from typing import Generator

import pytest
from langchain_core.vectorstores import VectorStore
from langchain_tests.integration_tests.vectorstores import VectorStoreIntegrationTests

from langchain_chroma import Chroma


class TestChromaStandard(VectorStoreIntegrationTests):
    @pytest.fixture()
    def vectorstore(self) -> Generator[VectorStore, None, None]:  # type: ignore
        """Get an empty vectorstore for unit tests."""
        store = Chroma(embedding_function=self.get_embeddings())
        try:
            yield store
        finally:
            store.delete_collection()
            pass