Import util.dt as dt_util in remaining tests, enforce with ruff

pyproject.toml

@@ -284,6 +284,7 @@ voluptuous = "vol"
 "homeassistant.helpers.device_registry" = "dr"
 "homeassistant.helpers.entity_registry" = "er"
 "homeassistant.helpers.issue_registry" = "ir"
+"homeassistant.util.dt" = "dt_util"
 
 [tool.ruff.flake8-pytest-style]
 fixture-parentheses = false

tests/common.py

@@ -68,7 +68,7 @@
 from homeassistant.helpers.typing import ConfigType, StateType
 from homeassistant.setup import setup_component
 from homeassistant.util.async_ import run_callback_threadsafe
-import homeassistant.util.dt as date_util
+import homeassistant.util.dt as dt_util
 from homeassistant.util.json import (
     JsonArrayType,
     JsonObjectType,
@@ -357,7 +357,7 @@ def async_fire_time_changed_exact(
     if datetime_ is None:
         utc_datetime = datetime.now(timezone.utc)
     else:
-        utc_datetime = date_util.as_utc(datetime_)
+        utc_datetime = dt_util.as_utc(datetime_)
 
     _async_fire_time_changed(hass, utc_datetime, fire_all)
 
@@ -379,7 +379,7 @@ def async_fire_time_changed(
     if datetime_ is None:
         utc_datetime = datetime.now(timezone.utc)
     else:
-        utc_datetime = date_util.as_utc(datetime_)
+        utc_datetime = dt_util.as_utc(datetime_)
 
     if utc_datetime.microsecond < 500000:
         # Allow up to 500000 microseconds to be added to the time
@@ -395,7 +395,7 @@ def async_fire_time_changed(
 def _async_fire_time_changed(
     hass: HomeAssistant, utc_datetime: datetime | None, fire_all: bool
 ) -> None:
-    timestamp = date_util.utc_to_timestamp(utc_datetime)
+    timestamp = dt_util.utc_to_timestamp(utc_datetime)
     for task in list(hass.loop._scheduled):
         if not isinstance(task, asyncio.TimerHandle):
             continue
@@ -1012,7 +1012,7 @@ def mock_restore_cache(hass: HomeAssistant, states: Sequence[State]) -> None:
     """Mock the DATA_RESTORE_CACHE."""
     key = restore_state.DATA_RESTORE_STATE_TASK
     data = restore_state.RestoreStateData(hass)
-    now = date_util.utcnow()
+    now = dt_util.utcnow()
 
     last_states = {}
     for state in states:
@@ -1039,7 +1039,7 @@ def mock_restore_cache_with_extra_data(
     """Mock the DATA_RESTORE_CACHE."""
     key = restore_state.DATA_RESTORE_STATE_TASK
     data = restore_state.RestoreStateData(hass)
-    now = date_util.utcnow()
+    now = dt_util.utcnow()
 
     last_states = {}
     for state, extra_data in states:

tests/components/pvpc_hourly_pricing/test_config_flow.py

@@ -14,13 +14,14 @@
 from homeassistant.const import CONF_NAME
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
+from homeassistant.util import dt as dt_util
 
 from .conftest import check_valid_state
 
-from tests.common import async_fire_time_changed, date_util
+from tests.common import async_fire_time_changed
 from tests.test_util.aiohttp import AiohttpClientMocker
 
-_MOCK_TIME_VALID_RESPONSES = datetime(2023, 1, 6, 12, 0, tzinfo=date_util.UTC)
+_MOCK_TIME_VALID_RESPONSES = datetime(2023, 1, 6, 12, 0, tzinfo=dt_util.UTC)
 
 
 async def test_config_flow(

tests/helpers/test_storage.py

@@ -14,7 +14,7 @@
 )
 from homeassistant.core import CoreState, HomeAssistant
 from homeassistant.helpers import storage
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 from homeassistant.util.color import RGBColor
 
 from tests.common import async_fire_time_changed, async_test_home_assistant
@@ -113,7 +113,7 @@ async def test_saving_with_delay(
     store.async_delay_save(lambda: MOCK_DATA, 1)
     assert store.key not in hass_storage
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     await hass.async_block_till_done()
     assert hass_storage[store.key] == {
         "version": MOCK_VERSION,
@@ -135,7 +135,7 @@ async def test_saving_on_final_write(
     hass.state = CoreState.stopping
     await hass.async_block_till_done()
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=10))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=10))
     await hass.async_block_till_done()
     assert store.key not in hass_storage
 
@@ -159,7 +159,7 @@ async def test_not_delayed_saving_while_stopping(
     hass.state = CoreState.stopping
 
     store.async_delay_save(lambda: MOCK_DATA, 1)
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=2))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=2))
     await hass.async_block_till_done()
     assert store.key not in hass_storage
 
@@ -177,7 +177,7 @@ async def test_not_delayed_saving_after_stopping(
     await hass.async_block_till_done()
     assert store.key not in hass_storage
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=15))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=15))
     await hass.async_block_till_done()
     assert store.key not in hass_storage
 
@@ -230,7 +230,7 @@ async def test_writing_while_writing_delay(
         "data": {"delay": "no"},
     }
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     await hass.async_block_till_done()
     assert hass_storage[store.key] == {
         "version": MOCK_VERSION,
@@ -260,7 +260,7 @@ async def test_multiple_delay_save_calls(
         "data": {"delay": "no"},
     }
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     await hass.async_block_till_done()
     assert hass_storage[store.key] == {
         "version": MOCK_VERSION,
@@ -496,7 +496,7 @@ async def test_changing_delayed_written_data(
 
     loaded_data["hello"] = "earth"
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     await hass.async_block_till_done()
     assert hass_storage[store.key] == {
         "version": MOCK_VERSION,

tests/helpers/test_storage_remove.py

@@ -7,7 +7,7 @@
 import py
 
 from homeassistant.helpers import storage
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from tests.common import async_fire_time_changed, async_test_home_assistant
 
@@ -32,7 +32,7 @@ async def test_removing_while_delay_in_progress(tmpdir: py.path.local) -> None:
         await real_store.async_remove()
         assert not await hass.async_add_executor_job(os.path.exists, real_store.path)
 
-        async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
         await hass.async_block_till_done()
         assert not await hass.async_add_executor_job(os.path.exists, real_store.path)
         await hass.async_stop()

tests/test_config_entries.py

@@ -31,7 +31,6 @@
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 from homeassistant.setup import async_set_domains_to_be_loaded, async_setup_component
-from homeassistant.util import dt
 import homeassistant.util.dt as dt_util
 
 from .common import (
@@ -650,7 +649,7 @@ async def async_step_user(self, user_input=None):
     )
 
     # To trigger the call_later
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     # To execute the save
     await hass.async_block_till_done()
 
@@ -1611,7 +1610,8 @@ async def test_reload_entry_entity_registry_works(
 
     async_fire_time_changed(
         hass,
-        dt.utcnow() + timedelta(seconds=config_entries.RELOAD_AFTER_UPDATE_DELAY + 1),
+        dt_util.utcnow()
+        + timedelta(seconds=config_entries.RELOAD_AFTER_UPDATE_DELAY + 1),
     )
     await hass.async_block_till_done()
 
@@ -3303,7 +3303,7 @@ async def test_setup_retrying_during_shutdown(hass: HomeAssistant) -> None:
 
     assert len(mock_call.return_value.mock_calls) == 0
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(hours=4))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=4))
     await hass.async_block_till_done()
 
     assert len(mock_call.return_value.mock_calls) == 0