test_missing_action() — langchain Function Reference

Architecture documentation for the test_missing_action() function in test_mrkl_output_parser.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

LangChainCore→ ApiManagement→ test_missing_action() — langchain Function Reference

Dependency Diagram

graph TD
  3bee94d6_527f_37f1_456a_f87fdf37d07e["test_missing_action()"]
  0be9c738_c626_f1e6_d88c_a34315fe9090["test_mrkl_output_parser.py"]
  3bee94d6_527f_37f1_456a_f87fdf37d07e -->|defined in| 0be9c738_c626_f1e6_d88c_a34315fe9090
  style 3bee94d6_527f_37f1_456a_f87fdf37d07e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/agents/test_mrkl_output_parser.py lines 34–41

def test_missing_action() -> None:
    llm_output = """I can use the `foo` tool to achieve the goal."""

    with pytest.raises(OutputParserException) as exception_info:
        mrkl_output_parser.parse(llm_output)
    assert (
        exception_info.value.observation == MISSING_ACTION_AFTER_THOUGHT_ERROR_MESSAGE
    )