test_mask_ip() — langchain Function Reference

Architecture documentation for the test_mask_ip() function in test_pii.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ test_mask_ip() — langchain Function Reference

Dependency Diagram

graph TD
  c7c241e4_441b_6349_6ef5_b6afc8e88599["test_mask_ip()"]
  6da4bcad_d3fd_cbf4_a386_d46859fa4911["TestMaskStrategy"]
  c7c241e4_441b_6349_6ef5_b6afc8e88599 -->|defined in| 6da4bcad_d3fd_cbf4_a386_d46859fa4911
  style c7c241e4_441b_6349_6ef5_b6afc8e88599 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_pii.py lines 283–292

    def test_mask_ip(self) -> None:
        middleware = PIIMiddleware("ip", strategy="mask")
        state = AgentState[Any](messages=[HumanMessage("IP: 192.168.1.100")])

        result = middleware.before_model(state, Runtime())

        assert result is not None
        content = result["messages"][0].content
        assert "*.*.*.100" in content
        assert "192.168.1.100" not in content