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test_blockchain_ursulas_reencrypt now works for N=10. Also test for down nodes.

pull/1364/head
David Núñez 2019-10-21 00:50:09 +02:00
parent ad67f7c8ab
commit 72fca457c9
1 changed files with 15 additions and 5 deletions
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20
tests/characters/test_ursula_prepares_to_act_as_mining_node.py
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@ -24,8 +24,9 @@ from nucypher.characters.lawful import Enrico
from nucypher.characters.unlawful import Vladimir from nucypher.characters.unlawful import Vladimir
from nucypher.crypto.api import verify_eip_191 from nucypher.crypto.api import verify_eip_191
from nucypher.crypto.powers import SigningPower from nucypher.crypto.powers import SigningPower
from nucypher.policy.policies import Policy
from nucypher.utilities.sandbox.constants import INSECURE_DEVELOPMENT_PASSWORD from nucypher.utilities.sandbox.constants import INSECURE_DEVELOPMENT_PASSWORD
from nucypher.utilities.sandbox.middleware import MockRestMiddleware from nucypher.utilities.sandbox.middleware import MockRestMiddleware, NodeIsDownMiddleware
from nucypher.utilities.sandbox.ursula import make_federated_ursulas, make_decentralized_ursulas from nucypher.utilities.sandbox.ursula import make_federated_ursulas, make_decentralized_ursulas
@ -165,10 +166,7 @@ def test_blockchain_ursulas_reencrypt(blockchain_ursulas, blockchain_alice, bloc
label = b'bbo' label = b'bbo'
# TODO: Make sample selection buffer configurable - #1061 # TODO: Make sample selection buffer configurable - #1061
# Currently, it only supports N<=6, since for N=7, it tries to sample 11 ursulas due to wiggle room, m = n = 10
# and blockchain_ursulas only contains 10.
# For N >= 7 : NotEnoughBlockchainUrsulas: Cannot create policy with 7 arrangements: There are 10 active stakers, need at least 11.
m = n = 6
expiration = maya.now() + datetime.timedelta(days=5) expiration = maya.now() + datetime.timedelta(days=5)
_policy = blockchain_alice.grant(bob=blockchain_bob, _policy = blockchain_alice.grant(bob=blockchain_bob,
@ -188,3 +186,15 @@ def test_blockchain_ursulas_reencrypt(blockchain_ursulas, blockchain_alice, bloc
plaintext = blockchain_bob.retrieve(message_kit, enrico, blockchain_alice.stamp, label) plaintext = blockchain_bob.retrieve(message_kit, enrico, blockchain_alice.stamp, label)
assert plaintext[0] == message assert plaintext[0] == message
# Let's consider also that a node may be down when granting
blockchain_alice.network_middleware = NodeIsDownMiddleware()
blockchain_alice.network_middleware.node_is_down(blockchain_ursulas[0])
with pytest.raises(Policy.Rejected):
_policy = blockchain_alice.grant(bob=blockchain_bob,
label=b'another-label',
m=m,
n=n,
expiration=expiration,
value=policy_value)