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test_prompt_cache_key_usage_methods_integration() — langchain Function Reference

Architecture documentation for the test_prompt_cache_key_usage_methods_integration() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  fe54f13b_7861_8b43_39dd_c500bee6f557["test_prompt_cache_key_usage_methods_integration()"]
  bd382a4e_442c_13ae_530c_6e34bc43623d["test_base.py"]
  fe54f13b_7861_8b43_39dd_c500bee6f557 -->|defined in| bd382a4e_442c_13ae_530c_6e34bc43623d
  style fe54f13b_7861_8b43_39dd_c500bee6f557 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/partners/openai/tests/integration_tests/chat_models/test_base.py lines 1197–1215

def test_prompt_cache_key_usage_methods_integration() -> None:
    """Integration test for `prompt_cache_key` usage methods."""
    messages = [HumanMessage("Say hi")]

    # Test keyword argument method
    chat = ChatOpenAI(model="gpt-5-nano", max_completion_tokens=10)
    response = chat.invoke(messages, prompt_cache_key="integration-test-v1")
    assert isinstance(response, AIMessage)
    assert isinstance(response.content, str)

    # Test model-level via model_kwargs
    chat_model_level = ChatOpenAI(
        model="gpt-5-nano",
        max_completion_tokens=10,
        model_kwargs={"prompt_cache_key": "integration-model-level-v1"},
    )
    response_model_level = chat_model_level.invoke(messages)
    assert isinstance(response_model_level, AIMessage)
    assert isinstance(response_model_level.content, str)

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Frequently Asked Questions

What does test_prompt_cache_key_usage_methods_integration() do?
test_prompt_cache_key_usage_methods_integration() is a function in the langchain codebase, defined in libs/partners/openai/tests/integration_tests/chat_models/test_base.py.
Where is test_prompt_cache_key_usage_methods_integration() defined?
test_prompt_cache_key_usage_methods_integration() is defined in libs/partners/openai/tests/integration_tests/chat_models/test_base.py at line 1197.

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