"""HomeKit controller session fixtures.""" import datetime from unittest import mock from aiohomekit.testing import FakeController import asynctest import pytest @pytest.fixture def utcnow(request): """Freeze time at a known point.""" start_dt = datetime.datetime(2019, 1, 1, 0, 0, 0) with mock.patch("homeassistant.util.dt.utcnow") as dt_utcnow: dt_utcnow.return_value = start_dt yield dt_utcnow @pytest.fixture def controller(hass): """Replace aiohomekit.Controller with an instance of aiohomekit.testing.FakeController.""" instance = FakeController() with asynctest.patch("aiohomekit.Controller", return_value=instance): yield instance