test_from_env_with_default_value() — langchain Function Reference

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

Function python LangChainCore ApiManagement

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LangChainCore→ ApiManagement→ test_from_env_with_default_value() — langchain Function Reference

Dependency Diagram

graph TD
  fb9054c2_773d_d34e_80c1_927f0885d5fb["test_from_env_with_default_value()"]
  76328b48_c466_d255_3e8f_a315858c4c02["test_utils.py"]
  fb9054c2_773d_d34e_80c1_927f0885d5fb -->|defined in| 76328b48_c466_d255_3e8f_a315858c4c02
  style fb9054c2_773d_d34e_80c1_927f0885d5fb fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/core/tests/unit_tests/utils/test_utils.py lines 254–259

def test_from_env_with_default_value() -> None:
    key = "TEST_KEY"
    default_value = "default_value"
    with patch.dict(os.environ, {}, clear=True):
        get_value = from_env(key, default=default_value)
        assert get_value() == default_value