import pytest
from redmine_reporter.cli import parse_date_range


def test_parse_date_range_valid():
    assert parse_date_range("2025-01-01--2025-12-31") == ("2025-01-01", "2025-12-31")


def test_parse_date_range_with_spaces():
    assert parse_date_range("2025-01-01 -- 2025-12-31") == ("2025-01-01", "2025-12-31")


def test_parse_date_range_invalid_no_separator():
    with pytest.raises(ValueError, match="must be in format"):
        parse_date_range("2025-01-01")


def test_parse_date_range_invalid_parts():
    with pytest.raises(ValueError, match="Invalid date range format"):
        parse_date_range("2025-01-01--")