nomos-specs/mixnet/test_node.py
2024-06-28 12:26:44 +09:00

39 lines
1.2 KiB
Python

import asyncio
from unittest import IsolatedAsyncioTestCase
from mixnet.node import Node
from mixnet.test_utils import (
init_mixnet_config,
)
class TestNode(IsolatedAsyncioTestCase):
async def test_node(self):
global_config, node_configs, _ = init_mixnet_config(10)
nodes = [Node(node_config, global_config) for node_config in node_configs]
for i, node in enumerate(nodes):
try:
node.connect(nodes[(i + 1) % len(nodes)])
except ValueError as e:
print(e)
await nodes[0].send_message(b"block selection")
timeout = 15
for _ in range(timeout):
broadcasted_msgs = []
for node in nodes:
if not node.broadcast_channel.empty():
broadcasted_msgs.append(node.broadcast_channel.get_nowait())
if len(broadcasted_msgs) == 0:
await asyncio.sleep(1)
else:
# We expect only one node to broadcast the message.
assert len(broadcasted_msgs) == 1
self.assertEqual(b"block selection", broadcasted_msgs[0])
return
self.fail("timeout")
# TODO: check noise