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2026-05-12 19:40:31 +09:00
# 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.
import re
from typing import Any, Generator
from unittest import mock
from unittest.mock import MagicMock
import pytest
from neo4j_graphrag.embeddings.base import Embedder
from neo4j_graphrag.embeddings.sentence_transformers import (
SentenceTransformerEmbeddings,
)
from neo4j_graphrag.retrievers import PineconeNeo4jRetriever
from neo4j_graphrag.types import RetrieverResult, RetrieverResultItem
from pinecone import Pinecone
from ..utils import EMBEDDING_BIOLOGY, build_data_objects, populate_neo4j
@pytest.fixture(scope="module")
def sentence_transformer_embedder() -> (
Generator[SentenceTransformerEmbeddings, Any, Any]
):
embedder = SentenceTransformerEmbeddings(model="all-MiniLM-L6-v2")
yield embedder
@pytest.fixture(scope="module")
def client() -> MagicMock:
return MagicMock(spec=Pinecone)
@pytest.fixture(scope="module")
def populate_neo4j_db(driver: MagicMock) -> None:
driver.execute_query("MATCH (n) DETACH DELETE n")
neo4j_objects, _ = build_data_objects("pinecone")
populate_neo4j(driver, neo4j_objects)
@pytest.mark.usefixtures("populate_neo4j_db")
def test_pinecone_neo4j_vector_input(driver: MagicMock, client: MagicMock) -> None:
retriever = PineconeNeo4jRetriever(
driver=driver,
client=client,
index_name="jeopardy",
id_property_neo4j="id",
node_label_neo4j="`Question`",
)
with mock.patch.object(retriever, "index") as mock_index:
top_k = 2
mock_index.query.return_value = {
"matches": [
{
"id": "question_c458c6f64d8d47429636bc5a94c97f51",
"score": 0.232427984,
"values": [],
},
{
"id": "question_3d53154d16068c1e86e024923bc220d8",
"score": 0.184265107,
"values": [],
},
],
"namespace": "",
"usage": {"read_units": 5},
}
results = retriever.search(query_vector=EMBEDDING_BIOLOGY, top_k=top_k)
assert isinstance(results, RetrieverResult)
assert len(results.items) == top_k
for result in results.items:
assert isinstance(result, RetrieverResultItem)
pattern = (
r"<Record node=<Node element_id='.+' "
r"labels=frozenset\({'Question'}\) properties={'question': 'In 1953 Watson \& "
"Crick built a model of the molecular structure of this, the gene-carrying "
"substance', 'id': 'question_c458c6f64d8d47429636bc5a94c97f51'}> "
r"score=0.232427984>"
)
assert re.match(pattern, results.items[0].content)
@pytest.mark.usefixtures("populate_neo4j_db")
def test_pinecone_neo4j_text_input(
driver: MagicMock, client: MagicMock, sentence_transformer_embedder: Embedder
) -> None:
retriever = PineconeNeo4jRetriever(
driver=driver,
client=client,
index_name="jeopardy",
id_property_neo4j="id",
embedder=sentence_transformer_embedder,
)
with mock.patch.object(retriever, "index") as mock_index:
top_k = 2
mock_index.query.return_value = {
"matches": [
{
"id": "question_c458c6f64d8d47429636bc5a94c97f51",
"score": 0.232427984,
"values": [],
},
{
"id": "question_3d53154d16068c1e86e024923bc220d8",
"score": 0.184265107,
"values": [],
},
],
"namespace": "",
"usage": {"read_units": 5},
}
results = retriever.search(query_text="biology", top_k=top_k)
assert isinstance(results, RetrieverResult)
assert len(results.items) == top_k
for result in results.items:
assert isinstance(result, RetrieverResultItem)
pattern = (
r"<Record node=<Node element_id='.+' "
r"labels=frozenset\({'Question'}\) properties={'question': 'In 1953 Watson \& "
"Crick built a model of the molecular structure of this, the gene-carrying "
"substance', 'id': 'question_c458c6f64d8d47429636bc5a94c97f51'}> "
r"score=0.232427984>"
)
assert re.match(pattern, results.items[0].content)