Add select platform to LaMetric (#79803)

homeassistant/components/lametric/const.py

@@ -7,7 +7,13 @@ from typing import Final
 from homeassistant.const import Platform
 
 DOMAIN: Final = "lametric"
-PLATFORMS = [Platform.BUTTON, Platform.NUMBER, Platform.SENSOR, Platform.SWITCH]
+PLATFORMS = [
+    Platform.BUTTON,
+    Platform.NUMBER,
+    Platform.SELECT,
+    Platform.SENSOR,
+    Platform.SWITCH,
+]
 
 LOGGER = logging.getLogger(__package__)
 SCAN_INTERVAL = timedelta(seconds=30)

homeassistant/components/lametric/select.py

@@ -0,0 +1,91 @@
+"""Support for LaMetric selects."""
+from __future__ import annotations
+
+from collections.abc import Awaitable, Callable
+from dataclasses import dataclass
+from typing import Any
+
+from demetriek import BrightnessMode, Device, LaMetricDevice
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import EntityCategory
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .coordinator import LaMetricDataUpdateCoordinator
+from .entity import LaMetricEntity
+
+
+@dataclass
+class LaMetricEntityDescriptionMixin:
+    """Mixin values for LaMetric entities."""
+
+    options: list[str]
+    current_fn: Callable[[Device], str]
+    select_fn: Callable[[LaMetricDevice, str], Awaitable[Any]]
+
+
+@dataclass
+class LaMetricSelectEntityDescription(
+    SelectEntityDescription, LaMetricEntityDescriptionMixin
+):
+    """Class describing LaMetric select entities."""
+
+
+SELECTS = [
+    LaMetricSelectEntityDescription(
+        key="brightness_mode",
+        name="Brightness mode",
+        icon="mdi:brightness-auto",
+        entity_category=EntityCategory.CONFIG,
+        device_class="lametric__brightness_mode",
+        options=["auto", "manual"],
+        current_fn=lambda device: device.display.brightness_mode.value,
+        select_fn=lambda api, opt: api.display(brightness_mode=BrightnessMode(opt)),
+    ),
+]
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up LaMetric select based on a config entry."""
+    coordinator: LaMetricDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities(
+        LaMetricSelectEntity(
+            coordinator=coordinator,
+            description=description,
+        )
+        for description in SELECTS
+    )
+
+
+class LaMetricSelectEntity(LaMetricEntity, SelectEntity):
+    """Representation of a LaMetric select."""
+
+    entity_description: LaMetricSelectEntityDescription
+
+    def __init__(
+        self,
+        coordinator: LaMetricDataUpdateCoordinator,
+        description: LaMetricSelectEntityDescription,
+    ) -> None:
+        """Initiate LaMetric Select."""
+        super().__init__(coordinator)
+        self.entity_description = description
+        self._attr_options = description.options
+        self._attr_unique_id = f"{coordinator.data.serial_number}-{description.key}"
+
+    @property
+    def current_option(self) -> str | None:
+        """Return the selected entity option to represent the entity state."""
+        return self.entity_description.current_fn(self.coordinator.data)
+
+    async def async_select_option(self, option: str) -> None:
+        """Change the selected option."""
+        await self.entity_description.select_fn(self.coordinator.lametric, option)
+        await self.coordinator.async_request_refresh()

homeassistant/components/lametric/strings.select.json

@@ -0,0 +1,8 @@
+{
+  "state": {
+    "lametric__brightness_mode": {
+      "auto": "Automatic",
+      "manual": "Manual"
+    }
+  }
+}

homeassistant/components/lametric/translations/select.en.json

@@ -0,0 +1,8 @@
+{
+    "state": {
+        "lametric__brightness_mode": {
+            "auto": "Automatic",
+            "manual": "Manual"
+        }
+    }
+}

tests/components/lametric/test_select.py

@@ -0,0 +1,71 @@
+"""Tests for the LaMetric select platform."""
+from unittest.mock import MagicMock
+
+from demetriek import BrightnessMode
+
+from homeassistant.components.lametric.const import DOMAIN
+from homeassistant.components.select import (
+    ATTR_OPTIONS,
+    DOMAIN as SELECT_DOMAIN,
+    SERVICE_SELECT_OPTION,
+)
+from homeassistant.const import (
+    ATTR_ENTITY_ID,
+    ATTR_FRIENDLY_NAME,
+    ATTR_ICON,
+    ATTR_OPTION,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+from homeassistant.helpers.entity import EntityCategory
+
+from tests.common import MockConfigEntry
+
+
+async def test_brightness_mode(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_lametric: MagicMock,
+) -> None:
+    """Test the LaMetric brightness mode controls."""
+    device_registry = dr.async_get(hass)
+    entity_registry = er.async_get(hass)
+
+    state = hass.states.get("select.frenck_s_lametric_brightness_mode")
+    assert state
+    assert (
+        state.attributes.get(ATTR_FRIENDLY_NAME) == "Frenck's LaMetric Brightness mode"
+    )
+    assert state.attributes.get(ATTR_ICON) == "mdi:brightness-auto"
+    assert state.attributes.get(ATTR_OPTIONS) == ["auto", "manual"]
+    assert state.state == BrightnessMode.AUTO
+
+    entry = entity_registry.async_get(state.entity_id)
+    assert entry
+    assert entry.device_id
+    assert entry.entity_category is EntityCategory.CONFIG
+    assert entry.unique_id == "SA110405124500W00BS9-brightness_mode"
+
+    device = device_registry.async_get(entry.device_id)
+    assert device
+    assert device.configuration_url is None
+    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.entry_type is None
+    assert device.hw_version is None
+    assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
+    assert device.manufacturer == "LaMetric Inc."
+    assert device.name == "Frenck's LaMetric"
+    assert device.sw_version == "2.2.2"
+
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        SERVICE_SELECT_OPTION,
+        {
+            ATTR_ENTITY_ID: "select.frenck_s_lametric_brightness_mode",
+            ATTR_OPTION: "manual",
+        },
+        blocking=True,
+    )
+
+    assert len(mock_lametric.display.mock_calls) == 1
+    mock_lametric.display.assert_called_once_with(brightness_mode=BrightnessMode.MANUAL)