG is inspired by JUnit but adds more powerful features like annotations.