Bun Testing Skill

Quick Reference

• Framework: bun:test
• File pattern: *.test.ts inside __tests__ directories
• Module mocking: Use ModuleMocker from @/__tests__ (see patterns)
• Coverage target: 60–80% (focus on important logic, not 100%)
• Config: .env.test for test environment variables

Test Utilities (src/tests/)

Before writing custom test helpers, check existing utilities:

• createTestApp(basePath, route, middleware[]) - Creates test Hono app with error handler, logger, and optional middleware
• ModuleMocker(import.meta.url) - Module mocking utility (see mocking patterns)
• post(app, url, body, headers) - POST request helper
• get(app, url, headers) - GET request helper
• doRequest(app, url, method, body, headers) - Generic request helper