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

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+#  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.

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

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+#  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 Any
+from unittest.mock import patch
+
+import pytest
+from pydantic import ValidationError
+
+from neo4j_viz import VisualizationGraph
+from neo4j_graphrag.experimental.components.schema import GraphSchema
+from neo4j_graphrag.experimental.utils.schema import schema_visualization
+
+
+@pytest.fixture(scope="module")
+def valid_schema_dict() -> dict[str, Any]:
+    return {
+        "node_types": [
+            "Location",
+            {
+                "label": "Person",
+                "properties": [
+                    {"name": "name", "type": "STRING", "required": True},
+                    {"name": "birthYear", "type": "INTEGER"},
+                ],
+            },
+        ],
+        "relationship_types": [
+            "BORN_IN",
+            {
+                "label": "KNOWS",
+                "properties": [
+                    {"name": "since", "type": "LOCAL_DATETIME"},
+                ],
+            },
+        ],
+        "patterns": [
+            ("Person", "BORN_IN", "Location"),
+            ("Person", "KNOWS", "Person"),
+        ],
+    }
+
+
+@pytest.fixture(scope="module")
+def invalid_schema_dict() -> dict[str, Any]:
+    return {
+        "node_types": [
+            {
+                "label": "Person",
+                "properties": [
+                    {"name": "name", "type": "STRING", "required": True},
+                    {"name": "birthYear", "type": "INTEGER"},
+                ],
+            },
+        ],
+        "relationship_types": [
+            "BORN_IN",
+        ],
+        "patterns": [
+            (
+                "Person",
+                "BORN_IN",
+                "Location",
+            ),  # invalid pattern, "Location" node type not defined
+        ],
+    }
+
+
+@patch("neo4j_graphrag.experimental.utils.schema.VisualizationGraph", None)
+def test_schema_visualization_import_error() -> None:
+    with pytest.raises(ImportError):
+        schema_visualization({})
+
+
+def test_schema_visualization_invalid_schema_dict(
+    invalid_schema_dict: dict[str, Any],
+) -> None:
+    with pytest.raises(ValidationError):
+        schema_visualization(invalid_schema_dict)
+
+
+def test_schema_visualization_valid_schema_dict(
+    valid_schema_dict: dict[str, Any],
+) -> None:
+    g = schema_visualization(valid_schema_dict)
+    assert isinstance(g, VisualizationGraph)
+    assert len(g.nodes) == 2
+    assert len(g.relationships) == 2
+
+
+def test_schema_visualization_schema_object(valid_schema_dict: dict[str, Any]) -> None:
+    schema = GraphSchema.model_validate(valid_schema_dict)
+    g = schema_visualization(schema)
+    assert isinstance(g, VisualizationGraph)
+    assert len(g.nodes) == 2
+    assert len(g.relationships) == 2