test_raise_error_for_bad_decorator() — langchain Function Reference

Architecture documentation for the test_raise_error_for_bad_decorator() function in test_deprecation.py from the langchain codebase.

Function python CoreAbstractions RunnableInterface calls 1

Entity Profile

CoreAbstractions→ RunnableInterface→ test_raise_error_for_bad_decorator() — langchain Function Reference

Dependency Diagram

graph TD
  6c2da06f_3f15_6403_d56c_a8bc1ceec08d["test_raise_error_for_bad_decorator()"]
  07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1["test_deprecation.py"]
  6c2da06f_3f15_6403_d56c_a8bc1ceec08d -->|defined in| 07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1
  5cb3e9f7_fe1f_68d0_bc1a_910aabafbcc8["deprecated_function()"]
  6c2da06f_3f15_6403_d56c_a8bc1ceec08d -->|calls| 5cb3e9f7_fe1f_68d0_bc1a_910aabafbcc8
  style 6c2da06f_3f15_6403_d56c_a8bc1ceec08d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/_api/test_deprecation.py lines 404–414

def test_raise_error_for_bad_decorator() -> None:
    """Verify that errors raised on init rather than on use."""
    # Should not specify both `alternative` and `alternative_import`
    with pytest.raises(
        ValueError, match="Cannot specify both alternative and alternative_import"
    ):

        @deprecated(since="2.0.0", alternative="NewClass", alternative_import="hello")
        def deprecated_function() -> str:
            """Original doc."""
            return "This is a deprecated function."