Add event platform to Husqvarna Automower (#148212)

Co-authored-by: G Johansson <goran.johansson@shiftit.se>

homeassistant/components/husqvarna_automower/__init__.py

@@ -21,6 +21,7 @@ PLATFORMS: list[Platform] = [
     Platform.BUTTON,
     Platform.CALENDAR,
     Platform.DEVICE_TRACKER,
+    Platform.EVENT,
     Platform.LAWN_MOWER,
     Platform.NUMBER,
     Platform.SELECT,

homeassistant/components/husqvarna_automower/const.py

@@ -17,3 +17,128 @@ ERROR_STATES = [
     MowerStates.WAIT_POWER_UP,
     MowerStates.WAIT_UPDATING,
 ]
+
+ERROR_KEYS = [
+    "alarm_mower_in_motion",
+    "alarm_mower_lifted",
+    "alarm_mower_stopped",
+    "alarm_mower_switched_off",
+    "alarm_mower_tilted",
+    "alarm_outside_geofence",
+    "angular_sensor_problem",
+    "battery_problem",
+    "battery_restriction_due_to_ambient_temperature",
+    "can_error",
+    "charging_current_too_high",
+    "charging_station_blocked",
+    "charging_system_problem",
+    "collision_sensor_defect",
+    "collision_sensor_error",
+    "collision_sensor_problem_front",
+    "collision_sensor_problem_rear",
+    "com_board_not_available",
+    "communication_circuit_board_sw_must_be_updated",
+    "complex_working_area",
+    "connection_changed",
+    "connection_not_changed",
+    "connectivity_problem",
+    "connectivity_settings_restored",
+    "cutting_drive_motor_1_defect",
+    "cutting_drive_motor_2_defect",
+    "cutting_drive_motor_3_defect",
+    "cutting_height_blocked",
+    "cutting_height_problem",
+    "cutting_height_problem_curr",
+    "cutting_height_problem_dir",
+    "cutting_height_problem_drive",
+    "cutting_motor_problem",
+    "cutting_stopped_slope_too_steep",
+    "cutting_system_blocked",
+    "cutting_system_imbalance_warning",
+    "cutting_system_major_imbalance",
+    "destination_not_reachable",
+    "difficult_finding_home",
+    "docking_sensor_defect",
+    "electronic_problem",
+    "empty_battery",
+    "folding_cutting_deck_sensor_defect",
+    "folding_sensor_activated",
+    "geofence_problem",
+    "gps_navigation_problem",
+    "guide_1_not_found",
+    "guide_2_not_found",
+    "guide_3_not_found",
+    "guide_calibration_accomplished",
+    "guide_calibration_failed",
+    "high_charging_power_loss",
+    "high_internal_power_loss",
+    "high_internal_temperature",
+    "internal_voltage_error",
+    "invalid_battery_combination_invalid_combination_of_different_battery_types",
+    "invalid_sub_device_combination",
+    "invalid_system_configuration",
+    "left_brush_motor_overloaded",
+    "lift_sensor_defect",
+    "lifted",
+    "limited_cutting_height_range",
+    "loop_sensor_defect",
+    "loop_sensor_problem_front",
+    "loop_sensor_problem_left",
+    "loop_sensor_problem_rear",
+    "loop_sensor_problem_right",
+    "low_battery",
+    "memory_circuit_problem",
+    "mower_lifted",
+    "mower_tilted",
+    "no_accurate_position_from_satellites",
+    "no_confirmed_position",
+    "no_drive",
+    "no_loop_signal",
+    "no_power_in_charging_station",
+    "no_response_from_charger",
+    "outside_working_area",
+    "poor_signal_quality",
+    "reference_station_communication_problem",
+    "right_brush_motor_overloaded",
+    "safety_function_faulty",
+    "settings_restored",
+    "sim_card_locked",
+    "sim_card_not_found",
+    "sim_card_requires_pin",
+    "slipped_mower_has_slipped_situation_not_solved_with_moving_pattern",
+    "slope_too_steep",
+    "sms_could_not_be_sent",
+    "stop_button_problem",
+    "stuck_in_charging_station",
+    "switch_cord_problem",
+    "temporary_battery_problem",
+    "tilt_sensor_problem",
+    "too_high_discharge_current",
+    "too_high_internal_current",
+    "trapped",
+    "ultrasonic_problem",
+    "ultrasonic_sensor_1_defect",
+    "ultrasonic_sensor_2_defect",
+    "ultrasonic_sensor_3_defect",
+    "ultrasonic_sensor_4_defect",
+    "unexpected_cutting_height_adj",
+    "unexpected_error",
+    "upside_down",
+    "weak_gps_signal",
+    "wheel_drive_problem_left",
+    "wheel_drive_problem_rear_left",
+    "wheel_drive_problem_rear_right",
+    "wheel_drive_problem_right",
+    "wheel_motor_blocked_left",
+    "wheel_motor_blocked_rear_left",
+    "wheel_motor_blocked_rear_right",
+    "wheel_motor_blocked_right",
+    "wheel_motor_overloaded_left",
+    "wheel_motor_overloaded_rear_left",
+    "wheel_motor_overloaded_rear_right",
+    "wheel_motor_overloaded_right",
+    "work_area_not_valid",
+    "wrong_loop_signal",
+    "wrong_pin_code",
+    "zone_generator_problem",
+]

homeassistant/components/husqvarna_automower/event.py

@@ -0,0 +1,108 @@
+"""Creates the event entities for supported mowers."""
+
+from collections.abc import Callable
+
+from aioautomower.model import SingleMessageData
+
+from homeassistant.components.event import (
+    DOMAIN as EVENT_DOMAIN,
+    EventEntity,
+    EventEntityDescription,
+)
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import AutomowerConfigEntry
+from .const import ERROR_KEYS
+from .coordinator import AutomowerDataUpdateCoordinator
+from .entity import AutomowerBaseEntity
+
+PARALLEL_UPDATES = 1
+
+ATTR_SEVERITY = "severity"
+ATTR_LATITUDE = "latitude"
+ATTR_LONGITUDE = "longitude"
+ATTR_DATE_TIME = "date_time"
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: AutomowerConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up Automower message event entities.
+
+    Entities are created dynamically based on messages received from the API,
+    but only for mowers that support message events.
+    """
+    coordinator = config_entry.runtime_data
+    entity_registry = er.async_get(hass)
+
+    restored_mowers = {
+        entry.unique_id.removesuffix("_message")
+        for entry in er.async_entries_for_config_entry(
+            entity_registry, config_entry.entry_id
+        )
+        if entry.domain == EVENT_DOMAIN
+    }
+
+    async_add_entities(
+        AutomowerMessageEventEntity(mower_id, coordinator)
+        for mower_id in restored_mowers
+        if mower_id in coordinator.data
+    )
+
+    @callback
+    def _handle_message(msg: SingleMessageData) -> None:
+        if msg.id in restored_mowers:
+            return
+
+        restored_mowers.add(msg.id)
+        async_add_entities([AutomowerMessageEventEntity(msg.id, coordinator)])
+
+    coordinator.api.register_single_message_callback(_handle_message)
+
+
+class AutomowerMessageEventEntity(AutomowerBaseEntity, EventEntity):
+    """EventEntity for Automower message events."""
+
+    entity_description: EventEntityDescription
+    _message_cb: Callable[[SingleMessageData], None]
+    _attr_translation_key = "message"
+    _attr_event_types = ERROR_KEYS
+
+    def __init__(
+        self,
+        mower_id: str,
+        coordinator: AutomowerDataUpdateCoordinator,
+    ) -> None:
+        """Initialize Automower message event entity."""
+        super().__init__(mower_id, coordinator)
+        self._attr_unique_id = f"{mower_id}_message"
+
+    @callback
+    def _handle(self, msg: SingleMessageData) -> None:
+        """Handle a message event from the API and trigger the event entity if it matches the entity's mower ID."""
+        if msg.id != self.mower_id:
+            return
+        message = msg.attributes.message
+        self._trigger_event(
+            message.code,
+            {
+                ATTR_SEVERITY: message.severity,
+                ATTR_LATITUDE: message.latitude,
+                ATTR_LONGITUDE: message.longitude,
+                ATTR_DATE_TIME: message.time,
+            },
+        )
+        self.async_write_ha_state()
+
+    async def async_added_to_hass(self) -> None:
+        """Register callback when entity is added to hass."""
+        await super().async_added_to_hass()
+        self.coordinator.api.register_single_message_callback(self._handle)
+
+    async def async_will_remove_from_hass(self) -> None:
+        """Unregister WebSocket callback when entity is removed."""
+        self.coordinator.api.unregister_single_message_callback(self._handle)

homeassistant/components/husqvarna_automower/icons.json

@@ -13,6 +13,11 @@
         "default": "mdi:saw-blade"
       }
     },
+    "event": {
+      "message": {
+        "default": "mdi:alert-circle-check-outline"
+      }
+    },
     "number": {
       "cutting_height": {
         "default": "mdi:grass"

homeassistant/components/husqvarna_automower/sensor.py

@@ -28,7 +28,7 @@ from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import StateType
 
 from . import AutomowerConfigEntry
-from .const import ERROR_STATES
+from .const import ERROR_KEYS, ERROR_STATES
 from .coordinator import AutomowerDataUpdateCoordinator
 from .entity import (
     AutomowerBaseEntity,
@@ -42,132 +42,6 @@ PARALLEL_UPDATES = 0
 
 ATTR_WORK_AREA_ID_ASSIGNMENT = "work_area_id_assignment"
 
-ERROR_KEYS = [
-    "alarm_mower_in_motion",
-    "alarm_mower_lifted",
-    "alarm_mower_stopped",
-    "alarm_mower_switched_off",
-    "alarm_mower_tilted",
-    "alarm_outside_geofence",
-    "angular_sensor_problem",
-    "battery_problem",
-    "battery_restriction_due_to_ambient_temperature",
-    "can_error",
-    "charging_current_too_high",
-    "charging_station_blocked",
-    "charging_system_problem",
-    "collision_sensor_defect",
-    "collision_sensor_error",
-    "collision_sensor_problem_front",
-    "collision_sensor_problem_rear",
-    "com_board_not_available",
-    "communication_circuit_board_sw_must_be_updated",
-    "complex_working_area",
-    "connection_changed",
-    "connection_not_changed",
-    "connectivity_problem",
-    "connectivity_settings_restored",
-    "cutting_drive_motor_1_defect",
-    "cutting_drive_motor_2_defect",
-    "cutting_drive_motor_3_defect",
-    "cutting_height_blocked",
-    "cutting_height_problem",
-    "cutting_height_problem_curr",
-    "cutting_height_problem_dir",
-    "cutting_height_problem_drive",
-    "cutting_motor_problem",
-    "cutting_stopped_slope_too_steep",
-    "cutting_system_blocked",
-    "cutting_system_imbalance_warning",
-    "cutting_system_major_imbalance",
-    "destination_not_reachable",
-    "difficult_finding_home",
-    "docking_sensor_defect",
-    "electronic_problem",
-    "empty_battery",
-    "folding_cutting_deck_sensor_defect",
-    "folding_sensor_activated",
-    "geofence_problem",
-    "gps_navigation_problem",
-    "guide_1_not_found",
-    "guide_2_not_found",
-    "guide_3_not_found",
-    "guide_calibration_accomplished",
-    "guide_calibration_failed",
-    "high_charging_power_loss",
-    "high_internal_power_loss",
-    "high_internal_temperature",
-    "internal_voltage_error",
-    "invalid_battery_combination_invalid_combination_of_different_battery_types",
-    "invalid_sub_device_combination",
-    "invalid_system_configuration",
-    "left_brush_motor_overloaded",
-    "lift_sensor_defect",
-    "lifted",
-    "limited_cutting_height_range",
-    "loop_sensor_defect",
-    "loop_sensor_problem_front",
-    "loop_sensor_problem_left",
-    "loop_sensor_problem_rear",
-    "loop_sensor_problem_right",
-    "low_battery",
-    "memory_circuit_problem",
-    "mower_lifted",
-    "mower_tilted",
-    "no_accurate_position_from_satellites",
-    "no_confirmed_position",
-    "no_drive",
-    "no_loop_signal",
-    "no_power_in_charging_station",
-    "no_response_from_charger",
-    "outside_working_area",
-    "poor_signal_quality",
-    "reference_station_communication_problem",
-    "right_brush_motor_overloaded",
-    "safety_function_faulty",
-    "settings_restored",
-    "sim_card_locked",
-    "sim_card_not_found",
-    "sim_card_requires_pin",
-    "slipped_mower_has_slipped_situation_not_solved_with_moving_pattern",
-    "slope_too_steep",
-    "sms_could_not_be_sent",
-    "stop_button_problem",
-    "stuck_in_charging_station",
-    "switch_cord_problem",
-    "temporary_battery_problem",
-    "tilt_sensor_problem",
-    "too_high_discharge_current",
-    "too_high_internal_current",
-    "trapped",
-    "ultrasonic_problem",
-    "ultrasonic_sensor_1_defect",
-    "ultrasonic_sensor_2_defect",
-    "ultrasonic_sensor_3_defect",
-    "ultrasonic_sensor_4_defect",
-    "unexpected_cutting_height_adj",
-    "unexpected_error",
-    "upside_down",
-    "weak_gps_signal",
-    "wheel_drive_problem_left",
-    "wheel_drive_problem_rear_left",
-    "wheel_drive_problem_rear_right",
-    "wheel_drive_problem_right",
-    "wheel_motor_blocked_left",
-    "wheel_motor_blocked_rear_left",
-    "wheel_motor_blocked_rear_right",
-    "wheel_motor_blocked_right",
-    "wheel_motor_overloaded_left",
-    "wheel_motor_overloaded_rear_left",
-    "wheel_motor_overloaded_rear_right",
-    "wheel_motor_overloaded_right",
-    "work_area_not_valid",
-    "wrong_loop_signal",
-    "wrong_pin_code",
-    "zone_generator_problem",
-]
-
-
 ERROR_KEY_LIST = sorted(
     set(ERROR_KEYS) | {state.lower() for state in ERROR_STATES} | {"no_error"}
 )

homeassistant/components/husqvarna_automower/strings.json

@@ -58,6 +58,158 @@
         "name": "Reset cutting blade usage time"
       }
     },
+    "event": {
+      "message": {
+        "name": "Message",
+        "state_attributes": {
+          "event_type": {
+            "state": {
+              "alarm_mower_in_motion": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_mower_in_motion%]",
+              "alarm_mower_lifted": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_mower_lifted%]",
+              "alarm_mower_stopped": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_mower_stopped%]",
+              "alarm_mower_switched_off": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_mower_switched_off%]",
+              "alarm_mower_tilted": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_mower_tilted%]",
+              "alarm_outside_geofence": "[%key:component::husqvarna_automower::entity::sensor::error::state::alarm_outside_geofence%]",
+              "angular_sensor_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::angular_sensor_problem%]",
+              "battery_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::battery_problem%]",
+              "battery_restriction_due_to_ambient_temperature": "[%key:component::husqvarna_automower::entity::sensor::error::state::battery_restriction_due_to_ambient_temperature%]",
+              "can_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::can_error%]",
+              "charging_current_too_high": "[%key:component::husqvarna_automower::entity::sensor::error::state::charging_current_too_high%]",
+              "charging_station_blocked": "[%key:component::husqvarna_automower::entity::sensor::error::state::charging_station_blocked%]",
+              "charging_system_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::charging_system_problem%]",
+              "collision_sensor_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::collision_sensor_defect%]",
+              "collision_sensor_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::collision_sensor_error%]",
+              "collision_sensor_problem_front": "[%key:component::husqvarna_automower::entity::sensor::error::state::collision_sensor_problem_front%]",
+              "collision_sensor_problem_rear": "[%key:component::husqvarna_automower::entity::sensor::error::state::collision_sensor_problem_rear%]",
+              "com_board_not_available": "[%key:component::husqvarna_automower::entity::sensor::error::state::com_board_not_available%]",
+              "communication_circuit_board_sw_must_be_updated": "[%key:component::husqvarna_automower::entity::sensor::error::state::communication_circuit_board_sw_must_be_updated%]",
+              "complex_working_area": "[%key:component::husqvarna_automower::entity::sensor::error::state::complex_working_area%]",
+              "connection_changed": "[%key:component::husqvarna_automower::entity::sensor::error::state::connection_changed%]",
+              "connection_not_changed": "[%key:component::husqvarna_automower::entity::sensor::error::state::connection_not_changed%]",
+              "connectivity_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::connectivity_problem%]",
+              "connectivity_settings_restored": "[%key:component::husqvarna_automower::entity::sensor::error::state::connectivity_settings_restored%]",
+              "cutting_drive_motor_1_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_drive_motor_1_defect%]",
+              "cutting_drive_motor_2_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_drive_motor_2_defect%]",
+              "cutting_drive_motor_3_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_drive_motor_3_defect%]",
+              "cutting_height_blocked": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_height_blocked%]",
+              "cutting_height_problem_curr": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_height_problem_curr%]",
+              "cutting_height_problem_dir": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_height_problem_dir%]",
+              "cutting_height_problem_drive": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_height_problem_drive%]",
+              "cutting_height_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_height_problem%]",
+              "cutting_motor_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_motor_problem%]",
+              "cutting_stopped_slope_too_steep": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_stopped_slope_too_steep%]",
+              "cutting_system_blocked": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_system_blocked%]",
+              "cutting_system_imbalance_warning": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_system_imbalance_warning%]",
+              "cutting_system_major_imbalance": "[%key:component::husqvarna_automower::entity::sensor::error::state::cutting_system_major_imbalance%]",
+              "destination_not_reachable": "[%key:component::husqvarna_automower::entity::sensor::error::state::destination_not_reachable%]",
+              "difficult_finding_home": "[%key:component::husqvarna_automower::entity::sensor::error::state::difficult_finding_home%]",
+              "docking_sensor_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::docking_sensor_defect%]",
+              "electronic_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::electronic_problem%]",
+              "empty_battery": "[%key:component::husqvarna_automower::entity::sensor::error::state::empty_battery%]",
+              "error_at_power_up": "[%key:component::husqvarna_automower::entity::sensor::error::state::error_at_power_up%]",
+              "error": "[%key:common::state::error%]",
+              "fatal_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::fatal_error%]",
+              "folding_cutting_deck_sensor_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::folding_cutting_deck_sensor_defect%]",
+              "folding_sensor_activated": "[%key:component::husqvarna_automower::entity::sensor::error::state::folding_sensor_activated%]",
+              "geofence_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::geofence_problem%]",
+              "gps_navigation_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::gps_navigation_problem%]",
+              "guide_1_not_found": "[%key:component::husqvarna_automower::entity::sensor::error::state::guide_1_not_found%]",
+              "guide_2_not_found": "[%key:component::husqvarna_automower::entity::sensor::error::state::guide_2_not_found%]",
+              "guide_3_not_found": "[%key:component::husqvarna_automower::entity::sensor::error::state::guide_3_not_found%]",
+              "guide_calibration_accomplished": "[%key:component::husqvarna_automower::entity::sensor::error::state::guide_calibration_accomplished%]",
+              "guide_calibration_failed": "[%key:component::husqvarna_automower::entity::sensor::error::state::guide_calibration_failed%]",
+              "high_charging_power_loss": "[%key:component::husqvarna_automower::entity::sensor::error::state::high_charging_power_loss%]",
+              "high_internal_power_loss": "[%key:component::husqvarna_automower::entity::sensor::error::state::high_internal_power_loss%]",
+              "high_internal_temperature": "[%key:component::husqvarna_automower::entity::sensor::error::state::high_internal_temperature%]",
+              "internal_voltage_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::internal_voltage_error%]",
+              "invalid_battery_combination_invalid_combination_of_different_battery_types": "[%key:component::husqvarna_automower::entity::sensor::error::state::invalid_battery_combination_invalid_combination_of_different_battery_types%]",
+              "invalid_sub_device_combination": "[%key:component::husqvarna_automower::entity::sensor::error::state::invalid_sub_device_combination%]",
+              "invalid_system_configuration": "[%key:component::husqvarna_automower::entity::sensor::error::state::invalid_system_configuration%]",
+              "left_brush_motor_overloaded": "[%key:component::husqvarna_automower::entity::sensor::error::state::left_brush_motor_overloaded%]",
+              "lift_sensor_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::lift_sensor_defect%]",
+              "lifted": "[%key:component::husqvarna_automower::entity::sensor::error::state::lifted%]",
+              "limited_cutting_height_range": "[%key:component::husqvarna_automower::entity::sensor::error::state::limited_cutting_height_range%]",
+              "loop_sensor_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::loop_sensor_defect%]",
+              "loop_sensor_problem_front": "[%key:component::husqvarna_automower::entity::sensor::error::state::loop_sensor_problem_front%]",
+              "loop_sensor_problem_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::loop_sensor_problem_left%]",
+              "loop_sensor_problem_rear": "[%key:component::husqvarna_automower::entity::sensor::error::state::loop_sensor_problem_rear%]",
+              "loop_sensor_problem_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::loop_sensor_problem_right%]",
+              "low_battery": "[%key:component::husqvarna_automower::entity::sensor::error::state::low_battery%]",
+              "memory_circuit_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::memory_circuit_problem%]",
+              "mower_lifted": "[%key:component::husqvarna_automower::entity::sensor::error::state::mower_lifted%]",
+              "mower_tilted": "[%key:component::husqvarna_automower::entity::sensor::error::state::mower_tilted%]",
+              "no_accurate_position_from_satellites": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_accurate_position_from_satellites%]",
+              "no_confirmed_position": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_confirmed_position%]",
+              "no_drive": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_drive%]",
+              "no_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_error%]",
+              "no_loop_signal": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_loop_signal%]",
+              "no_power_in_charging_station": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_power_in_charging_station%]",
+              "no_response_from_charger": "[%key:component::husqvarna_automower::entity::sensor::error::state::no_response_from_charger%]",
+              "off": "[%key:common::state::off%]",
+              "outside_working_area": "[%key:component::husqvarna_automower::entity::sensor::error::state::outside_working_area%]",
+              "poor_signal_quality": "[%key:component::husqvarna_automower::entity::sensor::error::state::poor_signal_quality%]",
+              "reference_station_communication_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::reference_station_communication_problem%]",
+              "right_brush_motor_overloaded": "[%key:component::husqvarna_automower::entity::sensor::error::state::right_brush_motor_overloaded%]",
+              "safety_function_faulty": "[%key:component::husqvarna_automower::entity::sensor::error::state::safety_function_faulty%]",
+              "settings_restored": "[%key:component::husqvarna_automower::entity::sensor::error::state::settings_restored%]",
+              "sim_card_locked": "[%key:component::husqvarna_automower::entity::sensor::error::state::sim_card_locked%]",
+              "sim_card_not_found": "[%key:component::husqvarna_automower::entity::sensor::error::state::sim_card_not_found%]",
+              "sim_card_requires_pin": "[%key:component::husqvarna_automower::entity::sensor::error::state::sim_card_requires_pin%]",
+              "slipped_mower_has_slipped_situation_not_solved_with_moving_pattern": "[%key:component::husqvarna_automower::entity::sensor::error::state::slipped_mower_has_slipped_situation_not_solved_with_moving_pattern%]",
+              "slope_too_steep": "[%key:component::husqvarna_automower::entity::sensor::error::state::slope_too_steep%]",
+              "sms_could_not_be_sent": "[%key:component::husqvarna_automower::entity::sensor::error::state::sms_could_not_be_sent%]",
+              "stop_button_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::stop_button_problem%]",
+              "stopped": "[%key:common::state::stopped%]",
+              "stuck_in_charging_station": "[%key:component::husqvarna_automower::entity::sensor::error::state::stuck_in_charging_station%]",
+              "switch_cord_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::switch_cord_problem%]",
+              "temporary_battery_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::temporary_battery_problem%]",
+              "tilt_sensor_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::tilt_sensor_problem%]",
+              "too_high_discharge_current": "[%key:component::husqvarna_automower::entity::sensor::error::state::too_high_discharge_current%]",
+              "too_high_internal_current": "[%key:component::husqvarna_automower::entity::sensor::error::state::too_high_internal_current%]",
+              "trapped": "[%key:component::husqvarna_automower::entity::sensor::error::state::trapped%]",
+              "ultrasonic_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::ultrasonic_problem%]",
+              "ultrasonic_sensor_1_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::ultrasonic_sensor_1_defect%]",
+              "ultrasonic_sensor_2_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::ultrasonic_sensor_2_defect%]",
+              "ultrasonic_sensor_3_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::ultrasonic_sensor_3_defect%]",
+              "ultrasonic_sensor_4_defect": "[%key:component::husqvarna_automower::entity::sensor::error::state::ultrasonic_sensor_4_defect%]",
+              "unexpected_cutting_height_adj": "[%key:component::husqvarna_automower::entity::sensor::error::state::unexpected_cutting_height_adj%]",
+              "unexpected_error": "[%key:component::husqvarna_automower::entity::sensor::error::state::unexpected_error%]",
+              "upside_down": "[%key:component::husqvarna_automower::entity::sensor::error::state::upside_down%]",
+              "wait_power_up": "[%key:component::husqvarna_automower::entity::sensor::error::state::wait_power_up%]",
+              "wait_updating": "[%key:component::husqvarna_automower::entity::sensor::error::state::wait_updating%]",
+              "weak_gps_signal": "[%key:component::husqvarna_automower::entity::sensor::error::state::weak_gps_signal%]",
+              "wheel_drive_problem_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_drive_problem_left%]",
+              "wheel_drive_problem_rear_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_drive_problem_rear_left%]",
+              "wheel_drive_problem_rear_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_drive_problem_rear_right%]",
+              "wheel_drive_problem_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_drive_problem_right%]",
+              "wheel_motor_blocked_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_blocked_left%]",
+              "wheel_motor_blocked_rear_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_blocked_rear_left%]",
+              "wheel_motor_blocked_rear_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_blocked_rear_right%]",
+              "wheel_motor_blocked_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_blocked_right%]",
+              "wheel_motor_overloaded_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_overloaded_left%]",
+              "wheel_motor_overloaded_rear_left": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_overloaded_rear_left%]",
+              "wheel_motor_overloaded_rear_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_overloaded_rear_right%]",
+              "wheel_motor_overloaded_right": "[%key:component::husqvarna_automower::entity::sensor::error::state::wheel_motor_overloaded_right%]",
+              "work_area_not_valid": "[%key:component::husqvarna_automower::entity::sensor::error::state::work_area_not_valid%]",
+              "wrong_loop_signal": "[%key:component::husqvarna_automower::entity::sensor::error::state::wrong_loop_signal%]",
+              "wrong_pin_code": "[%key:component::husqvarna_automower::entity::sensor::error::state::wrong_pin_code%]",
+              "zone_generator_problem": "[%key:component::husqvarna_automower::entity::sensor::error::state::zone_generator_problem%]"
+            }
+          },
+          "severity": {
+            "state": {
+              "fatal": "Fatal",
+              "error": "[%key:common::state::error%]",
+              "warning": "Warning",
+              "info": "Info",
+              "debug": "Debug",
+              "sw": "Software",
+              "unknown": "Unknown"
+            }
+          }
+        }
+      }
+    },
     "number": {
       "cutting_height": {
         "name": "Cutting height"

tests/components/husqvarna_automower/snapshots/test_event.ambr

@@ -0,0 +1,303 @@
+# serializer version: 1
+# name: test_event_snapshot[event.test_mower_1_message-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'event_types': list([
+        'alarm_mower_in_motion',
+        'alarm_mower_lifted',
+        'alarm_mower_stopped',
+        'alarm_mower_switched_off',
+        'alarm_mower_tilted',
+        'alarm_outside_geofence',
+        'angular_sensor_problem',
+        'battery_problem',
+        'battery_restriction_due_to_ambient_temperature',
+        'can_error',
+        'charging_current_too_high',
+        'charging_station_blocked',
+        'charging_system_problem',
+        'collision_sensor_defect',
+        'collision_sensor_error',
+        'collision_sensor_problem_front',
+        'collision_sensor_problem_rear',
+        'com_board_not_available',
+        'communication_circuit_board_sw_must_be_updated',
+        'complex_working_area',
+        'connection_changed',
+        'connection_not_changed',
+        'connectivity_problem',
+        'connectivity_settings_restored',
+        'cutting_drive_motor_1_defect',
+        'cutting_drive_motor_2_defect',
+        'cutting_drive_motor_3_defect',
+        'cutting_height_blocked',
+        'cutting_height_problem',
+        'cutting_height_problem_curr',
+        'cutting_height_problem_dir',
+        'cutting_height_problem_drive',
+        'cutting_motor_problem',
+        'cutting_stopped_slope_too_steep',
+        'cutting_system_blocked',
+        'cutting_system_imbalance_warning',
+        'cutting_system_major_imbalance',
+        'destination_not_reachable',
+        'difficult_finding_home',
+        'docking_sensor_defect',
+        'electronic_problem',
+        'empty_battery',
+        'folding_cutting_deck_sensor_defect',
+        'folding_sensor_activated',
+        'geofence_problem',
+        'gps_navigation_problem',
+        'guide_1_not_found',
+        'guide_2_not_found',
+        'guide_3_not_found',
+        'guide_calibration_accomplished',
+        'guide_calibration_failed',
+        'high_charging_power_loss',
+        'high_internal_power_loss',
+        'high_internal_temperature',
+        'internal_voltage_error',
+        'invalid_battery_combination_invalid_combination_of_different_battery_types',
+        'invalid_sub_device_combination',
+        'invalid_system_configuration',
+        'left_brush_motor_overloaded',
+        'lift_sensor_defect',
+        'lifted',
+        'limited_cutting_height_range',
+        'loop_sensor_defect',
+        'loop_sensor_problem_front',
+        'loop_sensor_problem_left',
+        'loop_sensor_problem_rear',
+        'loop_sensor_problem_right',
+        'low_battery',
+        'memory_circuit_problem',
+        'mower_lifted',
+        'mower_tilted',
+        'no_accurate_position_from_satellites',
+        'no_confirmed_position',
+        'no_drive',
+        'no_loop_signal',
+        'no_power_in_charging_station',
+        'no_response_from_charger',
+        'outside_working_area',
+        'poor_signal_quality',
+        'reference_station_communication_problem',
+        'right_brush_motor_overloaded',
+        'safety_function_faulty',
+        'settings_restored',
+        'sim_card_locked',
+        'sim_card_not_found',
+        'sim_card_requires_pin',
+        'slipped_mower_has_slipped_situation_not_solved_with_moving_pattern',
+        'slope_too_steep',
+        'sms_could_not_be_sent',
+        'stop_button_problem',
+        'stuck_in_charging_station',
+        'switch_cord_problem',
+        'temporary_battery_problem',
+        'tilt_sensor_problem',
+        'too_high_discharge_current',
+        'too_high_internal_current',
+        'trapped',
+        'ultrasonic_problem',
+        'ultrasonic_sensor_1_defect',
+        'ultrasonic_sensor_2_defect',
+        'ultrasonic_sensor_3_defect',
+        'ultrasonic_sensor_4_defect',
+        'unexpected_cutting_height_adj',
+        'unexpected_error',
+        'upside_down',
+        'weak_gps_signal',
+        'wheel_drive_problem_left',
+        'wheel_drive_problem_rear_left',
+        'wheel_drive_problem_rear_right',
+        'wheel_drive_problem_right',
+        'wheel_motor_blocked_left',
+        'wheel_motor_blocked_rear_left',
+        'wheel_motor_blocked_rear_right',
+        'wheel_motor_blocked_right',
+        'wheel_motor_overloaded_left',
+        'wheel_motor_overloaded_rear_left',
+        'wheel_motor_overloaded_rear_right',
+        'wheel_motor_overloaded_right',
+        'work_area_not_valid',
+        'wrong_loop_signal',
+        'wrong_pin_code',
+        'zone_generator_problem',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'event',
+    'entity_category': None,
+    'entity_id': 'event.test_mower_1_message',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Message',
+    'platform': 'husqvarna_automower',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'message',
+    'unique_id': 'c7233734-b219-4287-a173-08e3643f89f0_message',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_event_snapshot[event.test_mower_1_message-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'date_time': HAFakeDatetime(2025, 7, 13, 15, 30, tzinfo=datetime.timezone.utc),
+      'event_type': 'wheel_motor_overloaded_rear_left',
+      'event_types': list([
+        'alarm_mower_in_motion',
+        'alarm_mower_lifted',
+        'alarm_mower_stopped',
+        'alarm_mower_switched_off',
+        'alarm_mower_tilted',
+        'alarm_outside_geofence',
+        'angular_sensor_problem',
+        'battery_problem',
+        'battery_restriction_due_to_ambient_temperature',
+        'can_error',
+        'charging_current_too_high',
+        'charging_station_blocked',
+        'charging_system_problem',
+        'collision_sensor_defect',
+        'collision_sensor_error',
+        'collision_sensor_problem_front',
+        'collision_sensor_problem_rear',
+        'com_board_not_available',
+        'communication_circuit_board_sw_must_be_updated',
+        'complex_working_area',
+        'connection_changed',
+        'connection_not_changed',
+        'connectivity_problem',
+        'connectivity_settings_restored',
+        'cutting_drive_motor_1_defect',
+        'cutting_drive_motor_2_defect',
+        'cutting_drive_motor_3_defect',
+        'cutting_height_blocked',
+        'cutting_height_problem',
+        'cutting_height_problem_curr',
+        'cutting_height_problem_dir',
+        'cutting_height_problem_drive',
+        'cutting_motor_problem',
+        'cutting_stopped_slope_too_steep',
+        'cutting_system_blocked',
+        'cutting_system_imbalance_warning',
+        'cutting_system_major_imbalance',
+        'destination_not_reachable',
+        'difficult_finding_home',
+        'docking_sensor_defect',
+        'electronic_problem',
+        'empty_battery',
+        'folding_cutting_deck_sensor_defect',
+        'folding_sensor_activated',
+        'geofence_problem',
+        'gps_navigation_problem',
+        'guide_1_not_found',
+        'guide_2_not_found',
+        'guide_3_not_found',
+        'guide_calibration_accomplished',
+        'guide_calibration_failed',
+        'high_charging_power_loss',
+        'high_internal_power_loss',
+        'high_internal_temperature',
+        'internal_voltage_error',
+        'invalid_battery_combination_invalid_combination_of_different_battery_types',
+        'invalid_sub_device_combination',
+        'invalid_system_configuration',
+        'left_brush_motor_overloaded',
+        'lift_sensor_defect',
+        'lifted',
+        'limited_cutting_height_range',
+        'loop_sensor_defect',
+        'loop_sensor_problem_front',
+        'loop_sensor_problem_left',
+        'loop_sensor_problem_rear',
+        'loop_sensor_problem_right',
+        'low_battery',
+        'memory_circuit_problem',
+        'mower_lifted',
+        'mower_tilted',
+        'no_accurate_position_from_satellites',
+        'no_confirmed_position',
+        'no_drive',
+        'no_loop_signal',
+        'no_power_in_charging_station',
+        'no_response_from_charger',
+        'outside_working_area',
+        'poor_signal_quality',
+        'reference_station_communication_problem',
+        'right_brush_motor_overloaded',
+        'safety_function_faulty',
+        'settings_restored',
+        'sim_card_locked',
+        'sim_card_not_found',
+        'sim_card_requires_pin',
+        'slipped_mower_has_slipped_situation_not_solved_with_moving_pattern',
+        'slope_too_steep',
+        'sms_could_not_be_sent',
+        'stop_button_problem',
+        'stuck_in_charging_station',
+        'switch_cord_problem',
+        'temporary_battery_problem',
+        'tilt_sensor_problem',
+        'too_high_discharge_current',
+        'too_high_internal_current',
+        'trapped',
+        'ultrasonic_problem',
+        'ultrasonic_sensor_1_defect',
+        'ultrasonic_sensor_2_defect',
+        'ultrasonic_sensor_3_defect',
+        'ultrasonic_sensor_4_defect',
+        'unexpected_cutting_height_adj',
+        'unexpected_error',
+        'upside_down',
+        'weak_gps_signal',
+        'wheel_drive_problem_left',
+        'wheel_drive_problem_rear_left',
+        'wheel_drive_problem_rear_right',
+        'wheel_drive_problem_right',
+        'wheel_motor_blocked_left',
+        'wheel_motor_blocked_rear_left',
+        'wheel_motor_blocked_rear_right',
+        'wheel_motor_blocked_right',
+        'wheel_motor_overloaded_left',
+        'wheel_motor_overloaded_rear_left',
+        'wheel_motor_overloaded_rear_right',
+        'wheel_motor_overloaded_right',
+        'work_area_not_valid',
+        'wrong_loop_signal',
+        'wrong_pin_code',
+        'zone_generator_problem',
+      ]),
+      'friendly_name': 'Test Mower 1 Message',
+      'latitude': 49.0,
+      'longitude': 10.0,
+      'severity': <Severity.ERROR: 'error'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'event.test_mower_1_message',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '2023-06-05T12:00:00.000+00:00',
+  })
+# ---

tests/components/husqvarna_automower/test_event.py

@@ -0,0 +1,206 @@
+"""Tests for init module."""
+
+from collections.abc import Callable
+from copy import deepcopy
+from datetime import UTC, datetime
+from unittest.mock import AsyncMock, patch
+
+from aioautomower.model import MowerAttributes, SingleMessageData
+from aioautomower.model.model_message import Message, Severity, SingleMessageAttributes
+from freezegun.api import FrozenDateTimeFactory
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.event import ATTR_EVENT_TYPE
+from homeassistant.components.husqvarna_automower.coordinator import SCAN_INTERVAL
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers.entity_registry import EntityRegistry
+
+from . import setup_integration
+from .const import TEST_MOWER_ID
+
+from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform
+
+
+@pytest.mark.freeze_time(datetime(2023, 6, 5, 12))
+async def test_event(
+    hass: HomeAssistant,
+    entity_registry: EntityRegistry,
+    mock_automower_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    freezer: FrozenDateTimeFactory,
+    values: dict[str, MowerAttributes],
+) -> None:
+    """Test that a new message arriving over the websocket creates and updates the sensor."""
+    callbacks: list[Callable[[SingleMessageData], None]] = []
+
+    @callback
+    def fake_register_websocket_response(
+        cb: Callable[[SingleMessageData], None],
+    ) -> None:
+        callbacks.append(cb)
+
+    mock_automower_client.register_single_message_callback.side_effect = (
+        fake_register_websocket_response
+    )
+
+    # Set up integration
+    await setup_integration(hass, mock_config_entry)
+    await hass.async_block_till_done()
+
+    # Ensure callback was registered for the test mower
+    assert mock_automower_client.register_single_message_callback.called
+
+    # Check initial state (event entity not available yet)
+    state = hass.states.get("event.test_mower_1_message")
+    assert state is None
+
+    # Simulate a new message for this mower and check entity creation
+    message = SingleMessageData(
+        type="messages",
+        id=TEST_MOWER_ID,
+        attributes=SingleMessageAttributes(
+            message=Message(
+                time=datetime(2025, 7, 13, 15, 30, tzinfo=UTC),
+                code="wheel_motor_overloaded_rear_left",
+                severity=Severity.ERROR,
+                latitude=49.0,
+                longitude=10.0,
+            )
+        ),
+    )
+
+    for cb in callbacks:
+        cb(message)
+    await hass.async_block_till_done()
+    state = hass.states.get("event.test_mower_1_message")
+    assert state is not None
+    assert state.attributes[ATTR_EVENT_TYPE] == "wheel_motor_overloaded_rear_left"
+
+    # Reload the config entry to ensure the entity is created again
+    await hass.config_entries.async_reload(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+    assert mock_config_entry.state is ConfigEntryState.LOADED
+    state = hass.states.get("event.test_mower_1_message")
+    assert state is not None
+    assert state.attributes[ATTR_EVENT_TYPE] == "wheel_motor_overloaded_rear_left"
+
+    # Check updating event with a new message
+    message = SingleMessageData(
+        type="messages",
+        id=TEST_MOWER_ID,
+        attributes=SingleMessageAttributes(
+            message=Message(
+                time=datetime(2025, 7, 13, 16, 00, tzinfo=UTC),
+                code="alarm_mower_lifted",
+                severity=Severity.ERROR,
+                latitude=48.0,
+                longitude=11.0,
+            )
+        ),
+    )
+
+    for cb in callbacks:
+        cb(message)
+    await hass.async_block_till_done()
+    state = hass.states.get("event.test_mower_1_message")
+    assert state is not None
+    assert state.attributes[ATTR_EVENT_TYPE] == "alarm_mower_lifted"
+
+    # Check message for another mower, creates an new entity and dont
+    # change the state of the first entity
+    message = SingleMessageData(
+        type="messages",
+        id="1234",
+        attributes=SingleMessageAttributes(
+            message=Message(
+                time=datetime(2025, 7, 13, 16, 00, tzinfo=UTC),
+                code="battery_problem",
+                severity=Severity.ERROR,
+                latitude=48.0,
+                longitude=11.0,
+            )
+        ),
+    )
+
+    for cb in callbacks:
+        cb(message)
+    await hass.async_block_till_done()
+    entry = entity_registry.async_get("event.test_mower_1_message")
+    assert entry is not None
+    assert state.attributes[ATTR_EVENT_TYPE] == "alarm_mower_lifted"
+    state = hass.states.get("event.test_mower_2_message")
+    assert state is not None
+    assert state.attributes[ATTR_EVENT_TYPE] == "battery_problem"
+
+    # Check event entity is removed, when the mower is removed
+    values_copy = deepcopy(values)
+    values_copy.pop("1234")
+    mock_automower_client.get_status.return_value = values_copy
+    freezer.tick(SCAN_INTERVAL)
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+    state = hass.states.get("event.test_mower_2_message")
+    assert state is None
+    entry = entity_registry.async_get("event.test_mower_2_message")
+    assert entry is None
+
+
+@pytest.mark.freeze_time(datetime(2023, 6, 5, 12))
+async def test_event_snapshot(
+    hass: HomeAssistant,
+    mock_automower_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    freezer: FrozenDateTimeFactory,
+    snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test that a new message arriving over the websocket updates the sensor."""
+    with patch(
+        "homeassistant.components.husqvarna_automower.PLATFORMS",
+        [Platform.EVENT],
+    ):
+        callbacks: list[Callable[[SingleMessageData], None]] = []
+
+        @callback
+        def fake_register_websocket_response(
+            cb: Callable[[SingleMessageData], None],
+        ) -> None:
+            callbacks.append(cb)
+
+        mock_automower_client.register_single_message_callback.side_effect = (
+            fake_register_websocket_response
+        )
+
+        # Set up integration
+        await setup_integration(hass, mock_config_entry)
+        await hass.async_block_till_done()
+
+        # Ensure callback was registered for the test mower
+        assert mock_automower_client.register_single_message_callback.called
+
+        # Simulate a new message for this mower
+        message = SingleMessageData(
+            type="messages",
+            id=TEST_MOWER_ID,
+            attributes=SingleMessageAttributes(
+                message=Message(
+                    time=datetime(2025, 7, 13, 15, 30, tzinfo=UTC),
+                    code="wheel_motor_overloaded_rear_left",
+                    severity=Severity.ERROR,
+                    latitude=49.0,
+                    longitude=10.0,
+                )
+            ),
+        )
+
+        for cb in callbacks:
+            cb(message)
+        await hass.async_block_till_done()
+
+        await snapshot_platform(
+            hass, entity_registry, snapshot, mock_config_entry.entry_id
+        )