115 lines
5 KiB
Python
115 lines
5 KiB
Python
import contextlib
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import typing
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import binascii
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import asyncio
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from torba.testcase import AsyncioTestCase
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from tests import dht_mocks
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from lbrynet.conf import Config
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from lbrynet.dht import constants
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from lbrynet.dht.node import Node
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from lbrynet.dht.peer import PeerManager
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from lbrynet.dht.blob_announcer import BlobAnnouncer
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from lbrynet.extras.daemon.storage import SQLiteStorage
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class TestBlobAnnouncer(AsyncioTestCase):
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async def setup_node(self, peer_addresses, address, node_id):
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self.nodes: typing.Dict[int, Node] = {}
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self.advance = dht_mocks.get_time_accelerator(self.loop, self.loop.time())
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self.conf = Config()
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self.storage = SQLiteStorage(self.conf, ":memory:", self.loop, self.loop.time)
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await self.storage.open()
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self.peer_manager = PeerManager(self.loop)
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self.node = Node(self.loop, self.peer_manager, node_id, 4444, 4444, 3333, address)
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await self.node.start_listening(address)
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self.blob_announcer = BlobAnnouncer(self.loop, self.node, self.storage)
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for node_id, address in peer_addresses:
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await self.add_peer(node_id, address)
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self.node.joined.set()
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async def add_peer(self, node_id, address, add_to_routing_table=True):
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n = Node(self.loop, PeerManager(self.loop), node_id, 4444, 4444, 3333, address)
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await n.start_listening(address)
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self.nodes.update({len(self.nodes): n})
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if add_to_routing_table:
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self.node.protocol.add_peer(
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self.peer_manager.get_kademlia_peer(
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n.protocol.node_id, n.protocol.external_ip, n.protocol.udp_port
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)
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)
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@contextlib.asynccontextmanager
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async def _test_network_context(self, peer_addresses=None):
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self.peer_addresses = peer_addresses or [
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(constants.generate_id(2), '1.2.3.2'),
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(constants.generate_id(3), '1.2.3.3'),
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(constants.generate_id(4), '1.2.3.4'),
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(constants.generate_id(5), '1.2.3.5'),
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(constants.generate_id(6), '1.2.3.6'),
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(constants.generate_id(7), '1.2.3.7'),
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(constants.generate_id(8), '1.2.3.8'),
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(constants.generate_id(9), '1.2.3.9'),
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]
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try:
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with dht_mocks.mock_network_loop(self.loop):
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await self.setup_node(self.peer_addresses, '1.2.3.1', constants.generate_id(1))
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yield
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finally:
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self.blob_announcer.stop()
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self.node.stop()
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for n in self.nodes.values():
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n.stop()
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async def chain_peer(self, node_id, address):
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previous_last_node = self.nodes[len(self.nodes) - 1]
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await self.add_peer(node_id, address, False)
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last_node = self.nodes[len(self.nodes) - 1]
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peer = last_node.protocol.get_rpc_peer(
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last_node.protocol.peer_manager.get_kademlia_peer(
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previous_last_node.protocol.node_id, previous_last_node.protocol.external_ip,
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previous_last_node.protocol.udp_port
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)
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)
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await peer.ping()
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return peer
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async def test_announce_blobs(self):
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blob1 = binascii.hexlify(b'1' * 48).decode()
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blob2 = binascii.hexlify(b'2' * 48).decode()
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async with self._test_network_context():
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await self.storage.add_blobs((blob1, 1024), (blob2, 1024), finished=True)
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await self.storage.db.execute(
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"update blob set next_announce_time=0, should_announce=1 where blob_hash in (?, ?)",
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(blob1, blob2)
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)
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to_announce = await self.storage.get_blobs_to_announce()
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self.assertEqual(2, len(to_announce))
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self.blob_announcer.start(batch_size=1) # so it covers batching logic
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await self.advance(61.0)
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to_announce = await self.storage.get_blobs_to_announce()
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self.assertEqual(0, len(to_announce))
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self.blob_announcer.stop()
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# test that we can route from a poorly connected peer all the way to the announced blob
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await self.chain_peer(constants.generate_id(10), '1.2.3.10')
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await self.chain_peer(constants.generate_id(11), '1.2.3.11')
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await self.chain_peer(constants.generate_id(12), '1.2.3.12')
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await self.chain_peer(constants.generate_id(13), '1.2.3.13')
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await self.chain_peer(constants.generate_id(14), '1.2.3.14')
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await self.advance(61.0)
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last = self.nodes[len(self.nodes) - 1]
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search_q, peer_q = asyncio.Queue(loop=self.loop), asyncio.Queue(loop=self.loop)
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search_q.put_nowait(blob1)
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_, task = last.accumulate_peers(search_q, peer_q)
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found_peers = await peer_q.get()
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task.cancel()
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self.assertEqual(1, len(found_peers))
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self.assertEqual(self.node.protocol.node_id, found_peers[0].node_id)
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self.assertEqual(self.node.protocol.external_ip, found_peers[0].address)
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self.assertEqual(self.node.protocol.peer_port, found_peers[0].tcp_port)
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