nucypher/tests/config/test_storages.py

121 lines
4.8 KiB
Python

"""
This file is part of nucypher.
nucypher is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with nucypher. If not, see <https://www.gnu.org/licenses/>.
"""
import pytest
from nucypher.characters.lawful import Ursula
from nucypher.config.storages import (
ForgetfulNodeStorage,
SQLiteForgetfulNodeStorage,
TemporaryFileBasedNodeStorage,
NodeStorage)
from nucypher.utilities.sandbox.constants import (
MOCK_URSULA_DB_FILEPATH,
MOCK_URSULA_STARTING_PORT)
class BaseTestNodeStorageBackends:
@pytest.fixture(scope='class')
def light_ursula(temp_dir_path):
node = Ursula(rest_host='127.0.0.1',
rest_port=MOCK_URSULA_STARTING_PORT,
db_filepath=MOCK_URSULA_DB_FILEPATH,
federated_only=True)
yield node
character_class = Ursula
federated_only = True
storage_backend = NotImplemented
def _read_and_write_metadata(self, ursula, node_storage):
# Write Node
node_storage.store_node_metadata(node=ursula)
# Read Node
node_from_storage = node_storage.get(checksum_address=ursula.checksum_address,
federated_only=True)
assert ursula == node_from_storage, "Node storage {} failed".format(node_storage)
# Save more nodes
all_known_nodes = set()
for port in range(MOCK_URSULA_STARTING_PORT, MOCK_URSULA_STARTING_PORT+100):
node = Ursula(rest_host='127.0.0.1', db_filepath=MOCK_URSULA_DB_FILEPATH, rest_port=port,
federated_only=True)
node_storage.store_node_metadata(node=node)
all_known_nodes.add(node)
# Read all nodes from storage
all_stored_nodes = node_storage.all(federated_only=True)
all_known_nodes.add(ursula)
assert len(all_known_nodes) == len(all_stored_nodes)
assert all_stored_nodes == all_known_nodes
# Read random nodes
for i in range(3):
random_node = all_known_nodes.pop()
random_node_from_storage = node_storage.get(checksum_address=random_node.checksum_address,
federated_only=True)
assert random_node.checksum_address == random_node_from_storage.checksum_address
return True
def _write_and_delete_metadata(self, ursula, node_storage):
# Write Node
node_storage.store_node_metadata(node=ursula)
# Delete Node
node_storage.remove(checksum_address=ursula.checksum_address, certificate=False)
# Read Node
with pytest.raises(NodeStorage.UnknownNode):
_node_from_storage = node_storage.get(checksum_address=ursula.checksum_address,
federated_only=True)
# Read all nodes from storage
all_stored_nodes = node_storage.all(federated_only=True)
assert all_stored_nodes == set()
return True
#
# Storage Backend Tests
#
def test_delete_node_in_storage(self, light_ursula):
assert self._write_and_delete_metadata(ursula=light_ursula, node_storage=self.storage_backend)
def test_read_and_write_to_storage(self, light_ursula):
assert self._read_and_write_metadata(ursula=light_ursula, node_storage=self.storage_backend)
class TestInMemoryNodeStorage(BaseTestNodeStorageBackends):
storage_backend = ForgetfulNodeStorage(character_class=BaseTestNodeStorageBackends.character_class,
federated_only=BaseTestNodeStorageBackends.federated_only)
storage_backend.initialize()
class TestInMemorySQLiteNodeStorage(BaseTestNodeStorageBackends):
storage_backend = SQLiteForgetfulNodeStorage(db_filepath=':memory:',
character_class=BaseTestNodeStorageBackends.character_class,
federated_only=BaseTestNodeStorageBackends.federated_only)
storage_backend.initialize()
class TestTemporaryFileBasedNodeStorage(BaseTestNodeStorageBackends):
storage_backend = TemporaryFileBasedNodeStorage(character_class=BaseTestNodeStorageBackends.character_class,
federated_only=BaseTestNodeStorageBackends.federated_only)
storage_backend.initialize()