core/tests/patch_time.py

39 lines
1.2 KiB
Python

"""Patch time related functions."""
from __future__ import annotations
import datetime
import time
# Do not add any Home Assistant import here
def _utcnow() -> datetime.datetime:
"""Make utcnow patchable by freezegun."""
return datetime.datetime.now(datetime.UTC)
def _monotonic() -> float:
"""Make monotonic patchable by freezegun."""
return time.monotonic()
# Before importing any other Home Assistant functionality, import and replace
# partial dt_util.utcnow with a regular function which can be found by freezegun
from homeassistant import util # noqa: E402
from homeassistant.util import dt as dt_util # noqa: E402
dt_util.utcnow = _utcnow # type: ignore[assignment]
util.utcnow = _utcnow # type: ignore[assignment]
# Import other Home Assistant functionality which we need to patch
from homeassistant import runner # noqa: E402
from homeassistant.helpers import event as event_helper # noqa: E402
# Replace partial functions which are not found by freezegun
event_helper.time_tracker_utcnow = _utcnow # type: ignore[assignment]
# Replace bound methods which are not found by freezegun
runner.monotonic = _monotonic # type: ignore[assignment]