You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
langchain/tests/integration_tests/vectorstores/test_pinecone.py

98 lines
3.2 KiB
Python

"""Test Pinecone functionality."""
import pinecone
from langchain.docstore.document import Document
from langchain.vectorstores.pinecone import Pinecone
from tests.integration_tests.vectorstores.fake_embeddings import FakeEmbeddings
pinecone.init(api_key="YOUR_API_KEY", environment="YOUR_ENV")
# if the index already exists, delete it
try:
pinecone.delete_index("langchain-demo")
except Exception:
pass
index = pinecone.Index("langchain-demo")
def test_pinecone() -> None:
"""Test end to end construction and search."""
texts = ["foo", "bar", "baz"]
docsearch = Pinecone.from_texts(
texts, FakeEmbeddings(), index_name="langchain-demo", namespace="test"
)
output = docsearch.similarity_search("foo", k=1, namespace="test")
assert output == [Document(page_content="foo")]
def test_pinecone_with_metadatas() -> None:
"""Test end to end construction and search."""
texts = ["foo", "bar", "baz"]
metadatas = [{"page": i} for i in range(len(texts))]
docsearch = Pinecone.from_texts(
texts,
FakeEmbeddings(),
index_name="langchain-demo",
metadatas=metadatas,
namespace="test-metadata",
)
output = docsearch.similarity_search("foo", k=1, namespace="test-metadata")
assert output == [Document(page_content="foo", metadata={"page": 0})]
def test_pinecone_with_scores() -> None:
"""Test end to end construction and search with scores and IDs."""
texts = ["foo", "bar", "baz"]
metadatas = [{"page": i} for i in range(len(texts))]
docsearch = Pinecone.from_texts(
texts,
FakeEmbeddings(),
index_name="langchain-demo",
metadatas=metadatas,
namespace="test-metadata-score",
)
output = docsearch.similarity_search_with_score(
"foo", k=3, namespace="test-metadata-score"
)
docs = [o[0] for o in output]
scores = [o[1] for o in output]
assert docs == [
Document(page_content="foo", metadata={"page": 0}),
Document(page_content="bar", metadata={"page": 1}),
Document(page_content="baz", metadata={"page": 2}),
]
assert scores[0] > scores[1] > scores[2]
def test_pinecone_with_namespaces() -> None:
"Test that namespaces are properly handled." ""
# Create two indexes with the same name but different namespaces
texts = ["foo", "bar", "baz"]
metadatas = [{"page": i} for i in range(len(texts))]
Pinecone.from_texts(
texts,
FakeEmbeddings(),
index_name="langchain-demo",
metadatas=metadatas,
namespace="test-namespace",
)
texts = ["foo2", "bar2", "baz2"]
metadatas = [{"page": i} for i in range(len(texts))]
Pinecone.from_texts(
texts,
FakeEmbeddings(),
index_name="langchain-demo",
metadatas=metadatas,
namespace="test-namespace2",
)
# Search with namespace
docsearch = Pinecone.from_existing_index(
"langchain-demo", embedding=FakeEmbeddings(), namespace="test-namespace"
)
output = docsearch.similarity_search("foo", k=6)
# check that we don't get results from the other namespace
page_contents = [o.page_content for o in output]
assert set(page_contents) == set(["foo", "bar", "baz"])