fix test case naming

homeassistant/components/automation/__init__.py

@@ -148,6 +148,7 @@ _EXPERIMENTAL_TRIGGER_PLATFORMS = {
     "light",
     "lock",
     "media_player",
+    "number",
     "person",
     "scene",
     "siren",

homeassistant/components/number/icons.json

@@ -173,5 +173,10 @@
     "set_value": {
       "service": "mdi:numeric"
     }
+  },
+  "triggers": {
+    "changed": {
+      "trigger": "mdi:counter"
+    }
   }
 }

homeassistant/components/number/strings.json

@@ -204,5 +204,11 @@
       "name": "Set"
     }
   },
-  "title": "Number"
+  "title": "Number",
+  "triggers": {
+    "changed": {
+      "description": "Triggers when a number value changes.",
+      "name": "Number changed"
+    }
+  }
 }

homeassistant/components/number/trigger.py

@@ -0,0 +1,18 @@
+"""Provides triggers for number entities."""
+
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.trigger import (
+    Trigger,
+    make_entity_numerical_state_changed_trigger,
+)
+
+from .const import DOMAIN
+
+TRIGGERS: dict[str, type[Trigger]] = {
+    "changed": make_entity_numerical_state_changed_trigger(DOMAIN),
+}
+
+
+async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
+    """Return the triggers for number entities."""
+    return TRIGGERS

homeassistant/components/number/triggers.yaml

@@ -0,0 +1,4 @@
+changed:
+  target:
+    entity:
+      domain: number

homeassistant/helpers/trigger.py

@@ -657,6 +657,19 @@ class EntityNumericalStateAttributeChangedTriggerBase(EntityTriggerBase):
         return True
 
 
+class EntityNumericalStateChangedTriggerBase(EntityTriggerBase):
+    """Trigger for numerical state changes."""
+
+    def is_valid_state(self, state: State) -> bool:
+        """Check if the new state matches the expected one."""
+        try:
+            float(state.state)
+        except TypeError, ValueError:
+            # State is not a valid number, don't trigger
+            return False
+        return True
+
+
 CONF_LOWER_LIMIT = "lower_limit"
 CONF_UPPER_LIMIT = "upper_limit"
 CONF_THRESHOLD_TYPE = "threshold_type"
@@ -855,6 +868,19 @@ def make_entity_numerical_state_attribute_crossed_threshold_trigger(
     return CustomTrigger
 
 
+def make_entity_numerical_state_changed_trigger(
+    domain: str,
+) -> type[EntityNumericalStateChangedTriggerBase]:
+    """Create a trigger for numerical state change."""
+
+    class CustomTrigger(EntityNumericalStateChangedTriggerBase):
+        """Trigger for numerical state changes."""
+
+        _domain = domain
+
+    return CustomTrigger
+
+
 def make_entity_target_state_attribute_trigger(
     domain: str, attribute: str, to_state: str
 ) -> type[EntityTargetStateAttributeTriggerBase]:

tests/components/number/test_trigger.py

@@ -0,0 +1,114 @@
+"""Test number entity trigger."""
+
+import pytest
+
+from homeassistant.components.number.const import DOMAIN
+from homeassistant.const import ATTR_LABEL_ID, CONF_ENTITY_ID
+from homeassistant.core import HomeAssistant, ServiceCall
+
+from tests.components import (
+    TriggerStateDescription,
+    arm_trigger,
+    parametrize_target_entities,
+    set_or_remove_state,
+    target_entities,
+)
+
+
+@pytest.fixture
+async def target_numbers(hass: HomeAssistant) -> list[str]:
+    """Create multiple number entities associated with different targets."""
+    return (await target_entities(hass, DOMAIN))["included"]
+
+
+@pytest.mark.parametrize(
+    "trigger_key",
+    [
+        "number.changed",
+    ],
+)
+async def test_number_triggers_gated_by_labs_flag(
+    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, trigger_key: str
+) -> None:
+    """Test the number entity 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_labs_preview_features")
+@pytest.mark.parametrize(
+    ("trigger_target_config", "entity_id", "entities_in_target"),
+    parametrize_target_entities(DOMAIN),
+)
+@pytest.mark.parametrize(
+    ("trigger", "states"),
+    [
+        (
+            "number.changed",
+            [
+                {"included": {"state": None, "attributes": {}}, "count": 0},
+                {"included": {"state": "1", "attributes": {}}, "count": 0},
+                {"included": {"state": "2", "attributes": {}}, "count": 1},
+            ],
+        ),
+        (
+            "number.changed",
+            [
+                {"included": {"state": "1", "attributes": {}}, "count": 0},
+                {"included": {"state": "1.1", "attributes": {}}, "count": 1},
+                {"included": {"state": "1", "attributes": {}}, "count": 1},
+                {"included": {"state": None, "attributes": {}}, "count": 0},
+                {"included": {"state": "2", "attributes": {}}, "count": 0},
+                {"included": {"state": "1.5", "attributes": {}}, "count": 1},
+            ],
+        ),
+        (
+            "number.changed",
+            [
+                {"included": {"state": "1", "attributes": {}}, "count": 0},
+                {"included": {"state": "not a number", "attributes": {}}, "count": 0},
+                {"included": {"state": "2", "attributes": {}}, "count": 1},
+            ],
+        ),
+    ],
+)
+async def test_number_changed_trigger_behavior(
+    hass: HomeAssistant,
+    service_calls: list[ServiceCall],
+    target_numbers: list[str],
+    trigger_target_config: dict,
+    entity_id: str,
+    entities_in_target: int,
+    trigger: str,
+    states: list[TriggerStateDescription],
+) -> None:
+    """Test that the number changed trigger behaves correctly."""
+    other_entity_ids = set(target_numbers) - {entity_id}
+
+    # Set all numbers, including the tested number, to the initial state
+    for eid in target_numbers:
+        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 that changing other numbers 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()