Change Ambient Network timestamp updates (#116941)

homeassistant/components/ambient_network/coordinator.py

@@ -12,6 +12,7 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_MAC
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+from homeassistant.util import dt as dt_util
 
 from .const import API_LAST_DATA, DOMAIN, LOGGER
 from .helper import get_station_name
@@ -24,6 +25,7 @@ class AmbientNetworkDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]])
 
     config_entry: ConfigEntry
     station_name: str
+    last_measured: datetime | None = None
 
     def __init__(self, hass: HomeAssistant, api: OpenAPI) -> None:
         """Initialize the coordinator."""
@@ -47,19 +49,13 @@ class AmbientNetworkDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]])
                 f"Station '{self.config_entry.title}' did not report any data"
             )
 
-        # Eliminate data if the station hasn't been updated for a while.
-        if (created_at := last_data.get("created_at")) is None:
-            raise UpdateFailed(
-                f"Station '{self.config_entry.title}' did not report a time stamp"
-            )
-
-        # Eliminate data that has been generated more than an hour ago. The station is
-        # probably offline.
-        if int(created_at / 1000) < int(
-            (datetime.now() - timedelta(hours=1)).timestamp()
-        ):
-            raise UpdateFailed(
-                f"Station '{self.config_entry.title}' reported stale data"
+        # Some stations do not report a "created_at" or "dateutc".
+        # See https://github.com/home-assistant/core/issues/116917
+        if (ts := last_data.get("created_at")) is not None or (
+            ts := last_data.get("dateutc")
+        ) is not None:
+            self.last_measured = datetime.fromtimestamp(
+                ts / 1000, tz=dt_util.DEFAULT_TIME_ZONE
             )
 
         return cast(dict[str, Any], last_data)

homeassistant/components/ambient_network/sensor.py

@@ -299,12 +299,10 @@ class AmbientNetworkSensor(AmbientNetworkEntity, SensorEntity):
         mac_address: str,
     ) -> None:
         """Initialize a sensor object."""
-
         super().__init__(coordinator, description, mac_address)
 
     def _update_attrs(self) -> None:
         """Update sensor attributes."""
-
         value = self.coordinator.data.get(self.entity_description.key)
 
         # Treatments for special units.
@@ -315,3 +313,8 @@ class AmbientNetworkSensor(AmbientNetworkEntity, SensorEntity):
 
         self._attr_available = value is not None
         self._attr_native_value = value
+
+        if self.coordinator.last_measured is not None:
+            self._attr_extra_state_attributes = {
+                "last_measured": self.coordinator.last_measured
+            }

tests/components/ambient_network/fixtures/device_details_response_b.json

@@ -3,5 +3,8 @@
   "macAddress": "BB:BB:BB:BB:BB:BB",
   "info": {
     "name": "Station B"
+  },
+  "lastData": {
+    "tempf": 82.9
   }
 }

tests/components/ambient_network/fixtures/device_details_response_c.json

@@ -3,7 +3,7 @@
   "macAddress": "CC:CC:CC:CC:CC:CC",
   "lastData": {
     "stationtype": "AMBWeatherPro_V5.0.6",
-    "dateutc": 1699474320000,
+    "dateutc": 1717687683000,
     "tempf": 82.9,
     "dewPoint": 82.0,
     "feelsLike": 85.0,

tests/components/ambient_network/fixtures/device_details_response_d.json

@@ -0,0 +1,30 @@
+{
+  "_id": "dddddddddddddddddddddddddddddddd",
+  "macAddress": "DD:DD:DD:DD:DD:DD",
+  "lastData": {
+    "stationtype": "AMBWeatherPro_V5.0.6",
+    "tempf": 82.9,
+    "dewPoint": 82.0,
+    "feelsLike": 85.0,
+    "humidity": 60,
+    "windspeedmph": 8.72,
+    "windgustmph": 9.17,
+    "maxdailygust": 22.82,
+    "winddir": 11,
+    "uv": 0,
+    "solarradiation": 37.64,
+    "hourlyrainin": 0,
+    "dailyrainin": 0,
+    "weeklyrainin": 0,
+    "monthlyrainin": 0,
+    "totalrainin": 26.402,
+    "baromrelin": 29.586,
+    "baromabsin": 28.869,
+    "batt_co2": 1,
+    "type": "weather-data",
+    "tz": "America/Chicago"
+  },
+  "info": {
+    "name": "Station D"
+  }
+}

tests/components/ambient_network/test_sensor.py

@@ -1,7 +1,7 @@
 """Test Ambient Weather Network sensors."""
 
 from datetime import datetime, timedelta
-from unittest.mock import patch
+from unittest.mock import AsyncMock, patch
 
 from aioambient import OpenAPI
 from aioambient.errors import RequestError
@@ -9,6 +9,7 @@ from freezegun import freeze_time
 import pytest
 from syrupy.assertion import SnapshotAssertion
 
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
@@ -17,65 +18,47 @@ from .conftest import setup_platform
 from tests.common import async_fire_time_changed, snapshot_platform
 
 
-@freeze_time("2023-11-08")
-@pytest.mark.parametrize("config_entry", ["AA:AA:AA:AA:AA:AA"], indirect=True)
+@freeze_time("2023-11-9")
+@pytest.mark.parametrize(
+    "config_entry",
+    ["AA:AA:AA:AA:AA:AA", "CC:CC:CC:CC:CC:CC", "DD:DD:DD:DD:DD:DD"],
+    indirect=True,
+)
 @pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_sensors(
     hass: HomeAssistant,
     open_api: OpenAPI,
-    aioambient,
-    config_entry,
+    aioambient: AsyncMock,
+    config_entry: ConfigEntry,
     entity_registry: er.EntityRegistry,
     snapshot: SnapshotAssertion,
 ) -> None:
     """Test all sensors under normal operation."""
     await setup_platform(True, hass, config_entry)
-
     await snapshot_platform(hass, entity_registry, snapshot, config_entry.entry_id)
 
 
-@freeze_time("2023-11-09")
-@pytest.mark.parametrize("config_entry", ["AA:AA:AA:AA:AA:AA"], indirect=True)
-async def test_sensors_with_stale_data(
-    hass: HomeAssistant, open_api: OpenAPI, aioambient, config_entry
-) -> None:
-    """Test that the sensors are not populated if the data is stale."""
-    await setup_platform(False, hass, config_entry)
-
-    sensor = hass.states.get("sensor.station_a_absolute_pressure")
-    assert sensor is None
-
-
-@freeze_time("2023-11-08")
 @pytest.mark.parametrize("config_entry", ["BB:BB:BB:BB:BB:BB"], indirect=True)
 async def test_sensors_with_no_data(
-    hass: HomeAssistant, open_api: OpenAPI, aioambient, config_entry
+    hass: HomeAssistant,
+    open_api: OpenAPI,
+    aioambient: AsyncMock,
+    config_entry: ConfigEntry,
 ) -> None:
     """Test that the sensors are not populated if the last data is absent."""
-    await setup_platform(False, hass, config_entry)
+    await setup_platform(True, hass, config_entry)
 
-    sensor = hass.states.get("sensor.station_b_absolute_pressure")
-    assert sensor is None
-
-
-@freeze_time("2023-11-08")
-@pytest.mark.parametrize("config_entry", ["CC:CC:CC:CC:CC:CC"], indirect=True)
-async def test_sensors_with_no_update_time(
-    hass: HomeAssistant, open_api: OpenAPI, aioambient, config_entry
-) -> None:
-    """Test that the sensors are not populated if the update time is missing."""
-    await setup_platform(False, hass, config_entry)
-
-    sensor = hass.states.get("sensor.station_c_absolute_pressure")
-    assert sensor is None
+    sensor = hass.states.get("sensor.station_b_temperature")
+    assert sensor is not None
+    assert "last_measured" not in sensor.attributes
 
 
 @pytest.mark.parametrize("config_entry", ["AA:AA:AA:AA:AA:AA"], indirect=True)
 async def test_sensors_disappearing(
     hass: HomeAssistant,
     open_api: OpenAPI,
-    aioambient,
-    config_entry,
+    aioambient: AsyncMock,
+    config_entry: ConfigEntry,
     caplog: pytest.LogCaptureFixture,
 ) -> None:
     """Test that we log errors properly."""