test_convert_chunk_with_empty_delta() — langchain Function Reference

Source Code

libs/partners/deepseek/tests/unit_tests/test_chat_models.py lines 216–229

    def test_convert_chunk_with_empty_delta(self) -> None:
        """Test that chunk with empty delta works correctly."""
        chat_model = ChatDeepSeek(model=MODEL_NAME, api_key=SecretStr("api_key"))
        chunk: dict[str, Any] = {"choices": [{"delta": {}}]}

        chunk_result = chat_model._convert_chunk_to_generation_chunk(
            chunk,
            AIMessageChunk,
            None,
        )
        if chunk_result is None:
            msg = "Expected chunk_result not to be None"
            raise AssertionError(msg)
        assert chunk_result.message.additional_kwargs.get("reasoning_content") is None