"""Tests for smart boundary expansion edge cases."""
from chunkhound.services.deep_research_service import DeepResearchService
def _service() -> DeepResearchService:
return DeepResearchService.__new__(DeepResearchService)
def test_boundary_expansion_skips_invalid_start() -> None:
service = _service()
lines = ["line"] * 5
start, end = service._expand_to_natural_boundaries(
lines=lines,
start_line=10,
end_line=12,
chunk={},
file_path="sample.py",
)
assert (start, end) == (0, 0)
def test_boundary_expansion_skips_invalid_end() -> None:
service = _service()
lines = ["line"] * 5
start, end = service._expand_to_natural_boundaries(
lines=lines,
start_line=1,
end_line=0,
chunk={},
file_path="sample.py",
)
assert (start, end) == (0, 0)
def test_boundary_expansion_skips_reversed_range() -> None:
service = _service()
lines = ["line"] * 5
start, end = service._expand_to_natural_boundaries(
lines=lines,
start_line=4,
end_line=2,
chunk={},
file_path="sample.py",
)
assert (start, end) == (0, 0)
