nucypher/tests/network/test_node_storage.py

"""
This file is part of nucypher.

nucypher is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

nucypher is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
"""

from nucypher.utilities.sandbox.ursula import make_federated_ursulas


def test_one_node_stores_a_bunch_of_others(federated_ursulas, ursula_federated_test_config):
    the_chosen_seednode = list(federated_ursulas)[2]  # ...neo?
    seed_node = the_chosen_seednode.seed_node_metadata()

    newcomer = make_federated_ursulas(
        ursula_config=ursula_federated_test_config,
        quantity=1,
        know_each_other=False,
        save_metadata=True,
        seed_nodes=[seed_node]).pop()

    assert not newcomer.known_nodes

    newcomer.start_learning_loop(now=True)

    assert list(newcomer.known_nodes)
    assert len(list(newcomer.known_nodes)) == len(list(newcomer.node_storage.all(True)))
    assert set(list(newcomer.known_nodes)) == set(list(newcomer.node_storage.all(True)))