Files
AI-Trader/tests/unit
Bill c3ea358a12 test: add comprehensive test suite for v0.3.0 on-demand price downloads
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>
2025-10-31 17:13:03 -04:00
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