from benchmark.metrics.ranges import (
intersection_length,
normalize_line_ranges,
)
class TestNormalizeLineRanges:
def test_empty(self) -> None:
assert normalize_line_ranges([]) == []
def test_valid_tuples(self) -> None:
result = normalize_line_ranges([(1, 5), (3, 8)])
assert result == [(1, 8)]
def test_filters_invalid_types(self) -> None:
result = normalize_line_ranges(
[
(1, 5),
("a", "b"), # type: ignore[list-item]
]
)
assert result == [(1, 5)]
def test_filters_invalid_start(self) -> None:
result = normalize_line_ranges(
[
(1, 5),
(0, 3), # start must be > 0
]
)
assert result == [(1, 5)]
def test_filters_invalid_order(self) -> None:
result = normalize_line_ranges(
[
(1, 5),
(5, 3), # end < start
]
)
assert result == [(1, 5)]
def test_list_format_works(self) -> None:
result = normalize_line_ranges([[10, 15]]) # type: ignore[list-item]
assert result == [(10, 15)]
class TestIntersectionLength:
def test_no_overlap(self) -> None:
assert intersection_length([(1, 5)], [(10, 15)]) == 0
def test_full_overlap(self) -> None:
assert intersection_length([(1, 10)], [(1, 10)]) == 10
def test_partial_overlap(self) -> None:
assert intersection_length([(1, 10)], [(5, 15)]) == 6
def test_multiple_ranges(self) -> None:
a = [(1, 5), (10, 15)]
b = [(3, 12)]
# (3,5) = 3 lines, (10,12) = 3 lines
assert intersection_length(a, b) == 6
def test_empty_lists(self) -> None:
assert intersection_length([], [(1, 10)]) == 0
assert intersection_length([(1, 10)], []) == 0
