Add ability to remove Litter-Robot if no longer provided by integration (#97702)

tests/components/litterrobot/test_init.py

@@ -1,5 +1,5 @@
 """Test Litter-Robot setup process."""
-from unittest.mock import patch
+from unittest.mock import MagicMock, patch
 
 from pylitterbot.exceptions import LitterRobotException, LitterRobotLoginException
 import pytest
@@ -13,14 +13,18 @@ from homeassistant.components.vacuum import (
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.const import ATTR_ENTITY_ID
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+from homeassistant.helpers.entity_registry import EntityRegistry
+from homeassistant.setup import async_setup_component
 
-from .common import CONFIG, VACUUM_ENTITY_ID
+from .common import CONFIG, VACUUM_ENTITY_ID, remove_device
 from .conftest import setup_integration
 
 from tests.common import MockConfigEntry
+from tests.typing import WebSocketGenerator
 
 
-async def test_unload_entry(hass: HomeAssistant, mock_account) -> None:
+async def test_unload_entry(hass: HomeAssistant, mock_account: MagicMock) -> None:
     """Test being able to unload an entry."""
     entry = await setup_integration(hass, mock_account, VACUUM_DOMAIN)
 
@@ -49,7 +53,9 @@ async def test_unload_entry(hass: HomeAssistant, mock_account) -> None:
     ),
 )
 async def test_entry_not_setup(
-    hass: HomeAssistant, side_effect, expected_state
+    hass: HomeAssistant,
+    side_effect: LitterRobotException,
+    expected_state: ConfigEntryState,
 ) -> None:
     """Test being able to handle config entry not setup."""
     entry = MockConfigEntry(
@@ -64,3 +70,35 @@ async def test_entry_not_setup(
     ):
         await hass.config_entries.async_setup(entry.entry_id)
         assert entry.state is expected_state
+
+
+async def test_device_remove_devices(
+    hass: HomeAssistant, hass_ws_client: WebSocketGenerator, mock_account: MagicMock
+) -> None:
+    """Test we can only remove a device that no longer exists."""
+    assert await async_setup_component(hass, "config", {})
+    config_entry = await setup_integration(hass, mock_account, VACUUM_DOMAIN)
+
+    registry: EntityRegistry = er.async_get(hass)
+    entity = registry.entities[VACUUM_ENTITY_ID]
+    assert entity.unique_id == "LR3C012345-litter_box"
+
+    device_registry = dr.async_get(hass)
+    device_entry = device_registry.async_get(entity.device_id)
+    assert (
+        await remove_device(
+            await hass_ws_client(hass), device_entry.id, config_entry.entry_id
+        )
+        is False
+    )
+
+    dead_device_entry = device_registry.async_get_or_create(
+        config_entry_id=config_entry.entry_id,
+        identifiers={(litterrobot.DOMAIN, "test-serial", "remove-serial")},
+    )
+    assert (
+        await remove_device(
+            await hass_ws_client(hass), dead_device_entry.id, config_entry.entry_id
+        )
+        is True
+    )