Refactor logbook to reduce overhead and complexity (#71509)

tests/components/logbook/common.py

@@ -0,0 +1,58 @@
+"""Tests for the logbook component."""
+from __future__ import annotations
+
+import json
+from typing import Any
+
+from homeassistant.components import logbook
+from homeassistant.components.recorder.models import process_timestamp_to_utc_isoformat
+from homeassistant.core import Context
+from homeassistant.helpers.json import JSONEncoder
+import homeassistant.util.dt as dt_util
+
+
+class MockRow:
+    """Minimal row mock."""
+
+    def __init__(
+        self,
+        event_type: str,
+        data: dict[str, Any] | None = None,
+        context: Context | None = None,
+    ):
+        """Init the fake row."""
+        self.event_type = event_type
+        self.shared_data = json.dumps(data, cls=JSONEncoder)
+        self.data = data
+        self.time_fired = dt_util.utcnow()
+        self.context_parent_id = context.parent_id if context else None
+        self.context_user_id = context.user_id if context else None
+        self.context_id = context.id if context else None
+        self.state = None
+        self.entity_id = None
+
+    @property
+    def time_fired_minute(self):
+        """Minute the event was fired."""
+        return self.time_fired.minute
+
+    @property
+    def time_fired_isoformat(self):
+        """Time event was fired in utc isoformat."""
+        return process_timestamp_to_utc_isoformat(self.time_fired)
+
+
+def mock_humanify(hass_, rows):
+    """Wrap humanify with mocked logbook objects."""
+    event_data_cache = {}
+    context_lookup = {}
+    entity_name_cache = logbook.EntityNameCache(hass_)
+    event_cache = logbook.EventCache(event_data_cache)
+    context_augmenter = logbook.ContextAugmenter(
+        context_lookup, entity_name_cache, {}, event_cache
+    )
+    return list(
+        logbook.humanify(
+            hass_, rows, entity_name_cache, event_cache, context_augmenter
+        ),
+    )