Add sensor for brew start time to lamarzocco (#144423)

* Add sensor for brew start time to lamarzocco

* pytestmark

homeassistant/components/lamarzocco/icons.json

@@ -82,6 +82,9 @@
       "steam_boiler_ready_time": {
         "default": "mdi:av-timer"
       },
+      "brewing_start_time": {
+        "default": "mdi:clock-start"
+      },
       "total_coffees_made": {
         "default": "mdi:coffee"
       },

homeassistant/components/lamarzocco/sensor.py

@@ -11,6 +11,7 @@ from pylamarzocco.models import (
     BaseWidgetOutput,
     CoffeeAndFlushCounter,
     CoffeeBoiler,
+    MachineStatus,
     SteamBoilerLevel,
     SteamBoilerTemperature,
 )
@@ -72,6 +73,18 @@ ENTITIES: tuple[LaMarzoccoSensorEntityDescription, ...] = (
             in (ModelName.LINEA_MICRA, ModelName.LINEA_MINI_R)
         ),
     ),
+    LaMarzoccoSensorEntityDescription(
+        key="brewing_start_time",
+        translation_key="brewing_start_time",
+        device_class=SensorDeviceClass.TIMESTAMP,
+        value_fn=(
+            lambda config: cast(
+                MachineStatus, config[WidgetType.CM_MACHINE_STATUS]
+            ).brewing_start_time
+        ),
+        entity_category=EntityCategory.DIAGNOSTIC,
+        available_fn=(lambda coordinator: not coordinator.websocket_terminated),
+    ),
     LaMarzoccoSensorEntityDescription(
         key="steam_boiler_ready_time",
         translation_key="steam_boiler_ready_time",

homeassistant/components/lamarzocco/strings.json

@@ -147,6 +147,9 @@
       "steam_boiler_ready_time": {
         "name": "Steam boiler ready time"
       },
+      "brewing_start_time": {
+        "name": "Brewing start time"
+      },
       "total_coffees_made": {
         "name": "Total coffees made",
         "unit_of_measurement": "coffees"

tests/components/lamarzocco/conftest.py

@@ -128,3 +128,13 @@ def mock_ble_device() -> BLEDevice:
     return BLEDevice(
         "00:00:00:00:00:00", "GS_GS012345", details={"path": "path"}, rssi=50
     )
+
+
+@pytest.fixture
+def mock_websocket_terminated() -> Generator[bool]:
+    """Mock websocket terminated."""
+    with patch(
+        "homeassistant.components.lamarzocco.coordinator.LaMarzoccoUpdateCoordinator.websocket_terminated",
+        new=False,
+    ) as mock_websocket_terminated:
+        yield mock_websocket_terminated

tests/components/lamarzocco/fixtures/config_gs3.json

@@ -25,7 +25,7 @@
           "status": "StandBy",
           "startTime": 1742857195332
         },
-        "brewingStartTime": null
+        "brewingStartTime": 1746641060000
       },
       "tutorialUrl": null
     },

tests/components/lamarzocco/snapshots/test_diagnostics.ambr

@@ -90,7 +90,7 @@
               'BrewingMode',
               'StandBy',
             ]),
-            'brewing_start_time': None,
+            'brewing_start_time': '2025-05-07T18:04:20+00:00',
             'mode': 'BrewingMode',
             'next_status': dict({
               'start_time': '2025-03-24T22:59:55.332000+00:00',
@@ -297,7 +297,7 @@
                 'BrewingMode',
                 'StandBy',
               ]),
-              'brewing_start_time': None,
+              'brewing_start_time': '2025-05-07T18:04:20+00:00',
               'mode': 'BrewingMode',
               'next_status': dict({
                 'start_time': '2025-03-24T22:59:55.332000+00:00',

tests/components/lamarzocco/snapshots/test_sensor.ambr

@@ -1,4 +1,52 @@
 # serializer version: 1
+# name: test_sensors[sensor.gs012345_brewing_start_time-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.gs012345_brewing_start_time',
+    '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': 'Brewing start time',
+    'platform': 'lamarzocco',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'brewing_start_time',
+    'unique_id': 'GS012345_brewing_start_time',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_sensors[sensor.gs012345_brewing_start_time-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'timestamp',
+      'friendly_name': 'GS012345 Brewing start time',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.gs012345_brewing_start_time',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '2025-05-07T18:04:20+00:00',
+  })
+# ---
 # name: test_sensors[sensor.gs012345_coffee_boiler_ready_time-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({

tests/components/lamarzocco/test_binary_sensor.py

@@ -17,6 +17,8 @@ from . import async_init_integration
 
 from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform
 
+pytestmark = pytest.mark.usefixtures("mock_websocket_terminated")
+
 
 @pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_binary_sensors(

tests/components/lamarzocco/test_sensor.py

@@ -14,6 +14,8 @@ from . import async_init_integration
 
 from tests.common import MockConfigEntry, snapshot_platform
 
+pytestmark = pytest.mark.usefixtures("mock_websocket_terminated")
+
 
 async def test_sensors(
     hass: HomeAssistant,