kaffa
6bcfee519c
refactor: Improve code quality, error handling, and test coverage
- Add file_lock context manager to eliminate duplicate locking patterns
- Add ValidationError, ConfigurationError, CertificateError exceptions
- Improve rollback logic in haproxy_add_servers (track successful ops only)
- Decompose haproxy_add_domain into smaller helper functions
- Consolidate certificate constants (CERTS_DIR, ACME_HOME) to config.py
- Enhance docstrings for internal functions and magic numbers
- Add pytest framework with 48 new tests (269 -> 317 total)
- Increase test coverage from 76% to 86%
- servers.py: 58% -> 82%
- certificates.py: 67% -> 86%
- configuration.py: 69% -> 94%
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>