Refresh players after group event

pyheos/command/player.py

@@ -46,7 +46,6 @@ async def get_players(self, *, refresh: bool = False) -> dict[int, HeosPlayer]:
 
         References:
             4.2.1 Get Players"""
-        # get players and pull initial state
         if not self._players_loaded or refresh:
             await self.load_players()
         return self._players

pyheos/heos.py

@@ -234,6 +234,8 @@ async def _on_event_heos(self, event: HeosMessage) -> None:
             else:
                 self._signed_in_username = None
         elif event.command == const.EVENT_GROUPS_CHANGED and self._groups_loaded:
+            if self._players_loaded:
+                await self.get_players(refresh=True)
             await self.get_groups(refresh=True)
 
         await self._dispatcher.wait_send(

tests/fixtures/player.get_players.json

@@ -7,6 +7,7 @@
 	"payload": [{
 			"name": "Back Patio",
 			"pid": 1,
+			"gid": 2,
 			"model": "HEOS Drive",
 			"version": "1.493.180",
 			"ip": "127.0.0.1",

tests/fixtures/player.get_players_no_groups.json

@@ -0,0 +1,27 @@
+{
+	"heos": {
+		"command": "player/get_players",
+		"result": "success",
+		"message": ""
+	},
+	"payload": [{
+			"name": "Back Patio",
+			"pid": 1,
+			"model": "HEOS Drive",
+			"version": "1.493.180",
+			"ip": "127.0.0.1",
+			"network": "wired",
+			"lineout": 2,
+			"control": 2,
+			"serial": "B1A2C3K"
+		}, {
+			"name": "Front Porch",
+			"pid": 2,
+			"model": "HEOS Drive",
+			"version": "1.493.180",
+			"ip": "127.0.0.2",
+			"network": "wifi",
+			"lineout": 1
+		}
+	]
+}

tests/test_heos.py

@@ -1004,11 +1004,14 @@ async def handler(event: str, data: dict[str, Any]) -> None:
     assert heos.music_sources[MUSIC_SOURCE_TUNEIN].available
 
 
+@calls_player_commands()
 @calls_group_commands()
 async def test_groups_changed_event(mock_device: MockHeosDevice, heos: Heos) -> None:
     """Test groups changed fires dispatcher."""
     groups = await heos.get_groups()
+    players = await heos.get_players()
     assert len(groups) == 1
+    assert all(player.group_id is not None for player in players.values())
     signal = asyncio.Event()
 
     async def handler(event: str, data: dict[str, Any]) -> None:
@@ -1018,14 +1021,47 @@ async def handler(event: str, data: dict[str, Any]) -> None:
     heos.dispatcher.connect(SignalType.CONTROLLER_EVENT, handler)
 
     # Write event through mock device
-    command = mock_device.register(
+    commands = [
+        mock_device.register(
+            c.COMMAND_GET_GROUPS, None, "group.get_groups_changed", replace=True
+        ),
+        mock_device.register(
+            c.COMMAND_GET_PLAYERS, None, "player.get_players_no_groups", replace=True
+        ),
+    ]
+    await mock_device.write_event("event.groups_changed")
+
+    # Wait until the signal is set
+    await signal.wait()
+    map(lambda c: c.assert_called(), commands)
+    assert not await heos.get_groups()
+    assert all(player.group_id is None for player in players.values())
+
+
+@calls_group_commands()
+async def test_groups_changed_event_players_not_loaded(
+    mock_device: MockHeosDevice, heos: Heos
+) -> None:
+    """Test groups changed fires dispatcher and does not load players."""
+    groups = await heos.get_groups()
+    assert len(groups) == 1
+    signal = asyncio.Event()
+
+    async def handler(event: str, data: dict[str, Any]) -> None:
+        assert event == EVENT_GROUPS_CHANGED
+        signal.set()
+
+    heos.dispatcher.connect(SignalType.CONTROLLER_EVENT, handler)
+
+    # Write event through mock device
+    get_groups_command = mock_device.register(
         c.COMMAND_GET_GROUPS, None, "group.get_groups_changed", replace=True
     )
     await mock_device.write_event("event.groups_changed")
 
     # Wait until the signal is set
     await signal.wait()
-    command.assert_called()
+    get_groups_command.assert_called()
     assert not await heos.get_groups()