Add device info metadata for Yahoo Finance sensors

custom_components/yahoofinance/const.py

@@ -176,6 +176,7 @@
 BASE: Final = "https://query1.finance.yahoo.com/v7/finance/quote?symbols="
 
 INITIAL_URL: Final = "https://finance.yahoo.com/quote/NQ%3DF/"
+YAHOO_QUOTE_URL: Final = "https://finance.yahoo.com/quote/"
 CONSENT_HOST: Final = "consent.yahoo.com"
 GET_CRUMB_URL: Final = "https://query2.finance.yahoo.com/v1/test/getcrumb"
 

custom_components/yahoofinance/sensor.py

@@ -14,7 +14,8 @@
 )
 from homeassistant.const import ATTR_ATTRIBUTION
 from homeassistant.core import HomeAssistant, callback
-from homeassistant.helpers.entity import async_generate_entity_id
+from homeassistant.helpers.device_registry import DeviceEntryType
+from homeassistant.helpers.entity import DeviceInfo, async_generate_entity_id
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType, StateType
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -54,6 +55,7 @@
     NUMERIC_DATA_GROUPS,
     PERCENTAGE_DATA_KEYS_NEEDING_MULTIPLICATION,
     TIME_PRICE_DATA_DICT,
+    YAHOO_QUOTE_URL,
 )
 from .coordinator import YahooSymbolUpdateCoordinator
 from .dataclasses import SymbolDefinition
@@ -199,6 +201,18 @@ def unique_id(self) -> str:
         """Return a unique ID."""
         return self._unique_id
 
+    @property
+    def device_info(self) -> DeviceInfo:
+        """Return device registry information."""
+        return DeviceInfo(
+            configuration_url=f"{YAHOO_QUOTE_URL}{self._symbol}",
+            entry_type=DeviceEntryType.SERVICE,
+            identifiers={(DOMAIN, self._symbol)},
+            manufacturer="Yahoo",
+            model=self._short_name or self._symbol,
+            name=f"Yahoo Finance {self.name}",
+        )
+
     @property
     def name(self) -> str:
         """Return the name of the sensor."""

pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+asyncio_mode = auto

tests/__init__.py

@@ -1,4 +1,6 @@
 """Tests for Yahoo Finance component."""
 
+pytest_plugins = ("pytest_homeassistant_custom_component",)
+
 TEST_SYMBOL = "BABA"
 TEST_CRUMB =  "!123"

tests/test_sensor.py

@@ -48,6 +48,7 @@
     HASS_DATA_CONFIG,
     HASS_DATA_COORDINATORS,
     NUMERIC_DATA_GROUPS,
+    YAHOO_QUOTE_URL,
 )
 from custom_components.yahoofinance.sensor import (
     YahooFinanceSensor,
@@ -56,6 +57,7 @@
 from homeassistant.const import CONF_SCAN_INTERVAL
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
+from homeassistant.helpers.device_registry import DeviceEntryType
 
 from . import TEST_SYMBOL
 
@@ -337,6 +339,28 @@ async def test_sensor_update_calls_coordinator(hass: HomeAssistant) -> None:
     assert mock_coordinator.async_request_refresh.call_count == 1
 
 
+def test_device_info_exposes_symbol_details() -> None:
+    """Ensure each entity registers a per-symbol device."""
+
+    mock_hass = MagicMock()
+    mock_hass.states.async_available.return_value = True
+
+    symbol = "XYZ"
+    mock_coordinator = build_mock_coordinator(mock_hass, True, symbol, 12)
+    sensor = YahooFinanceSensor(
+        mock_hass, mock_coordinator, SymbolDefinition(symbol), DEFAULT_OPTIONAL_CONFIG
+    )
+
+    sensor.update_properties()
+    info = sensor.device_info
+
+    assert info["entry_type"] is DeviceEntryType.SERVICE
+    assert info["identifiers"] == {(DOMAIN, symbol)}
+    assert info["configuration_url"] == f"{YAHOO_QUOTE_URL}{symbol}"
+    assert info["manufacturer"] == "Yahoo"
+    assert info["name"] == "Yahoo Finance Symbol XYZ Long"
+
+
 @pytest.mark.parametrize(
     ("market_price", "previous_close", "show_trending", "expected_trend"),
     [