Function test_setenv_deleted_meanwhile

testing/test_monkeypatch.py:166–178

(before: bool)

@pytest.mark.parametrize("before", [True, False])
def test_setenv_deleted_meanwhile(before: bool) -> None:
    key = "qwpeoip123"
    if before:
        os.environ[key] = "world"
    monkeypatch = MonkeyPatch()
    monkeypatch.setenv(key, "hello")
    del os.environ[key]
    monkeypatch.undo()
    if before:
        assert os.environ[key] == "world"
        del os.environ[key]
    else:
        assert key not in os.environ


def test_delitem() -> None: