# avajs/ava

Node.js test runner that lets you develop with confidence 🚀

Repository: https://github.com/avajs/ava
Canonical: https://ross.abutalabs.com/products/ava
Language: JavaScript
License: MIT
License Family: permissive
Topics: test-runner, ava, javascript, concurrency, async-functions, tap, assert, nodejs, cli, async, performance, unicorns, unit-testing, cli-app, node, tdd, testing, test-framework
Last push: 2026-06-17T10:19:10+00:00

## Health v2 (maintenance only)
Score: 85/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 88, release rhythm 72, longevity 100
- inputs: {"age_days": 4306, "days_push": 77, "days_rel": 108, "gap_med": 47.0, "n_releases_24m": 7}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 20830, forks 1458 (observed 2026-08-28T04:11:30.439275+00:00)

## What it is
AVA is a minimalist test runner for Node.js with a concise API, detailed error output, and concurrent test execution in isolated worker threads. It supports async/await, promises, observables, TypeScript, and includes a watch mode and TAP reporter.

## Use cases
- run unit tests for a node.js project
- run tests concurrently for faster feedback
- write async tests with promises and async functions
- watch files and rerun tests on change
- get detailed assertion failure output
- run tests in parallel in CI
- test typescript code without extra config

## When to choose
- you want a fast, minimal test runner for Node.js with concurrent execution
- you prefer atomic tests with no implicit globals
- you need built-in TypeScript support and enhanced assertion messages
- you want watch mode and TAP output out of the box

## When to avoid
- you need browser or DOM testing
- your team relies on a plugin-heavy ecosystem like Jest or Mocha
- you need snapshot testing or mocking beyond what AVA provides natively
- you test non-Node.js runtimes

## Facets
- artifact type: cli-tool
- maturity: active
- function: testing, cli
- domain: testing, developer-tools
- platform: cli, cross-platform
- tags: test-runner, unit-testing, tdd, concurrent-tests, async, tap, javascript, nodejs

## Member repositories
- avajs/ava (main) score 85

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:30.439275+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T16:58:32.534410+00:00, confidence not recorded.
  - readme: https://github.com/avajs/ava (fetched 2026-08-28T04:11:30.439275+00:00, sha 0bca2fb30dbd)
- Data as of 2026-08-30T08:39:29.467469+00:00.