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MockModel Class — langchain Architecture

Architecture documentation for the MockModel class in test_summarization.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1["MockModel"]
  48aa29b8_65e7_522f_a445_a441eeb6baff["BaseChatModel"]
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1 -->|extends| 48aa29b8_65e7_522f_a445_a441eeb6baff
  1911a463_b67d_0301_5ef1_5c535dafc14a["test_summarization.py"]
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1 -->|defined in| 1911a463_b67d_0301_5ef1_5c535dafc14a
  99a60ddf_8261_cef9_f6f0_b3bf3ea93af8["_generate()"]
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1 -->|method| 99a60ddf_8261_cef9_f6f0_b3bf3ea93af8
  c1b92040_ddc8_a816_8b38_cb1c2aa76183["_agenerate()"]
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1 -->|method| c1b92040_ddc8_a816_8b38_cb1c2aa76183
  55a43f51_867e_4a5f_6eee_a017c413d1d3["_llm_type()"]
  d8b1892c_2c0d_d0c9_8c22_abc0a6e5c0a1 -->|method| 55a43f51_867e_4a5f_6eee_a017c413d1d3

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py lines 471–494

    class MockModel(BaseChatModel):
        @override
        def _generate(
            self,
            messages: list[BaseMessage],
            stop: list[str] | None = None,
            run_manager: CallbackManagerForLLMRun | None = None,
            **kwargs: Any,
        ) -> ChatResult:
            return ChatResult(generations=[ChatGeneration(message=AIMessage(content="Blep"))])

        @override
        async def _agenerate(
            self,
            messages: list[BaseMessage],
            stop: list[str] | None = None,
            run_manager: AsyncCallbackManagerForLLMRun | None = None,
            **kwargs: Any,
        ) -> ChatResult:
            return ChatResult(generations=[ChatGeneration(message=AIMessage(content="Blip"))])

        @property
        def _llm_type(self) -> str:
            return "mock"

Defined In

Extends

Source

Frequently Asked Questions

What is the MockModel class?
MockModel is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py.
Where is MockModel defined?
MockModel is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py at line 471.
What does MockModel extend?
MockModel extends BaseChatModel.

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