Use relative trigger keys (#149846)

tests/helpers/test_automation.py

@@ -0,0 +1,36 @@
+"""Test automation helpers."""
+
+import pytest
+
+from homeassistant.helpers.automation import (
+    get_absolute_description_key,
+    get_relative_description_key,
+)
+
+
+@pytest.mark.parametrize(
+    ("relative_key", "absolute_key"),
+    [
+        ("turned_on", "homeassistant.turned_on"),
+        ("_", "homeassistant"),
+        ("_state", "state"),
+    ],
+)
+def test_absolute_description_key(relative_key: str, absolute_key: str) -> None:
+    """Test absolute description key."""
+    DOMAIN = "homeassistant"
+    assert get_absolute_description_key(DOMAIN, relative_key) == absolute_key
+
+
+@pytest.mark.parametrize(
+    ("relative_key", "absolute_key"),
+    [
+        ("turned_on", "homeassistant.turned_on"),
+        ("_", "homeassistant"),
+        ("_state", "state"),
+    ],
+)
+def test_relative_description_key(relative_key: str, absolute_key: str) -> None:
+    """Test relative description key."""
+    DOMAIN = "homeassistant"
+    assert get_relative_description_key(DOMAIN, absolute_key) == relative_key