from redbot import core
from redbot.core import VersionInfo


def test_version_working():
    assert hasattr(core, "__version__")
    assert core.__version__[0] == "3"


# When adding more of these, ensure they are added in ascending order of precedence
version_tests = (
    "3.0.0a32.post10.dev12",
    "3.0.0rc1.dev1",
    "3.0.0rc1",
    "3.0.0",
    "3.0.1",
    "3.0.1.post1.dev1",
    "3.0.1.post1",
    "2018.10.6b21",
)


def test_version_info_str_parsing():
    for version_str in version_tests:
        assert version_str == str(VersionInfo.from_str(version_str))


def test_version_info_lt():
    for next_idx, cur in enumerate(version_tests[:-1], start=1):
        cur_test = VersionInfo.from_str(cur)
        next_test = VersionInfo.from_str(version_tests[next_idx])
        assert cur_test < next_test


def test_version_info_gt():
    assert VersionInfo.from_str(version_tests[1]) > VersionInfo.from_str(version_tests[0])