107 lines
3.4 KiB
Python
107 lines
3.4 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 Callable
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from unittest.mock import MagicMock, patch
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import neo4j
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import pytest
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from neo4j_graphrag.embeddings.base import Embedder
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from neo4j_graphrag.experimental.pipeline import Component
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from neo4j_graphrag.llm import LLMInterface
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from neo4j_graphrag.retrievers import (
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HybridRetriever,
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Text2CypherRetriever,
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VectorCypherRetriever,
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VectorRetriever,
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)
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from neo4j_graphrag.types import RetrieverResultItem
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@pytest.fixture(scope="function")
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def driver() -> MagicMock:
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return MagicMock(spec=neo4j.Driver)
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@pytest.fixture(scope="function")
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def embedder() -> MagicMock:
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return MagicMock(spec=Embedder)
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@pytest.fixture(scope="function")
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def llm() -> MagicMock:
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mock = MagicMock(spec=LLMInterface)
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mock.supports_structured_output = False
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return mock
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@pytest.fixture(scope="function")
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def retriever_mock() -> MagicMock:
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return MagicMock(spec=VectorRetriever)
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@pytest.fixture(scope="function")
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@patch("neo4j_graphrag.retrievers.base.get_version")
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def vector_retriever(mock_get_version: MagicMock, driver: MagicMock) -> VectorRetriever:
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mock_get_version.return_value = ((5, 23, 0), False, False)
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return VectorRetriever(driver, "my-index")
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@pytest.fixture(scope="function")
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@patch("neo4j_graphrag.retrievers.base.get_version")
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def vector_cypher_retriever(
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mock_get_version: MagicMock, driver: MagicMock
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) -> VectorCypherRetriever:
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mock_get_version.return_value = ((5, 23, 0), False, False)
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retrieval_query = "RETURN node.id AS node_id, node.text AS text, score"
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return VectorCypherRetriever(driver, "my-index", retrieval_query)
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@pytest.fixture(scope="function")
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@patch("neo4j_graphrag.retrievers.base.get_version")
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def hybrid_retriever(mock_get_version: MagicMock, driver: MagicMock) -> HybridRetriever:
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mock_get_version.return_value = ((5, 23, 0), False, False)
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return HybridRetriever(driver, "my-index", "my-fulltext-index")
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@pytest.fixture(scope="function")
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@patch("neo4j_graphrag.retrievers.base.get_version")
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def t2c_retriever(
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mock_get_version: MagicMock, driver: MagicMock, llm: MagicMock
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) -> Text2CypherRetriever:
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mock_get_version.return_value = ((5, 23, 0), False, False)
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return Text2CypherRetriever(driver, llm)
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@pytest.fixture(scope="function")
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def neo4j_record() -> neo4j.Record:
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return neo4j.Record({"node": "dummy-node", "score": 1.0, "node_id": 123})
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@pytest.fixture(scope="function")
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def result_formatter() -> Callable[[neo4j.Record], RetrieverResultItem]:
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def format_function(record: neo4j.Record) -> RetrieverResultItem:
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return RetrieverResultItem(
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content=record.get("node"),
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metadata={"score": record.get("score"), "node_id": record.get("node_id")},
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)
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return format_function
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@pytest.fixture(scope="function")
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def component() -> MagicMock:
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return MagicMock(spec=Component)
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