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PyBitmessage-2024-12-06/src/tests/core.py
Dmitri Bogomolov daf556ca50
Added tests for knownnodes:
- import of pickled knownnodes;
  - default knownnodes if nothing imported;
  - knownnodes starvation (#1335), demanded changes in networkthread.
2018-10-22 17:18:24 +03:00

118 lines
3.8 KiB
Python

"""
Tests for core and those that do not work outside
(because of import error for example)
"""
import os
import pickle # nosec
import Queue
import random # nosec
import string
import time
import unittest
import knownnodes
import state
from helper_msgcoding import MsgEncode, MsgDecode
from queues import excQueue
knownnodes_file = os.path.join(state.appdata, 'knownnodes.dat')
def pickle_knownnodes():
now = time.time()
with open(knownnodes_file, 'wb') as dst:
pickle.dump({
stream: {
state.Peer(
'%i.%i.%i.%i' % tuple([
random.randint(1, 255) for i in range(4)]),
8444): {'lastseen': now, 'rating': 0.1}
for i in range(1, 4) # 3 test nodes
}
for stream in range(1, 4) # 3 test streams
}, dst)
def cleanup():
os.remove(knownnodes_file)
class TestCore(unittest.TestCase):
"""Test case, which runs in main pybitmessage thread"""
def test_msgcoding(self):
"""test encoding and decoding (originally from helper_msgcoding)"""
msg_data = {
'subject': ''.join(
random.choice(string.ascii_lowercase + string.digits) # nosec
for _ in range(40)),
'body': ''.join(
random.choice(string.ascii_lowercase + string.digits) # nosec
for _ in range(10000))
}
obj1 = MsgEncode(msg_data, 1)
obj2 = MsgEncode(msg_data, 2)
obj3 = MsgEncode(msg_data, 3)
# print "1: %i 2: %i 3: %i" % (
# len(obj1.data), len(obj2.data), len(obj3.data))
obj1e = MsgDecode(1, obj1.data)
# no subject in trivial encoding
self.assertEqual(msg_data['body'], obj1e.body)
obj2e = MsgDecode(2, obj2.data)
self.assertEqual(msg_data['subject'], obj2e.subject)
self.assertEqual(msg_data['body'], obj2e.body)
obj3e = MsgDecode(3, obj3.data)
self.assertEqual(msg_data['subject'], obj3e.subject)
self.assertEqual(msg_data['body'], obj3e.body)
def _wipe_knownnodes(self):
with knownnodes.knownNodesLock:
knownnodes.knownNodes = {stream: {} for stream in range(1, 4)}
def test_knownnodes_pickle(self):
"""ensure that 3 nodes was imported for each stream"""
pickle_knownnodes()
self._wipe_knownnodes()
knownnodes.readKnownNodes()
for nodes in knownnodes.knownNodes.itervalues():
self_count = n = 0
for n, node in enumerate(nodes.itervalues()):
if node.get('self'):
self_count += 1
self.assertEqual(n - self_count, 2)
def test_knownnodes_default(self):
"""test adding default knownnodes if nothing loaded"""
cleanup()
self._wipe_knownnodes()
knownnodes.readKnownNodes()
self.assertGreaterEqual(
len(knownnodes.knownNodes[1]), len(knownnodes.DEFAULT_NODES))
def test_0_cleaner(self):
"""test knownnodes starvation leading to IndexError in Asyncore"""
for nodes in knownnodes.knownNodes.itervalues():
for node in nodes.itervalues():
node['lastseen'] -= 2419205 # older than 28 days
time.sleep(303) # singleCleaner wakes up every 5 min
while True:
try:
thread, exc = excQueue.get(block=False)
except Queue.Empty:
return
if thread == 'Asyncore' and isinstance(exc, IndexError):
self.fail("IndexError because of empty knownNodes!")
def run():
"""Starts all tests defined in this module"""
loader = unittest.TestLoader()
loader.sortTestMethodsUsing = None
suite = loader.loadTestsFromTestCase(TestCore)
return unittest.TextTestRunner(verbosity=2).run(suite)