From bc6a41fb9465523998b2e152dd7f3d4275f2cc9d Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 17 Jul 2023 21:42:48 -1000
Subject: [PATCH] Remove deprecated state.get_changed_since (#96579)

---
 homeassistant/helpers/state.py | 50 +--------------------------------
 tests/helpers/test_state.py    | 51 +---------------------------------
 2 files changed, 2 insertions(+), 99 deletions(-)

diff --git a/homeassistant/helpers/state.py b/homeassistant/helpers/state.py
index 21d060f4ba7..dae63b4ead1 100644
--- a/homeassistant/helpers/state.py
+++ b/homeassistant/helpers/state.py
@@ -4,9 +4,8 @@ from __future__ import annotations
 import asyncio
 from collections import defaultdict
 from collections.abc import Iterable
-import datetime as dt
 import logging
-from types import ModuleType, TracebackType
+from types import ModuleType
 from typing import Any
 
 from homeassistant.components.sun import STATE_ABOVE_HORIZON, STATE_BELOW_HORIZON
@@ -23,57 +22,10 @@ from homeassistant.const import (
 )
 from homeassistant.core import Context, HomeAssistant, State
 from homeassistant.loader import IntegrationNotFound, async_get_integration, bind_hass
-import homeassistant.util.dt as dt_util
-
-from .frame import report
 
 _LOGGER = logging.getLogger(__name__)
 
 
-class AsyncTrackStates:
-    """Record the time when the with-block is entered.
-
-    Add all states that have changed since the start time to the return list
-    when with-block is exited.
-
-    Must be run within the event loop.
-
-    Deprecated. Remove after June 2021.
-    Warning added via `get_changed_since`.
-    """
-
-    def __init__(self, hass: HomeAssistant) -> None:
-        """Initialize a TrackStates block."""
-        self.hass = hass
-        self.states: list[State] = []
-
-    # pylint: disable=attribute-defined-outside-init
-    def __enter__(self) -> list[State]:
-        """Record time from which to track changes."""
-        self.now = dt_util.utcnow()
-        return self.states
-
-    def __exit__(
-        self,
-        exc_type: type[BaseException] | None,
-        exc_value: BaseException | None,
-        traceback: TracebackType | None,
-    ) -> None:
-        """Add changes states to changes list."""
-        self.states.extend(get_changed_since(self.hass.states.async_all(), self.now))
-
-
-def get_changed_since(
-    states: Iterable[State], utc_point_in_time: dt.datetime
-) -> list[State]:
-    """Return list of states that have been changed since utc_point_in_time.
-
-    Deprecated. Remove after June 2021.
-    """
-    report("uses deprecated `get_changed_since`")
-    return [state for state in states if state.last_updated >= utc_point_in_time]
-
-
 @bind_hass
 async def async_reproduce_state(
     hass: HomeAssistant,
diff --git a/tests/helpers/test_state.py b/tests/helpers/test_state.py
index 1919586daa3..255fba0e7e7 100644
--- a/tests/helpers/test_state.py
+++ b/tests/helpers/test_state.py
@@ -1,9 +1,7 @@
 """Test state helpers."""
 import asyncio
-from datetime import timedelta
-from unittest.mock import Mock, patch
+from unittest.mock import patch
 
-from freezegun import freeze_time
 import pytest
 
 from homeassistant.components.sun import STATE_ABOVE_HORIZON, STATE_BELOW_HORIZON
@@ -21,34 +19,10 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant, State
 from homeassistant.helpers import state
-from homeassistant.util import dt as dt_util
 
 from tests.common import async_mock_service
 
 
-async def test_async_track_states(
-    hass: HomeAssistant, mock_integration_frame: Mock
-) -> None:
-    """Test AsyncTrackStates context manager."""
-    point1 = dt_util.utcnow()
-    point2 = point1 + timedelta(seconds=5)
-    point3 = point2 + timedelta(seconds=5)
-
-    with freeze_time(point2) as freezer, state.AsyncTrackStates(hass) as states:
-        freezer.move_to(point1)
-        hass.states.async_set("light.test", "on")
-
-        freezer.move_to(point2)
-        hass.states.async_set("light.test2", "on")
-        state2 = hass.states.get("light.test2")
-
-        freezer.move_to(point3)
-        hass.states.async_set("light.test3", "on")
-        state3 = hass.states.get("light.test3")
-
-    assert [state2, state3] == sorted(states, key=lambda state: state.entity_id)
-
-
 async def test_call_to_component(hass: HomeAssistant) -> None:
     """Test calls to components state reproduction functions."""
     with patch(
@@ -82,29 +56,6 @@ async def test_call_to_component(hass: HomeAssistant) -> None:
             )
 
 
-async def test_get_changed_since(
-    hass: HomeAssistant, mock_integration_frame: Mock
-) -> None:
-    """Test get_changed_since."""
-    point1 = dt_util.utcnow()
-    point2 = point1 + timedelta(seconds=5)
-    point3 = point2 + timedelta(seconds=5)
-
-    with freeze_time(point1) as freezer:
-        hass.states.async_set("light.test", "on")
-        state1 = hass.states.get("light.test")
-
-        freezer.move_to(point2)
-        hass.states.async_set("light.test2", "on")
-        state2 = hass.states.get("light.test2")
-
-        freezer.move_to(point3)
-        hass.states.async_set("light.test3", "on")
-        state3 = hass.states.get("light.test3")
-
-    assert [state2, state3] == state.get_changed_since([state1, state2, state3], point2)
-
-
 async def test_reproduce_with_no_entity(hass: HomeAssistant) -> None:
     """Test reproduce_state with no entity."""
     calls = async_mock_service(hass, "light", SERVICE_TURN_ON)