SurfSense/surfsense_backend/tests/unit/utils/test_text_spans.py
2026-06-19 14:53:49 +02:00

39 lines
1 KiB
Python

"""Unit tests for char-span -> line-range conversion."""
from __future__ import annotations
import pytest
from app.utils.text_spans import char_span_to_line_range
pytestmark = pytest.mark.unit
_TEXT = "line1\nline2\nline3"
def test_single_line_span() -> None:
start = _TEXT.index("line2")
assert char_span_to_line_range(_TEXT, start, start + len("line2")) == (2, 2)
def test_first_line_span() -> None:
assert char_span_to_line_range(_TEXT, 0, len("line1")) == (1, 1)
def test_last_line_span() -> None:
start = _TEXT.index("line3")
assert char_span_to_line_range(_TEXT, start, len(_TEXT)) == (3, 3)
def test_multi_line_span() -> None:
# "line1\nline2" spans lines 1-2.
assert char_span_to_line_range(_TEXT, 0, _TEXT.index("line2") + 5) == (1, 2)
def test_empty_span_resolves_to_its_line() -> None:
start = _TEXT.index("line2")
assert char_span_to_line_range(_TEXT, start, start) == (2, 2)
def test_offsets_clamped_to_text_bounds() -> None:
assert char_span_to_line_range(_TEXT, -5, 10_000) == (1, 3)