"""Tests for the Honeywell Lyric sensor platform."""

from datetime import datetime

from homeassistant.components.lyric.sensor import get_datetime_from_future_time


def test_get_datetime_from_future_time_none() -> None:
    """Test that None input returns None instead of raising."""
    assert get_datetime_from_future_time(None) is None


def test_get_datetime_from_future_time_invalid() -> None:
    """Test that an unparsable time string returns None."""
    assert get_datetime_from_future_time("not_a_time") is None


def test_get_datetime_from_future_time_valid() -> None:
    """Test that a valid time string returns a datetime."""
    result = get_datetime_from_future_time("13:30:00")
    assert isinstance(result, datetime)