- Created test suite for zone-based water level alerts (9 test cases)
- Created test suite for rate-of-change alerts (5 test cases)
- Created combined alert scenario test
- Fixed rate-of-change detection to use station_code instead of station_id
- All 3 test suites passing (14 total test cases)
Test coverage:
- Zone alerts: P.1 zones 1-8 with INFO/WARNING/CRITICAL/EMERGENCY levels
- Rate-of-change: 0.15/0.25/0.40 m/h thresholds for WARNING/CRITICAL/EMERGENCY
- Combined: Simultaneous zone and rate-of-change alert triggering
Co-Authored-By: Claude <noreply@anthropic.com>