Onionr/tests/gossip-unittests/test_client_stream_have.py

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import os, uuid
from sqlite3 import Time
import socket
from queue import Queue
from time import sleep
import secrets
TEST_DIR = 'testdata/%s-%s' % (str(uuid.uuid4())[:6], os.path.basename(__file__)) + '/'
print("Test directory:", TEST_DIR)
os.environ["ONIONR_HOME"] = TEST_DIR
from threading import Thread
import asyncio
import unittest
import sys
sys.path.append(".")
sys.path.append("src/")
from unittest.mock import patch
from ordered_set import OrderedSet
from gossip import peerset
import onionrblocks
import blockdb
from gossip.peerset import gossip_peer_set
from gossip.client import stream_from_peers
from filepaths import gossip_server_socket_file
BLOCK_MAX_SIZE = 1024 * 2000
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BLOCK_SIZE_LEN = len(str(BLOCK_MAX_SIZE))
BLOCK_ID_SIZE = 128
BLOCK_STREAM_OFFSET_DIGITS = 8
MAX_PEERS = 10
TRANSPORT_SIZE_BYTES = 64
server_file = TEST_DIR + 'test_serv.sock'
def gen_random_block():
return onionrblocks.create_anonvdf_block(os.urandom(12), b'txt', 3600)
test_blocks = []
test_thread = []
test_block_count = 5
for i in range(test_block_count):
test_blocks.append(gen_random_block())
already_have_blocks = []
duplicated_block = [False]
for bl in secrets.SystemRandom().sample(test_blocks, 3):
blockdb.add_block_to_db(bl)
already_have_blocks.append(bl.id)
def _server():
with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s:
s.bind(server_file)
s.listen(1)
conn, _ = s.accept()
with conn:
conn.recv(1)
conn.recv(BLOCK_STREAM_OFFSET_DIGITS)
for bl in test_blocks:
conn.sendall(bl.id)
choice = conn.recv(1)
if choice == int(1).to_bytes(1, 'big') \
and bl.id in already_have_blocks:
duplicated_block[0] = True
print('duplicated block')
elif choice == int(0).to_bytes(1, 'big') and bl.id in already_have_blocks:
print('skipping block correctly')
continue
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conn.sendall(str(len(bl.raw)).encode('utf-8').zfill(BLOCK_SIZE_LEN))
conn.sendall(bl.raw)
conn.recv(1)
Thread(target=_server, daemon=True).start()
class MockPeer:
def __init__(self):
self.transport_address = secrets.token_hex(16)
def __hash__(self):
return hash(self.transport_address)
def get_socket(self, timeout):
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.connect(server_file)
return s
class OnionrGossipClientDiffuse(unittest.TestCase):
def test_client_stream_have(self):
gossip_peer_set.add(MockPeer())
t = Thread(target=stream_from_peers, daemon=True)
test_thread.append(t)
test_thread[0].start()
c = 0
while c < 10:
c += 1
if len(list(blockdb.get_blocks_after_timestamp(0))) == test_block_count:
break
sleep(1)
else:
raise TimeoutError("Did not stream blocks in time")
self.assertFalse(duplicated_block[0])
unittest.main()