참고소스 수정본

참고/neo4j-graphrag-python-main/tests/unit/utils/test_validation.py

@@ -0,0 +1,32 @@
+#  Copyright (c) "Neo4j"
+#  Neo4j Sweden AB [https://neo4j.com]
+#  #
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#  #
+#      https://www.apache.org/licenses/LICENSE-2.0
+#  #
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+from typing import Tuple, Type, cast
+
+from neo4j_graphrag.utils.validation import issubclass_safe
+
+
+def test_issubclass_safe_direct_subclass() -> None:
+    assert issubclass_safe(bool, int) is True
+
+
+def test_issubclass_safe_not_subclass_returns_false() -> None:
+    # Covers the `return False` branch (line 45)
+    assert issubclass_safe(str, int) is False
+
+
+def test_issubclass_safe_with_tuple() -> None:
+    # Covers the `isinstance(class_or_tuple, tuple)` branch (line 32)
+    assert issubclass_safe(bool, cast(Tuple[Type[object]], (str, int))) is True
+    assert issubclass_safe(str, cast(Tuple[Type[object]], (int, float))) is False