test_delete_where_clause() — langchain Function Reference

Architecture documentation for the test_delete_where_clause() function in test_vectorstores.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ test_delete_where_clause() — langchain Function Reference

Dependency Diagram

graph TD
  1184399d_434a_f400_dbdb_83dbfcac3bca["test_delete_where_clause()"]
  289e5a4f_8e2e_ddb6_af2e_804f91dabdb8["test_vectorstores.py"]
  1184399d_434a_f400_dbdb_83dbfcac3bca -->|defined in| 289e5a4f_8e2e_ddb6_af2e_804f91dabdb8
  style 1184399d_434a_f400_dbdb_83dbfcac3bca fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/chroma/tests/integration_tests/test_vectorstores.py lines 813–830

def test_delete_where_clause(client: chromadb.ClientAPI) -> None:
    """Tests delete_where_clause method."""
    vectorstore = Chroma(
        client=client,
        collection_name="test_collection",
        embedding_function=FakeEmbeddings(),
    )
    vectorstore.add_documents(
        [
            Document(page_content="foo", metadata={"test": "bar"}),
            Document(page_content="bar", metadata={"test": "foo"}),
        ],
    )
    assert vectorstore._collection.count() == 2
    vectorstore.delete(where={"test": "bar"})
    assert vectorstore._collection.count() == 1
    # Clean up
    vectorstore.delete_collection()