# Unit Tests

This directory contains unit tests for the application. Unit tests should:
- Test individual functions and methods in isolation
- Mock external dependencies
- Be fast and reliable
- Cover edge cases and error conditions

## Structure
- `controllers/` - Tests for controller functions
- `services/` - Tests for service layer functions
- `utils/` - Tests for utility functions
- `models/` - Tests for database models

## Running Tests
```bash
npm run test:unit
```