Add sensor to group (#83186)

homeassistant/components/group/__init__.py

@@ -76,6 +76,7 @@ PLATFORMS = [
     Platform.LOCK,
     Platform.MEDIA_PLAYER,
     Platform.NOTIFY,
+    Platform.SENSOR,
     Platform.SWITCH,
 ]
 

homeassistant/components/group/config_flow.py

@@ -7,7 +7,7 @@ from typing import Any, cast
 
 import voluptuous as vol
 
-from homeassistant.const import CONF_ENTITIES
+from homeassistant.const import CONF_ENTITIES, CONF_TYPE
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import entity_registry as er, selector
 from homeassistant.helpers.schema_config_entry_flow import (
@@ -21,11 +21,21 @@ from homeassistant.helpers.schema_config_entry_flow import (
 
 from . import DOMAIN
 from .binary_sensor import CONF_ALL
-from .const import CONF_HIDE_MEMBERS
+from .const import CONF_HIDE_MEMBERS, CONF_IGNORE_NON_NUMERIC
+
+_STATISTIC_MEASURES = [
+    selector.SelectOptionDict(value="min", label="Minimum"),
+    selector.SelectOptionDict(value="max", label="Maximum"),
+    selector.SelectOptionDict(value="mean", label="Arithmetic mean"),
+    selector.SelectOptionDict(value="median", label="Median"),
+    selector.SelectOptionDict(value="last", label="Most recently updated"),
+    selector.SelectOptionDict(value="range", label="Statistical range"),
+    selector.SelectOptionDict(value="sum", label="Sum"),
+]
 
 
 async def basic_group_options_schema(
-    domain: str, handler: SchemaCommonFlowHandler
+    domain: str | list[str], handler: SchemaCommonFlowHandler
 ) -> vol.Schema:
     """Generate options schema."""
     return vol.Schema(
@@ -39,7 +49,7 @@ async def basic_group_options_schema(
     )
 
 
-def basic_group_config_schema(domain: str) -> vol.Schema:
+def basic_group_config_schema(domain: str | list[str]) -> vol.Schema:
     """Generate config schema."""
     return vol.Schema(
         {
@@ -67,6 +77,32 @@ BINARY_SENSOR_CONFIG_SCHEMA = basic_group_config_schema("binary_sensor").extend(
     }
 )
 
+SENSOR_CONFIG_EXTENDS = {
+    vol.Required(CONF_TYPE): selector.SelectSelector(
+        selector.SelectSelectorConfig(options=_STATISTIC_MEASURES),
+    ),
+}
+SENSOR_OPTIONS = {
+    vol.Optional(CONF_IGNORE_NON_NUMERIC, default=False): selector.BooleanSelector(),
+    vol.Required(CONF_TYPE): selector.SelectSelector(
+        selector.SelectSelectorConfig(options=_STATISTIC_MEASURES),
+    ),
+}
+
+
+async def sensor_options_schema(
+    domain: str, handler: SchemaCommonFlowHandler
+) -> vol.Schema:
+    """Generate options schema."""
+    return (
+        await basic_group_options_schema(["sensor", "number", "input_number"], handler)
+    ).extend(SENSOR_OPTIONS)
+
+
+SENSOR_CONFIG_SCHEMA = basic_group_config_schema(
+    ["sensor", "number", "input_number"]
+).extend(SENSOR_CONFIG_EXTENDS)
+
 
 async def light_switch_options_schema(
     domain: str, handler: SchemaCommonFlowHandler
@@ -88,6 +124,7 @@ GROUP_TYPES = [
     "light",
     "lock",
     "media_player",
+    "sensor",
     "switch",
 ]
 
@@ -139,6 +176,10 @@ CONFIG_FLOW = {
         basic_group_config_schema("media_player"),
         validate_user_input=set_group_type("media_player"),
     ),
+    "sensor": SchemaFlowFormStep(
+        SENSOR_CONFIG_SCHEMA,
+        validate_user_input=set_group_type("sensor"),
+    ),
     "switch": SchemaFlowFormStep(
         basic_group_config_schema("switch"),
         validate_user_input=set_group_type("switch"),
@@ -156,6 +197,7 @@ OPTIONS_FLOW = {
     "media_player": SchemaFlowFormStep(
         partial(basic_group_options_schema, "media_player")
     ),
+    "sensor": SchemaFlowFormStep(partial(sensor_options_schema, "sensor")),
     "switch": SchemaFlowFormStep(partial(light_switch_options_schema, "switch")),
 }
 

homeassistant/components/group/const.py

@@ -1,3 +1,4 @@
 """Constants for the Group integration."""
 
 CONF_HIDE_MEMBERS = "hide_members"
+CONF_IGNORE_NON_NUMERIC = "ignore_non_numeric"

homeassistant/components/group/sensor.py

@@ -0,0 +1,410 @@
+"""This platform allows several sensors to be grouped into one sensor to provide numeric combinations."""
+from __future__ import annotations
+
+from collections.abc import Callable
+from datetime import datetime
+import logging
+import statistics
+from typing import TYPE_CHECKING, Any
+
+import voluptuous as vol
+
+from homeassistant.components.input_number import DOMAIN as INPUT_NUMBER_DOMAIN
+from homeassistant.components.number import DOMAIN as NUMBER_DOMAIN
+from homeassistant.components.sensor import (
+    CONF_STATE_CLASS,
+    DEVICE_CLASSES_SCHEMA,
+    DOMAIN,
+    PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
+    STATE_CLASSES_SCHEMA,
+    SensorDeviceClass,
+    SensorEntity,
+    SensorStateClass,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import (
+    ATTR_ENTITY_ID,
+    CONF_DEVICE_CLASS,
+    CONF_ENTITIES,
+    CONF_NAME,
+    CONF_TYPE,
+    CONF_UNIQUE_ID,
+    CONF_UNIT_OF_MEASUREMENT,
+    STATE_UNAVAILABLE,
+    STATE_UNKNOWN,
+)
+from homeassistant.core import Event, HomeAssistant, State, callback
+from homeassistant.helpers import config_validation as cv, entity_registry as er
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.event import async_track_state_change_event
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType, StateType
+
+from . import GroupEntity
+from .const import CONF_IGNORE_NON_NUMERIC
+
+DEFAULT_NAME = "Sensor Group"
+
+ATTR_MIN_VALUE = "min_value"
+ATTR_MIN_ENTITY_ID = "min_entity_id"
+ATTR_MAX_VALUE = "max_value"
+ATTR_MAX_ENTITY_ID = "max_entity_id"
+ATTR_MEAN = "mean"
+ATTR_MEDIAN = "median"
+ATTR_LAST = "last"
+ATTR_LAST_ENTITY_ID = "last_entity_id"
+ATTR_RANGE = "range"
+ATTR_SUM = "sum"
+SENSOR_TYPES = {
+    ATTR_MIN_VALUE: "min",
+    ATTR_MAX_VALUE: "max",
+    ATTR_MEAN: "mean",
+    ATTR_MEDIAN: "median",
+    ATTR_LAST: "last",
+    ATTR_RANGE: "range",
+    ATTR_SUM: "sum",
+}
+SENSOR_TYPE_TO_ATTR = {v: k for k, v in SENSOR_TYPES.items()}
+
+# No limit on parallel updates to enable a group calling another group
+PARALLEL_UPDATES = 0
+
+PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
+    {
+        vol.Required(CONF_ENTITIES): cv.entities_domain(
+            [DOMAIN, NUMBER_DOMAIN, INPUT_NUMBER_DOMAIN]
+        ),
+        vol.Required(CONF_TYPE): vol.All(cv.string, vol.In(SENSOR_TYPES.values())),
+        vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+        vol.Optional(CONF_UNIQUE_ID): cv.string,
+        vol.Optional(CONF_IGNORE_NON_NUMERIC, default=False): cv.boolean,
+        vol.Optional(CONF_UNIT_OF_MEASUREMENT): str,
+        vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
+        vol.Optional(CONF_STATE_CLASS): STATE_CLASSES_SCHEMA,
+    }
+)
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
+    """Set up the Switch Group platform."""
+    async_add_entities(
+        [
+            SensorGroup(
+                config.get(CONF_UNIQUE_ID),
+                config[CONF_NAME],
+                config[CONF_ENTITIES],
+                config[CONF_IGNORE_NON_NUMERIC],
+                config[CONF_TYPE],
+                config.get(CONF_UNIT_OF_MEASUREMENT),
+                config.get(CONF_STATE_CLASS),
+                config.get(CONF_DEVICE_CLASS),
+            )
+        ]
+    )
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Initialize Switch Group config entry."""
+    registry = er.async_get(hass)
+    entities = er.async_validate_entity_ids(
+        registry, config_entry.options[CONF_ENTITIES]
+    )
+    async_add_entities(
+        [
+            SensorGroup(
+                config_entry.entry_id,
+                config_entry.title,
+                entities,
+                config_entry.options.get(CONF_IGNORE_NON_NUMERIC, True),
+                config_entry.options[CONF_TYPE],
+                None,
+                None,
+                None,
+            )
+        ]
+    )
+
+
+def calc_min(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate min value."""
+    val: float | None = None
+    entity_id: str | None = None
+    for sensor_id, sensor_value, _ in sensor_values:
+        if val is None or val > sensor_value:
+            entity_id, val = sensor_id, sensor_value
+
+    attributes = {ATTR_MIN_ENTITY_ID: entity_id}
+    if TYPE_CHECKING:
+        assert val is not None
+    return attributes, val
+
+
+def calc_max(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate max value."""
+    val: float | None = None
+    entity_id: str | None = None
+    for sensor_id, sensor_value, _ in sensor_values:
+        if val is None or val < sensor_value:
+            entity_id, val = sensor_id, sensor_value
+
+    attributes = {ATTR_MAX_ENTITY_ID: entity_id}
+    if TYPE_CHECKING:
+        assert val is not None
+    return attributes, val
+
+
+def calc_mean(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate mean value."""
+    result = (sensor_value for _, sensor_value, _ in sensor_values)
+
+    value: float = statistics.mean(result)
+    return {}, value
+
+
+def calc_median(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate median value."""
+    result = (sensor_value for _, sensor_value, _ in sensor_values)
+
+    value: float = statistics.median(result)
+    return {}, value
+
+
+def calc_last(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate last value."""
+    last_updated: datetime | None = None
+    last_entity_id: str | None = None
+    for entity_id, state_f, state in sensor_values:
+        if last_updated is None or state.last_updated > last_updated:
+            last_updated = state.last_updated
+            last = state_f
+            last_entity_id = entity_id
+
+    attributes = {ATTR_LAST_ENTITY_ID: last_entity_id}
+    return attributes, last
+
+
+def calc_range(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate range value."""
+    max_result = max((sensor_value for _, sensor_value, _ in sensor_values))
+    min_result = min((sensor_value for _, sensor_value, _ in sensor_values))
+
+    value: float = max_result - min_result
+    return {}, value
+
+
+def calc_sum(
+    sensor_values: list[tuple[str, float, State]]
+) -> tuple[dict[str, str | None], float]:
+    """Calculate a sum of values."""
+    result = 0.0
+    for _, sensor_value, _ in sensor_values:
+        result += sensor_value
+
+    return {}, result
+
+
+CALC_TYPES: dict[
+    str,
+    Callable[[list[tuple[str, float, State]]], tuple[dict[str, str | None], float]],
+] = {
+    "min": calc_min,
+    "max": calc_max,
+    "mean": calc_mean,
+    "median": calc_median,
+    "last": calc_last,
+    "range": calc_range,
+    "sum": calc_sum,
+}
+
+
+class SensorGroup(GroupEntity, SensorEntity):
+    """Representation of a sensor group."""
+
+    _attr_available = False
+    _attr_should_poll = False
+    _attr_icon = "mdi:calculator"
+
+    def __init__(
+        self,
+        unique_id: str | None,
+        name: str,
+        entity_ids: list[str],
+        mode: bool,
+        sensor_type: str,
+        unit_of_measurement: str | None,
+        state_class: SensorStateClass | None,
+        device_class: SensorDeviceClass | None,
+    ) -> None:
+        """Initialize a sensor group."""
+        self._entity_ids = entity_ids
+        self._sensor_type = sensor_type
+        self._attr_state_class = state_class
+        self.calc_state_class: SensorStateClass | None = None
+        self._attr_device_class = device_class
+        self.calc_device_class: SensorDeviceClass | None = None
+        self._attr_native_unit_of_measurement = unit_of_measurement
+        self.calc_unit_of_measurement: str | None = None
+        self._attr_name = name
+        if name == DEFAULT_NAME:
+            self._attr_name = f"{DEFAULT_NAME} {sensor_type}".capitalize()
+        self._attr_extra_state_attributes = {ATTR_ENTITY_ID: entity_ids}
+        self._attr_unique_id = unique_id
+        self.mode = all if mode is False else any
+        self._state_calc: Callable[
+            [list[tuple[str, float, State]]],
+            tuple[dict[str, str | None], float | None],
+        ] = CALC_TYPES[self._sensor_type]
+        self._state_incorrect: set[str] = set()
+        self._extra_state_attribute: dict[str, Any] = {}
+
+    async def async_added_to_hass(self) -> None:
+        """Register callbacks."""
+
+        @callback
+        def async_state_changed_listener(event: Event) -> None:
+            """Handle child updates."""
+            self.async_set_context(event.context)
+            self.async_defer_or_update_ha_state()
+
+        self.async_on_remove(
+            async_track_state_change_event(
+                self.hass, self._entity_ids, async_state_changed_listener
+            )
+        )
+
+        await super().async_added_to_hass()
+
+    @callback
+    def async_update_group_state(self) -> None:
+        """Query all members and determine the sensor group state."""
+        states: list[StateType] = []
+        valid_states: list[bool] = []
+        sensor_values: list[tuple[str, float, State]] = []
+        for entity_id in self._entity_ids:
+            if (state := self.hass.states.get(entity_id)) is not None:
+                states.append(state.state)
+                try:
+                    sensor_values.append((entity_id, float(state.state), state))
+                    if entity_id in self._state_incorrect:
+                        self._state_incorrect.remove(entity_id)
+                except ValueError:
+                    valid_states.append(False)
+                    if entity_id not in self._state_incorrect:
+                        self._state_incorrect.add(entity_id)
+                        _LOGGER.warning(
+                            "Unable to use state. Only numerical states are supported,"
+                            " entity %s with value %s excluded from calculation",
+                            entity_id,
+                            state.state,
+                        )
+                    continue
+                valid_states.append(True)
+
+        # Set group as unavailable if all members do not have numeric values
+        self._attr_available = any(numeric_state for numeric_state in valid_states)
+
+        valid_state = self.mode(
+            state not in (STATE_UNKNOWN, STATE_UNAVAILABLE) for state in states
+        )
+        valid_state_numeric = self.mode(numeric_state for numeric_state in valid_states)
+
+        if not valid_state or not valid_state_numeric:
+            self._attr_native_value = None
+            return
+
+        # Calculate values
+        self._calculate_entity_properties()
+        self._extra_state_attribute, self._attr_native_value = self._state_calc(
+            sensor_values
+        )
+
+    @property
+    def extra_state_attributes(self) -> dict[str, Any]:
+        """Return the state attributes of the sensor."""
+        return {ATTR_ENTITY_ID: self._entity_ids, **self._extra_state_attribute}
+
+    @property
+    def device_class(self) -> SensorDeviceClass | None:
+        """Return device class."""
+        if self._attr_device_class is not None:
+            return self._attr_device_class
+        return self.calc_device_class
+
+    @property
+    def state_class(self) -> SensorStateClass | str | None:
+        """Return state class."""
+        if self._attr_state_class is not None:
+            return self._attr_state_class
+        return self.calc_state_class
+
+    @property
+    def native_unit_of_measurement(self) -> str | None:
+        """Return native unit of measurement."""
+        if self._attr_native_unit_of_measurement is not None:
+            return self._attr_native_unit_of_measurement
+        return self.calc_unit_of_measurement
+
+    def _calculate_entity_properties(self) -> None:
+        """Calculate device_class, state_class and unit of measurement."""
+        device_classes = []
+        state_classes = []
+        unit_of_measurements = []
+
+        if (
+            self._attr_device_class
+            and self._attr_state_class
+            and self._attr_native_unit_of_measurement
+        ):
+            return
+
+        for entity_id in self._entity_ids:
+            if (state := self.hass.states.get(entity_id)) is not None:
+                device_classes.append(state.attributes.get("device_class"))
+                state_classes.append(state.attributes.get("state_class"))
+                unit_of_measurements.append(state.attributes.get("unit_of_measurement"))
+
+        self.calc_device_class = None
+        self.calc_state_class = None
+        self.calc_unit_of_measurement = None
+
+        # Calculate properties and save if all same
+        if (
+            not self._attr_device_class
+            and device_classes
+            and all(x == device_classes[0] for x in device_classes)
+        ):
+            self.calc_device_class = device_classes[0]
+        if (
+            not self._attr_state_class
+            and state_classes
+            and all(x == state_classes[0] for x in state_classes)
+        ):
+            self.calc_state_class = state_classes[0]
+        if (
+            not self._attr_unit_of_measurement
+            and unit_of_measurements
+            and all(x == unit_of_measurements[0] for x in unit_of_measurements)
+        ):
+            self.calc_unit_of_measurement = unit_of_measurements[0]

homeassistant/components/group/strings.json

@@ -12,6 +12,7 @@
           "light": "Light group",
           "lock": "Lock group",
           "media_player": "Media player group",
+          "sensor": "Sensor group",
           "switch": "Switch group"
         }
       },
@@ -65,6 +66,21 @@
           "name": "[%key:component::group::config::step::binary_sensor::data::name%]"
         }
       },
+      "sensor": {
+        "title": "[%key:component::group::config::step::user::title%]",
+        "description": "If \"ignore non-numeric\" is enabled, the group's state is calculated if at least one member has a numerical value. If \"ignore non-numeric\" is disabled, the group's state is calculated only if all group members have numerical values.",
+        "data": {
+          "ignore_non_numeric": "Ignore non-numeric",
+          "entities": "Members",
+          "hide_members": "Hide members",
+          "name": "Name",
+          "type": "Type",
+          "round_digits": "Round value to number of decimals",
+          "device_class": "Device class",
+          "state_class": "State class",
+          "unit_of_measurement": "Unit of Measurement"
+        }
+      },
       "switch": {
         "title": "[%key:component::group::config::step::user::title%]",
         "data": {
@@ -117,6 +133,19 @@
           "hide_members": "[%key:component::group::config::step::binary_sensor::data::hide_members%]"
         }
       },
+      "sensor": {
+        "description": "[%key:component::group::config::step::sensor::description%]",
+        "data": {
+          "ignore_non_numeric": "[%key:component::group::config::step::sensor::data::ignore_non_numeric%]",
+          "entities": "[%key:component::group::config::step::sensor::data::entities%]",
+          "hide_members": "[%key:component::group::config::step::sensor::data::hide_members%]",
+          "type": "[%key:component::group::config::step::sensor::data::type%]",
+          "round_digits": "[%key:component::group::config::step::sensor::data::round_digits%]",
+          "device_class": "[%key:component::group::config::step::sensor::data::device_class%]",
+          "state_class": "[%key:component::group::config::step::sensor::data::state_class%]",
+          "unit_of_measurement": "[%key:component::group::config::step::sensor::data::unit_of_measurement%]"
+        }
+      },
       "switch": {
         "description": "[%key:component::group::config::step::binary_sensor::description%]",
         "data": {

homeassistant/components/group/translations/en.json

@@ -51,6 +51,21 @@
                 },
                 "title": "Add Group"
             },
+            "sensor": {
+                "data": {
+                    "device_class": "Device class",
+                    "entities": "Members",
+                    "hide_members": "Hide members",
+                    "ignore_non_numeric": "Ignore non-numeric",
+                    "name": "Name",
+                    "round_digits": "Round value to number of decimals",
+                    "state_class": "State class",
+                    "type": "Type",
+                    "unit_of_measurement": "Unit of Measurement"
+                },
+                "description": "If \"ignore non-numeric\" is enabled, the group's state is calculated if at least one member has a numerical value. If \"ignore non-numeric\" is disabled, the group's state is calculated only if all group members have numerical values.",
+                "title": "Add Group"
+            },
             "switch": {
                 "data": {
                     "entities": "Members",
@@ -68,6 +83,7 @@
                     "light": "Light group",
                     "lock": "Lock group",
                     "media_player": "Media player group",
+                    "sensor": "Sensor group",
                     "switch": "Switch group"
                 },
                 "title": "Add Group"
@@ -116,6 +132,19 @@
                     "hide_members": "Hide members"
                 }
             },
+            "sensor": {
+                "data": {
+                    "device_class": "Device class",
+                    "entities": "Members",
+                    "hide_members": "Hide members",
+                    "ignore_non_numeric": "Ignore non-numeric",
+                    "round_digits": "Round value to number of decimals",
+                    "state_class": "State class",
+                    "type": "Type",
+                    "unit_of_measurement": "Unit of Measurement"
+                },
+                "description": "If \"ignore non-numeric\" is enabled, the group's state is calculated if at least one member has a numerical value. If \"ignore non-numeric\" is disabled, the group's state is calculated only if all group members have numerical values."
+            },
             "switch": {
                 "data": {
                     "all": "All entities",

tests/components/group/fixtures/sensor_configuration.yaml

@@ -0,0 +1,7 @@
+sensor:
+  - platform: group
+    entities:
+      - sensor.test_1
+      - sensor.test_2
+    name: second_test
+    type: mean

tests/components/group/test_config_flow.py

@@ -22,6 +22,15 @@ from tests.common import MockConfigEntry
         ("light", "on", "on", {}, {}, {}, {}),
         ("lock", "locked", "locked", {}, {}, {}, {}),
         ("media_player", "on", "on", {}, {}, {}, {}),
+        (
+            "sensor",
+            "20.0",
+            "10",
+            {},
+            {"type": "sum"},
+            {"type": "sum"},
+            {},
+        ),
         ("switch", "on", "on", {}, {}, {}, {}),
     ),
 )
@@ -171,19 +180,25 @@ def get_suggested(schema, key):
 
 
 @pytest.mark.parametrize(
-    "group_type,member_state,extra_options",
+    "group_type,member_state,extra_options,options_options",
     (
-        ("binary_sensor", "on", {"all": False}),
-        ("cover", "open", {}),
-        ("fan", "on", {}),
-        ("light", "on", {"all": False}),
-        ("lock", "locked", {}),
-        ("media_player", "on", {}),
-        ("switch", "on", {"all": False}),
+        ("binary_sensor", "on", {"all": False}, {}),
+        ("cover", "open", {}, {}),
+        ("fan", "on", {}, {}),
+        ("light", "on", {"all": False}, {}),
+        ("lock", "locked", {}, {}),
+        ("media_player", "on", {}, {}),
+        (
+            "sensor",
+            "10",
+            {"ignore_non_numeric": False, "type": "sum"},
+            {"ignore_non_numeric": False, "type": "sum"},
+        ),
+        ("switch", "on", {"all": False}, {}),
     ),
 )
 async def test_options(
-    hass: HomeAssistant, group_type, member_state, extra_options
+    hass: HomeAssistant, group_type, member_state, extra_options, options_options
 ) -> None:
     """Test reconfiguring."""
     members1 = [f"{group_type}.one", f"{group_type}.two"]
@@ -226,9 +241,7 @@ async def test_options(
 
     result = await hass.config_entries.options.async_configure(
         result["flow_id"],
-        user_input={
-            "entities": members2,
-        },
+        user_input={"entities": members2, **options_options},
     )
     assert result["type"] == FlowResultType.CREATE_ENTRY
     assert result["data"] == {

tests/components/group/test_init.py

@@ -1429,6 +1429,16 @@ async def test_plant_group(hass):
         ("fan", "on", {}),
         ("light", "on", {"all": False}),
         ("media_player", "on", {}),
+        (
+            "sensor",
+            "1",
+            {
+                "all": True,
+                "type": "max",
+                "round_digits": 2.0,
+                "state_class": "measurement",
+            },
+        ),
     ),
 )
 async def test_setup_and_remove_config_entry(

tests/components/group/test_sensor.py

@@ -0,0 +1,369 @@
+"""The tests for the Group Sensor platform."""
+from __future__ import annotations
+
+import statistics
+from typing import Any
+from unittest.mock import patch
+
+import pytest
+from pytest import LogCaptureFixture
+
+from homeassistant import config as hass_config
+from homeassistant.components.group import DOMAIN as GROUP_DOMAIN
+from homeassistant.components.group.sensor import (
+    ATTR_LAST_ENTITY_ID,
+    ATTR_MAX_ENTITY_ID,
+    ATTR_MIN_ENTITY_ID,
+    DEFAULT_NAME,
+)
+from homeassistant.components.sensor import (
+    ATTR_STATE_CLASS,
+    DOMAIN as SENSOR_DOMAIN,
+    SensorDeviceClass,
+    SensorStateClass,
+)
+from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
+    ATTR_ENTITY_ID,
+    ATTR_UNIT_OF_MEASUREMENT,
+    SERVICE_RELOAD,
+    STATE_UNAVAILABLE,
+    STATE_UNKNOWN,
+)
+from homeassistant.core import HomeAssistant
+import homeassistant.helpers.entity_registry as er
+from homeassistant.setup import async_setup_component
+
+from tests.common import get_fixture_path
+
+VALUES = [17, 20, 15.3]
+VALUES_ERROR = [17, "string", 15.3]
+COUNT = len(VALUES)
+MIN_VALUE = min(VALUES)
+MAX_VALUE = max(VALUES)
+MEAN = statistics.mean(VALUES)
+MEDIAN = statistics.median(VALUES)
+RANGE = max(VALUES) - min(VALUES)
+SUM_VALUE = sum(VALUES)
+
+
+@pytest.mark.parametrize(
+    "sensor_type, result, attributes",
+    [
+        ("min", MIN_VALUE, {ATTR_MIN_ENTITY_ID: "sensor.test_3"}),
+        ("max", MAX_VALUE, {ATTR_MAX_ENTITY_ID: "sensor.test_2"}),
+        ("mean", MEAN, {}),
+        ("median", MEDIAN, {}),
+        ("last", VALUES[2], {ATTR_LAST_ENTITY_ID: "sensor.test_3"}),
+        ("range", RANGE, {}),
+        ("sum", SUM_VALUE, {}),
+    ],
+)
+async def test_sensors(
+    hass: HomeAssistant,
+    sensor_type: str,
+    result: str,
+    attributes: dict[str, Any],
+) -> None:
+    """Test the sensors."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": DEFAULT_NAME,
+            "type": sensor_type,
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id",
+        }
+    }
+
+    entity_ids = config["sensor"]["entities"]
+
+    for entity_id, value in dict(zip(entity_ids, VALUES)).items():
+        hass.states.async_set(
+            entity_id,
+            value,
+            {
+                ATTR_DEVICE_CLASS: SensorDeviceClass.VOLUME,
+                ATTR_STATE_CLASS: SensorStateClass.MEASUREMENT,
+                ATTR_UNIT_OF_MEASUREMENT: "L",
+            },
+        )
+        await hass.async_block_till_done()
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    state = hass.states.get(f"sensor.sensor_group_{sensor_type}")
+
+    assert float(state.state) == pytest.approx(float(result))
+    assert state.attributes.get(ATTR_ENTITY_ID) == entity_ids
+    for key, value in attributes.items():
+        assert state.attributes.get(key) == value
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.VOLUME
+    assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
+    assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == "L"
+
+    entity_reg = er.async_get(hass)
+    entity = entity_reg.async_get(f"sensor.sensor_group_{sensor_type}")
+    assert entity.unique_id == "very_unique_id"
+
+
+async def test_sensors_attributes_defined(hass: HomeAssistant) -> None:
+    """Test the sensors."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": DEFAULT_NAME,
+            "type": "sum",
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id",
+            "device_class": SensorDeviceClass.WATER,
+            "state_class": SensorStateClass.TOTAL_INCREASING,
+            "unit_of_measurement": "m³",
+        }
+    }
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    entity_ids = config["sensor"]["entities"]
+
+    for entity_id, value in dict(zip(entity_ids, VALUES)).items():
+        hass.states.async_set(
+            entity_id,
+            value,
+            {
+                ATTR_DEVICE_CLASS: SensorDeviceClass.VOLUME,
+                ATTR_STATE_CLASS: SensorStateClass.MEASUREMENT,
+                ATTR_UNIT_OF_MEASUREMENT: "L",
+            },
+        )
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.sensor_group_sum")
+
+    assert state.state == str(float(SUM_VALUE))
+    assert state.attributes.get(ATTR_ENTITY_ID) == entity_ids
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.WATER
+    assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.TOTAL_INCREASING
+    assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == "m³"
+
+
+async def test_not_enough_sensor_value(hass: HomeAssistant) -> None:
+    """Test that there is nothing done if not enough values available."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": "test_max",
+            "type": "max",
+            "ignore_non_numeric": True,
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "state_class": SensorStateClass.MEASUREMENT,
+        }
+    }
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    entity_ids = config["sensor"]["entities"]
+
+    hass.states.async_set(entity_ids[0], STATE_UNKNOWN)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_max")
+    assert state.state == STATE_UNAVAILABLE
+    assert state.attributes.get("min_entity_id") is None
+    assert state.attributes.get("max_entity_id") is None
+
+    hass.states.async_set(entity_ids[1], VALUES[1])
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_max")
+    assert state.state not in [STATE_UNAVAILABLE, STATE_UNKNOWN]
+    assert entity_ids[1] == state.attributes.get("max_entity_id")
+
+    hass.states.async_set(entity_ids[2], STATE_UNKNOWN)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_max")
+    assert state.state not in [STATE_UNAVAILABLE, STATE_UNKNOWN]
+    assert entity_ids[1] == state.attributes.get("max_entity_id")
+
+    hass.states.async_set(entity_ids[1], STATE_UNAVAILABLE)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_max")
+    assert state.state == STATE_UNAVAILABLE
+    assert state.attributes.get("min_entity_id") is None
+    assert state.attributes.get("max_entity_id") is None
+
+
+async def test_reload(hass: HomeAssistant) -> None:
+    """Verify we can reload sensors."""
+    hass.states.async_set("sensor.test_1", 12345)
+    hass.states.async_set("sensor.test_2", 45678)
+
+    await async_setup_component(
+        hass,
+        "sensor",
+        {
+            SENSOR_DOMAIN: {
+                "platform": GROUP_DOMAIN,
+                "name": "test_sensor",
+                "type": "mean",
+                "entities": ["sensor.test_1", "sensor.test_2"],
+                "state_class": SensorStateClass.MEASUREMENT,
+            }
+        },
+    )
+    await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 3
+
+    assert hass.states.get("sensor.test_sensor")
+
+    yaml_path = get_fixture_path("sensor_configuration.yaml", "group")
+
+    with patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path):
+        await hass.services.async_call(
+            GROUP_DOMAIN,
+            SERVICE_RELOAD,
+            {},
+            blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 3
+
+    assert hass.states.get("sensor.test_sensor") is None
+    assert hass.states.get("sensor.second_test")
+
+
+async def test_sensor_incorrect_state(
+    hass: HomeAssistant, caplog: LogCaptureFixture
+) -> None:
+    """Test the min sensor."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": "test_failure",
+            "type": "min",
+            "ignore_non_numeric": True,
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id",
+            "state_class": SensorStateClass.MEASUREMENT,
+        }
+    }
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    entity_ids = config["sensor"]["entities"]
+
+    for entity_id, value in dict(zip(entity_ids, VALUES_ERROR)).items():
+        hass.states.async_set(entity_id, value)
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_failure")
+
+    assert state.state == "15.3"
+    assert (
+        "Unable to use state. Only numerical states are supported, entity sensor.test_2 with value string excluded from calculation"
+        in caplog.text
+    )
+
+    for entity_id, value in dict(zip(entity_ids, VALUES)).items():
+        hass.states.async_set(entity_id, value)
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_failure")
+    assert state.state == "15.3"
+
+
+async def test_sensor_require_all_states(hass: HomeAssistant) -> None:
+    """Test the sum sensor with missing state require all."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": "test_sum",
+            "type": "sum",
+            "ignore_non_numeric": False,
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id_sum_sensor",
+            "state_class": SensorStateClass.MEASUREMENT,
+        }
+    }
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    entity_ids = config["sensor"]["entities"]
+
+    for entity_id, value in dict(zip(entity_ids, VALUES_ERROR)).items():
+        hass.states.async_set(entity_id, value)
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_sum")
+
+    assert state.state == STATE_UNKNOWN
+
+
+async def test_sensor_calculated_properties(hass: HomeAssistant) -> None:
+    """Test the sensor calculating device_class, state_class and unit of measurement."""
+    config = {
+        SENSOR_DOMAIN: {
+            "platform": GROUP_DOMAIN,
+            "name": "test_sum",
+            "type": "sum",
+            "entities": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id_sum_sensor",
+        }
+    }
+
+    assert await async_setup_component(hass, "sensor", config)
+    await hass.async_block_till_done()
+
+    entity_ids = config["sensor"]["entities"]
+
+    hass.states.async_set(
+        entity_ids[0],
+        VALUES[0],
+        {
+            "device_class": SensorDeviceClass.ENERGY,
+            "state_class": SensorStateClass.MEASUREMENT,
+            "unit_of_measurement": "kWh",
+        },
+    )
+    hass.states.async_set(
+        entity_ids[1],
+        VALUES[1],
+        {
+            "device_class": SensorDeviceClass.ENERGY,
+            "state_class": SensorStateClass.MEASUREMENT,
+            "unit_of_measurement": "kWh",
+        },
+    )
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_sum")
+    assert state.state == str(float(sum([VALUES[0], VALUES[1]])))
+    assert state.attributes.get("device_class") == "energy"
+    assert state.attributes.get("state_class") == "measurement"
+    assert state.attributes.get("unit_of_measurement") == "kWh"
+
+    hass.states.async_set(
+        entity_ids[2],
+        VALUES[2],
+        {
+            "device_class": SensorDeviceClass.BATTERY,
+            "state_class": SensorStateClass.TOTAL,
+            "unit_of_measurement": None,
+        },
+    )
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.test_sum")
+    assert state.state == str(sum(VALUES))
+    assert state.attributes.get("device_class") is None
+    assert state.attributes.get("state_class") is None
+    assert state.attributes.get("unit_of_measurement") is None