test_configurable_alts_factory() — langchain Function Reference

Architecture documentation for the test_configurable_alts_factory() function in test_runnable.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

LangChainCore→ Runnables→ test_configurable_alts_factory() — langchain Function Reference

Dependency Diagram

graph TD
  5af08be9_42b6_be5e_f597_d71ee5fed1c1["test_configurable_alts_factory()"]
  26df6ad8_0189_51d0_c3c1_6c3248893ff5["test_runnable.py"]
  5af08be9_42b6_be5e_f597_d71ee5fed1c1 -->|defined in| 26df6ad8_0189_51d0_c3c1_6c3248893ff5
  fb618d44_c03b_ea8b_385b_2278dfb173d4["invoke()"]
  5af08be9_42b6_be5e_f597_d71ee5fed1c1 -->|calls| fb618d44_c03b_ea8b_385b_2278dfb173d4
  style 5af08be9_42b6_be5e_f597_d71ee5fed1c1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/runnables/test_runnable.py lines 872–880

def test_configurable_alts_factory() -> None:
    fake_llm = FakeListLLM(responses=["a"]).configurable_alternatives(
        ConfigurableField(id="llm", name="LLM"),
        chat=partial(FakeListLLM, responses=["b"]),
    )

    assert fake_llm.invoke("...") == "a"

    assert fake_llm.with_config(configurable={"llm": "chat"}).invoke("...") == "b"