Deprecated old backports and typing aliases (#114883)

tests/test_backports.py

@@ -0,0 +1,41 @@
+"""Test backports package."""
+
+from __future__ import annotations
+
+from enum import StrEnum
+from functools import cached_property
+from types import ModuleType
+from typing import Any
+
+import pytest
+
+from homeassistant.backports import (
+    enum as backports_enum,
+    functools as backports_functools,
+)
+
+from tests.common import import_and_test_deprecated_alias
+
+
+@pytest.mark.parametrize(
+    ("module", "replacement", "breaks_in_ha_version"),
+    [
+        (backports_enum, StrEnum, "2025.5"),
+        (backports_functools, cached_property, "2025.5"),
+    ],
+)
+def test_deprecated_aliases(
+    caplog: pytest.LogCaptureFixture,
+    module: ModuleType,
+    replacement: Any,
+    breaks_in_ha_version: str,
+) -> None:
+    """Test deprecated aliases."""
+    alias_name = replacement.__name__
+    import_and_test_deprecated_alias(
+        caplog,
+        module,
+        alias_name,
+        replacement,
+        breaks_in_ha_version,
+    )