Mocha vs. Jest: comparison of two testing tools for Node.js

Application testing is an inseparable part of product development, every developer knows that. Applying Test-Driven Development (TDD) approach supports maintaining a clean, modular, and well-prepared codebase, which tends to deliver high-quality software. JavaScript could be tested using many libraries, although two of the most popular testing tools Node.js developers use to work with are Mocha and Jest. What are the most significant differences between them, and which one should you choose? This article covers the most common use cases for unit testing, reviews, and reveals both tools’ major pros and cons.

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