Add multi-zone support to Anthem AV receiver and distribution solution (#74779)

* Add multi-zone support to Anthem AV receiver and distribution amplifier

* Fix typo in comment

* Convert properties to attribute and add test

* Migrate entity name

* Fix after rebase add strict typing and bump version

* fix typing

* Simplify test

* Small improvement

* remove dispatcher send and use callback

tests/components/anthemav/conftest.py

@@ -1,10 +1,12 @@
 """Fixtures for anthemav integration tests."""
+from typing import Callable
 from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 
 from homeassistant.components.anthemav.const import CONF_MODEL, DOMAIN
 from homeassistant.const import CONF_HOST, CONF_MAC, CONF_NAME, CONF_PORT
+from homeassistant.core import HomeAssistant
 
 from tests.common import MockConfigEntry
 
@@ -16,17 +18,25 @@ def mock_anthemav() -> AsyncMock:
     avr.protocol.macaddress = "000000000001"
     avr.protocol.model = "MRX 520"
     avr.reconnect = AsyncMock()
+    avr.protocol.wait_for_device_initialised = AsyncMock()
     avr.close = MagicMock()
     avr.protocol.input_list = []
     avr.protocol.audio_listening_mode_list = []
-    avr.protocol.power = False
+    avr.protocol.zones = {1: get_zone(), 2: get_zone()}
     return avr
 
 
+def get_zone() -> MagicMock:
+    """Return a mocked zone."""
+    zone = MagicMock()
+
+    zone.power = False
+    return zone
+
+
 @pytest.fixture
 def mock_connection_create(mock_anthemav: AsyncMock) -> AsyncMock:
     """Return the default mocked connection.create."""
-
     with patch(
         "anthemav.Connection.create",
         return_value=mock_anthemav,
@@ -34,6 +44,12 @@ def mock_connection_create(mock_anthemav: AsyncMock) -> AsyncMock:
         yield mock
 
 
+@pytest.fixture
+def update_callback(mock_connection_create: AsyncMock) -> Callable[[str], None]:
+    """Return the update_callback used when creating the connection."""
+    return mock_connection_create.call_args[1]["update_callback"]
+
+
 @pytest.fixture
 def mock_config_entry() -> MockConfigEntry:
     """Return the default mocked config entry."""
@@ -48,3 +64,18 @@ def mock_config_entry() -> MockConfigEntry:
         },
         unique_id="00:00:00:00:00:01",
     )
+
+
+@pytest.fixture
+async def init_integration(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_connection_create: AsyncMock,
+) -> MockConfigEntry:
+    """Set up the AnthemAv integration for testing."""
+    mock_config_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    return mock_config_entry