Fix state_changes_during_period bakery caching for limit and descending (#70610)

homeassistant/components/recorder/history.py

@@ -343,15 +343,22 @@ def state_changes_during_period(
                 StateAttributes, States.attributes_id == StateAttributes.attributes_id
             )
 
-        last_updated = States.last_updated.desc() if descending else States.last_updated
+        if descending:
-        baked_query += lambda q: q.order_by(States.entity_id, last_updated)
+            baked_query += lambda q: q.order_by(
+                States.entity_id, States.last_updated.desc()
+            )
+        else:
+            baked_query += lambda q: q.order_by(States.entity_id, States.last_updated)
 
         if limit:
-            baked_query += lambda q: q.limit(limit)
+            baked_query += lambda q: q.limit(bindparam("limit"))
 
         states = execute(
             baked_query(session).params(
-                start_time=start_time, end_time=end_time, entity_id=entity_id
+                start_time=start_time,
+                end_time=end_time,
+                entity_id=entity_id,
+                limit=limit,
             )
         )
 

tests/components/recorder/test_history.py

@@ -268,6 +268,48 @@ def test_state_changes_during_period(hass_recorder, attributes, no_attributes, l
     assert states[:limit] == hist[entity_id]
 
 
+def test_state_changes_during_period_descending(hass_recorder):
+    """Test state change during period descending."""
+    hass = hass_recorder()
+    entity_id = "media_player.test"
+
+    def set_state(state):
+        """Set the state."""
+        hass.states.set(entity_id, state, {"any": 1})
+        wait_recording_done(hass)
+        return hass.states.get(entity_id)
+
+    start = dt_util.utcnow()
+    point = start + timedelta(seconds=1)
+    end = point + timedelta(seconds=1)
+
+    with patch("homeassistant.components.recorder.dt_util.utcnow", return_value=start):
+        set_state("idle")
+        set_state("YouTube")
+
+    with patch("homeassistant.components.recorder.dt_util.utcnow", return_value=point):
+        states = [
+            set_state("idle"),
+            set_state("Netflix"),
+            set_state("Plex"),
+            set_state("YouTube"),
+        ]
+
+    with patch("homeassistant.components.recorder.dt_util.utcnow", return_value=end):
+        set_state("Netflix")
+        set_state("Plex")
+
+    hist = history.state_changes_during_period(
+        hass, start, end, entity_id, no_attributes=False, descending=False
+    )
+    assert states == hist[entity_id]
+
+    hist = history.state_changes_during_period(
+        hass, start, end, entity_id, no_attributes=False, descending=True
+    )
+    assert states == list(reversed(list(hist[entity_id])))
+
+
 def test_get_last_state_changes(hass_recorder):
     """Test number of state changes."""
     hass = hass_recorder()