Update mock thermostat snapshots with new attributes and state values

homeassistant/components/matter/sensor.py

@@ -183,6 +183,13 @@ PUMP_CONTROL_MODE_MAP = {
     clusters.PumpConfigurationAndControl.Enums.ControlModeEnum.kUnknownEnumValue: None,
 }
 
+SETPOINT_CHANGE_SOURCE_MAP = {
+    clusters.Thermostat.Enums.SetpointChangeSourceEnum.kManual: "manual",
+    clusters.Thermostat.Enums.SetpointChangeSourceEnum.kSchedule: "schedule",
+    clusters.Thermostat.Enums.SetpointChangeSourceEnum.kExternal: "external",
+    clusters.Thermostat.Enums.SetpointChangeSourceEnum.kUnknownEnumValue: None,
+}
+
 HUMIDITY_SCALING_FACTOR = 100
 TEMPERATURE_SCALING_FACTOR = 100
 
@@ -1488,4 +1495,47 @@ DISCOVERY_SCHEMAS = [
         entity_class=MatterSensor,
         required_attributes=(clusters.ServiceArea.Attributes.EstimatedEndTime,),
     ),
+    MatterDiscoverySchema(
+        platform=Platform.SENSOR,
+        entity_description=MatterSensorEntityDescription(
+            key="SetpointChangeSource",
+            translation_key="setpoint_change_source",
+            device_class=SensorDeviceClass.ENUM,
+            state_class=None,
+            # convert to set first to remove the duplicate unknown value
+            options=[x for x in SETPOINT_CHANGE_SOURCE_MAP.values() if x is not None],
+            device_to_ha=lambda x: SETPOINT_CHANGE_SOURCE_MAP[x],
+        ),
+        entity_class=MatterSensor,
+        required_attributes=(clusters.Thermostat.Attributes.SetpointChangeSource,),
+    ),
+    MatterDiscoverySchema(
+        platform=Platform.SENSOR,
+        entity_description=MatterSensorEntityDescription(
+            key="SetpointChangeSourceTimestamp",
+            translation_key="setpoint_change_timestamp",
+            device_class=SensorDeviceClass.TIMESTAMP,
+            state_class=None,
+            device_to_ha=(lambda x: dt_util.utc_from_timestamp(x) if x > 0 else None),
+        ),
+        entity_class=MatterSensor,
+        required_attributes=(
+            clusters.Thermostat.Attributes.SetpointChangeSourceTimestamp,
+        ),
+    ),
+    MatterDiscoverySchema(
+        platform=Platform.SENSOR,
+        entity_description=MatterSensorEntityDescription(
+            key="ThermostatSetpointChangeAmount",
+            translation_key="setpoint_change_amount",
+            native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+            suggested_display_precision=1,
+            device_class=SensorDeviceClass.TEMPERATURE,
+            device_to_ha=lambda x: x / TEMPERATURE_SCALING_FACTOR,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        entity_class=MatterSensor,
+        required_attributes=(clusters.Thermostat.Attributes.SetpointChangeAmount,),
+        device_type=(device_types.Thermostat,),
+    ),
 ]

homeassistant/components/matter/strings.json

@@ -223,6 +223,9 @@
       "pump_setpoint": {
         "name": "Setpoint"
       },
+      "setpoint_change_source_timestamp": {
+        "name": "Last change"
+      },
       "temperature_offset": {
         "name": "Temperature offset"
       },
@@ -518,6 +521,20 @@
       "rms_voltage": {
         "name": "Effective voltage"
       },
+      "setpoint_change_amount": {
+        "name": "Last change amount"
+      },
+      "setpoint_change_source": {
+        "name": "Last change source",
+        "state": {
+          "external": "External",
+          "manual": "Manual",
+          "schedule": "Schedule"
+        }
+      },
+      "setpoint_change_timestamp": {
+        "name": "Last change"
+      },
       "switch_current_position": {
         "name": "Current switch position"
       },

tests/components/matter/conftest.py

@@ -112,6 +112,7 @@ async def integration_fixture(
         "leak_sensor",
         "light_sensor",
         "microwave_oven",
+        "mock_thermostat",
         "mounted_dimmable_load_control_fixture",
         "multi_endpoint_light",
         "occupancy_sensor",

tests/components/matter/fixtures/nodes/mock_thermostat.json

@@ -0,0 +1,526 @@
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+  "date_commissioned": "2025-11-18T06:53:08.679289",
+  "last_interview": "2025-11-18T06:53:08.679325",
+  "interview_version": 6,
+  "available": true,
+  "is_bridge": false,
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+        "2": 2
+      },
+      {
+        "0": 4,
+        "1": 1,
+        "2": 2
+      },
+      {
+        "0": 5,
+        "1": 1,
+        "2": 2
+      },
+      {
+        "0": 254,
+        "1": 1,
+        "2": 2
+      }
+    ],
+    "1/513/73": [
+      {
+        "0": 4,
+        "1": 1,
+        "2": 2
+      },
+      {
+        "0": 3,
+        "1": 1,
+        "2": 2
+      }
+    ],
+    "1/513/74": 5,
+    "1/513/78": null,
+    "1/513/80": [
+      {
+        "0": "AQ==",
+        "1": 1,
+        "3": 2500,
+        "4": 2100,
+        "5": true
+      },
+      {
+        "0": "Ag==",
+        "1": 2,
+        "3": 2600,
+        "4": 2000,
+        "5": true
+      }
+    ],
+    "1/513/82": 0,
+    "1/513/83": 5,
+    "1/513/84": [],
+    "1/513/85": null,
+    "1/513/86": null,
+    "1/513/65532": 419,
+    "1/513/65533": 9,
+    "1/513/65528": [2, 253],
+    "1/513/65529": [0, 6, 7, 8, 254],
+    "1/513/65531": [
+      0, 1, 3, 4, 5, 6, 7, 8, 16, 17, 18, 21, 22, 23, 24, 25, 26, 27, 28, 30,
+      35, 36, 37, 41, 48, 49, 50, 72, 73, 74, 78, 80, 82, 83, 84, 85, 86, 65532,
+      65533, 65528, 65529, 65531
+    ],
+    "1/516/0": 0,
+    "1/516/1": 0,
+    "1/516/65532": 0,
+    "1/516/65533": 2,
+    "1/516/65528": [],
+    "1/516/65529": [],
+    "1/516/65531": [0, 1, 65532, 65533, 65528, 65529, 65531]
+  },
+  "attribute_subscriptions": []
+}

tests/components/matter/snapshots/test_button.ambr

@@ -2241,6 +2241,104 @@
     'state': 'unknown',
   })
 # ---
+# name: test_buttons[mock_thermostat][button.mock_thermostat_identify_0-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.mock_thermostat_identify_0',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <ButtonDeviceClass.IDENTIFY: 'identify'>,
+    'original_icon': None,
+    'original_name': 'Identify (0)',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-0-IdentifyButton-3-1',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_buttons[mock_thermostat][button.mock_thermostat_identify_0-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'identify',
+      'friendly_name': 'Mock Thermostat Identify (0)',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.mock_thermostat_identify_0',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---
+# name: test_buttons[mock_thermostat][button.mock_thermostat_identify_1-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.mock_thermostat_identify_1',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <ButtonDeviceClass.IDENTIFY: 'identify'>,
+    'original_icon': None,
+    'original_name': 'Identify (1)',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-IdentifyButton-3-1',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_buttons[mock_thermostat][button.mock_thermostat_identify_1-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'identify',
+      'friendly_name': 'Mock Thermostat Identify (1)',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.mock_thermostat_identify_1',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---
 # name: test_buttons[multi_endpoint_light][button.inovelli_identify_1-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({

tests/components/matter/snapshots/test_climate.ambr

@@ -325,6 +325,77 @@
     'state': 'cool',
   })
 # ---
+# name: test_climates[mock_thermostat][climate.mock_thermostat-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'hvac_modes': list([
+        <HVACMode.OFF: 'off'>,
+        <HVACMode.HEAT: 'heat'>,
+        <HVACMode.COOL: 'cool'>,
+        <HVACMode.HEAT_COOL: 'heat_cool'>,
+      ]),
+      'max_temp': 32.0,
+      'min_temp': 7.0,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'climate',
+    'entity_category': None,
+    'entity_id': 'climate.mock_thermostat',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': None,
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': <ClimateEntityFeature: 387>,
+    'translation_key': None,
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-MatterThermostat-513-0',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_climates[mock_thermostat][climate.mock_thermostat-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'current_temperature': 18.0,
+      'friendly_name': 'Mock Thermostat',
+      'hvac_action': <HVACAction.HEATING: 'heating'>,
+      'hvac_modes': list([
+        <HVACMode.OFF: 'off'>,
+        <HVACMode.HEAT: 'heat'>,
+        <HVACMode.COOL: 'cool'>,
+        <HVACMode.HEAT_COOL: 'heat_cool'>,
+      ]),
+      'max_temp': 32.0,
+      'min_temp': 7.0,
+      'supported_features': <ClimateEntityFeature: 387>,
+      'target_temp_high': 26.0,
+      'target_temp_low': 20.0,
+      'temperature': None,
+    }),
+    'context': <ANY>,
+    'entity_id': 'climate.mock_thermostat',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'heat_cool',
+  })
+# ---
 # name: test_climates[room_airconditioner][climate.room_airconditioner-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({

tests/components/matter/snapshots/test_select.ambr

@@ -2257,6 +2257,63 @@
     'state': '1000',
   })
 # ---
+# name: test_selects[mock_thermostat][select.mock_thermostat_temperature_display_mode-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'Celsius',
+        'Fahrenheit',
+      ]),
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'select',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'select.mock_thermostat_temperature_display_mode',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Temperature display mode',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'temperature_display_mode',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-TrvTemperatureDisplayMode-516-0',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_selects[mock_thermostat][select.mock_thermostat_temperature_display_mode-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Mock Thermostat Temperature display mode',
+      'options': list([
+        'Celsius',
+        'Fahrenheit',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'select.mock_thermostat_temperature_display_mode',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'Celsius',
+  })
+# ---
 # name: test_selects[mounted_dimmable_load_control_fixture][select.mock_mounted_dimmable_load_control_power_on_behavior_on_startup-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({

tests/components/matter/snapshots/test_sensor.ambr

@@ -7259,6 +7259,332 @@
     'state': 'stopped',
   })
 # ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_heating_demand-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'sensor.mock_thermostat_heating_demand',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Heating demand',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'pi_heating_demand',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-ThermostatPIHeatingDemand-513-8',
+    'unit_of_measurement': '%',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_heating_demand-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Mock Thermostat Heating demand',
+      'unit_of_measurement': '%',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_heating_demand',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '25',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    '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.mock_thermostat_last_change',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.TIMESTAMP: 'timestamp'>,
+    'original_icon': None,
+    'original_name': 'Last change',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'setpoint_change_timestamp',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-SetpointChangeSourceTimestamp-513-50',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'timestamp',
+      'friendly_name': 'Mock Thermostat Last change',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_last_change',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '2025-10-31T23:00:00+00:00',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change_amount-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.mock_thermostat_last_change_amount',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Last change amount',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'setpoint_change_amount',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-ThermostatSetpointChangeAmount-513-49',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change_amount-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Mock Thermostat Last change amount',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_last_change_amount',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '1.5',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change_source-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'options': list([
+        'manual',
+        'schedule',
+        'external',
+      ]),
+    }),
+    '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.mock_thermostat_last_change_source',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.ENUM: 'enum'>,
+    'original_icon': None,
+    'original_name': 'Last change source',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'setpoint_change_source',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-SetpointChangeSource-513-48',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_last_change_source-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'enum',
+      'friendly_name': 'Mock Thermostat Last change source',
+      'options': list([
+        'manual',
+        'schedule',
+        'external',
+      ]),
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_last_change_source',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'manual',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_outdoor_temperature-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.mock_thermostat_outdoor_temperature',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Outdoor temperature',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'outdoor_temperature',
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-ThermostatOutdoorTemperature-513-1',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_outdoor_temperature-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Mock Thermostat Outdoor temperature',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_outdoor_temperature',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '5.0',
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_temperature-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.mock_thermostat_temperature',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Temperature',
+    'platform': 'matter',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '00000000000004D2-0000000000000096-MatterNodeDevice-1-ThermostatLocalTemperature-513-0',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_sensors[mock_thermostat][sensor.mock_thermostat_temperature-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Mock Thermostat Temperature',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.mock_thermostat_temperature',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '18.0',
+  })
+# ---
 # name: test_sensors[multi_endpoint_light][sensor.inovelli_current_switch_position_config-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({

tests/components/matter/test_sensor.py

@@ -697,3 +697,91 @@ async def test_vacuum_operational_error_sensor(
     state = hass.states.get("sensor.mock_vacuum_operational_error")
     assert state
     assert state.state == "unknown"
+
+
+@pytest.mark.parametrize("node_fixture", ["mock_thermostat"])
+async def test_thermostat_setpoint_change_source(
+    hass: HomeAssistant,
+    matter_client: MagicMock,
+    matter_node: MatterNode,
+) -> None:
+    """Test Thermostat SetpointChangeSource sensor."""
+    # Thermostat Cluster / SetpointChangeSource attribute (1/513/48)
+    state = hass.states.get("sensor.mock_thermostat_last_change_source")
+    assert state
+    assert state.state == "manual"
+    assert state.attributes["options"] == ["manual", "schedule", "external"]
+
+    # Test schedule source
+    set_node_attribute(matter_node, 1, 513, 48, 1)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change_source")
+    assert state
+    assert state.state == "schedule"
+
+    # Test external source
+    set_node_attribute(matter_node, 1, 513, 48, 2)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change_source")
+    assert state
+    assert state.state == "external"
+
+
+@pytest.mark.parametrize("node_fixture", ["mock_thermostat"])
+async def test_thermostat_setpoint_change_timestamp(
+    hass: HomeAssistant,
+    matter_client: MagicMock,
+    matter_node: MatterNode,
+) -> None:
+    """Test Thermostat SetpointChangeSourceTimestamp sensor."""
+    # Thermostat Cluster / SetpointChangeSourceTimestamp attribute (1/513/50)
+    state = hass.states.get("sensor.mock_thermostat_last_change")
+    assert state
+    assert state.state == "2025-10-31T23:00:00+00:00"
+
+    # Update to a new timestamp (2024-11-15 12:00:00 UTC)
+    set_node_attribute(matter_node, 1, 513, 50, 1731672000)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change")
+    assert state
+    assert state.state == "2024-11-15T12:00:00+00:00"
+
+    # Test zero value (should be None/unknown)
+    set_node_attribute(matter_node, 1, 513, 50, 0)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change")
+    assert state
+    assert state.state == "unknown"
+
+
+@pytest.mark.parametrize("node_fixture", ["mock_thermostat"])
+async def test_thermostat_setpoint_change_amount(
+    hass: HomeAssistant,
+    matter_client: MagicMock,
+    matter_node: MatterNode,
+) -> None:
+    """Test Thermostat SetpointChangeAmount sensor."""
+    # Thermostat Cluster / SetpointChangeAmount attribute (1/513/49)
+    state = hass.states.get("sensor.mock_thermostat_last_change_amount")
+    assert state
+    assert state.state == "1.5"
+
+    # Update to 2.0°C (200 in Matter units)
+    set_node_attribute(matter_node, 1, 513, 49, 200)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change_amount")
+    assert state
+    assert state.state == "2.0"
+
+    # Update to -0.5°C (-50 in Matter units)
+    set_node_attribute(matter_node, 1, 513, 49, -50)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("sensor.mock_thermostat_last_change_amount")
+    assert state
+    assert state.state == "-0.5"