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test_stream_response_to_generation_chunk() — langchain Function Reference

Architecture documentation for the test_stream_response_to_generation_chunk() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  bc46221c_8313_359a_c579_b290bf8570dc["test_stream_response_to_generation_chunk()"]
  6395ab08_3ae5_72d1_1c6a_5b74f14238f7["test_base.py"]
  bc46221c_8313_359a_c579_b290bf8570dc -->|defined in| 6395ab08_3ae5_72d1_1c6a_5b74f14238f7
  style bc46221c_8313_359a_c579_b290bf8570dc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/openai/tests/unit_tests/llms/test_base.py lines 78–110

def test_stream_response_to_generation_chunk() -> None:
    completion = {
        "id": "cmpl-abc123",
        "choices": [
            {"finish_reason": None, "index": 0, "logprobs": None, "text": "foo"}
        ],
        "created": 1749214401,
        "model": "my-model",
        "object": "text_completion",
        "system_fingerprint": None,
        "usage": None,
    }
    chunk = _stream_response_to_generation_chunk(completion)
    assert chunk == GenerationChunk(
        text="foo", generation_info={"finish_reason": None, "logprobs": None}
    )

    # Pathological completion with None text (e.g., from other providers)
    completion = {
        "id": "cmpl-abc123",
        "choices": [
            {"finish_reason": None, "index": 0, "logprobs": None, "text": None}
        ],
        "created": 1749214401,
        "model": "my-model",
        "object": "text_completion",
        "system_fingerprint": None,
        "usage": None,
    }
    chunk = _stream_response_to_generation_chunk(completion)
    assert chunk == GenerationChunk(
        text="", generation_info={"finish_reason": None, "logprobs": None}
    )

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_stream_response_to_generation_chunk() do?
test_stream_response_to_generation_chunk() is a function in the langchain codebase, defined in libs/partners/openai/tests/unit_tests/llms/test_base.py.
Where is test_stream_response_to_generation_chunk() defined?
test_stream_response_to_generation_chunk() is defined in libs/partners/openai/tests/unit_tests/llms/test_base.py at line 78.

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