Make recorder WS command recorder/update_statistics_metadata wait (ho…

…me-assistant#127179)

homeassistant/components/recorder/core.py

@@ -581,11 +581,12 @@ def async_update_statistics_metadata(
         *,
         new_statistic_id: str | UndefinedType = UNDEFINED,
         new_unit_of_measurement: str | None | UndefinedType = UNDEFINED,
+        on_done: Callable[[], None] | None = None,
     ) -> None:
         """Update statistics metadata for a statistic_id."""
         self.queue_task(
             UpdateStatisticsMetadataTask(
-                statistic_id, new_statistic_id, new_unit_of_measurement
+                on_done, statistic_id, new_statistic_id, new_unit_of_measurement
             )
         )
 

homeassistant/components/recorder/tasks.py

@@ -71,6 +71,7 @@ def run(self, instance: Recorder) -> None:
 class UpdateStatisticsMetadataTask(RecorderTask):
     """Object to store statistics_id and unit for update of statistics metadata."""
 
+    on_done: Callable[[], None] | None
     statistic_id: str
     new_statistic_id: str | None | UndefinedType
     new_unit_of_measurement: str | None | UndefinedType
@@ -83,6 +84,8 @@ def run(self, instance: Recorder) -> None:
             self.new_statistic_id,
             self.new_unit_of_measurement,
         )
+        if self.on_done:
+            self.on_done()
 
 
 @dataclass(slots=True)

homeassistant/components/recorder/websocket_api.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import asyncio
 from datetime import datetime as dt
 from typing import Any, Literal, cast
 
@@ -48,6 +49,8 @@
 )
 from .util import PERIOD_SCHEMA, get_instance, resolve_period
 
+UPDATE_STATISTICS_METADATA_TIME_OUT = 10
+
 UNIT_SCHEMA = vol.Schema(
     {
         vol.Optional("conductivity"): vol.In(ConductivityConverter.VALID_UNITS),
@@ -357,17 +360,33 @@ async def ws_get_statistics_metadata(
         vol.Required("unit_of_measurement"): vol.Any(str, None),
     }
 )
-@callback
-def ws_update_statistics_metadata(
+@websocket_api.async_response
+async def ws_update_statistics_metadata(
     hass: HomeAssistant, connection: websocket_api.ActiveConnection, msg: dict[str, Any]
 ) -> None:
     """Update statistics metadata for a statistic_id.
 
     Only the normalized unit of measurement can be updated.
     """
+    done_event = asyncio.Event()
+
+    def update_statistics_metadata_done() -> None:
+        hass.loop.call_soon_threadsafe(done_event.set)
+
     get_instance(hass).async_update_statistics_metadata(
-        msg["statistic_id"], new_unit_of_measurement=msg["unit_of_measurement"]
+        msg["statistic_id"],
+        new_unit_of_measurement=msg["unit_of_measurement"],
+        on_done=update_statistics_metadata_done,
     )
+    try:
+        async with asyncio.timeout(UPDATE_STATISTICS_METADATA_TIME_OUT):
+            await done_event.wait()
+    except TimeoutError:
+        connection.send_error(
+            msg["id"], websocket_api.ERR_TIMEOUT, "update_statistics_metadata timed out"
+        )
+        return
+
     connection.send_result(msg["id"])
 
 

tests/components/recorder/test_websocket_api.py

@@ -2216,6 +2216,31 @@ async def test_update_statistics_metadata(
     }
 
 
+async def test_update_statistics_metadata_time_out(
+    recorder_mock: Recorder, hass: HomeAssistant, hass_ws_client: WebSocketGenerator
+) -> None:
+    """Test update statistics metadata with time-out error."""
+    client = await hass_ws_client()
+
+    with (
+        patch.object(recorder.tasks.UpdateStatisticsMetadataTask, "run"),
+        patch.object(recorder.websocket_api, "UPDATE_STATISTICS_METADATA_TIME_OUT", 0),
+    ):
+        await client.send_json_auto_id(
+            {
+                "type": "recorder/update_statistics_metadata",
+                "statistic_id": "sensor.test",
+                "unit_of_measurement": "dogs",
+            }
+        )
+        response = await client.receive_json()
+    assert not response["success"]
+    assert response["error"] == {
+        "code": "timeout",
+        "message": "update_statistics_metadata timed out",
+    }
+
+
 async def test_change_statistics_unit(
     recorder_mock: Recorder, hass: HomeAssistant, hass_ws_client: WebSocketGenerator
 ) -> None: