Tolerate integration removed device (#120722)

tests/components/config/test_device_registry.py

@@ -426,3 +426,91 @@ async def test_remove_config_entry_from_device_fails(
     assert not response["success"]
     assert response["error"]["code"] == "home_assistant_error"
     assert response["error"]["message"] == "Integration not found"
+
+
+async def test_remove_config_entry_from_device_if_integration_remove(
+    hass: HomeAssistant,
+    hass_ws_client: WebSocketGenerator,
+    device_registry: dr.DeviceRegistry,
+) -> None:
+    """Test removing config entry from device doesn't lead to an error when the integration removes the entry."""
+    assert await async_setup_component(hass, "config", {})
+    ws_client = await hass_ws_client(hass)
+
+    can_remove = False
+
+    async def async_remove_config_entry_device(hass, config_entry, device_entry):
+        if can_remove:
+            device_registry.async_update_device(
+                device_entry.id, remove_config_entry_id=config_entry.entry_id
+            )
+        return can_remove
+
+    mock_integration(
+        hass,
+        MockModule(
+            "comp1", async_remove_config_entry_device=async_remove_config_entry_device
+        ),
+    )
+    mock_integration(
+        hass,
+        MockModule(
+            "comp2", async_remove_config_entry_device=async_remove_config_entry_device
+        ),
+    )
+
+    entry_1 = MockConfigEntry(
+        domain="comp1",
+        title="Test 1",
+        source="bla",
+    )
+    entry_1.supports_remove_device = True
+    entry_1.add_to_hass(hass)
+
+    entry_2 = MockConfigEntry(
+        domain="comp1",
+        title="Test 1",
+        source="bla",
+    )
+    entry_2.supports_remove_device = True
+    entry_2.add_to_hass(hass)
+
+    device_registry.async_get_or_create(
+        config_entry_id=entry_1.entry_id,
+        connections={(dr.CONNECTION_NETWORK_MAC, "12:34:56:AB:CD:EF")},
+    )
+    device_entry = device_registry.async_get_or_create(
+        config_entry_id=entry_2.entry_id,
+        connections={(dr.CONNECTION_NETWORK_MAC, "12:34:56:AB:CD:EF")},
+    )
+    assert device_entry.config_entries == {entry_1.entry_id, entry_2.entry_id}
+
+    # Try removing a config entry from the device, it should fail because
+    # async_remove_config_entry_device returns False
+    response = await ws_client.remove_device(device_entry.id, entry_1.entry_id)
+
+    assert not response["success"]
+    assert response["error"]["code"] == "home_assistant_error"
+
+    # Make async_remove_config_entry_device return True
+    can_remove = True
+
+    # Remove the 1st config entry
+    response = await ws_client.remove_device(device_entry.id, entry_1.entry_id)
+
+    assert response["success"]
+    assert response["result"]["config_entries"] == [entry_2.entry_id]
+
+    # Check that the config entry was removed from the device
+    assert device_registry.async_get(device_entry.id).config_entries == {
+        entry_2.entry_id
+    }
+
+    # Remove the 2nd config entry
+    response = await ws_client.remove_device(device_entry.id, entry_2.entry_id)
+
+    assert response["success"]
+    assert response["result"] is None
+
+    # This was the last config entry, the device is removed
+    assert not device_registry.async_get(device_entry.id)