Python Environment.none示例

示例#1

def test_env_none_incorrect_default():
    env = Environment({})
    with raises(AssertionError):
        env.none("<key>", default="None")

示例#2

def test_env_none():
    env = Environment({"<key>": "None"})

    value = cast(FutureValue, env.none("<key>"))
    assert value.get() is None