test_config_from_envvar() — flask Function Reference

Architecture documentation for the test_config_from_envvar() function in test_config.py from the flask codebase.

Function python ApplicationCore ExtensionRegistry calls 1

Entity Profile

ApplicationCore→ ExtensionRegistry→ test_config_from_envvar() — flask Function Reference

Dependency Diagram

graph TD
  4801a421_dcd3_87c1_8ff5_b6b4d9f571f5["test_config_from_envvar()"]
  af09ffc0_0dff_d9d9_7274_4611c3d0d0e6["test_config.py"]
  4801a421_dcd3_87c1_8ff5_b6b4d9f571f5 -->|defined in| af09ffc0_0dff_d9d9_7274_4611c3d0d0e6
  962769bb_e427_394b_6793_a30861454cc0["common_object_test()"]
  4801a421_dcd3_87c1_8ff5_b6b4d9f571f5 -->|calls| 962769bb_e427_394b_6793_a30861454cc0
  style 4801a421_dcd3_87c1_8ff5_b6b4d9f571f5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_config.py lines 144–158

def test_config_from_envvar(monkeypatch):
    monkeypatch.setattr("os.environ", {})
    app = flask.Flask(__name__)

    with pytest.raises(RuntimeError) as e:
        app.config.from_envvar("FOO_SETTINGS")

    assert "'FOO_SETTINGS' is not set" in str(e.value)
    assert not app.config.from_envvar("FOO_SETTINGS", silent=True)

    monkeypatch.setattr(
        "os.environ", {"FOO_SETTINGS": f"{__file__.rsplit('.', 1)[0]}.py"}
    )
    assert app.config.from_envvar("FOO_SETTINGS")
    common_object_test(app)