# bun test > Run tests using Bun's built-in test runner. > It is a fast, Jest-compatible test runner that looks for `*.test.ts` (and similar) files. > More information: . - Run all test files found in the project: `bun test` - Run a specific test file or directory: `bun test {{path/to/file.test.ts}}` - Run tests in "watch" mode (re-runs automatically on file changes): `bun test --watch` - Run tests and generate a code coverage report: `bun test --coverage`