Add scene platform support to Niko Home Control integration (#152712)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

homeassistant/components/niko_home_control/__init__.py

@@ -12,7 +12,7 @@ from homeassistant.helpers import entity_registry as er
 
 from .const import _LOGGER
 
-PLATFORMS: list[Platform] = [Platform.COVER, Platform.LIGHT]
+PLATFORMS: list[Platform] = [Platform.COVER, Platform.LIGHT, Platform.SCENE]
 
 type NikoHomeControlConfigEntry = ConfigEntry[NHCController]
 

homeassistant/components/niko_home_control/scene.py

@@ -0,0 +1,40 @@
+"""Scene Platform for Niko Home Control."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.scene import BaseScene
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import NikoHomeControlConfigEntry
+from .entity import NikoHomeControlEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: NikoHomeControlConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the Niko Home Control scene entry."""
+    controller = entry.runtime_data
+
+    async_add_entities(
+        NikoHomeControlScene(scene, controller, entry.entry_id)
+        for scene in controller.scenes
+    )
+
+
+class NikoHomeControlScene(NikoHomeControlEntity, BaseScene):
+    """Representation of a Niko Home Control Scene."""
+
+    _attr_name = None
+
+    async def _async_activate(self, **kwargs: Any) -> None:
+        """Activate scene. Try to get entities into requested state."""
+        await self._action.activate()
+
+    def update_state(self) -> None:
+        """Update HA state."""
+        self._async_record_activation()

tests/components/niko_home_control/conftest.py

@@ -5,6 +5,7 @@ from unittest.mock import AsyncMock, patch
 
 from nhc.cover import NHCCover
 from nhc.light import NHCLight
+from nhc.scene import NHCScene
 import pytest
 
 from homeassistant.components.niko_home_control.const import DOMAIN
@@ -61,9 +62,21 @@ def cover() -> NHCCover:
     return mock
 
 
+@pytest.fixture
+def scene() -> NHCScene:
+    """Return a scene mock."""
+    mock = AsyncMock(spec=NHCScene)
+    mock.id = 4
+    mock.type = 0
+    mock.name = "scene"
+    mock.suggested_area = "room"
+    mock.state = 0
+    return mock
+
+
 @pytest.fixture
 def mock_niko_home_control_connection(
-    light: NHCLight, dimmable_light: NHCLight, cover: NHCCover
+    light: NHCLight, dimmable_light: NHCLight, cover: NHCCover, scene: NHCScene
 ) -> Generator[AsyncMock]:
     """Mock a NHC client."""
     with (
@@ -79,6 +92,7 @@ def mock_niko_home_control_connection(
         client = mock_client.return_value
         client.lights = [light, dimmable_light]
         client.covers = [cover]
+        client.scenes = [scene]
         client.connect = AsyncMock(return_value=True)
         yield client
 

tests/components/niko_home_control/snapshots/test_scene.ambr

@@ -0,0 +1,49 @@
+# serializer version: 1
+# name: test_entities[scene.scene-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'scene',
+    'entity_category': None,
+    'entity_id': 'scene.scene',
+    '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': None,
+    'platform': 'niko_home_control',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '01JFN93M7KRA38V5AMPCJ2JYYV-4',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_entities[scene.scene-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'scene',
+    }),
+    'context': <ANY>,
+    'entity_id': 'scene.scene',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '2025-10-10T21:00:00+00:00',
+  })
+# ---

tests/components/niko_home_control/test_scene.py

@@ -0,0 +1,82 @@
+"""Tests for the Niko Home Control Scene platform."""
+
+from unittest.mock import AsyncMock, patch
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.scene import DOMAIN as SCENE_DOMAIN
+from homeassistant.const import ATTR_ENTITY_ID, SERVICE_TURN_ON, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import find_update_callback, setup_integration
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+
+@pytest.mark.freeze_time("2025-10-10 21:00:00")
+async def test_entities(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    mock_niko_home_control_connection: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test all entities."""
+    with patch(
+        "homeassistant.components.niko_home_control.PLATFORMS", [Platform.SCENE]
+    ):
+        await setup_integration(hass, mock_config_entry)
+
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+
+@pytest.mark.parametrize("scene_id", [0])
+async def test_activate_scene(
+    hass: HomeAssistant,
+    mock_niko_home_control_connection: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    scene_id: int,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test activating the scene."""
+    await setup_integration(hass, mock_config_entry)
+
+    await hass.services.async_call(
+        SCENE_DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: "scene.scene"},
+        blocking=True,
+    )
+    mock_niko_home_control_connection.scenes[scene_id].activate.assert_called_once()
+
+
+async def test_updating(
+    hass: HomeAssistant,
+    mock_niko_home_control_connection: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    scene: AsyncMock,
+) -> None:
+    """Test scene state recording after activation."""
+    await setup_integration(hass, mock_config_entry)
+
+    # Resolve the created scene entity dynamically
+    entity_entries = er.async_entries_for_config_entry(
+        er.async_get(hass), mock_config_entry.entry_id
+    )
+    scene_entities = [e for e in entity_entries if e.domain == SCENE_DOMAIN]
+    assert scene_entities, "No scene entities registered"
+    entity_id = scene_entities[0].entity_id
+
+    # Capture current state (could be unknown or a timestamp depending on implementation)
+    before = hass.states.get(entity_id)
+    assert before is not None
+
+    # Simulate a device-originated update for the scene (controller callback)
+    await find_update_callback(mock_niko_home_control_connection, scene.id)(0)
+    await hass.async_block_till_done()
+
+    after = hass.states.get(entity_id)
+    assert after is not None
+    assert after.state != before.state