Vitest

Blazing Fast Unit Test Framework

A Vite-native unit test framework. It's fast!

Vite Powered

Reuse Vite's config, transformers, resolvers, and plugins - consistent across your app and tests.

Jest Compatible

Expect, snapshot, coverage, and more - migrating from Jest is straightforward.

Smart & instant watch mode

Only rerun the related changes, just like HMR for tests!

ESM, TypeScript, JSX

Out-of-box ESM, TypeScript and JSX support powered by esbuild

Meet The Team

Anthony Fu

A fanatical open sourceror, working @ NuxtLabs

Core team member of Vite & Vue

Vladimir

An open source fullstack developer

Core team member of Vitest

Patak

A collaborative being, working @ StackBlitz

Core team member of Vite & Vue

Mohammad Bagher

An open source developer

Team member of Poimandres & Vike

Ivan Demchuk

A tech lead, fullstack developer

Author of fluent-vue

Joaquín Sánchez

A fullstack and android developer

Vite's fanatical follower

Zixuan Chen

A fullstack developer

Creating tools for collaboration

Contributors

Join the community and get involved!

Sponsored by

Anthony's Sponsors

Anthony Fu's sponsors

Patak's Sponsors

Patak's sponsors