Vitest is a blazing fast unit test framework powered by Vite. Designed for speed and simplicity, Vitest aims to provide an experience similar to Vite, making testing as enjoyable as developing. It supports familiar testing paradigms and syntax, integrates seamlessly with your existing Vite projects, and offers features like mocking, code coverage, and snapshot testing. Vitest focuses on developer experience, aiming to reduce test setup complexity and accelerate your testing workflow.