Allow teaching logbook about events (#32444)

* Allow teaching logbook about events

* Use async_add_executor_job

* Fix tests

tests/components/alexa/test_init.py

@@ -0,0 +1,63 @@
+"""Tests for alexa."""
+from homeassistant.components import logbook
+from homeassistant.components.alexa.const import EVENT_ALEXA_SMART_HOME
+import homeassistant.core as ha
+from homeassistant.setup import async_setup_component
+
+
+async def test_humanify_alexa_event(hass):
+    """Test humanifying Alexa event."""
+    await async_setup_component(hass, "alexa", {})
+    hass.states.async_set("light.kitchen", "on", {"friendly_name": "Kitchen Light"})
+
+    results = list(
+        logbook.humanify(
+            hass,
+            [
+                ha.Event(
+                    EVENT_ALEXA_SMART_HOME,
+                    {"request": {"namespace": "Alexa.Discovery", "name": "Discover"}},
+                ),
+                ha.Event(
+                    EVENT_ALEXA_SMART_HOME,
+                    {
+                        "request": {
+                            "namespace": "Alexa.PowerController",
+                            "name": "TurnOn",
+                            "entity_id": "light.kitchen",
+                        }
+                    },
+                ),
+                ha.Event(
+                    EVENT_ALEXA_SMART_HOME,
+                    {
+                        "request": {
+                            "namespace": "Alexa.PowerController",
+                            "name": "TurnOn",
+                            "entity_id": "light.non_existing",
+                        }
+                    },
+                ),
+            ],
+        )
+    )
+
+    event1, event2, event3 = results
+
+    assert event1["name"] == "Amazon Alexa"
+    assert event1["message"] == "send command Alexa.Discovery/Discover"
+    assert event1["entity_id"] is None
+
+    assert event2["name"] == "Amazon Alexa"
+    assert (
+        event2["message"]
+        == "send command Alexa.PowerController/TurnOn for Kitchen Light"
+    )
+    assert event2["entity_id"] == "light.kitchen"
+
+    assert event3["name"] == "Amazon Alexa"
+    assert (
+        event3["message"]
+        == "send command Alexa.PowerController/TurnOn for light.non_existing"
+    )
+    assert event3["entity_id"] == "light.non_existing"