test_secret_from_env_with_none_default() — langchain Function Reference

Architecture documentation for the test_secret_from_env_with_none_default() function in test_utils.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_secret_from_env_with_none_default() — langchain Function Reference

Dependency Diagram

graph TD
  9f7cbe4c_3c3c_aec8_f5b7_fdd7d4ed6d11["test_secret_from_env_with_none_default()"]
  76328b48_c466_d255_3e8f_a315858c4c02["test_utils.py"]
  9f7cbe4c_3c3c_aec8_f5b7_fdd7d4ed6d11 -->|defined in| 76328b48_c466_d255_3e8f_a315858c4c02
  style 9f7cbe4c_3c3c_aec8_f5b7_fdd7d4ed6d11 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_utils.py lines 303–313

def test_secret_from_env_with_none_default(monkeypatch: pytest.MonkeyPatch) -> None:
    # Unset the environment variable
    monkeypatch.delenv("TEST_KEY", raising=False)

    # Get the function with a default value of None
    get_secret: Callable[[], SecretStr | None] = secret_from_env(
        "TEST_KEY", default=None
    )

    # Assert that it returns None
    assert get_secret() is None