Import bluetooth in the executor to avoid blocking the event loop (#111596)

homeassistant/components/bluetooth/manifest.json

@@ -5,6 +5,7 @@
   "config_flow": true,
   "dependencies": ["usb"],
   "documentation": "https://www.home-assistant.io/integrations/bluetooth",
+  "import_executor": true,
   "iot_class": "local_push",
   "loggers": [
     "btsocket",

tests/components/bluetooth/conftest.py

@@ -2,9 +2,33 @@
 
 from unittest.mock import patch
 
+from bleak_retry_connector import bleak_manager
+from dbus_fast.aio import message_bus
+import habluetooth.util as habluetooth_utils
 import pytest
 
 
+@pytest.fixture(name="disable_bluez_manager_socket", autouse=True, scope="session")
+def disable_bluez_manager_socket():
+    """Mock the bluez manager socket."""
+    with patch.object(bleak_manager, "get_global_bluez_manager_with_timeout"):
+        yield
+
+
+@pytest.fixture(name="disable_dbus_socket", autouse=True, scope="session")
+def disable_dbus_socket():
+    """Mock the dbus message bus to avoid creating a socket."""
+    with patch.object(message_bus, "MessageBus"):
+        yield
+
+
+@pytest.fixture(name="disable_bluetooth_auto_recovery", autouse=True, scope="session")
+def disable_bluetooth_auto_recovery():
+    """Mock out auto recovery."""
+    with patch.object(habluetooth_utils, "recover_adapter"):
+        yield
+
+
 @pytest.fixture(name="operating_system_85")
 def mock_operating_system_85():
     """Mock running Home Assistant Operating system 8.5."""

tests/components/bluetooth/test_init.py

@@ -47,6 +47,7 @@ from . import (
     FakeScanner,
     _get_manager,
     async_setup_with_default_adapter,
+    async_setup_with_one_adapter,
     generate_advertisement_data,
     generate_ble_device,
     inject_advertisement,
@@ -178,7 +179,7 @@ async def test_setup_and_stop_old_bluez(
 
 
 async def test_setup_and_stop_no_bluetooth(
-    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, macos_adapter: None
+    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, one_adapter: None
 ) -> None:
     """Test we fail gracefully when bluetooth is not available."""
     mock_bt = [
@@ -189,8 +190,8 @@ async def test_setup_and_stop_no_bluetooth(
         side_effect=BleakError,
     ) as mock_ha_bleak_scanner, patch(
         "homeassistant.components.bluetooth.async_get_bluetooth", return_value=mock_bt
-    ):
+    ), patch("homeassistant.components.bluetooth.discovery_flow.async_create_flow"):
-        await async_setup_with_default_adapter(hass)
+        await async_setup_with_one_adapter(hass)
         hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
         await hass.async_block_till_done()