Pooldose: Add select platform (#159240)

homeassistant/components/pooldose/__init__.py

@@ -20,6 +20,7 @@ _LOGGER = logging.getLogger(__name__)
 PLATFORMS: list[Platform] = [
     Platform.BINARY_SENSOR,
     Platform.NUMBER,
+    Platform.SELECT,
     Platform.SENSOR,
     Platform.SWITCH,
 ]

homeassistant/components/pooldose/const.py

@@ -7,15 +7,16 @@ from homeassistant.const import UnitOfTemperature, UnitOfVolume, UnitOfVolumeFlo
 DOMAIN = "pooldose"
 MANUFACTURER = "SEKO"
 
-# Mapping of device units (upper case) to Home Assistant units
+# Unit mappings for select entities (water meter and flow rate)
+# Keys match API values exactly: lowercase for m3/m3/h, uppercase L for L/L/s
 UNIT_MAPPING: dict[str, str] = {
     # Temperature units
     "°C": UnitOfTemperature.CELSIUS,
     "°F": UnitOfTemperature.FAHRENHEIT,
     # Volume flow rate units
-    "M3/H": UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+    "m3/h": UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
-    "L/S": UnitOfVolumeFlowRate.LITERS_PER_SECOND,
+    "L/s": UnitOfVolumeFlowRate.LITERS_PER_SECOND,
     # Volume units
     "L": UnitOfVolume.LITERS,
-    "M3": UnitOfVolume.CUBIC_METERS,
+    "m3": UnitOfVolume.CUBIC_METERS,
 }

homeassistant/components/pooldose/icons.json

@@ -97,6 +97,32 @@
         "default": "mdi:ph"
       }
     },
+    "select": {
+      "cl_type_dosing_method": {
+        "default": "mdi:beaker"
+      },
+      "cl_type_dosing_set": {
+        "default": "mdi:pool"
+      },
+      "flow_rate_unit": {
+        "default": "mdi:pipe-valve"
+      },
+      "orp_type_dosing_method": {
+        "default": "mdi:beaker"
+      },
+      "orp_type_dosing_set": {
+        "default": "mdi:water-check"
+      },
+      "ph_type_dosing_method": {
+        "default": "mdi:beaker"
+      },
+      "ph_type_dosing_set": {
+        "default": "mdi:ph"
+      },
+      "water_meter_unit": {
+        "default": "mdi:water"
+      }
+    },
     "sensor": {
       "cl": {
         "default": "mdi:pool"

homeassistant/components/pooldose/select.py

@@ -0,0 +1,160 @@
+"""Select entities for the Seko PoolDose integration."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+import logging
+from typing import TYPE_CHECKING, Any, cast
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.const import EntityCategory, UnitOfVolume, UnitOfVolumeFlowRate
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import PooldoseConfigEntry
+from .const import UNIT_MAPPING
+from .entity import PooldoseEntity
+
+if TYPE_CHECKING:
+    from .coordinator import PooldoseCoordinator
+
+_LOGGER = logging.getLogger(__name__)
+
+
+@dataclass(frozen=True, kw_only=True)
+class PooldoseSelectEntityDescription(SelectEntityDescription):
+    """Describes PoolDose select entity."""
+
+    use_unit_conversion: bool = False
+
+
+SELECT_DESCRIPTIONS: tuple[PooldoseSelectEntityDescription, ...] = (
+    PooldoseSelectEntityDescription(
+        key="water_meter_unit",
+        translation_key="water_meter_unit",
+        entity_category=EntityCategory.CONFIG,
+        entity_registry_enabled_default=False,
+        options=[UnitOfVolume.LITERS, UnitOfVolume.CUBIC_METERS],
+        use_unit_conversion=True,
+    ),
+    PooldoseSelectEntityDescription(
+        key="flow_rate_unit",
+        translation_key="flow_rate_unit",
+        entity_category=EntityCategory.CONFIG,
+        entity_registry_enabled_default=False,
+        options=[
+            UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+            UnitOfVolumeFlowRate.LITERS_PER_SECOND,
+        ],
+        use_unit_conversion=True,
+    ),
+    PooldoseSelectEntityDescription(
+        key="ph_type_dosing_set",
+        translation_key="ph_type_dosing_set",
+        entity_category=EntityCategory.CONFIG,
+        options=["alcalyne", "acid"],
+    ),
+    PooldoseSelectEntityDescription(
+        key="ph_type_dosing_method",
+        translation_key="ph_type_dosing_method",
+        entity_category=EntityCategory.CONFIG,
+        options=["off", "proportional", "on_off", "timed"],
+        entity_registry_enabled_default=False,
+    ),
+    PooldoseSelectEntityDescription(
+        key="orp_type_dosing_set",
+        translation_key="orp_type_dosing_set",
+        entity_category=EntityCategory.CONFIG,
+        options=["low", "high"],
+        entity_registry_enabled_default=False,
+    ),
+    PooldoseSelectEntityDescription(
+        key="orp_type_dosing_method",
+        translation_key="orp_type_dosing_method",
+        entity_category=EntityCategory.CONFIG,
+        options=["off", "proportional", "on_off", "timed"],
+        entity_registry_enabled_default=False,
+    ),
+    PooldoseSelectEntityDescription(
+        key="cl_type_dosing_set",
+        translation_key="cl_type_dosing_set",
+        entity_category=EntityCategory.CONFIG,
+        options=["low", "high"],
+        entity_registry_enabled_default=False,
+    ),
+    PooldoseSelectEntityDescription(
+        key="cl_type_dosing_method",
+        translation_key="cl_type_dosing_method",
+        entity_category=EntityCategory.CONFIG,
+        options=["off", "proportional", "on_off", "timed"],
+        entity_registry_enabled_default=False,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: PooldoseConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up PoolDose select entities from a config entry."""
+    if TYPE_CHECKING:
+        assert config_entry.unique_id is not None
+
+    coordinator = config_entry.runtime_data
+    select_data = coordinator.data["select"]
+    serial_number = config_entry.unique_id
+
+    async_add_entities(
+        PooldoseSelect(coordinator, serial_number, coordinator.device_info, description)
+        for description in SELECT_DESCRIPTIONS
+        if description.key in select_data
+    )
+
+
+class PooldoseSelect(PooldoseEntity, SelectEntity):
+    """Select entity for the Seko PoolDose Python API."""
+
+    entity_description: PooldoseSelectEntityDescription
+
+    def __init__(
+        self,
+        coordinator: PooldoseCoordinator,
+        serial_number: str,
+        device_info: Any,
+        description: PooldoseSelectEntityDescription,
+    ) -> None:
+        """Initialize the select."""
+        super().__init__(coordinator, serial_number, device_info, description, "select")
+        self._async_update_attrs()
+
+    def _handle_coordinator_update(self) -> None:
+        """Handle updated data from the coordinator."""
+        self._async_update_attrs()
+        super()._handle_coordinator_update()
+
+    def _async_update_attrs(self) -> None:
+        """Update select attributes."""
+        data = cast(dict, self.get_data())
+        api_value = cast(str, data["value"])
+
+        # Convert API value to Home Assistant unit if unit conversion is enabled
+        if self.entity_description.use_unit_conversion:
+            # Map API value (e.g., "m3") to HA unit (e.g., "m³")
+            self._attr_current_option = UNIT_MAPPING.get(api_value, api_value)
+        else:
+            self._attr_current_option = api_value
+
+    async def async_select_option(self, option: str) -> None:
+        """Change the selected option."""
+        # Convert Home Assistant unit to API value if unit conversion is enabled
+        if self.entity_description.use_unit_conversion:
+            # Invert UNIT_MAPPING to get API value from HA unit
+            reverse_map = {v: k for k, v in UNIT_MAPPING.items()}
+            api_value = reverse_map.get(option, option)
+        else:
+            api_value = option
+
+        await self.coordinator.client.set_select(self.entity_description.key, api_value)
+        self._attr_current_option = option
+        self.async_write_ha_state()

homeassistant/components/pooldose/sensor.py

@@ -32,14 +32,14 @@ _LOGGER = logging.getLogger(__name__)
 class PooldoseSensorEntityDescription(SensorEntityDescription):
     """Describes PoolDose sensor entity."""
 
-    use_dynamic_unit: bool = False
+    use_unit_conversion: bool = False
 
 
 SENSOR_DESCRIPTIONS: tuple[PooldoseSensorEntityDescription, ...] = (
     PooldoseSensorEntityDescription(
         key="temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
-        use_dynamic_unit=True,
+        use_unit_conversion=True,
     ),
     PooldoseSensorEntityDescription(key="ph", device_class=SensorDeviceClass.PH),
     PooldoseSensorEntityDescription(
@@ -57,14 +57,14 @@ SENSOR_DESCRIPTIONS: tuple[PooldoseSensorEntityDescription, ...] = (
         key="flow_rate",
         translation_key="flow_rate",
         device_class=SensorDeviceClass.VOLUME_FLOW_RATE,
-        use_dynamic_unit=True,
+        use_unit_conversion=True,
     ),
     PooldoseSensorEntityDescription(
         key="water_meter_total_permanent",
         translation_key="water_meter_total_permanent",
         device_class=SensorDeviceClass.VOLUME,
         state_class=SensorStateClass.TOTAL_INCREASING,
-        use_dynamic_unit=True,
+        use_unit_conversion=True,
     ),
     PooldoseSensorEntityDescription(
         key="ph_type_dosing",
@@ -227,12 +227,12 @@ class PooldoseSensor(PooldoseEntity, SensorEntity):
     def native_unit_of_measurement(self) -> str | None:
         """Return the unit of measurement."""
         if (
-            self.entity_description.use_dynamic_unit
+            self.entity_description.use_unit_conversion
             and (data := self.get_data()) is not None
             and (device_unit := data.get("unit"))
         ):
-            # Map device unit (upper case) to Home Assistant unit, return None if unknown
+            # Map device unit to Home Assistant unit, return None if unknown
-            return UNIT_MAPPING.get(device_unit.upper())
+            return UNIT_MAPPING.get(device_unit)
 
         # Fall back to static unit from entity description
         return super().native_unit_of_measurement

homeassistant/components/pooldose/strings.json

@@ -97,6 +97,62 @@
         "name": "pH target"
       }
     },
+    "select": {
+      "cl_type_dosing_method": {
+        "name": "Chlorine dosing method",
+        "state": {
+          "off": "[%key:common::state::off%]",
+          "on_off": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::on_off%]",
+          "proportional": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::proportional%]",
+          "timed": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::timed%]"
+        }
+      },
+      "cl_type_dosing_set": {
+        "name": "Chlorine dosing set",
+        "state": {
+          "high": "[%key:common::state::high%]",
+          "low": "[%key:common::state::low%]"
+        }
+      },
+      "flow_rate_unit": {
+        "name": "Flow rate unit"
+      },
+      "orp_type_dosing_method": {
+        "name": "ORP dosing method",
+        "state": {
+          "off": "[%key:common::state::off%]",
+          "on_off": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::on_off%]",
+          "proportional": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::proportional%]",
+          "timed": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::timed%]"
+        }
+      },
+      "orp_type_dosing_set": {
+        "name": "ORP dosing set",
+        "state": {
+          "high": "[%key:common::state::high%]",
+          "low": "[%key:common::state::low%]"
+        }
+      },
+      "ph_type_dosing_method": {
+        "name": "pH dosing method",
+        "state": {
+          "off": "[%key:common::state::off%]",
+          "on_off": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::on_off%]",
+          "proportional": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::proportional%]",
+          "timed": "[%key:component::pooldose::entity::sensor::peristaltic_ph_dosing::state::timed%]"
+        }
+      },
+      "ph_type_dosing_set": {
+        "name": "pH dosing set",
+        "state": {
+          "acid": "Acid (pH-)",
+          "alcalyne": "Alkaline (pH+)"
+        }
+      },
+      "water_meter_unit": {
+        "name": "Water meter unit"
+      }
+    },
     "sensor": {
       "cl": {
         "name": "Chlorine"

tests/components/pooldose/conftest.py

@@ -60,6 +60,7 @@ def mock_pooldose_client(device_info: dict[str, Any]) -> Generator[MagicMock]:
         )
 
         client.set_switch = AsyncMock(return_value=RequestStatus.SUCCESS)
+        client.set_select = AsyncMock(return_value=RequestStatus.SUCCESS)
         client.is_connected = True
         yield client
 

tests/components/pooldose/fixtures/instantvalues.json

@@ -18,7 +18,7 @@
     },
     "flow_rate": {
       "value": 150,
-      "unit": "l/s"
+      "unit": "L/s"
     },
     "ph_type_dosing": {
       "value": "alcalyne",
@@ -198,7 +198,28 @@
   },
   "select": {
     "water_meter_unit": {
-      "value": "m³"
+      "value": "m3"
+    },
+    "flow_rate_unit": {
+      "value": "L/s"
+    },
+    "ph_type_dosing_set": {
+      "value": "acid"
+    },
+    "ph_type_dosing_method": {
+      "value": "proportional"
+    },
+    "orp_type_dosing_set": {
+      "value": "low"
+    },
+    "orp_type_dosing_method": {
+      "value": "on_off"
+    },
+    "cl_type_dosing_set": {
+      "value": "high"
+    },
+    "cl_type_dosing_method": {
+      "value": "timed"
     }
   }
 }

tests/components/pooldose/snapshots/test_select.ambr

@@ -0,0 +1,469 @@
+# serializer version: 1
+# name: test_all_selects[select.pool_device_chlorine_dosing_method-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_chlorine_dosing_method',
+    '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': 'Chlorine dosing method',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'cl_type_dosing_method',
+    'unique_id': 'TEST123456789_cl_type_dosing_method',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_chlorine_dosing_method-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device Chlorine dosing method',
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_chlorine_dosing_method',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'timed',
+  })
+# ---
+# name: test_all_selects[select.pool_device_chlorine_dosing_set-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'low',
+        'high',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_chlorine_dosing_set',
+    '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': 'Chlorine dosing set',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'cl_type_dosing_set',
+    'unique_id': 'TEST123456789_cl_type_dosing_set',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_chlorine_dosing_set-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device Chlorine dosing set',
+      'options': list([
+        'low',
+        'high',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_chlorine_dosing_set',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'high',
+  })
+# ---
+# name: test_all_selects[select.pool_device_flow_rate_unit-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        <UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR: 'm³/h'>,
+        <UnitOfVolumeFlowRate.LITERS_PER_SECOND: 'L/s'>,
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_flow_rate_unit',
+    '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': 'Flow rate unit',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'flow_rate_unit',
+    'unique_id': 'TEST123456789_flow_rate_unit',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_flow_rate_unit-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device Flow rate unit',
+      'options': list([
+        <UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR: 'm³/h'>,
+        <UnitOfVolumeFlowRate.LITERS_PER_SECOND: 'L/s'>,
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_flow_rate_unit',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'L/s',
+  })
+# ---
+# name: test_all_selects[select.pool_device_orp_dosing_method-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_orp_dosing_method',
+    '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': 'ORP dosing method',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'orp_type_dosing_method',
+    'unique_id': 'TEST123456789_orp_type_dosing_method',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_orp_dosing_method-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device ORP dosing method',
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_orp_dosing_method',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'on_off',
+  })
+# ---
+# name: test_all_selects[select.pool_device_orp_dosing_set-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'low',
+        'high',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_orp_dosing_set',
+    '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': 'ORP dosing set',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'orp_type_dosing_set',
+    'unique_id': 'TEST123456789_orp_type_dosing_set',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_orp_dosing_set-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device ORP dosing set',
+      'options': list([
+        'low',
+        'high',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_orp_dosing_set',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'low',
+  })
+# ---
+# name: test_all_selects[select.pool_device_ph_dosing_method-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_ph_dosing_method',
+    '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': 'pH dosing method',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'ph_type_dosing_method',
+    'unique_id': 'TEST123456789_ph_type_dosing_method',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_ph_dosing_method-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device pH dosing method',
+      'options': list([
+        'off',
+        'proportional',
+        'on_off',
+        'timed',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_ph_dosing_method',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'proportional',
+  })
+# ---
+# name: test_all_selects[select.pool_device_ph_dosing_set-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'alcalyne',
+        'acid',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_ph_dosing_set',
+    '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': 'pH dosing set',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'ph_type_dosing_set',
+    'unique_id': 'TEST123456789_ph_type_dosing_set',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_ph_dosing_set-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device pH dosing set',
+      'options': list([
+        'alcalyne',
+        'acid',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_ph_dosing_set',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'acid',
+  })
+# ---
+# name: test_all_selects[select.pool_device_water_meter_unit-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        <UnitOfVolume.LITERS: 'L'>,
+        <UnitOfVolume.CUBIC_METERS: 'm³'>,
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.pool_device_water_meter_unit',
+    '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': 'Water meter unit',
+    'platform': 'pooldose',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'water_meter_unit',
+    'unique_id': 'TEST123456789_water_meter_unit',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_selects[select.pool_device_water_meter_unit-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Pool Device Water meter unit',
+      'options': list([
+        <UnitOfVolume.LITERS: 'L'>,
+        <UnitOfVolume.CUBIC_METERS: 'm³'>,
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.pool_device_water_meter_unit',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'm³',
+  })
+# ---

tests/components/pooldose/test_select.py

@@ -0,0 +1,242 @@
+"""Tests for the Seko PoolDose select platform."""
+
+from datetime import timedelta
+from unittest.mock import AsyncMock
+
+from freezegun.api import FrozenDateTimeFactory
+from pooldose.request_status import RequestStatus
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.select import DOMAIN as SELECT_DOMAIN
+from homeassistant.const import (
+    ATTR_ENTITY_ID,
+    ATTR_OPTION,
+    Platform,
+    UnitOfVolume,
+    UnitOfVolumeFlowRate,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform
+
+
+@pytest.fixture
+def platforms() -> list[Platform]:
+    """Fixture to specify platforms to test."""
+    return [Platform.SELECT]
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_all_selects(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the Pooldose select entities."""
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_entity_unavailable_no_coordinator_data(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_pooldose_client: AsyncMock,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test select entity becomes unavailable when coordinator has no data."""
+    # Verify entity has a state initially
+    water_meter_state = hass.states.get("select.pool_device_water_meter_unit")
+    assert water_meter_state.state == UnitOfVolume.CUBIC_METERS
+
+    # Update coordinator data to None
+    mock_pooldose_client.instant_values_structured.return_value = (None, None)
+    freezer.tick(timedelta(minutes=5))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    # Check entity becomes unavailable
+    water_meter_state = hass.states.get("select.pool_device_water_meter_unit")
+    assert water_meter_state.state == "unavailable"
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_state_changes(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_pooldose_client: AsyncMock,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test select state changes when coordinator updates."""
+    # Initial state
+    ph_method_state = hass.states.get("select.pool_device_ph_dosing_method")
+    assert ph_method_state.state == "proportional"
+
+    # Update coordinator data with select value changed
+    current_data = mock_pooldose_client.instant_values_structured.return_value[1]
+    updated_data = current_data.copy()
+    updated_data["select"]["ph_type_dosing_method"]["value"] = "timed"
+
+    mock_pooldose_client.instant_values_structured.return_value = (
+        RequestStatus.SUCCESS,
+        updated_data,
+    )
+
+    freezer.tick(timedelta(minutes=5))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    # Check state changed
+    ph_method_state = hass.states.get("select.pool_device_ph_dosing_method")
+    assert ph_method_state.state == "timed"
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_option_unit_conversion(
+    hass: HomeAssistant,
+    mock_pooldose_client: AsyncMock,
+) -> None:
+    """Test selecting an option with unit conversion (HA unit -> API value)."""
+    # Verify initial state is m³ (displayed as Unicode)
+    water_meter_state = hass.states.get("select.pool_device_water_meter_unit")
+    assert water_meter_state.state == UnitOfVolume.CUBIC_METERS
+
+    # Select Liters option
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        "select_option",
+        {
+            ATTR_ENTITY_ID: "select.pool_device_water_meter_unit",
+            ATTR_OPTION: UnitOfVolume.LITERS,
+        },
+        blocking=True,
+    )
+
+    # Verify API was called with "L" (not Unicode)
+    mock_pooldose_client.set_select.assert_called_once_with("water_meter_unit", "L")
+
+    # Verify state updated to L (Unicode)
+    water_meter_state = hass.states.get("select.pool_device_water_meter_unit")
+    assert water_meter_state.state == UnitOfVolume.LITERS
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_option_flow_rate_unit_conversion(
+    hass: HomeAssistant,
+    mock_pooldose_client: AsyncMock,
+) -> None:
+    """Test selecting flow rate unit with conversion."""
+    # Verify initial state
+    flow_rate_state = hass.states.get("select.pool_device_flow_rate_unit")
+    assert flow_rate_state.state == UnitOfVolumeFlowRate.LITERS_PER_SECOND
+
+    # Select cubic meters per hour
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        "select_option",
+        {
+            ATTR_ENTITY_ID: "select.pool_device_flow_rate_unit",
+            ATTR_OPTION: UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+        },
+        blocking=True,
+    )
+
+    # Verify API was called with "m3/h" (not Unicode m³/h)
+    mock_pooldose_client.set_select.assert_called_once_with("flow_rate_unit", "m3/h")
+
+    # Verify state updated to m³/h (with Unicode)
+    flow_rate_state = hass.states.get("select.pool_device_flow_rate_unit")
+    assert flow_rate_state.state == UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR
+
+
+@pytest.mark.usefixtures("init_integration")
+async def test_select_option_no_conversion(
+    hass: HomeAssistant,
+    mock_pooldose_client: AsyncMock,
+) -> None:
+    """Test selecting an option without unit conversion."""
+    # Verify initial state
+    ph_set_state = hass.states.get("select.pool_device_ph_dosing_set")
+    assert ph_set_state.state == "acid"
+
+    # Select alkaline option
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        "select_option",
+        {
+            ATTR_ENTITY_ID: "select.pool_device_ph_dosing_set",
+            ATTR_OPTION: "alcalyne",
+        },
+        blocking=True,
+    )
+
+    # Verify API was called with exact value
+    mock_pooldose_client.set_select.assert_called_once_with(
+        "ph_type_dosing_set", "alcalyne"
+    )
+
+    # Verify state updated
+    ph_set_state = hass.states.get("select.pool_device_ph_dosing_set")
+    assert ph_set_state.state == "alcalyne"
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_dosing_method_options(
+    hass: HomeAssistant,
+    mock_pooldose_client: AsyncMock,
+) -> None:
+    """Test selecting different dosing method options."""
+    # Test ORP dosing method
+    orp_method_state = hass.states.get("select.pool_device_orp_dosing_method")
+    assert orp_method_state.state == "on_off"
+
+    # Change to proportional
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        "select_option",
+        {
+            ATTR_ENTITY_ID: "select.pool_device_orp_dosing_method",
+            ATTR_OPTION: "proportional",
+        },
+        blocking=True,
+    )
+
+    # Verify API call
+    mock_pooldose_client.set_select.assert_called_once_with(
+        "orp_type_dosing_method", "proportional"
+    )
+
+    # Verify state
+    orp_method_state = hass.states.get("select.pool_device_orp_dosing_method")
+    assert orp_method_state.state == "proportional"
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default", "init_integration")
+async def test_select_dosing_set_high_low(
+    hass: HomeAssistant,
+    mock_pooldose_client: AsyncMock,
+) -> None:
+    """Test selecting high/low dosing intensity."""
+    # Chlorine dosing set starts as high in fixture
+    cl_set_state = hass.states.get("select.pool_device_chlorine_dosing_set")
+    assert cl_set_state.state == "high"
+
+    # Change to low
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        "select_option",
+        {
+            ATTR_ENTITY_ID: "select.pool_device_chlorine_dosing_set",
+            ATTR_OPTION: "low",
+        },
+        blocking=True,
+    )
+
+    # Verify API call
+    mock_pooldose_client.set_select.assert_called_once_with("cl_type_dosing_set", "low")
+
+    # Verify state
+    cl_set_state = hass.states.get("select.pool_device_chlorine_dosing_set")
+    assert cl_set_state.state == "low"