test_deprecated_function() — langchain Function Reference

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

Function python CoreAbstractions RunnableInterface calls 1

Entity Profile

CoreAbstractions→ RunnableInterface→ test_deprecated_function() — langchain Function Reference

Dependency Diagram

graph TD
  cbd460bf_d299_651b_69ac_0f9d96c853dc["test_deprecated_function()"]
  07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1["test_deprecation.py"]
  cbd460bf_d299_651b_69ac_0f9d96c853dc -->|defined in| 07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1
  5cb3e9f7_fe1f_68d0_bc1a_910aabafbcc8["deprecated_function()"]
  cbd460bf_d299_651b_69ac_0f9d96c853dc -->|calls| 5cb3e9f7_fe1f_68d0_bc1a_910aabafbcc8
  style cbd460bf_d299_651b_69ac_0f9d96c853dc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/_api/test_deprecation.py lines 121–137

def test_deprecated_function() -> None:
    """Test deprecated function."""
    with warnings.catch_warnings(record=True) as warning_list:
        warnings.simplefilter("always")
        assert deprecated_function() == "This is a deprecated function."
        assert len(warning_list) == 1
        warning = warning_list[0].message
        assert str(warning) == (
            "The function `deprecated_function` was deprecated in LangChain 2.0.0 "
            "and will be removed in 3.0.0"
        )

        doc = deprecated_function.__doc__
        assert isinstance(doc, str)
        assert doc.startswith("!!! deprecated")

    assert not inspect.iscoroutinefunction(deprecated_function)