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test_conversation_chain_errors_bad_variable() — langchain Function Reference

Architecture documentation for the test_conversation_chain_errors_bad_variable() function in test_conversation.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

Dependency Diagram

graph TD
  a0ba36c8_3102_3d99_ef24_4a6d66a7d0d0["test_conversation_chain_errors_bad_variable()"]
  bad7138b_753c_8c4e_915e_8bf58ada3cec["test_conversation.py"]
  a0ba36c8_3102_3d99_ef24_4a6d66a7d0d0 -->|defined in| bad7138b_753c_8c4e_915e_8bf58ada3cec
  style a0ba36c8_3102_3d99_ef24_4a6d66a7d0d0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/chains/test_conversation.py lines 88–99

def test_conversation_chain_errors_bad_variable() -> None:
    """Test that conversation chain raise error with bad variable."""
    llm = FakeLLM()
    prompt = PromptTemplate(input_variables=["foo"], template="{foo}")
    memory = ConversationBufferMemory(memory_key="foo")
    with pytest.raises(
        ValueError,
        match=re.escape(
            "Value error, The input key foo was also found in the memory keys (['foo'])"
        ),
    ):
        ConversationChain(llm=llm, prompt=prompt, memory=memory, input_key="foo")

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Frequently Asked Questions

What does test_conversation_chain_errors_bad_variable() do?
test_conversation_chain_errors_bad_variable() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/chains/test_conversation.py.
Where is test_conversation_chain_errors_bad_variable() defined?
test_conversation_chain_errors_bad_variable() is defined in libs/langchain/tests/unit_tests/chains/test_conversation.py at line 88.

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