108 lines
3.2 KiB
Python
108 lines
3.2 KiB
Python
# Copyright (c) "Neo4j"
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# Neo4j Sweden AB [https://neo4j.com]
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# #
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# #
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# https://www.apache.org/licenses/LICENSE-2.0
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# #
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Any
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from unittest.mock import patch
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import pytest
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from pydantic import ValidationError
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from neo4j_viz import VisualizationGraph
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from neo4j_graphrag.experimental.components.schema import GraphSchema
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from neo4j_graphrag.experimental.utils.schema import schema_visualization
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@pytest.fixture(scope="module")
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def valid_schema_dict() -> dict[str, Any]:
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return {
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"node_types": [
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"Location",
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{
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"label": "Person",
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"properties": [
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{"name": "name", "type": "STRING", "required": True},
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{"name": "birthYear", "type": "INTEGER"},
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],
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},
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],
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"relationship_types": [
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"BORN_IN",
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{
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"label": "KNOWS",
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"properties": [
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{"name": "since", "type": "LOCAL_DATETIME"},
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],
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},
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],
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"patterns": [
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("Person", "BORN_IN", "Location"),
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("Person", "KNOWS", "Person"),
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],
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}
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@pytest.fixture(scope="module")
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def invalid_schema_dict() -> dict[str, Any]:
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return {
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"node_types": [
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{
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"label": "Person",
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"properties": [
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{"name": "name", "type": "STRING", "required": True},
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{"name": "birthYear", "type": "INTEGER"},
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],
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},
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],
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"relationship_types": [
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"BORN_IN",
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],
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"patterns": [
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(
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"Person",
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"BORN_IN",
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"Location",
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), # invalid pattern, "Location" node type not defined
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],
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}
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@patch("neo4j_graphrag.experimental.utils.schema.VisualizationGraph", None)
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def test_schema_visualization_import_error() -> None:
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with pytest.raises(ImportError):
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schema_visualization({})
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def test_schema_visualization_invalid_schema_dict(
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invalid_schema_dict: dict[str, Any],
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) -> None:
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with pytest.raises(ValidationError):
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schema_visualization(invalid_schema_dict)
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def test_schema_visualization_valid_schema_dict(
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valid_schema_dict: dict[str, Any],
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) -> None:
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g = schema_visualization(valid_schema_dict)
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assert isinstance(g, VisualizationGraph)
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assert len(g.nodes) == 2
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assert len(g.relationships) == 2
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def test_schema_visualization_schema_object(valid_schema_dict: dict[str, Any]) -> None:
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schema = GraphSchema.model_validate(valid_schema_dict)
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g = schema_visualization(schema)
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assert isinstance(g, VisualizationGraph)
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assert len(g.nodes) == 2
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assert len(g.relationships) == 2
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