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test_lc_agent_name_in_astream_metadata() — langchain Function Reference

Architecture documentation for the test_lc_agent_name_in_astream_metadata() function in test_agent_name.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  0f377b6a_3bbd_d531_3963_cf165555af8b["test_lc_agent_name_in_astream_metadata()"]
  855858ac_82a7_eb82_4d23_1dd8507dbcbb["test_agent_name.py"]
  0f377b6a_3bbd_d531_3963_cf165555af8b -->|defined in| 855858ac_82a7_eb82_4d23_1dd8507dbcbb
  style 0f377b6a_3bbd_d531_3963_cf165555af8b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/test_agent_name.py lines 165–182

async def test_lc_agent_name_in_astream_metadata() -> None:
    """Test that lc_agent_name is included in metadata when async streaming with name."""
    tool_calls: list[list[ToolCall]] = [[]]
    agent = create_agent(
        model=FakeToolCallingModel(tool_calls=tool_calls),
        name="async_streaming_agent",
    )

    metadata_with_agent_name = []
    async for _chunk, metadata in agent.astream(
        {"messages": [HumanMessage("Hello async")]},
        stream_mode="messages",
    ):
        if "lc_agent_name" in metadata:
            metadata_with_agent_name.append(metadata["lc_agent_name"])

    assert len(metadata_with_agent_name) > 0
    assert all(name == "async_streaming_agent" for name in metadata_with_agent_name)

Domain

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Defined In

Source

Frequently Asked Questions

What does test_lc_agent_name_in_astream_metadata() do?
test_lc_agent_name_in_astream_metadata() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/test_agent_name.py.
Where is test_lc_agent_name_in_astream_metadata() defined?
test_lc_agent_name_in_astream_metadata() is defined in libs/langchain_v1/tests/unit_tests/agents/test_agent_name.py at line 165.

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