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simplifications and clarifications for review of federation tests

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This commit is contained in:
Scott Sadler 2017-04-12 11:58:43 +02:00
parent a6ba13dc3e
commit de445bb977
1 changed files with 14 additions and 22 deletions
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36
tests/integration/test_federation.py
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@ -24,15 +24,26 @@ def federation(n):
@contextmanager
def make_nodes(i):
"""
make_nodes is a recursive context manager. Essentially it is doing:
with f(a[0]) as b0:
with f(a[1]) as b1:
with f(a[2]) as b2:
yield [b0, b1, b2]
with an arbitrary depth. It is also temporarily patching global
configuration to simulate nodes with separate identities.
"""
nonlocal keys
if i == 0:
yield []
else:
config = deepcopy(config_orig)
keys = [keys[-1]] + keys[:-1]
keys = [keys[-1]] + keys[:-1] # Rotate keys
config['keyring'] = [pub for _, pub in keys[1:]]
config['keypair']['private'] = keys[0][0]
config['keypair']['public'] = keys[0][1]
config['keyring'] = list(list(zip(*keys[1:]))[1])
bigchaindb.config = config
stepper = create_stepper()
with stepper.start():
@ -143,26 +154,6 @@ def test_elect_disagree_prev_block(federation_3):
assert bx[i].get_transaction(tx.id, True)[1] is None
@pytest.mark.skip() # TODO: wait for #1309
@pytest.mark.bdb
@pytest.mark.genesis
def test_elect_dupe_vote(federation_3):
from bigchaindb.exceptions import CriticalDuplicateVote
[bx, (s0, s1, s2)] = federation_3
tx = input_single_create(bx[0])
process_tx(s0)
process_tx(s1)
process_tx(s2)
vote = process_vote(s0, True)
# Drop the unique index and write the vote again
bx[0].connection.db.votes.drop_index('block_and_voter')
s0.queues['vote_write_vote'].append([vote])
s0.vote_write_vote()
for i in range(3):
with pytest.raises(CriticalDuplicateVote):
bx[i].get_transaction(tx.id, True)[1]
@pytest.mark.bdb
@pytest.mark.genesis
def test_elect_sybill(federation_3):
@ -172,6 +163,7 @@ def test_elect_sybill(federation_3):
process_tx(s1)
process_tx(s2)
# What we need is some votes from unknown nodes!
# Incorrectly signed votes are ineligible.
for s in [s0, s1, s2]:
s.vote.bigchain.me_private = generate_key_pair()[0]
process_vote(s0, True)