# Testing Test your CQRS application effectively. ## Best Practices ### ✅ DO - Unit test handlers - Integration test endpoints - Test event replay - Test projections - Test failure scenarios ### ❌ DON'T - Don't skip unit tests - Don't test only happy path - Don't skip integration tests - Don't forget edge cases ## See Also - [Best Practices Overview](README.md) - [Testing Strategy](../tutorials/modular-solution/06-testing-strategy.md)