Add humidifier triggers (#159163)

homeassistant/components/automation/__init__.py

@@ -130,6 +130,7 @@ _EXPERIMENTAL_TRIGGER_PLATFORMS = {
     "cover",
     "device_tracker",
     "fan",
+    "humidifier",
     "lawn_mower",
     "light",
     "media_player",

homeassistant/components/humidifier/icons.json

@@ -48,5 +48,19 @@
     "turn_on": {
       "service": "mdi:air-humidifier"
     }
+  },
+  "triggers": {
+    "started_drying": {
+      "trigger": "mdi:arrow-down-bold"
+    },
+    "started_humidifying": {
+      "trigger": "mdi:arrow-up-bold"
+    },
+    "turned_off": {
+      "trigger": "mdi:air-humidifier-off"
+    },
+    "turned_on": {
+      "trigger": "mdi:air-humidifier-on"
+    }
   }
 }

homeassistant/components/humidifier/strings.json

@@ -1,4 +1,8 @@
 {
+  "common": {
+    "trigger_behavior_description": "The behavior of the targeted humidifiers to trigger on.",
+    "trigger_behavior_name": "Behavior"
+  },
   "device_automation": {
     "action_type": {
       "set_humidity": "Set humidity for {entity_name}",
@@ -86,6 +90,15 @@
       "message": "Provided humidity {humidity} is not valid. Accepted range is {min_humidity} to {max_humidity}."
     }
   },
+  "selector": {
+    "trigger_behavior": {
+      "options": {
+        "any": "Any",
+        "first": "First",
+        "last": "Last"
+      }
+    }
+  },
   "services": {
     "set_humidity": {
       "description": "Sets the target humidity.",
@@ -120,5 +133,47 @@
       "name": "[%key:common::action::turn_on%]"
     }
   },
-  "title": "Humidifier"
+  "title": "Humidifier",
+  "triggers": {
+    "started_drying": {
+      "description": "Triggers after one or more humidifiers start drying.",
+      "fields": {
+        "behavior": {
+          "description": "[%key:component::humidifier::common::trigger_behavior_description%]",
+          "name": "[%key:component::humidifier::common::trigger_behavior_name%]"
+        }
+      },
+      "name": "Humidifier started drying"
+    },
+    "started_humidifying": {
+      "description": "Triggers after one or more humidifiers start humidifying.",
+      "fields": {
+        "behavior": {
+          "description": "[%key:component::humidifier::common::trigger_behavior_description%]",
+          "name": "[%key:component::humidifier::common::trigger_behavior_name%]"
+        }
+      },
+      "name": "Humidifier started humidifying"
+    },
+    "turned_off": {
+      "description": "Triggers after one or more humidifiers turn off.",
+      "fields": {
+        "behavior": {
+          "description": "[%key:component::humidifier::common::trigger_behavior_description%]",
+          "name": "[%key:component::humidifier::common::trigger_behavior_name%]"
+        }
+      },
+      "name": "Humidifier turned off"
+    },
+    "turned_on": {
+      "description": "Triggers after one or more humidifiers turn on.",
+      "fields": {
+        "behavior": {
+          "description": "[%key:component::humidifier::common::trigger_behavior_description%]",
+          "name": "[%key:component::humidifier::common::trigger_behavior_name%]"
+        }
+      },
+      "name": "Humidifier turned on"
+    }
+  }
 }

homeassistant/components/humidifier/trigger.py

@@ -0,0 +1,27 @@
+"""Provides triggers for humidifiers."""
+
+from homeassistant.const import STATE_OFF, STATE_ON
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.trigger import (
+    Trigger,
+    make_entity_target_state_attribute_trigger,
+    make_entity_target_state_trigger,
+)
+
+from .const import ATTR_ACTION, DOMAIN, HumidifierAction
+
+TRIGGERS: dict[str, type[Trigger]] = {
+    "started_drying": make_entity_target_state_attribute_trigger(
+        DOMAIN, ATTR_ACTION, HumidifierAction.DRYING
+    ),
+    "started_humidifying": make_entity_target_state_attribute_trigger(
+        DOMAIN, ATTR_ACTION, HumidifierAction.HUMIDIFYING
+    ),
+    "turned_off": make_entity_target_state_trigger(DOMAIN, STATE_OFF),
+    "turned_on": make_entity_target_state_trigger(DOMAIN, STATE_ON),
+}
+
+
+async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
+    """Return the triggers for humidifiers."""
+    return TRIGGERS

homeassistant/components/humidifier/triggers.yaml

@@ -0,0 +1,20 @@
+.trigger_common: &trigger_common
+  target:
+    entity:
+      domain: humidifier
+  fields:
+    behavior:
+      required: true
+      default: any
+      selector:
+        select:
+          translation_key: trigger_behavior
+          options:
+            - first
+            - last
+            - any
+
+started_drying: *trigger_common
+started_humidifying: *trigger_common
+turned_on: *trigger_common
+turned_off: *trigger_common

tests/components/humidifier/test_trigger.py

@@ -0,0 +1,398 @@
+"""Test humidifier trigger."""
+
+from collections.abc import Generator
+from unittest.mock import patch
+
+import pytest
+
+from homeassistant.components.humidifier.const import ATTR_ACTION, HumidifierAction
+from homeassistant.const import ATTR_LABEL_ID, CONF_ENTITY_ID, STATE_OFF, STATE_ON
+from homeassistant.core import HomeAssistant, ServiceCall
+
+from tests.components import (
+    StateDescription,
+    arm_trigger,
+    parametrize_target_entities,
+    parametrize_trigger_states,
+    set_or_remove_state,
+    target_entities,
+)
+
+
+@pytest.fixture(autouse=True, name="stub_blueprint_populate")
+def stub_blueprint_populate_autouse(stub_blueprint_populate: None) -> None:
+    """Stub copying the blueprints to the config folder."""
+
+
+@pytest.fixture(name="enable_experimental_triggers_conditions")
+def enable_experimental_triggers_conditions() -> Generator[None]:
+    """Enable experimental triggers and conditions."""
+    with patch(
+        "homeassistant.components.labs.async_is_preview_feature_enabled",
+        return_value=True,
+    ):
+        yield
+
+
+@pytest.fixture
+async def target_humidifiers(hass: HomeAssistant) -> list[str]:
+    """Create multiple humidifier entities associated with different targets."""
+    return (await target_entities(hass, "humidifier"))["included"]
+
+
+@pytest.mark.parametrize(
+    "trigger_key",
+    [
+        "humidifier.started_drying",
+        "humidifier.started_humidifying",
+        "humidifier.turned_off",
+        "humidifier.turned_on",
+    ],
+)
+async def test_humidifier_triggers_gated_by_labs_flag(
+    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, trigger_key: str
+) -> None:
+    """Test the humidifier triggers are gated by the labs flag."""
+    await arm_trigger(hass, trigger_key, None, {ATTR_LABEL_ID: "test_label"})
+    assert (
+        "Unnamed automation failed to setup triggers and has been disabled: Trigger "
+        f"'{trigger_key}' requires the experimental 'New triggers and conditions' "
+        "feature to be enabled in Home Assistant Labs settings (feature flag: "
+        "'new_triggers_conditions')"
+    ) in caplog.text
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_on",
+            target_states=[STATE_ON],
+            other_states=[STATE_OFF],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_off",
+            target_states=[STATE_OFF],
+            other_states=[STATE_ON],
+        ),
+    ],
+)
+async def test_humidifier_state_trigger_behavior_any(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[StateDescription],
+) -> None:
+    """Test that the humidifier state trigger fires when any humidifier state changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()
+
+        # Check if changing other humidifiers also triggers
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == (entities_in_target - 1) * state["count"]
+        service_calls.clear()
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.started_drying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.DRYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.started_humidifying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.HUMIDIFYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+    ],
+)
+async def test_humidifier_state_attribute_trigger_behavior_any(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[StateDescription],
+) -> None:
+    """Test that the humidifier state trigger fires when any humidifier state changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()
+
+        # Check if changing other humidifiers also triggers
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == (entities_in_target - 1) * state["count"]
+        service_calls.clear()
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_on",
+            target_states=[STATE_ON],
+            other_states=[STATE_OFF],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_off",
+            target_states=[STATE_OFF],
+            other_states=[STATE_ON],
+        ),
+    ],
+)
+async def test_humidifier_state_trigger_behavior_first(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[StateDescription],
+) -> None:
+    """Test that the humidifier state trigger fires when the first humidifier changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {"behavior": "first"}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()
+
+        # Triggering other humidifiers should not cause the trigger to fire again
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == 0
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.started_drying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.DRYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.started_humidifying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.HUMIDIFYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+    ],
+)
+async def test_humidifier_state_attribute_trigger_behavior_first(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[tuple[tuple[str, dict], int]],
+) -> None:
+    """Test that the humidifier state trigger fires when the first humidifier state changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {"behavior": "first"}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()
+
+        # Triggering other humidifiers should not cause the trigger to fire again
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == 0
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_on",
+            target_states=[STATE_ON],
+            other_states=[STATE_OFF],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.turned_off",
+            target_states=[STATE_OFF],
+            other_states=[STATE_ON],
+        ),
+    ],
+)
+async def test_humidifier_state_trigger_behavior_last(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[StateDescription],
+) -> None:
+    """Test that the humidifier state trigger fires when the last humidifier changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {"behavior": "last"}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == 0
+
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()
+
+
+@pytest.mark.usefixtures("enable_experimental_triggers_conditions")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities("humidifier"),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        *parametrize_trigger_states(
+            trigger="humidifier.started_drying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.DRYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+        *parametrize_trigger_states(
+            trigger="humidifier.started_humidifying",
+            target_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.HUMIDIFYING})],
+            other_states=[(STATE_ON, {ATTR_ACTION: HumidifierAction.IDLE})],
+        ),
+    ],
+)
+async def test_humidifier_state_attribute_trigger_behavior_last(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_humidifiers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[tuple[tuple[str, dict], int]],
+) -> None:
+    """Test that the humidifier state trigger fires when the last humidifier state changes to a specific state."""
+    other_entity_ids = set(target_humidifiers) - {entity_id}
+
+    # Set all humidifiers, including the tested humidifier, to the initial state
+    for eid in target_humidifiers:
+        set_or_remove_state(hass, eid, states[0]["included"])
+        await hass.async_block_till_done()
+
+    await arm_trigger(hass, trigger, {"behavior": "last"}, trigger_target_config)
+
+    for state in states[1:]:
+        included_state = state["included"]
+        for other_entity_id in other_entity_ids:
+            set_or_remove_state(hass, other_entity_id, included_state)
+            await hass.async_block_till_done()
+        assert len(service_calls) == 0
+
+        set_or_remove_state(hass, entity_id, included_state)
+        await hass.async_block_till_done()
+        assert len(service_calls) == state["count"]
+        for service_call in service_calls:
+            assert service_call.data[CONF_ENTITY_ID] == entity_id
+        service_calls.clear()