import datetime

import pytest
import pytz

import symuid

# pylint: disable=protected-access


@pytest.mark.parametrize(('ts_sec', 'expected_dt'), [
    (1528795204,
     datetime.datetime(2018, 6, 12, 9, 20, 4, tzinfo=datetime.timezone.utc)),
])
def test__timestamp_to_utc_dt(ts_sec, expected_dt):
    assert expected_dt == symuid._timestamp_to_utc_dt(ts_sec)


def test__utc_dt_now():
    dt_now = symuid._utc_dt_now()
    pytz_dt = datetime.datetime.now(pytz.timezone('UTC'))
    assert abs((dt_now - pytz_dt).total_seconds()) < 5