Add 64 new tests covering date utilities, price data management, and
on-demand download workflows with 100% coverage for date_utils and 85%
coverage for price_data_manager.
New test files:
- tests/unit/test_date_utils.py (22 tests)
* Date range expansion and validation
* Max simulation days configuration
* Chronological ordering and boundary checks
* 100% coverage of api/date_utils.py
- tests/unit/test_price_data_manager.py (33 tests)
* Initialization and configuration
* Symbol date retrieval and coverage detection
* Priority-based download ordering
* Rate limit and error handling
* Data storage and coverage tracking
* 85% coverage of api/price_data_manager.py
- tests/integration/test_on_demand_downloads.py (10 tests)
* End-to-end download workflows
* Rate limit handling with graceful degradation
* Coverage tracking and gap detection
* Data validation and filtering
Code improvements:
- Add DownloadError exception class for non-rate-limit failures
- Update all ValueError raises to DownloadError for consistency
- Add API key validation at download start
- Improve response validation to check for Meta Data
Test coverage:
- 64 tests passing (54 unit + 10 integration)
- api/date_utils.py: 100% coverage
- api/price_data_manager.py: 85% coverage
- Validates priority-first download strategy
- Confirms graceful rate limit handling
- Verifies database storage and retrieval
Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Phase 1 of v0.3.0 date range and on-demand download implementation.
Database changes:
- Add price_data table (OHLCV data, replaces merged.jsonl)
- Add price_data_coverage table (track downloaded date ranges)
- Add simulation_runs table (soft delete support)
- Add simulation_run_id to positions table
- Add comprehensive indexes for new tables
New modules:
- api/price_data_manager.py - Priority-based download manager
- Coverage gap detection
- Smart download prioritization (maximize date completion)
- Rate limit handling with retry logic
- Alpha Vantage integration
Configuration:
- configs/nasdaq100_symbols.json - NASDAQ 100 constituent list
Next steps (not yet implemented):
- Migration script for merged.jsonl -> price_data
- Update API models (start_date/end_date)
- Update tools/price_tools.py to read from database
- Simulation run tracking implementation
- API integration
- Tests and documentation
This is work in progress for the v0.3.0 release.
