import sys
from pathlib import Path

sys.path.append(str(Path(__file__).resolve().parents[1]))

from check_updates import compare_versions


def test_compare_versions_newer():
    assert compare_versions("1.2.3", "1.2.4") == 1


def test_compare_versions_equal():
    assert compare_versions("2.0.0", "2.0.0") == 0


def test_compare_versions_older():
    assert compare_versions("2.1.0", "2.0.9") == -1


def test_compare_versions_unparseable():
    assert compare_versions("1.2", "1.2.3") is None


def test_compare_versions_prerelease():
    assert compare_versions("1.2.3-alpha.1", "1.2.3") == 1
    assert compare_versions("1.2.3", "1.2.3-alpha.1") == -1