"""Date utility tests."""

import pytest

from utils import date as date_utils


@pytest.mark.parametrize('date_value, expected', [
    ('2019-05-14', False), ('ABCD-05-14', False), ('2018-05-14T00:00:00Z', True), (None, False)
])
def test_is_expected_datetime_format(date_value, expected):
    """Test for valid UTC date format."""
    assert expected == date_utils.is_expected_datetime_format(date_value)