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test_command_graph_raises_not_implemented() — langchain Function Reference

Architecture documentation for the test_command_graph_raises_not_implemented() function in test_wrap_model_call_state_update.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  871e5126_c3e7_9421_9036_a6c954911ba8["test_command_graph_raises_not_implemented()"]
  4750c4b0_13f7_74c3_9560_c6bec7226ba5["TestCommandGraphDisallowed"]
  871e5126_c3e7_9421_9036_a6c954911ba8 -->|defined in| 4750c4b0_13f7_74c3_9560_c6bec7226ba5
  style 871e5126_c3e7_9421_9036_a6c954911ba8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py lines 877–896

    def test_command_graph_raises_not_implemented(self) -> None:
        """Command with graph in wrap_model_call raises NotImplementedError."""

        class GraphMiddleware(AgentMiddleware):
            def wrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], ModelResponse],
            ) -> ExtendedModelResponse:
                response = handler(request)
                return ExtendedModelResponse(
                    model_response=response,
                    command=Command(graph=Command.PARENT, update={"messages": []}),
                )

        model = GenericFakeChatModel(messages=iter([AIMessage(content="Hello!")]))
        agent = create_agent(model=model, middleware=[GraphMiddleware()])

        with pytest.raises(NotImplementedError, match="Command graph is not yet supported"):
            agent.invoke({"messages": [HumanMessage(content="Hi")]})

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_command_graph_raises_not_implemented() do?
test_command_graph_raises_not_implemented() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py.
Where is test_command_graph_raises_not_implemented() defined?
test_command_graph_raises_not_implemented() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py at line 877.

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