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test_input_messages_output_message() — langchain Function Reference

Architecture documentation for the test_input_messages_output_message() function in test_history.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

Dependency Diagram

graph TD
  fb914e55_cda1_4c5a_942d_fe65622ae787["test_input_messages_output_message()"]
  0af0dfde_fe33_f3e5_b5e6_a3d18260dc67["test_history.py"]
  fb914e55_cda1_4c5a_942d_fe65622ae787 -->|defined in| 0af0dfde_fe33_f3e5_b5e6_a3d18260dc67
  e035a3b1_d1a1_c458_c801_af1fc0272f8b["_get_get_session_history()"]
  fb914e55_cda1_4c5a_942d_fe65622ae787 -->|calls| e035a3b1_d1a1_c458_c801_af1fc0272f8b
  style fb914e55_cda1_4c5a_942d_fe65622ae787 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/runnables/test_history.py lines 302–313

def test_input_messages_output_message() -> None:
    runnable = LengthChatModel()
    get_session_history = _get_get_session_history()
    with_history = RunnableWithMessageHistory(
        runnable,
        get_session_history,
    )
    config: RunnableConfig = {"configurable": {"session_id": "5"}}
    output = with_history.invoke([HumanMessage(content="hi")], config)
    assert output.content == "1"
    output = with_history.invoke([HumanMessage(content="hi")], config)
    assert output.content == "3"

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Defined In

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Source

Frequently Asked Questions

What does test_input_messages_output_message() do?
test_input_messages_output_message() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/runnables/test_history.py.
Where is test_input_messages_output_message() defined?
test_input_messages_output_message() is defined in libs/core/tests/unit_tests/runnables/test_history.py at line 302.
What does test_input_messages_output_message() call?
test_input_messages_output_message() calls 1 function(s): _get_get_session_history.

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