From b0b8c3d45d9cd5d16bd606118fafb23c1c935d29 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Sat, 29 Aug 2026 01:54:02 +0200
Subject: [PATCH] Poll the myStrom motion sensor readings (#180416)

---
 homeassistant/components/mystrom/sensor.py | 25 +++++++++++++-
 tests/components/mystrom/test_sensor.py    | 39 ++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 tests/components/mystrom/test_sensor.py

diff --git a/homeassistant/components/mystrom/sensor.py b/homeassistant/components/mystrom/sensor.py
index d935c407efdb..16af8da0c4d5 100644
--- a/homeassistant/components/mystrom/sensor.py
+++ b/homeassistant/components/mystrom/sensor.py
@@ -1,10 +1,12 @@
 """Support for myStrom sensors of switches/plugs."""
 
-from collections.abc import Callable
+from collections.abc import Callable, Coroutine
 from dataclasses import dataclass
 from datetime import datetime, timedelta
+import logging
 from typing import Any, override
 
+from pymystrom.exceptions import MyStromConnectionError
 from pymystrom.pir import MyStromPir
 from pymystrom.switch import MyStromSwitch
 
@@ -29,12 +31,17 @@ from homeassistant.util.dt import utcnow
 from .const import DOMAIN, MANUFACTURER
 from .models import MyStromConfigEntry
 
+_LOGGER = logging.getLogger(__name__)
+
 
 @dataclass(frozen=True, kw_only=True)
 class MyStromSensorEntityDescription[_DeviceT](SensorEntityDescription):
     """Class describing mystrom sensor entities."""
 
     value_fn: Callable[[_DeviceT], float | None]
+    # Only needed where nothing else on the device polls; a switch is kept
+    # fresh by its own entity refreshing the shared device.
+    update_fn: Callable[[_DeviceT], Coroutine[Any, Any, None]] | None = None
 
 
 SENSOR_TYPES_PIR: tuple[MyStromSensorEntityDescription[MyStromPir], ...] = (
@@ -50,6 +57,7 @@ SENSOR_TYPES_PIR: tuple[MyStromSensorEntityDescription[MyStromPir], ...] = (
                 else None
             )
         ),
+        update_fn=lambda device: device.get_temperatures(),
     ),
     MyStromSensorEntityDescription(
         key="illuminance",
@@ -61,6 +69,7 @@ SENSOR_TYPES_PIR: tuple[MyStromSensorEntityDescription[MyStromPir], ...] = (
                 float(device.intensity) if device.intensity is not None else None
             )
         ),
+        update_fn=lambda device: device.get_light(),
     ),
 )
 
@@ -180,6 +189,20 @@ class MyStromSensor[_DeviceT](MyStromSensorBase):
         """Return the value of the sensor."""
         return self.entity_description.value_fn(self.device)
 
+    async def async_update(self) -> None:
+        """Get the latest reading from the device."""
+        if (update_fn := self.entity_description.update_fn) is None:
+            return
+
+        try:
+            await update_fn(self.device)
+        except MyStromConnectionError:
+            if self.available:
+                self._attr_available = False
+                _LOGGER.error("No route to myStrom device")
+        else:
+            self._attr_available = True
+
 
 class MyStromSwitchUptimeSensor(MyStromSensorBase):
     """Representation of a MyStrom Switch uptime sensor."""
diff --git a/tests/components/mystrom/test_sensor.py b/tests/components/mystrom/test_sensor.py
new file mode 100644
index 000000000000..f165b1c78dcc
--- /dev/null
+++ b/tests/components/mystrom/test_sensor.py
@@ -0,0 +1,39 @@
+"""Test the myStrom sensors."""
+
+from datetime import timedelta
+
+from freezegun.api import FrozenDateTimeFactory
+
+from homeassistant.core import HomeAssistant
+
+from .test_init import init_integration
+
+from tests.common import MockConfigEntry, async_fire_time_changed
+
+
+async def test_pir_sensors_are_polled(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test the motion sensor readings are refreshed while polling."""
+    await init_integration(hass, config_entry, 110)
+
+    device = config_entry.runtime_data.device
+    assert hass.states.get("sensor.mystrom_device_temperature").state == "24.87"
+    assert hass.states.get("sensor.mystrom_device_illuminance").state == "16.0"
+
+    # The mock only reports readings once they have been fetched, and nothing
+    # else talks to a motion sensor, so this stays cleared unless the sensors
+    # fetch them themselves.
+    device._requested_state = False
+    device._state["temperature_compensated"] = 21.5
+    device._state["intensity"] = 42
+
+    freezer.tick(timedelta(minutes=5))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    assert device._requested_state is True
+    assert hass.states.get("sensor.mystrom_device_temperature").state == "21.5"
+    assert hass.states.get("sensor.mystrom_device_illuminance").state == "42.0"