actharness

Unit testing for GitHub Actions — run tests from the VS Code Test Explorer.

This extension integrates actharness with the VS Code Test Explorer, letting you discover, run, and debug GitHub Actions unit tests without leaving your editor.

Features

Discover *.actharness.ts and *.test.ts test files automatically
Run individual tests or entire suites from the Test Explorer
See pass/fail inline in the editor gutter
Re-run tests on file save via the built-in watch mode

Requirements

Node.js ≥ 22
actharness installed in your project (npm install --save-dev actharness)

Configuration

Setting	Default	Description
`actharness.nodeExecutable`	`node`	Path to the Node.js executable. Useful when using `mise` or `nvm`.

Getting started

npm install --save-dev actharness
npx actharness init action.yml   # scaffold action.test.ts

Then open the Test Explorer panel and click Run All.

License

MIT