mirror of https://github.com/nucypher/nucypher.git
96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
"""
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This file is part of nucypher.
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nucypher is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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nucypher is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with nucypher. If not, see <https://www.gnu.org/licenses/>.
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"""
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import random
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from collections import OrderedDict
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import maya
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import os
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from typing import Set
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from nucypher.characters.lawful import Ursula
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from nucypher.network.middleware import RestMiddleware
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from nucypher.policy.policies import Arrangement, Policy
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class MockArrangement(Arrangement):
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_arrangements = OrderedDict()
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def publish_treasure_map(self) -> None:
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self._arrangements[self.id()] = self
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def revoke(self):
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del self._arrangements[self.id()]
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class MockPolicy(Policy):
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def make_arrangements(self,
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network_middleware: RestMiddleware,
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deposit: int,
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expiration: maya.MayaDT,
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ursulas: Set[Ursula] = None
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) -> None:
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"""
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Create and consider n Arangement objects from all known nodes.
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"""
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for ursula in self.alice.known_nodes:
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arrangement = MockArrangement(alice=self.alice, ursula=ursula,
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hrac=self.hrac(),
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expiration=expiration)
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self.propose_arrangement(network_middleware=network_middleware,
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ursula=ursula,
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arrangement=arrangement)
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# TODO: Remove. Seems unused
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class MockPolicyCreation:
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"""
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Simple mock logic to avoid repeated hammering of blockchain policies.
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"""
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waited_for_receipt = False
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_ether_address = None
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tx_hash = "THIS HAS BEEN A TRANSACTION!"
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def __init__(self, *args, **kwargs):
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# TODO: Test that proper arguments are passed here once 316 is closed.
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pass
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def transact(self, payload):
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# TODO: Make a meaningful assertion regarding the value.
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assert payload['from'] == self._ether_address
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return self.tx_hash
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@classmethod
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def wait_for_receipt(cls, tx_hash):
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assert tx_hash == cls.tx_hash
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cls.waited_for_receipt = True
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def generate_random_label() -> bytes:
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"""
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Generates a random bytestring for use as a test label.
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:return: bytes
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"""
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adjs = ('my', 'sesame-street', 'black', 'cute')
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nouns = ('lizard', 'super-secret', 'data', 'coffee')
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combinations = list('-'.join((a, n)) for a in adjs for n in nouns)
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selection = random.choice(combinations)
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random_label = f'label://{selection}-{os.urandom(4).hex()}'
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return bytes(random_label, encoding='utf-8')
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