CLIActive

Bun Test Runner

Fast built-in Jest-compatible test runner with TypeScript support, lifecycle hooks, mocking, and watch mode.

Open source page ↗

Field note

What it does

Bun's test runner ships with the Bun runtime, supports TypeScript/JSX, snapshot testing, DOM testing, and aims for Jest compatibility.

Capabilities

Available capabilities

Watch mode for incremental rebuilds Jest-compatible API Concurrent test execution Snapshot testing UI and DOM testing TypeScript Support

Tags

Tags

Jest Compatible Testing TypeScript

Ways to use it

Ways to use it

cli

JavaScript / bun

sdk

TypeScript / bun:test

Product features

Product features

API #

Assets #

At a Glance #

Basic example #

Bundle entirely from memory #

Bundler

Content types #

entrypoints #

files #

Plugins #

Watch mode #

Why bundle? #