"""Unit testcases for date utils."""
from datetime import datetime

from json_contract_file_import.helpers.date_utils import get_date_from_string


def test_get_date_from_string():
    """Test get date from string."""
    assert get_date_from_string('2020-01-01') == datetime(2020, 1, 1)
    assert get_date_from_string('') is None
    assert get_date_from_string(None) is None
    assert get_date_from_string('invalid-date') is None