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test_mask_email() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

Dependency Diagram

graph TD
  05d9f48d_c4ca_16de_28f2_1435499e31e8["test_mask_email()"]
  6da4bcad_d3fd_cbf4_a386_d46859fa4911["TestMaskStrategy"]
  05d9f48d_c4ca_16de_28f2_1435499e31e8 -->|defined in| 6da4bcad_d3fd_cbf4_a386_d46859fa4911
  style 05d9f48d_c4ca_16de_28f2_1435499e31e8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_pii.py lines 260–269

    def test_mask_email(self) -> None:
        middleware = PIIMiddleware("email", strategy="mask")
        state = AgentState[Any](messages=[HumanMessage("Email: user@example.com")])

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

        assert result is not None
        content = result["messages"][0].content
        assert "user@****.com" in content
        assert "user@example.com" not in content

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_mask_email() do?
test_mask_email() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_pii.py.
Where is test_mask_email() defined?
test_mask_email() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_pii.py at line 260.

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