"""Tests for page range parsing utilities."""
import pytest
from ra_mcp_browse.utils import parse_page_range
def test_parse_page_range_single():
assert parse_page_range("5") == [5]
def test_parse_page_range_range():
assert parse_page_range("1-3") == [1, 2, 3]
def test_parse_page_range_combo():
assert parse_page_range("1-3,5,7-9") == [1, 2, 3, 5, 7, 8, 9]
def test_parse_page_range_none_default():
result = parse_page_range(None, total_pages=25)
assert result == list(range(1, 21))
def test_parse_page_range_none_small_total():
result = parse_page_range(None, total_pages=5)
assert result == [1, 2, 3, 4, 5]
def test_parse_page_range_capped():
result = parse_page_range("1-100", total_pages=10)
assert result == list(range(1, 11))
def test_parse_page_range_dedup():
assert parse_page_range("1,1,2") == [1, 2]
def test_parse_page_range_sorted():
assert parse_page_range("5,1,3") == [1, 3, 5]
def test_parse_page_range_invalid_raises():
with pytest.raises(ValueError, match="Invalid page specification"):
parse_page_range("abc")
def test_parse_page_range_empty_string_default():
result = parse_page_range("", total_pages=5)
assert result == [1, 2, 3, 4, 5]
def test_parse_page_range_out_of_range_ignored():
"""Pages beyond total_pages are silently dropped."""
result = parse_page_range("5,50", total_pages=10)
assert result == [5]
@pytest.mark.parametrize(
"page_range,total,expected",
[
pytest.param("1", 100, [1], id="single-page"),
pytest.param("1-3", 100, [1, 2, 3], id="simple-range"),
pytest.param("1,3,5", 100, [1, 3, 5], id="comma-list"),
pytest.param("1-2,4-5", 100, [1, 2, 4, 5], id="multi-range"),
],
)
def test_parse_page_range_parametrized(page_range, total, expected):
assert parse_page_range(page_range, total) == expected
