from kademlia.storage import ForgetfulStorage


class ForgetfulStorageTest:
    def test_storing(self):  # pylint: disable=no-self-use
        storage = ForgetfulStorage(10)
        storage['one'] = 'two'
        assert storage['one'] == 'two'

    def test_forgetting(self):  # pylint: disable=no-self-use
        storage = ForgetfulStorage(0)
        storage['one'] = 'two'
        assert storage.get('one') is None

    def test_iter(self):  # pylint: disable=no-self-use
        storage = ForgetfulStorage(10)
        storage['one'] = 'two'
        for key, value in storage:
            assert key == 'one'
            assert value == 'two'

    def test_iter_old(self):  # pylint: disable=no-self-use
        storage = ForgetfulStorage(10)
        storage['one'] = 'two'
        for key, value in storage.iter_older_than(0):
            assert key == 'one'
            assert value == 'two'