From 6299e8cb7758a9caf2eea9dd67835a8fefebfa35 Mon Sep 17 00:00:00 2001
From: Nic Eggert <nic@eggert.io>
Date: Mon, 23 Feb 2026 06:29:20 -0600
Subject: [PATCH] Add support for current sensors to egauge integration
 (#163728)

---
 homeassistant/components/egauge/sensor.py     | 16 ++++-
 tests/components/egauge/conftest.py           |  3 +
 .../egauge/snapshots/test_sensor.ambr         | 59 ++++++++++++++++++-
 3 files changed, 76 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/egauge/sensor.py b/homeassistant/components/egauge/sensor.py
index 2abd1c6886d..743bc34a429 100644
--- a/homeassistant/components/egauge/sensor.py
+++ b/homeassistant/components/egauge/sensor.py
@@ -13,7 +13,12 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.const import UnitOfElectricPotential, UnitOfEnergy, UnitOfPower
+from homeassistant.const import (
+    UnitOfElectricCurrent,
+    UnitOfElectricPotential,
+    UnitOfEnergy,
+    UnitOfPower,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 
@@ -59,6 +64,15 @@ SENSORS: tuple[EgaugeSensorEntityDescription, ...] = (
         available_fn=lambda data, register: register in data.measurements,
         supported_fn=lambda register_info: register_info.type == RegisterType.VOLTAGE,
     ),
+    EgaugeSensorEntityDescription(
+        key="current",
+        device_class=SensorDeviceClass.CURRENT,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+        native_value_fn=lambda data, register: data.measurements[register],
+        available_fn=lambda data, register: register in data.measurements,
+        supported_fn=lambda register_info: register_info.type == RegisterType.CURRENT,
+    ),
 )
 
 
diff --git a/tests/components/egauge/conftest.py b/tests/components/egauge/conftest.py
index c78ee0a7233..d12a10a5c17 100644
--- a/tests/components/egauge/conftest.py
+++ b/tests/components/egauge/conftest.py
@@ -66,6 +66,7 @@ def mock_egauge_client() -> Generator[MagicMock]:
                 name="Temp", type=RegisterType.TEMPERATURE, idx=2, did=None
             ),
             "L1": RegisterInfo(name="L1", type=RegisterType.VOLTAGE, idx=3, did=None),
+            "S1": RegisterInfo(name="S1", type=RegisterType.CURRENT, idx=4, did=None),
         }
 
         # Dynamic measurements
@@ -74,12 +75,14 @@ def mock_egauge_client() -> Generator[MagicMock]:
             "Solar": -2500.0,
             "Temp": 45.0,
             "L1": 123.4,
+            "S1": 1.2,
         }
         client.get_current_counters.return_value = {
             "Grid": 450000000.0,  # 125 kWh in Ws
             "Solar": 315000000.0,  # 87.5 kWh in Ws
             "Temp": 0.0,
             "L1": 12345678.0,
+            "S1": 12345.0,
         }
 
         yield client
diff --git a/tests/components/egauge/snapshots/test_sensor.ambr b/tests/components/egauge/snapshots/test_sensor.ambr
index 9a939b1419d..74b3d029b60 100644
--- a/tests/components/egauge/snapshots/test_sensor.ambr
+++ b/tests/components/egauge/snapshots/test_sensor.ambr
@@ -1,5 +1,5 @@
 # serializer version: 1
-# name: test_sensors.10
+# name: test_sensors.12
   DeviceRegistryEntrySnapshot({
     'area_id': None,
     'config_entries': <ANY>,
@@ -204,6 +204,63 @@
     'state': '123.4',
   })
 # ---
+# name: test_sensors[sensor.egauge_home_s1_current-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.egauge_home_s1_current',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Current',
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 2,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.CURRENT: 'current'>,
+    'original_icon': None,
+    'original_name': 'Current',
+    'platform': 'egauge',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': 'ABC123456_S1_current',
+    'unit_of_measurement': <UnitOfElectricCurrent.AMPERE: 'A'>,
+  })
+# ---
+# name: test_sensors[sensor.egauge_home_s1_current-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'current',
+      'friendly_name': 'egauge-home S1 Current',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfElectricCurrent.AMPERE: 'A'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.egauge_home_s1_current',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '1.2',
+  })
+# ---
 # name: test_sensors[sensor.egauge_home_solar_energy-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({