Test coverage for KEPUBCFIConverter with programmatically generated
EPUB and KEPUB zip fixtures:
- KEPUB->Standard text search conversion (exact precision)
- Standard->KEPUB text search conversion with round-trip verification
- Multi-position round-trip (3 phrases across different paragraphs)
- Cross-chapter conversion (spine index 1)
- No-context-text conversion (extracts surrounding text from resolved node)
- Invalid CFI handling (falls back to percentage)
- Percentage fallback for unresolvable CFIs
- 5-paragraph round-trip covering different document positions
- CFI structural difference verification (koboSpan adds DOM steps)
- Spine index consistency between EPUB and KEPUB
- Real book conversion test (skips if file not present)
- extractSurroundingText unit tests
john-okeefe
3c2a504747