From be7e61b88b72ac3fdee61510e4cfc43595dffddb Mon Sep 17 00:00:00 2001
From: G Johansson <goran.johansson@shiftit.se>
Date: Wed, 26 Oct 2022 11:27:44 +0200
Subject: [PATCH] Add unique id for min_max (#81007)

---
 homeassistant/components/min_max/sensor.py | 5 ++++-
 tests/components/min_max/test_sensor.py    | 6 ++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/min_max/sensor.py b/homeassistant/components/min_max/sensor.py
index 0f53875861d..87edcd38766 100644
--- a/homeassistant/components/min_max/sensor.py
+++ b/homeassistant/components/min_max/sensor.py
@@ -16,6 +16,7 @@ from homeassistant.const import (
     ATTR_UNIT_OF_MEASUREMENT,
     CONF_NAME,
     CONF_TYPE,
+    CONF_UNIQUE_ID,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
 )
@@ -61,6 +62,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
         vol.Optional(CONF_NAME): cv.string,
         vol.Required(CONF_ENTITY_IDS): cv.entity_ids,
         vol.Optional(CONF_ROUND_DIGITS, default=2): vol.Coerce(int),
+        vol.Optional(CONF_UNIQUE_ID): str,
     }
 )
 
@@ -102,11 +104,12 @@ async def async_setup_platform(
     name = config.get(CONF_NAME)
     sensor_type = config.get(CONF_TYPE)
     round_digits = config.get(CONF_ROUND_DIGITS)
+    unique_id = config.get(CONF_UNIQUE_ID)
 
     await async_setup_reload_service(hass, DOMAIN, PLATFORMS)
 
     async_add_entities(
-        [MinMaxSensor(entity_ids, name, sensor_type, round_digits, None)]
+        [MinMaxSensor(entity_ids, name, sensor_type, round_digits, unique_id)]
     )
 
 
diff --git a/tests/components/min_max/test_sensor.py b/tests/components/min_max/test_sensor.py
index 47435dfbaf3..4819cc31a9b 100644
--- a/tests/components/min_max/test_sensor.py
+++ b/tests/components/min_max/test_sensor.py
@@ -14,6 +14,7 @@ from homeassistant.const import (
     TEMP_CELSIUS,
     TEMP_FAHRENHEIT,
 )
+import homeassistant.helpers.entity_registry as er
 from homeassistant.setup import async_setup_component
 
 from tests.common import get_fixture_path
@@ -63,6 +64,7 @@ async def test_min_sensor(hass):
             "name": "test_min",
             "type": "min",
             "entity_ids": ["sensor.test_1", "sensor.test_2", "sensor.test_3"],
+            "unique_id": "very_unique_id",
         }
     }
 
@@ -81,6 +83,10 @@ async def test_min_sensor(hass):
     assert entity_ids[2] == state.attributes.get("min_entity_id")
     assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
 
+    entity_reg = er.async_get(hass)
+    entity = entity_reg.async_get("sensor.test_min")
+    assert entity.unique_id == "very_unique_id"
+
 
 async def test_max_sensor(hass):
     """Test the max sensor."""