MiNode/minode/tests/test_message.py

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"""Tests for messages"""
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import unittest
from binascii import unhexlify
from minode import message
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MAGIC = 0xE9BEB4D9
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# 500 identical peers:
# import ipaddress
# from hyperbit import net, packet
# [packet.Address(
# 1626611891, 1, 1, net.ipv6(ipaddress.ip_address('127.0.0.1')).packed,
# 8444
# ) for _ in range(1000)]
sample_data = unhexlify(
'fd01f4' + (
'0000000060f420b30000000'
'1000000000000000100000000000000000000ffff7f00000120fc'
) * 500
)
class TestMessage(unittest.TestCase):
"""Test assembling and disassembling of network mesages"""
def test_packet(self):
"""Check the packet created by message.Message()"""
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head = unhexlify(b'%x' % MAGIC)
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self.assertEqual(
message.Message(b'ping', b'').to_bytes()[:len(head)], head)
def test_addr(self):
"""Test addr messages"""
msg = message.Message(b'addr', sample_data)
addr_packet = message.Addr.from_message(msg)
self.assertEqual(len(addr_packet.addresses), 500)
address = addr_packet.addresses.pop()
self.assertEqual(address.stream, 1)
self.assertEqual(address.services, 1)
self.assertEqual(address.port, 8444)
self.assertEqual(address.host, '127.0.0.1')