Add all kraken entities on startup (#58027)

* Add all kraken entities on startup

* Add _async_add_kraken_sensors

* Add test sensors available after restart

* Add test for config update

* Update tests/components/kraken/test_sensor.py

Co-authored-by: Allen Porter <allen.porter@gmail.com>

Co-authored-by: Allen Porter <allen.porter@gmail.com>

homeassistant/components/kraken/sensor.py

@@ -33,8 +33,26 @@ async def async_setup_entry(
 ) -> None:
     """Add kraken entities from a config_entry."""
 
+    def _async_add_kraken_sensors(tracked_asset_pairs: list[str]) -> None:
+        entities = []
+        for tracked_asset_pair in tracked_asset_pairs:
+            entities.extend(
+                [
+                    KrakenSensor(
+                        hass.data[DOMAIN],
+                        tracked_asset_pair,
+                        description,
+                    )
+                    for description in SENSOR_TYPES
+                ]
+            )
+        async_add_entities(entities, True)
+
+    _async_add_kraken_sensors(config_entry.options[CONF_TRACKED_ASSET_PAIRS])
+
     @callback
     def async_update_sensors(hass: HomeAssistant, config_entry: ConfigEntry) -> None:
+        """Add or remove sensors for configured tracked asset pairs."""
         dev_reg = device_registry.async_get(hass)
 
         existing_devices = {
@@ -44,7 +62,7 @@ async def async_setup_entry(
             )
         }
 
-        entities = []
+        asset_pairs_to_add = []
         for tracked_asset_pair in config_entry.options[CONF_TRACKED_ASSET_PAIRS]:
             # Only create new devices
             if (
@@ -52,24 +70,13 @@ async def async_setup_entry(
             ) in existing_devices:
                 existing_devices.pop(device_name)
             else:
-                entities.extend(
-                    [
-                        KrakenSensor(
-                            hass.data[DOMAIN],
-                            tracked_asset_pair,
-                            description,
-                        )
-                        for description in SENSOR_TYPES
-                    ]
-                )
-        async_add_entities(entities, True)
+                asset_pairs_to_add.append(tracked_asset_pair)
+        _async_add_kraken_sensors(asset_pairs_to_add)
 
         # Remove devices for asset pairs which are no longer tracked
         for device_id in existing_devices.values():
             dev_reg.async_remove_device(device_id)
 
-    async_update_sensors(hass, config_entry)
-
     config_entry.async_on_unload(
         async_dispatcher_connect(
             hass,

tests/components/kraken/test_sensor.py

@@ -228,6 +228,92 @@ async def test_sensor(hass):
         assert xbt_usd_opening_price_today.state == "0.0003513"
 
 
+async def test_sensors_available_after_restart(hass):
+    """Test that all sensors are added again after a restart."""
+    utcnow = dt_util.utcnow()
+    # Patching 'utcnow' to gain more control over the timed update.
+    with patch("homeassistant.util.dt.utcnow", return_value=utcnow), patch(
+        "pykrakenapi.KrakenAPI.get_tradable_asset_pairs",
+        return_value=TRADEABLE_ASSET_PAIR_RESPONSE,
+    ), patch(
+        "pykrakenapi.KrakenAPI.get_ticker_information",
+        return_value=TICKER_INFORMATION_RESPONSE,
+    ):
+        entry = MockConfigEntry(
+            domain=DOMAIN,
+            options={
+                CONF_SCAN_INTERVAL: DEFAULT_SCAN_INTERVAL,
+                CONF_TRACKED_ASSET_PAIRS: [DEFAULT_TRACKED_ASSET_PAIR],
+            },
+        )
+
+        device_registry = await hass.helpers.device_registry.async_get_registry()
+        device_registry.async_get_or_create(
+            config_entry_id=entry.entry_id,
+            identifiers={(DOMAIN, "XBT_USD")},
+            name="XBT USD",
+            manufacturer="Kraken.com",
+            entry_type="service",
+        )
+        entry.add_to_hass(hass)
+
+        await hass.config_entries.async_setup(entry.entry_id)
+
+        await hass.async_block_till_done()
+
+        hass.bus.async_fire(EVENT_HOMEASSISTANT_START)
+        await hass.async_block_till_done()
+
+        sensor = hass.states.get("sensor.xbt_usd_ask")
+        assert sensor.state == "0.0003494"
+
+
+async def test_sensors_added_after_config_update(hass):
+    """Test that sensors are added when another tracked asset pair is added."""
+    utcnow = dt_util.utcnow()
+    # Patching 'utcnow' to gain more control over the timed update.
+    with patch("homeassistant.util.dt.utcnow", return_value=utcnow), patch(
+        "pykrakenapi.KrakenAPI.get_tradable_asset_pairs",
+        return_value=TRADEABLE_ASSET_PAIR_RESPONSE,
+    ), patch(
+        "pykrakenapi.KrakenAPI.get_ticker_information",
+        return_value=TICKER_INFORMATION_RESPONSE,
+    ):
+        entry = MockConfigEntry(
+            domain=DOMAIN,
+            options={
+                CONF_SCAN_INTERVAL: DEFAULT_SCAN_INTERVAL,
+                CONF_TRACKED_ASSET_PAIRS: [DEFAULT_TRACKED_ASSET_PAIR],
+            },
+        )
+
+        entry.add_to_hass(hass)
+
+        await hass.config_entries.async_setup(entry.entry_id)
+
+        await hass.async_block_till_done()
+
+        hass.bus.async_fire(EVENT_HOMEASSISTANT_START)
+        await hass.async_block_till_done()
+
+        assert hass.states.get("sensor.xbt_usd_ask")
+        assert not hass.states.get("sensor.ada_xbt_ask")
+
+        hass.config_entries.async_update_entry(
+            entry,
+            options={
+                CONF_SCAN_INTERVAL: DEFAULT_SCAN_INTERVAL,
+                CONF_TRACKED_ASSET_PAIRS: [DEFAULT_TRACKED_ASSET_PAIR, "ADA/XBT"],
+            },
+        )
+        async_fire_time_changed(
+            hass, utcnow + timedelta(seconds=DEFAULT_SCAN_INTERVAL * 2)
+        )
+        await hass.async_block_till_done()
+
+        assert hass.states.get("sensor.ada_xbt_ask")
+
+
 async def test_missing_pair_marks_sensor_unavailable(hass):
     """Test that a missing tradable asset pair marks the sensor unavailable."""
     utcnow = dt_util.utcnow()