Add the ability to reload homekit from yaml (#39326)

tests/components/homekit/test_homekit.py

@@ -4,6 +4,7 @@ from typing import Dict
 
 import pytest
 
+from homeassistant import config as hass_config
 from homeassistant.components import zeroconf
 from homeassistant.components.binary_sensor import (
     DEVICE_CLASS_BATTERY_CHARGING,
@@ -49,6 +50,7 @@ from homeassistant.const import (
     DEVICE_CLASS_HUMIDITY,
     EVENT_HOMEASSISTANT_START,
     EVENT_HOMEASSISTANT_STOP,
+    SERVICE_RELOAD,
     STATE_ON,
     UNIT_PERCENTAGE,
 )
@@ -1181,3 +1183,69 @@ async def test_homekit_finds_linked_humidity_sensors(
             "linked_humidity_sensor": "sensor.humidifier_humidity_sensor",
         },
     )
+
+
+async def test_reload(hass):
+    """Test we can reload from yaml."""
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        source=SOURCE_IMPORT,
+        data={CONF_NAME: "reloadable", CONF_PORT: 12345},
+        options={},
+    )
+    entry.add_to_hass(hass)
+
+    with patch(f"{PATH_HOMEKIT}.HomeKit") as mock_homekit:
+        mock_homekit.return_value = homekit = Mock()
+        type(homekit).async_start = AsyncMock()
+        assert await async_setup_component(
+            hass, "homekit", {"homekit": {CONF_NAME: "reloadable", CONF_PORT: 12345}}
+        )
+        await hass.async_block_till_done()
+
+    mock_homekit.assert_any_call(
+        hass,
+        "reloadable",
+        12345,
+        None,
+        ANY,
+        {},
+        DEFAULT_SAFE_MODE,
+        None,
+        entry.entry_id,
+    )
+    assert mock_homekit().setup.called is True
+    yaml_path = os.path.join(
+        _get_fixtures_base_path(),
+        "fixtures",
+        "homekit/configuration.yaml",
+    )
+    with patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path), patch(
+        f"{PATH_HOMEKIT}.HomeKit"
+    ) as mock_homekit2:
+        mock_homekit2.return_value = homekit = Mock()
+        type(homekit).async_start = AsyncMock()
+        await hass.services.async_call(
+            "homekit",
+            SERVICE_RELOAD,
+            {},
+            blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    mock_homekit2.assert_any_call(
+        hass,
+        "reloadable",
+        45678,
+        None,
+        ANY,
+        {},
+        DEFAULT_SAFE_MODE,
+        None,
+        entry.entry_id,
+    )
+    assert mock_homekit2().setup.called is True
+
+
+def _get_fixtures_base_path():
+    return os.path.dirname(os.path.dirname(os.path.dirname(__file__)))