207 lines
9.4 KiB
Python
207 lines
9.4 KiB
Python
import asyncio
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import unittest
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from lbry.utils import generate_id
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from lbry.dht.peer import PeerManager, make_kademlia_peer, is_valid_public_ipv4
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from lbry.testcase import AsyncioTestCase
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class PeerTest(AsyncioTestCase):
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def setUp(self):
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self.loop = asyncio.get_event_loop()
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self.peer_manager = PeerManager(self.loop)
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self.node_ids = [generate_id(), generate_id(), generate_id()]
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self.first_contact = make_kademlia_peer(self.node_ids[1], '1.0.0.1', udp_port=1024)
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self.second_contact = make_kademlia_peer(self.node_ids[0], '1.0.0.2', udp_port=1024)
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def test_peer_is_good_unknown_peer(self):
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# Scenario: peer replied, but caller doesn't know the node_id.
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# Outcome: We can't say it's good or bad.
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# (yes, we COULD tell the node id, but not here. It would be
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# a side effect and the caller is responsible to discover it)
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peer = make_kademlia_peer(None, '1.2.3.4', 4444)
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self.peer_manager.report_last_requested('1.2.3.4', 4444)
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self.peer_manager.report_last_replied('1.2.3.4', 4444)
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self.assertIsNone(self.peer_manager.peer_is_good(peer))
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def test_make_contact_error_cases(self):
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4', 100000)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4.5', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], 'this is not an ip', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4', -1000)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4', 0)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4', 1023)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '1.2.3.4', 70000)
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self.assertRaises(ValueError, make_kademlia_peer, b'not valid node id', '1.2.3.4', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '0.0.0.0', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '10.0.0.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '100.64.0.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '127.0.0.1', 1024)
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self.assertIsNotNone(make_kademlia_peer(self.node_ids[1], '127.0.0.1', 1024, allow_localhost=True))
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '192.168.0.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '172.16.0.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '169.254.1.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '192.0.0.2', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '192.0.2.2', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '192.88.99.2', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '198.18.1.1', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '198.51.100.2', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '198.51.100.2', 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '203.0.113.4', 1024)
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for i in range(32):
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], f"{224 + i}.0.0.0", 1024)
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self.assertRaises(ValueError, make_kademlia_peer, self.node_ids[1], '255.255.255.255', 1024)
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self.assertRaises(
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ValueError, make_kademlia_peer, self.node_ids[1], 'beee:eeee:eeee:eeee:eeee:eeee:eeee:eeef', 1024
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)
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self.assertRaises(
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ValueError, make_kademlia_peer, self.node_ids[1], '2001:db8::ff00:42:8329', 1024
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)
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def test_is_valid_ipv4(self):
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self.assertFalse(is_valid_public_ipv4('beee:eeee:eeee:eeee:eeee:eeee:eeee:eeef'))
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self.assertFalse(is_valid_public_ipv4('beee:eeee:eeee:eeee:eeee:eeee:eeee:eeef', True))
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self.assertFalse(is_valid_public_ipv4('2001:db8::ff00:42:8329'))
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self.assertFalse(is_valid_public_ipv4('2001:db8::ff00:42:8329', True))
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self.assertFalse(is_valid_public_ipv4('127.0.0.1'))
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self.assertTrue(is_valid_public_ipv4('127.0.0.1', True))
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self.assertFalse(is_valid_public_ipv4('172.16.0.1'))
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self.assertFalse(is_valid_public_ipv4('172.16.0.1', True))
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self.assertTrue(is_valid_public_ipv4('1.2.3.4'))
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self.assertTrue(is_valid_public_ipv4('1.2.3.4', True))
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self.assertFalse(is_valid_public_ipv4('derp'))
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self.assertFalse(is_valid_public_ipv4('derp', True))
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def test_boolean(self):
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self.assertNotEqual(self.first_contact, self.second_contact)
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self.assertEqual(
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self.second_contact, make_kademlia_peer(self.node_ids[0], '1.0.0.2', udp_port=1024)
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)
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def test_compact_ip(self):
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self.assertEqual(b'\x01\x00\x00\x01', self.first_contact.compact_ip())
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self.assertEqual(b'\x01\x00\x00\x02', self.second_contact.compact_ip())
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@unittest.SkipTest
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class TestContactLastReplied(unittest.TestCase):
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def setUp(self):
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self.clock = task.Clock()
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self.contact_manager = ContactManager(self.clock.seconds)
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self.contact = self.contact_manager.make_contact(generate_id(), "127.0.0.1", 4444, None)
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self.clock.advance(3600)
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self.assertIsNone(self.contact.contact_is_good)
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def test_stale_replied_to_us(self):
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self.contact.update_last_replied()
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self.assertIs(self.contact.contact_is_good, True)
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def test_stale_requested_from_us(self):
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self.contact.update_last_requested()
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self.assertIsNone(self.contact.contact_is_good)
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def test_stale_then_fail(self):
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self.contact.update_last_failed()
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self.assertIsNone(self.contact.contact_is_good)
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self.clock.advance(1)
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self.contact.update_last_failed()
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self.assertIs(self.contact.contact_is_good, False)
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def test_good_turned_stale(self):
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self.contact.update_last_replied()
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(constants.checkRefreshInterval - 1)
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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self.assertIsNone(self.contact.contact_is_good)
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def test_good_then_fail(self):
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self.contact.update_last_replied()
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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self.contact.update_last_failed()
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(59)
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self.assertIs(self.contact.contact_is_good, True)
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self.contact.update_last_failed()
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self.assertIs(self.contact.contact_is_good, False)
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for _ in range(7200):
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self.clock.advance(60)
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self.assertIs(self.contact.contact_is_good, False)
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def test_good_then_fail_then_good(self):
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# it replies
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self.contact.update_last_replied()
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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# it fails twice in a row
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self.contact.update_last_failed()
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self.clock.advance(1)
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self.contact.update_last_failed()
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self.assertIs(self.contact.contact_is_good, False)
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self.clock.advance(1)
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# it replies
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self.contact.update_last_replied()
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self.clock.advance(1)
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self.assertIs(self.contact.contact_is_good, True)
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# it goes stale
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self.clock.advance(constants.checkRefreshInterval - 2)
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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self.assertIsNone(self.contact.contact_is_good)
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@unittest.SkipTest
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class TestContactLastRequested(unittest.TestCase):
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def setUp(self):
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self.clock = task.Clock()
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self.contact_manager = ContactManager(self.clock.seconds)
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self.contact = self.contact_manager.make_contact(generate_id(), "127.0.0.1", 4444, None)
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self.clock.advance(1)
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self.contact.update_last_replied()
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self.clock.advance(3600)
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self.assertIsNone(self.contact.contact_is_good)
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def test_previous_replied_then_requested(self):
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# it requests
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self.contact.update_last_requested()
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self.assertIs(self.contact.contact_is_good, True)
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# it goes stale
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self.clock.advance(constants.checkRefreshInterval - 1)
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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self.assertIsNone(self.contact.contact_is_good)
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def test_previous_replied_then_requested_then_failed(self):
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# it requests
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self.contact.update_last_requested()
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self.assertIs(self.contact.contact_is_good, True)
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self.clock.advance(1)
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# it fails twice in a row
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self.contact.update_last_failed()
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self.clock.advance(1)
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self.contact.update_last_failed()
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self.assertIs(self.contact.contact_is_good, False)
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self.clock.advance(1)
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# it requests
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self.contact.update_last_requested()
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self.clock.advance(1)
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self.assertIs(self.contact.contact_is_good, False)
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# it goes stale
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self.clock.advance((constants.refreshTimeout / 4) - 2)
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self.assertIs(self.contact.contact_is_good, False)
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self.clock.advance(1)
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self.assertIs(self.contact.contact_is_good, False)
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