Assemble platforms upfront in devolo Home Network (#80126)

* Assemble platforms upfront in devolo Home Network

* Add tests

* Optimize mocks

* Use async_forward_entry_setups

* Adapt tests to newly added switch platform

homeassistant/components/devolo_home_network/__init__.py

@@ -20,8 +20,13 @@
 
 from homeassistant.components import zeroconf
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_IP_ADDRESS, CONF_PASSWORD, EVENT_HOMEASSISTANT_STOP
-from homeassistant.core import Event, HomeAssistant
+from homeassistant.const import (
+    CONF_IP_ADDRESS,
+    CONF_PASSWORD,
+    EVENT_HOMEASSISTANT_STOP,
+    Platform,
+)
+from homeassistant.core import Event, HomeAssistant, callback
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
 from homeassistant.helpers.httpx_client import get_async_client
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
@@ -32,7 +37,6 @@
     DOMAIN,
     LONG_UPDATE_INTERVAL,
     NEIGHBORING_WIFI_NETWORKS,
-    PLATFORMS,
     SHORT_UPDATE_INTERVAL,
     SWITCH_GUEST_WIFI,
     SWITCH_LEDS,
@@ -156,7 +160,7 @@ async def disconnect(event: Event) -> None:
     for coordinator in coordinators.values():
         await coordinator.async_config_entry_first_refresh()
 
-    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+    await hass.config_entries.async_forward_entry_setups(entry, platforms(device))
 
     entry.async_on_unload(
         hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, disconnect)
@@ -167,9 +171,23 @@ async def disconnect(event: Event) -> None:
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
-    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+    device: Device = hass.data[DOMAIN][entry.entry_id]["device"]
+    unload_ok = await hass.config_entries.async_unload_platforms(
+        entry, platforms(device)
+    )
     if unload_ok:
-        await hass.data[DOMAIN][entry.entry_id]["device"].async_disconnect()
+        await device.async_disconnect()
         hass.data[DOMAIN].pop(entry.entry_id)
 
     return unload_ok
+
+
+@callback
+def platforms(device: Device) -> set[Platform]:
+    """Assemble supported platforms."""
+    supported_platforms = {Platform.SENSOR, Platform.SWITCH}
+    if device.plcnet:
+        supported_platforms.add(Platform.BINARY_SENSOR)
+    if device.device and "wifi1" in device.device.features:
+        supported_platforms.add(Platform.DEVICE_TRACKER)
+    return supported_platforms

homeassistant/components/devolo_home_network/binary_sensor.py

@@ -68,15 +68,14 @@ async def async_setup_entry(
     ]["coordinators"]
 
     entities: list[BinarySensorEntity] = []
-    if device.plcnet:
-        entities.append(
-            DevoloBinarySensorEntity(
-                entry,
-                coordinators[CONNECTED_PLC_DEVICES],
-                SENSOR_TYPES[CONNECTED_TO_ROUTER],
-                device,
-            )
+    entities.append(
+        DevoloBinarySensorEntity(
+            entry,
+            coordinators[CONNECTED_PLC_DEVICES],
+            SENSOR_TYPES[CONNECTED_TO_ROUTER],
+            device,
         )
+    )
     async_add_entities(entities)
 
 

homeassistant/components/devolo_home_network/const.py

@@ -9,15 +9,7 @@
     WIFI_VAP_MAIN_AP,
 )
 
-from homeassistant.const import Platform
-
 DOMAIN = "devolo_home_network"
-PLATFORMS = [
-    Platform.BINARY_SENSOR,
-    Platform.DEVICE_TRACKER,
-    Platform.SENSOR,
-    Platform.SWITCH,
-]
 
 PRODUCT = "product"
 SERIAL_NUMBER = "serial_number"

homeassistant/components/devolo_home_network/device_tracker.py

@@ -73,11 +73,10 @@ def restore_entities() -> None:
 
         async_add_entities(missing)
 
-    if device.device and "wifi1" in device.device.features:
-        restore_entities()
-        entry.async_on_unload(
-            coordinators[CONNECTED_WIFI_CLIENTS].async_add_listener(new_device_callback)
-        )
+    restore_entities()
+    entry.async_on_unload(
+        coordinators[CONNECTED_WIFI_CLIENTS].async_add_listener(new_device_callback)
+    )
 
 
 class DevoloScannerEntity(

tests/components/devolo_home_network/conftest.py

@@ -19,6 +19,20 @@ def mock_device():
         yield device
 
 
+@pytest.fixture()
+def mock_repeater_device(mock_device: MockDevice):
+    """Mock connecting to a devolo home network repeater device."""
+    mock_device.plcnet = None
+    yield mock_device
+
+
+@pytest.fixture()
+def mock_nonwifi_device(mock_device: MockDevice):
+    """Mock connecting to a devolo home network device without wifi."""
+    mock_device.device.features = ["reset", "update", "led", "intmtg"]
+    yield mock_device
+
+
 @pytest.fixture(name="info")
 def mock_validate_input():
     """Mock setup entry and user input."""

tests/components/devolo_home_network/test_init.py

@@ -4,10 +4,15 @@
 from devolo_plc_api.exceptions.device import DeviceNotFound
 import pytest
 
+from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR
+from homeassistant.components.device_tracker import DOMAIN as DEVICE_TRACKER
 from homeassistant.components.devolo_home_network.const import DOMAIN
+from homeassistant.components.sensor import DOMAIN as SENSOR
+from homeassistant.components.switch import DOMAIN as SWITCH
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.const import CONF_IP_ADDRESS, EVENT_HOMEASSISTANT_STOP
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import async_get_platforms
 
 from . import configure_integration
 from .const import IP
@@ -73,3 +78,28 @@ async def test_hass_stop(hass: HomeAssistant, mock_device: MockDevice) -> None:
     hass.bus.async_fire(EVENT_HOMEASSISTANT_STOP)
     await hass.async_block_till_done()
     mock_device.async_disconnect.assert_called_once()
+
+
+@pytest.mark.parametrize(
+    "device, expected_platforms",
+    [
+        ["mock_device", (BINARY_SENSOR, DEVICE_TRACKER, SENSOR, SWITCH)],
+        ["mock_repeater_device", (DEVICE_TRACKER, SENSOR, SWITCH)],
+        ["mock_nonwifi_device", (BINARY_SENSOR, SENSOR, SWITCH)],
+    ],
+)
+async def test_platforms(
+    hass: HomeAssistant,
+    device: str,
+    expected_platforms: set[str],
+    request: pytest.FixtureRequest,
+):
+    """Test platform assembly."""
+    request.getfixturevalue(device)
+    entry = configure_integration(hass)
+
+    await hass.config_entries.async_setup(entry.entry_id)
+    await hass.async_block_till_done()
+    platforms = [platform.domain for platform in async_get_platforms(hass, DOMAIN)]
+    assert len(platforms) == len(expected_platforms)
+    assert all(platform in platforms for platform in expected_platforms)