92 lines
4.5 KiB
Python
92 lines
4.5 KiB
Python
import asyncio
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import random
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from lbry.testcase import AsyncioTestCase
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from lbry.dht.peer import KademliaPeer
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from lbry.torrent.tracker import CompactIPv4Peer, TrackerClient, enqueue_tracker_search, UDPTrackerServerProtocol, encode_peer
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class UDPTrackerClientTestCase(AsyncioTestCase):
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async def asyncSetUp(self):
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self.client_servers_list = []
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self.servers = {}
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self.client = TrackerClient(b"\x00" * 48, 4444, lambda: self.client_servers_list, timeout=1)
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await self.client.start()
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self.addCleanup(self.client.stop)
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await self.add_server()
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async def add_server(self, port=None, add_to_client=True):
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port = port or len(self.servers) + 59990
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assert port not in self.servers
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server = UDPTrackerServerProtocol()
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self.servers[port] = server
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transport, _ = await self.loop.create_datagram_endpoint(lambda: server, local_addr=("127.0.0.1", port))
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self.addCleanup(transport.close)
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if add_to_client:
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self.client_servers_list.append(("127.0.0.1", port))
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async def test_announce(self):
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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announcement = (await self.client.get_peer_list(info_hash))[0]
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self.assertEqual(announcement.seeders, 1)
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self.assertEqual(announcement.peers,
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[CompactIPv4Peer(int.from_bytes(bytes([127, 0, 0, 1]), "big", signed=False), 4444)])
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async def test_announce_many_info_hashes_to_many_servers_with_bad_one_and_dns_error(self):
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await asyncio.gather(*[self.add_server() for _ in range(3)])
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self.client_servers_list.append(("no.it.does.not.exist", 7070))
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self.client_servers_list.append(("127.0.0.2", 7070))
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info_hashes = [random.getrandbits(160).to_bytes(20, "big", signed=False) for _ in range(5)]
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await self.client.announce_many(*info_hashes)
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for server in self.servers.values():
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self.assertDictEqual(
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server.peers, {
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info_hash: [encode_peer("127.0.0.1", self.client.announce_port)] for info_hash in info_hashes
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})
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async def test_announce_using_helper_function(self):
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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queue = asyncio.Queue()
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enqueue_tracker_search(info_hash, queue)
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peers = await queue.get()
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self.assertEqual(peers, [KademliaPeer('127.0.0.1', None, None, 4444, allow_localhost=True)])
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async def test_error(self):
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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await self.client.get_peer_list(info_hash)
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list(self.servers.values())[0].known_conns.clear()
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self.client.results.clear()
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with self.assertRaises(Exception) as err:
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await self.client.get_peer_list(info_hash)
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self.assertEqual(err.exception.args[0], b'Connection ID missmatch.\x00')
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async def test_multiple_servers(self):
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await asyncio.gather(*[self.add_server() for _ in range(10)])
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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await self.client.get_peer_list(info_hash)
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for server in self.servers.values():
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self.assertEqual(server.peers, {info_hash: [encode_peer("127.0.0.1", self.client.announce_port)]})
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async def test_multiple_servers_with_bad_one(self):
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await asyncio.gather(*[self.add_server() for _ in range(10)])
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self.client_servers_list.append(("127.0.0.2", 7070))
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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await self.client.get_peer_list(info_hash)
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for server in self.servers.values():
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self.assertEqual(server.peers, {info_hash: [encode_peer("127.0.0.1", self.client.announce_port)]})
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async def test_multiple_servers_with_different_peers_across_helper_function(self):
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# this is how the downloader uses it
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await asyncio.gather(*[self.add_server() for _ in range(10)])
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info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
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fake_peers = []
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for server in self.servers.values():
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for _ in range(10):
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peer = (f"127.0.0.{random.randint(1, 255)}", random.randint(2000, 65500))
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fake_peers.append(peer)
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server.add_peer(info_hash, *peer)
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peer_q = asyncio.Queue()
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enqueue_tracker_search(info_hash, peer_q)
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await asyncio.sleep(0)
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await asyncio.gather(*self.client.tasks.values())
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self.assertEqual(11, peer_q.qsize())
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