def test_lossy(self):
bromine.CONFIG['n'] = 3 # can't do it with N being even
score_board = bromine.Scoreboard()
systems = bromine.Systems()
payload = data(30)
score_board.push_data(payload)
iterations = 0
while len(systems.data) < 30:
iterations += 1
#self.assertTrue(iterations < 100)
address = score_board.transmit()
mids = address_to_mids(address)
if len(mids) == 1 and random.random() < 0.9:
pass # drop
# random number generation is heavily tilted towards
# small systems... dropping all of them is difficult
else:
# keep complex systems and some singletons, hope to reconstruct
# all messages
systems.add(address)
score_board.retire(systems.last_seen_remote_mid)
self.assertEqual(b''.join(systems.data), payload)
def __init__(self, channel_id):
self.channel_id = channel_id
# data going out
self.score_board = bromine.Scoreboard()
self.last_ack = bromine.INVALID_MID
# data coming in
self.systems = bromine.Systems()
def test_ack(self):
score_board = bromine.Scoreboard()
systems = bromine.Systems()
score_board.last_seen_remote_mid = 42
ack = score_board.transmit()
self.assertTrue(bromine.valid_dns_name(ack))
if score_board.mid == 1:
systems.add(ack)
self.assertEqual(systems.acks, [(42, 0)])
def test_data(self):
score_board = bromine.Scoreboard()
systems = bromine.Systems()
payload = data(1)
score_board.push_data(payload)
loaded = score_board.transmit()
self.assertTrue(bromine.valid_dns_name(loaded))
if score_board.mid == 1:
systems.add(loaded)
self.assertEqual(len(systems.data), 1)
self.assertEqual(systems.data[0], payload)
def __init__(self):
if TESTING:
self.resolver = client.Resolver(servers=[('127.0.0.1', 5553)])
else:
# self.resolver = client.Resolver('/etc/resolv.conf')
self.resolver = client.Resolver(servers=[('8.8.8.8', 53)])
# data going out
self.score_board = bromine.Scoreboard()
self.last_ack = bromine.INVALID_MID
# data coming in
self.systems = bromine.Systems()
# keep track of callbacks
self.requested = 0 # looping call not withstanding
LoopingCall(self.pump).start(SLOW)
def test_variety(self):
score_board = bromine.Scoreboard()
SOME = 5
for _ in range(SOME):
score_board.push_data(data(1))
for i in range(SOME):
address = score_board.transmit()
mids = address_to_mids(address)
if len(mids) > 1:
# systems get complex very soon
break
else:
self.assertFalse("should have break'd")
addresses = set()
for i in range(10 * SOME):
address = score_board.transmit()
self.assertFalse(address in addresses)
addresses.add(address)
def __init__(self):
self.emit = bromine.Scoreboard()
self.recv = bromine.Systems()
self.data = []