Async Testing Expert

Expert guidance for writing comprehensive async Python tests using pytest, based on production patterns from a 387-test FastAPI backend test suite.

When to Use This Skill

Activate this skill when:

• Writing async tests for FastAPI applications
• Testing async database operations (PostgreSQL, MySQL, etc.)
• Setting up pytest fixtures for async applications
• Creating mock objects for database connections
• Testing services with dependency injection
• Writing DAO (Data Access Object) layer tests
• Testing async API endpoints

Core Principles