Create HEOS devices after integration setup (#138721)

* Create entities for new players

* Fix docstring typo

homeassistant/components/heos/coordinator.py

@@ -16,6 +16,7 @@
     HeosError,
     HeosNowPlayingMedia,
     HeosOptions,
+    HeosPlayer,
     MediaItem,
     MediaType,
     PlayerUpdateResult,
@@ -58,6 +59,7 @@ def __init__(self, hass: HomeAssistant, config_entry: HeosConfigEntry) -> None:
                 credentials=credentials,
             )
         )
+        self._platform_callbacks: list[Callable[[Sequence[HeosPlayer]], None]] = []
         self._update_sources_pending: bool = False
         self._source_list: list[str] = []
         self._favorites: dict[int, MediaItem] = {}
@@ -124,6 +126,27 @@ def async_add_listener(
         self.async_update_listeners()
         return remove_listener
 
+    def async_add_platform_callback(
+        self, add_entities_callback: Callable[[Sequence[HeosPlayer]], None]
+    ) -> None:
+        """Add a callback to add entities for a platform."""
+        self._platform_callbacks.append(add_entities_callback)
+
+    def _async_handle_player_update_result(
+        self, update_result: PlayerUpdateResult
+    ) -> None:
+        """Handle a player update result."""
+        if update_result.added_player_ids and self._platform_callbacks:
+            new_players = [
+                self.heos.players[player_id]
+                for player_id in update_result.added_player_ids
+            ]
+            for add_entities_callback in self._platform_callbacks:
+                add_entities_callback(new_players)
+
+        if update_result.updated_player_ids:
+            self._async_update_player_ids(update_result.updated_player_ids)
+
     async def _async_on_auth_failure(self) -> None:
         """Handle when the user credentials are no longer valid."""
         assert self.config_entry is not None
@@ -147,8 +170,7 @@ async def _async_on_controller_event(
         """Handle a controller event, such as players or groups changed."""
         if event == const.EVENT_PLAYERS_CHANGED:
             assert data is not None
-            if data.updated_player_ids:
-                self._async_update_player_ids(data.updated_player_ids)
+            self._async_handle_player_update_result(data)
         elif (
             event in (const.EVENT_SOURCES_CHANGED, const.EVENT_USER_CHANGED)
             and not self._update_sources_pending
@@ -242,9 +264,7 @@ async def _async_update_players(self) -> None:
         except HeosError as error:
             _LOGGER.error("Unable to refresh players: %s", error)
             return
-        # After reconnecting, player_id may have changed
-        if player_updates.updated_player_ids:
-            self._async_update_player_ids(player_updates.updated_player_ids)
+        self._async_handle_player_update_result(player_updates)
 
     @callback
     def async_get_source_list(self) -> list[str]:

homeassistant/components/heos/media_player.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from collections.abc import Awaitable, Callable, Coroutine
+from collections.abc import Awaitable, Callable, Coroutine, Sequence
 from datetime import datetime
 from functools import reduce, wraps
 from operator import ior
@@ -93,11 +93,16 @@ async def async_setup_entry(
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Add media players for a config entry."""
-    devices = [
-        HeosMediaPlayer(entry.runtime_data, player)
-        for player in entry.runtime_data.heos.players.values()
-    ]
-    async_add_entities(devices)
+
+    def add_entities_callback(players: Sequence[HeosPlayer]) -> None:
+        """Add entities for each player."""
+        async_add_entities(
+            [HeosMediaPlayer(entry.runtime_data, player) for player in players]
+        )
+
+    coordinator = entry.runtime_data
+    coordinator.async_add_platform_callback(add_entities_callback)
+    add_entities_callback(list(coordinator.heos.players.values()))
 
 
 type _FuncType[**_P] = Callable[_P, Awaitable[Any]]

homeassistant/components/heos/quality_scale.yaml

@@ -49,7 +49,7 @@ rules:
   docs-supported-functions: done
   docs-troubleshooting: done
   docs-use-cases: done
-  dynamic-devices: todo
+  dynamic-devices: done
   entity-category: done
   entity-device-class: done
   entity-disabled-by-default: done

tests/components/heos/conftest.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from collections.abc import Iterator
+from collections.abc import Callable, Iterator
 from unittest.mock import Mock, patch
 
 from pyheos import (
@@ -130,43 +130,55 @@ def system_info_fixture() -> HeosSystem:
     )
 
 
-@pytest.fixture(name="players")
-def players_fixture() -> dict[int, HeosPlayer]:
-    """Create two mock HeosPlayers."""
-    players = {}
-    for i in (1, 2):
-        player = HeosPlayer(
-            player_id=i,
+@pytest.fixture(name="player_factory")
+def player_factory_fixture() -> Callable[[int, str, str], HeosPlayer]:
+    """Return a method that creates players."""
+
+    def factory(player_id: int, name: str, model: str) -> HeosPlayer:
+        """Create a player."""
+        return HeosPlayer(
+            player_id=player_id,
             group_id=999,
-            name="Test Player" if i == 1 else f"Test Player {i}",
-            model="HEOS Drive HS2" if i == 1 else "Speaker",
+            name=name,
+            model=model,
             serial="123456",
             version="1.0.0",
             supported_version=True,
             line_out=LineOutLevelType.VARIABLE,
             is_muted=False,
             available=True,
             state=PlayState.STOP,
-            ip_address=f"127.0.0.{i}",
+            ip_address=f"127.0.0.{player_id}",
             network=NetworkType.WIRED,
             shuffle=False,
             repeat=RepeatType.OFF,
             volume=25,
+            now_playing_media=HeosNowPlayingMedia(
+                type=MediaType.STATION,
+                song="Song",
+                station="Station Name",
+                album="Album",
+                artist="Artist",
+                image_url="http://",
+                album_id="1",
+                media_id="1",
+                queue_id=1,
+                source_id=10,
+            ),
         )
-        player.now_playing_media = HeosNowPlayingMedia(
-            type=MediaType.STATION,
-            song="Song",
-            station="Station Name",
-            album="Album",
-            artist="Artist",
-            image_url="http://",
-            album_id="1",
-            media_id="1",
-            queue_id=1,
-            source_id=10,
-        )
-        players[player.player_id] = player
-    return players
+
+    return factory
+
+
+@pytest.fixture(name="players")
+def players_fixture(
+    player_factory: Callable[[int, str, str], HeosPlayer],
+) -> dict[int, HeosPlayer]:
+    """Create two mock HeosPlayers."""
+    return {
+        1: player_factory(1, "Test Player", "HEOS Drive HS2"),
+        2: player_factory(2, "Test Player 2", "Speaker"),
+    }
 
 
 @pytest.fixture(name="group")

tests/components/heos/test_init.py

@@ -1,16 +1,26 @@
 """Tests for the init module."""
 
+from collections.abc import Callable
 from typing import cast
 from unittest.mock import Mock
 
-from pyheos import HeosError, HeosOptions, SignalHeosEvent, SignalType
+from pyheos import (
+    HeosError,
+    HeosOptions,
+    HeosPlayer,
+    PlayerUpdateResult,
+    SignalHeosEvent,
+    SignalType,
+    const,
+)
 import pytest
 
 from homeassistant.components.heos.const import DOMAIN
+from homeassistant.components.media_player import DOMAIN as MEDIA_PLAYER_DOMAIN
 from homeassistant.config_entries import SOURCE_REAUTH, ConfigEntryState
 from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers import device_registry as dr
+from homeassistant.helpers import device_registry as dr, entity_registry as er
 from homeassistant.setup import async_setup_component
 
 from . import MockHeos
@@ -255,3 +265,64 @@ async def test_remove_config_entry_device(
     ws_client = await hass_ws_client(hass)
     response = await ws_client.remove_device(device_entry.id, config_entry.entry_id)
     assert response["success"] == expected_result
+
+
+async def test_reconnected_new_entities_created(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    config_entry: MockConfigEntry,
+    controller: MockHeos,
+    player_factory: Callable[[int, str, str], HeosPlayer],
+) -> None:
+    """Test new entities are created for new players after reconnecting."""
+    config_entry.add_to_hass(hass)
+    assert await hass.config_entries.async_setup(config_entry.entry_id)
+
+    # Assert initial entity doesn't exist
+    assert not entity_registry.async_get_entity_id(MEDIA_PLAYER_DOMAIN, DOMAIN, "3")
+
+    # Create player
+    players = controller.players.copy()
+    players[3] = player_factory(3, "Test Player 3", "HEOS Link")
+    controller.mock_set_players(players)
+    controller.load_players.return_value = PlayerUpdateResult([3], [], {})
+
+    # Simulate reconnection
+    await controller.dispatcher.wait_send(
+        SignalType.HEOS_EVENT, SignalHeosEvent.CONNECTED
+    )
+    await hass.async_block_till_done()
+
+    # Assert new entity created
+    assert entity_registry.async_get_entity_id(MEDIA_PLAYER_DOMAIN, DOMAIN, "3")
+
+
+async def test_players_changed_new_entities_created(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    config_entry: MockConfigEntry,
+    controller: MockHeos,
+    player_factory: Callable[[int, str, str], HeosPlayer],
+) -> None:
+    """Test new entities are created for new players on change event."""
+    config_entry.add_to_hass(hass)
+    assert await hass.config_entries.async_setup(config_entry.entry_id)
+
+    # Assert initial entity doesn't exist
+    assert not entity_registry.async_get_entity_id(MEDIA_PLAYER_DOMAIN, DOMAIN, "3")
+
+    # Create player
+    players = controller.players.copy()
+    players[3] = player_factory(3, "Test Player 3", "HEOS Link")
+    controller.mock_set_players(players)
+
+    # Simulate players changed event
+    await controller.dispatcher.wait_send(
+        SignalType.CONTROLLER_EVENT,
+        const.EVENT_PLAYERS_CHANGED,
+        PlayerUpdateResult([3], [], {}),
+    )
+    await hass.async_block_till_done()
+
+    # Assert new entity created
+    assert entity_registry.async_get_entity_id(MEDIA_PLAYER_DOMAIN, DOMAIN, "3")