nucypher/tests/fixtures.py

113 lines
3.5 KiB
Python

import datetime
import os
import tempfile
import maya
import pytest
from constant_sorrow import constants
from sqlalchemy.engine import create_engine
from nkms.characters import Alice, Bob
from nkms.keystore import keystore
from nkms.keystore.db import Base
from nkms.crypto.signature import SignatureStamp
from nkms.data_sources import DataSource
from nkms.keystore import keystore
from nkms.keystore.db import Base
from nkms.keystore.keypairs import SigningKeypair
from nkms.network import blockchain_client
from tests.utilities import NUMBER_OF_URSULAS_IN_NETWORK, MockNetworkyStuff, make_ursulas, \
URSULA_PORT, EVENT_LOOP
@pytest.fixture(scope="module")
def idle_policy(alice, bob):
"""
Creates a Policy, in a manner typical of how Alice might do it, with a unique uri (soon to be "label" - see #183)
"""
alice.__resource_id += b"/unique-again" # A unique name each time, like a path.
n = NUMBER_OF_URSULAS_IN_NETWORK
policy = alice.create_policy(
bob,
alice.__resource_id,
m=3,
n=n,
)
return policy
@pytest.fixture(scope="module")
def enacted_policy(idle_policy, ursulas):
# Alice has a policy in mind and knows of enough qualifies Ursulas; she crafts an offer for them.
deposit = constants.NON_PAYMENT
contract_end_datetime = maya.now() + datetime.timedelta(days=5)
networky_stuff = MockNetworkyStuff(ursulas)
found_ursulas = idle_policy.find_ursulas(networky_stuff, deposit, expiration=contract_end_datetime)
idle_policy.match_kfrags_to_found_ursulas(found_ursulas)
idle_policy.enact(networky_stuff) # REST call happens here, as does population of TreasureMap.
return idle_policy
@pytest.fixture(scope="module")
def alice(ursulas):
ALICE = Alice(network_middleware=MockNetworkyStuff(ursulas))
ALICE.server.listen(8471)
ALICE.__resource_id = b"some_resource_id"
EVENT_LOOP.run_until_complete(ALICE.server.bootstrap([("127.0.0.1", u.dht_port) for u in ursulas]))
ALICE.network_bootstrap([("127.0.0.1", u.rest_port) for u in ursulas])
return ALICE
@pytest.fixture(scope="module")
def bob(ursulas):
BOB = Bob(network_middleware=MockNetworkyStuff(ursulas))
return BOB
@pytest.fixture(scope="module")
def ursulas():
URSULAS = make_ursulas(NUMBER_OF_URSULAS_IN_NETWORK, URSULA_PORT)
yield URSULAS
# Remove the DBs that have been sprayed hither and yon.
for _u in range(NUMBER_OF_URSULAS_IN_NETWORK):
port = URSULA_PORT + _u
os.remove("test-{}".format(port))
blockchain_client._ursulas_on_blockchain.clear()
@pytest.fixture(scope="module")
def treasure_map_is_set_on_dht(enacted_policy, ursulas):
networky_stuff = MockNetworkyStuff(ursulas)
enacted_policy.publish_treasure_map(networky_stuff, use_dht=True)
@pytest.fixture(scope="module")
def test_keystore():
engine = create_engine('sqlite:///:memory:')
Base.metadata.create_all(engine)
test_keystore = keystore.KeyStore(engine)
yield test_keystore
@pytest.fixture(scope="module")
def capsule_side_channel(enacted_policy):
signing_keypair = SigningKeypair()
data_source = DataSource(policy_pubkey_enc=enacted_policy.public_key,
signer=SignatureStamp(signing_keypair))
message_kit, _signature = data_source.encapsulate_single_message(b"Welcome to the flippering.")
return message_kit, data_source
@pytest.fixture(scope="function")
def tempfile_path():
"""
User is responsible for closing the file given at the path.
"""
_, path = tempfile.mkstemp()
yield path
os.remove(path)