lbry-sdk/torba/tests/client_tests/integration/test_reconnect.py
2019-06-20 13:45:46 -04:00

74 lines
3.3 KiB
Python

import logging
import asyncio
from unittest.mock import Mock
from torba.client.basenetwork import BaseNetwork
from torba.rpc import RPCSession
from torba.testcase import IntegrationTestCase, AsyncioTestCase
class ReconnectTests(IntegrationTestCase):
VERBOSITY = logging.WARN
async def test_connection_drop_still_receives_events_after_reconnected(self):
address1 = await self.account.receiving.get_or_create_usable_address()
self.ledger.network.client.connection_lost(Exception())
sendtxid = await self.blockchain.send_to_address(address1, 1.1337)
await self.on_transaction_id(sendtxid) # mempool
await self.blockchain.generate(1)
await self.on_transaction_id(sendtxid) # confirmed
await self.assertBalance(self.account, '1.1337')
# is it real? are we rich!? let me see this tx...
d = self.ledger.network.get_transaction(sendtxid)
# what's that smoke on my ethernet cable? oh no!
self.ledger.network.client.connection_lost(Exception())
with self.assertRaises(asyncio.CancelledError):
await d
# rich but offline? no way, no water, let's retry
with self.assertRaisesRegex(ConnectionError, 'connection is not available'):
await self.ledger.network.get_transaction(sendtxid)
# * goes to pick some water outside... * time passes by and another donation comes in
sendtxid = await self.blockchain.send_to_address(address1, 42)
await self.blockchain.generate(1)
# omg, the burned cable still works! torba is fire proof!
await self.ledger.network.get_transaction(sendtxid)
async def test_timeout_then_reconnect(self):
await self.conductor.spv_node.stop()
self.assertFalse(self.ledger.network.is_connected)
await self.conductor.spv_node.start(self.conductor.blockchain_node)
await self.ledger.network.on_connected.first
self.assertTrue(self.ledger.network.is_connected)
class ServerPickingTestCase(AsyncioTestCase):
async def _make_fake_server(self, latency=1.0, port=1337):
# local fake server with artificial latency
proto = RPCSession()
proto.handle_request = lambda _: asyncio.sleep(latency)
server = await self.loop.create_server(lambda: proto, host='127.0.0.1', port=port)
self.addCleanup(server.close)
return ('127.0.0.1', port)
async def test_pick_fastest(self):
ledger = Mock(config={
'default_servers': [
await self._make_fake_server(latency=1.5, port=1340),
await self._make_fake_server(latency=0.1, port=1337),
await self._make_fake_server(latency=1.0, port=1339),
await self._make_fake_server(latency=0.5, port=1338),
],
'connect_timeout': 30
})
network = BaseNetwork(ledger)
self.addCleanup(network.stop)
asyncio.ensure_future(network.start())
await asyncio.wait_for(network.on_connected.first, timeout=1)
self.assertTrue(network.is_connected)
self.assertEqual(network.client.server, ('127.0.0.1', 1337))
# ensure we are connected to all of them
self.assertEqual(len(network.session_pool.sessions), 4)
self.assertTrue(all([not session.is_closing() for session in network.session_pool.sessions]))