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