Restore group support to plant entities (#41519)

homeassistant/components/plant/group.py

@@ -0,0 +1,15 @@
+"""Describe group states."""
+
+
+from homeassistant.components.group import GroupIntegrationRegistry
+from homeassistant.const import STATE_OK, STATE_PROBLEM
+from homeassistant.core import callback
+from homeassistant.helpers.typing import HomeAssistantType
+
+
+@callback
+def async_describe_on_off_states(
+    hass: HomeAssistantType, registry: GroupIntegrationRegistry
+) -> None:
+    """Describe group on off states."""
+    registry.on_off_states({STATE_PROBLEM}, STATE_OK)

tests/components/group/test_init.py

@@ -1219,3 +1219,66 @@ async def test_group_that_references_two_types_of_groups(hass):
     assert hass.states.get("group.covers").state == "closed"
     assert hass.states.get("group.device_trackers").state == "home"
     assert hass.states.get("group.grouped_group").state == "on"
+
+
+async def test_plant_group(hass):
+    """Test plant states can be grouped."""
+
+    entity_ids = [
+        "plant.upstairs",
+        "plant.downstairs",
+    ]
+
+    assert await async_setup_component(
+        hass,
+        "plant",
+        {
+            "plant": {
+                "plantname": {
+                    "sensors": {
+                        "moisture": "sensor.mqtt_plant_moisture",
+                        "battery": "sensor.mqtt_plant_battery",
+                        "temperature": "sensor.mqtt_plant_temperature",
+                        "conductivity": "sensor.mqtt_plant_conductivity",
+                        "brightness": "sensor.mqtt_plant_brightness",
+                    },
+                    "min_moisture": 20,
+                    "max_moisture": 60,
+                    "min_battery": 17,
+                    "min_conductivity": 500,
+                    "min_temperature": 15,
+                    "min_brightness": 500,
+                }
+            }
+        },
+    )
+    assert await async_setup_component(
+        hass,
+        "group",
+        {
+            "group": {
+                "plants": {"entities": entity_ids},
+                "plant_with_binary_sensors": {
+                    "entities": [*entity_ids, "binary_sensor.planter"]
+                },
+            }
+        },
+    )
+    await hass.async_block_till_done()
+
+    hass.states.async_set("binary_sensor.planter", "off")
+    for entity_id in entity_ids:
+        hass.states.async_set(entity_id, "ok")
+    await hass.async_block_till_done()
+    await hass.async_block_till_done()
+
+    assert hass.states.get("group.plants").state == "ok"
+    assert hass.states.get("group.plant_with_binary_sensors").state == "off"
+
+    hass.states.async_set("binary_sensor.planter", "on")
+    for entity_id in entity_ids:
+        hass.states.async_set(entity_id, "problem")
+
+    await hass.async_block_till_done()
+    assert hass.states.get("group.plants").state == "problem"
+    assert hass.states.get("group.plant_with_binary_sensors").state == "on"