test_agent_lookup_tool() — langchain Function Reference

Architecture documentation for the test_agent_lookup_tool() function in test_agent.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ test_agent_lookup_tool() — langchain Function Reference

Dependency Diagram

graph TD
  fbdfb834_051d_ad0b_c089_af65bf95e2f2["test_agent_lookup_tool()"]
  47a7b285_8e60_f78f_282d_429958c446fa["test_agent.py"]
  fbdfb834_051d_ad0b_c089_af65bf95e2f2 -->|defined in| 47a7b285_8e60_f78f_282d_429958c446fa
  style fbdfb834_051d_ad0b_c089_af65bf95e2f2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/agents/test_agent.py lines 404–423

def test_agent_lookup_tool() -> None:
    """Test agent lookup tool."""
    fake_llm = FakeListLLM(
        responses=["FooBarBaz\nAction: Search\nAction Input: misalignment"],
    )
    tools = [
        Tool(
            name="Search",
            func=lambda x: x,
            description="Useful for searching",
            return_direct=True,
        ),
    ]
    agent = initialize_agent(
        tools=tools,
        llm=fake_llm,
        agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
    )

    assert agent.lookup_tool("Search") == tools[0]