Function test_setenv

testing/test_monkeypatch.py:199–207

()

def test_setenv() -> None:
    monkeypatch = MonkeyPatch()
    with pytest.warns(pytest.PytestWarning):
        monkeypatch.setenv("XYZ123", 2)  # type: ignore[arg-type]
    import os

    assert os.environ["XYZ123"] == "2"
    monkeypatch.undo()
    assert "XYZ123" not in os.environ


def test_delenv() -> None: