class KademliaProtocolTest(unittest.TestCase):
def setUp(self):
self.public_ip = '123.45.67.89'
self.port = 12345
self.own_addr = (self.public_ip, self.port)
self.addr1 = ('132.54.76.98', 54321)
self.addr2 = ('231.76.45.89', 15243)
self.clock = task.Clock()
connection.REACTOR.callLater = self.clock.callLater
self.proto_mock = mock.Mock(spec_set=rudp.ConnectionMultiplexer)
self.handler_mock = mock.Mock(spec_set=connection.Handler)
self.con = connection.Connection(
self.proto_mock,
self.handler_mock,
self.own_addr,
self.addr1
)
valid_key = "1a5c8e67edb8d279d1ae32fa2da97e236b95e95c837dc8c3c7c2ff7a7cc29855"
self.signing_key = nacl.signing.SigningKey(valid_key, encoder=nacl.encoding.HexEncoder)
verify_key = self.signing_key.verify_key
signed_pubkey = self.signing_key.sign(str(verify_key))
h = nacl.hash.sha512(signed_pubkey)
self.storage = ForgetfulStorage()
self.node = Node(unhexlify(h[:40]), self.public_ip, self.port, signed_pubkey, True)
self.protocol = KademliaProtocol(self.node, self.storage, 20)
self.handler = self.protocol.RPCHandler(False, 5, self.protocol._outstanding, self.protocol)
self.handler.connection = self.con
transport = mock.Mock(spec_set=udp.Port)
ret_val = address.IPv4Address('UDP', self.public_ip, self.port)
transport.attach_mock(mock.Mock(return_value=ret_val), 'getHost')
self.protocol.makeConnection(transport)
def tearDown(self):
self.con.shutdown()
self.protocol.shutdown()
def test_invalid_datagram(self):
self.assertFalse(self.handler.receive_message("hi"))
self.assertFalse(self.handler.receive_message("hihihihihihihihihihihihihihihihihihihihih"))
def test_rpc_ping(self):
self._connecting_to_connected()
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("PING")
data = m.SerializeToString()
m.arguments.append(self.protocol.sourceNode.getProto().SerializeToString())
expected_message = m.SerializeToString()
self.handler.receive_message(data)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
received_message = sent_packet.payload
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 2)
def test_rpc_store(self):
self._connecting_to_connected()
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("STORE")
m.arguments.extend(["Keyword", "Key", self.protocol.sourceNode.getProto().SerializeToString()])
data = m.SerializeToString()
for i in range(0, 3):
del m.arguments[-1]
m.arguments.append("True")
expected_message = m.SerializeToString()
self.handler.receive_message(data)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
received_message = sent_packet.payload
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 2)
self.assertTrue(self.storage.getSpecific("Keyword", "Key") == self.protocol.sourceNode.getProto().SerializeToString())
def test_rpc_delete(self):
self._connecting_to_connected()
# Set a keyword to store
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("STORE")
m.arguments.extend(["Keyword", "Key", self.protocol.sourceNode.getProto().SerializeToString()])
data = m.SerializeToString()
for i in range(0, 3):
del m.arguments[-1]
m.arguments.append("True")
expected_message1 = m.SerializeToString()
self.handler.receive_message(data)
self.assertTrue(self.storage.getSpecific("Keyword", "Key") == self.protocol.sourceNode.getProto().SerializeToString())
# Test bad signature
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("DELETE")
m.arguments.extend(["Keyword", "Key", "Bad Signature"])
data = m.SerializeToString()
for i in range(0, 3):
del m.arguments[-1]
m.arguments.append("False")
expected_message2 = m.SerializeToString()
self.handler.receive_message(data)
self.assertTrue(self.storage.getSpecific("Keyword", "Key") == self.protocol.sourceNode.getProto().SerializeToString())
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packets = tuple(
packet.Packet.from_bytes(call[0][0])
for call in self.proto_mock.send_datagram.call_args_list
)
self.assertEqual(sent_packets[0].payload, expected_message1)
self.assertEqual(sent_packets[1].payload, expected_message2)
self.proto_mock.send_datagram.call_args_list = []
# Test good signature
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("DELETE")
m.arguments.extend(["Keyword", "Key", self.signing_key.sign("Key")[:64]])
data = m.SerializeToString()
for i in range(0, 3):
del m.arguments[-1]
m.arguments.append("True")
expected_message3 = m.SerializeToString()
self.handler.receive_message(data)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
self.assertEqual(sent_packet.payload, expected_message3)
self.assertTrue(self.storage.getSpecific("Keyword", "Key") is None)
def test_rpc_stun(self):
self._connecting_to_connected()
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("STUN")
data = m.SerializeToString()
m.arguments.extend([self.addr1[0], str(self.addr1[1])])
expected_message = m.SerializeToString()
self.handler.receive_message(data)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
received_message = sent_packet.payload
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 2)
def test_rpc_find_node(self):
self._connecting_to_connected()
node1 = Node(digest("id1"), "127.0.0.1", 12345, digest("key1"))
node2 = Node(digest("id2"), "127.0.0.1", 22222, digest("key2"))
node3 = Node(digest("id3"), "127.0.0.1", 77777, digest("key3"))
self.protocol.router.addContact(node1)
self.protocol.router.addContact(node2)
self.protocol.router.addContact(node3)
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("FIND_NODE")
m.arguments.append(digest("nodetofind"))
data = m.SerializeToString()
del m.arguments[-1]
m.arguments.extend([node3.getProto().SerializeToString(), node2.getProto().SerializeToString(), node1.getProto().SerializeToString()])
expected_message = m.SerializeToString()
self.handler.receive_message(data)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
received_message = sent_packet.payload
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 2)
def test_rpc_find_value(self):
self._connecting_to_connected()
# Set a value to find
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("STORE")
m.arguments.extend(["Keyword", "Key", self.protocol.sourceNode.getProto().SerializeToString()])
data = m.SerializeToString()
self.handler.receive_message(data)
self.assertTrue(self.storage.getSpecific("Keyword", "Key") == self.protocol.sourceNode.getProto().SerializeToString())
# Send the find_value rpc
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("FIND_VALUE")
m.arguments.append("Keyword")
data = m.SerializeToString()
self.handler.receive_message(data)
del m.arguments[-1]
value = message.Value()
value.valueKey = "Key"
value.serializedData = self.protocol.sourceNode.getProto().SerializeToString()
m.arguments.append("value")
m.arguments.append(value.SerializeToString())
expected_message = m.SerializeToString()
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packets = tuple(
packet.Packet.from_bytes(call[0][0])
for call in self.proto_mock.send_datagram.call_args_list
)
received_message = sent_packets[1].payload
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 3)
def test_rpc_find_without_value(self):
self._connecting_to_connected()
node1 = Node(digest("id1"), "127.0.0.1", 12345, digest("key1"))
node2 = Node(digest("id2"), "127.0.0.1", 22222, digest("key2"))
node3 = Node(digest("id3"), "127.0.0.1", 77777, digest("key3"))
self.protocol.router.addContact(node1)
self.protocol.router.addContact(node2)
self.protocol.router.addContact(node3)
m = message.Message()
m.messageID = digest("msgid")
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("FIND_VALUE")
m.arguments.append(digest("Keyword"))
data = m.SerializeToString()
self.handler.receive_message(data)
del m.arguments[-1]
m.arguments.extend([node2.getProto().SerializeToString(), node3.getProto().SerializeToString(), node1.getProto().SerializeToString()])
expected_message = m.SerializeToString()
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
m_calls = self.proto_mock.send_datagram.call_args_list
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
received_message = sent_packet.payload
m = message.Message()
m.ParseFromString(received_message)
self.assertEqual(received_message, expected_message)
self.assertEqual(len(m_calls), 2)
def test_callPing(self):
self._connecting_to_connected()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
self.protocol.callPing(n)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
self.assertTrue(len(m.messageID) == 20)
self.assertEqual(self.protocol.sourceNode.getProto().guid, m.sender.guid)
self.assertEqual(self.protocol.sourceNode.getProto().signedPublicKey, m.sender.signedPublicKey)
self.assertTrue(m.command == message.PING)
self.assertEqual(self.proto_mock.send_datagram.call_args_list[0][0][1], self.addr1)
def test_callStore(self):
self._connecting_to_connected()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
self.protocol.callStore(n, digest("Keyword"), digest("Key"), self.protocol.sourceNode.getProto().SerializeToString())
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
self.assertTrue(len(m.messageID) == 20)
self.assertEqual(self.protocol.sourceNode.getProto().guid, m.sender.guid)
self.assertEqual(self.protocol.sourceNode.getProto().signedPublicKey, m.sender.signedPublicKey)
self.assertTrue(m.command == message.STORE)
self.assertEqual(self.proto_mock.send_datagram.call_args_list[0][0][1], self.addr1)
self.assertEqual(m.arguments[0], digest("Keyword"))
self.assertEqual(m.arguments[1], digest("Key"))
self.assertEqual(m.arguments[2], self.protocol.sourceNode.getProto().SerializeToString())
def test_callFindValue(self):
self._connecting_to_connected()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
keyword = Node(digest("Keyword"))
self.protocol.callFindValue(n, keyword)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
self.assertTrue(len(m.messageID) == 20)
self.assertEqual(self.protocol.sourceNode.getProto().guid, m.sender.guid)
self.assertEqual(self.protocol.sourceNode.getProto().signedPublicKey, m.sender.signedPublicKey)
self.assertTrue(m.command == message.FIND_VALUE)
self.assertEqual(self.proto_mock.send_datagram.call_args_list[0][0][1], self.addr1)
self.assertEqual(m.arguments[0], keyword.id)
def test_callFindNode(self):
self._connecting_to_connected()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
keyword = Node(digest("nodetofind"))
self.protocol.callFindNode(n, keyword)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
self.assertTrue(len(m.messageID) == 20)
self.assertEqual(self.protocol.sourceNode.getProto().guid, m.sender.guid)
self.assertEqual(self.protocol.sourceNode.getProto().signedPublicKey, m.sender.signedPublicKey)
self.assertTrue(m.command == message.FIND_NODE)
self.assertEqual(self.proto_mock.send_datagram.call_args_list[0][0][1], self.addr1)
self.assertEqual(m.arguments[0], keyword.id)
def test_callDelete(self):
self._connecting_to_connected()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
self.protocol.callDelete(n, digest("Keyword"), digest("Key"), digest("Signature"))
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
self.assertEqual(self.proto_mock.send_datagram.call_args_list[0][0][1], self.addr1)
self.assertTrue(len(m.messageID) == 20)
self.assertEqual(self.protocol.sourceNode.getProto().guid, m.sender.guid)
self.assertEqual(self.protocol.sourceNode.getProto().signedPublicKey, m.sender.signedPublicKey)
self.assertTrue(m.command == message.DELETE)
self.assertEqual(m.arguments[0], digest("Keyword"))
self.assertEqual(m.arguments[1], digest("Key"))
self.assertEqual(m.arguments[2], digest("Signature"))
def test_acceptResponse(self):
self._connecting_to_connected()
def handle_response(resp):
self.assertTrue(resp[0])
self.assertEqual(resp[1][0], self.protocol.sourceNode.id)
n = Node(digest("S"), self.addr1[0], self.addr1[1])
self.protocol[self.addr1] = self.con
d = self.protocol.callPing(n)
self.clock.advance(1)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
m = message.Message()
m.ParseFromString(sent_message)
timeout = reactor.callLater(5, self.protocol._timeout, m.messageID)
self.handler._outstanding[m.messageID] = (d, timeout)
m.arguments.append(self.protocol.sourceNode.id)
self.handler.receive_message(m.SerializeToString())
return d.addCallback(handle_response)
def test_unknownRPC(self):
self.assertFalse(self.handler._acceptRequest(digest("msgid"), "unknown", [digest("argument")], Node(digest("nodeid"))))
def test_timeout(self):
self._connecting_to_connected()
self.protocol[self.addr1] = self.con
def test_remove_outstanding():
self.assertTrue(len(self.protocol._outstanding) == 0)
def test_deffered(d):
self.assertFalse(d[0])
test_remove_outstanding()
n = Node(digest("S"), self.addr1[0], self.addr1[1])
d = self.protocol.callPing(n)
self.clock.advance(6)
return d.addCallback(test_deffered)
def test_transferKeyValues(self):
self._connecting_to_connected()
self.protocol[self.addr1] = self.con
self.protocol.storage[digest("keyword")] = (digest("key"), self.protocol.sourceNode.getProto().SerializeToString())
self.protocol.transferKeyValues(Node(digest("id"), self.addr1[0], self.addr1[1]))
self.clock.advance(1)
connection.REACTOR.runUntilCurrent()
sent_packet = packet.Packet.from_bytes(self.proto_mock.send_datagram.call_args_list[0][0][0])
sent_message = sent_packet.payload
x = message.Message()
x.ParseFromString(sent_message)
m = message.Message()
m.sender.MergeFrom(self.protocol.sourceNode.getProto())
m.command = message.Command.Value("STORE")
m.arguments.append(digest("keyword"))
m.arguments.append(digest("key"))
m.arguments.append(self.protocol.sourceNode.getProto().SerializeToString())
self.assertEqual(x.sender, m.sender)
self.assertEqual(x.command, m.command)
self.assertEqual(x.arguments[0], m.arguments[0])
self.assertEqual(x.arguments[1], m.arguments[1])
self.assertEqual(x.arguments[2], m.arguments[2])
def test_refreshIDs(self):
node1 = Node(digest("id1"), "127.0.0.1", 12345, signed_pubkey=digest("key1"))
node2 = Node(digest("id2"), "127.0.0.1", 22222, signed_pubkey=digest("key2"))
node3 = Node(digest("id3"), "127.0.0.1", 77777, signed_pubkey=digest("key3"))
self.protocol.router.addContact(node1)
self.protocol.router.addContact(node2)
self.protocol.router.addContact(node3)
for b in self.protocol.router.buckets:
b.lastUpdated = (time.time() - 5000)
ids = self.protocol.getRefreshIDs()
self.assertTrue(len(ids) == 1)
def _connecting_to_connected(self):
remote_synack_packet = packet.Packet.from_data(
42,
self.con.own_addr,
self.con.dest_addr,
ack=0,
syn=True
)
self.con.receive_packet(remote_synack_packet)
self.clock.advance(0)
connection.REACTOR.runUntilCurrent()
self.next_remote_seqnum = 43
m_calls = self.proto_mock.send_datagram.call_args_list
sent_syn_packet = packet.Packet.from_bytes(m_calls[0][0][0])
seqnum = sent_syn_packet.sequence_number
self.handler_mock.reset_mock()
self.proto_mock.reset_mock()
self.next_seqnum = seqnum + 1
class ValueSpiderCrawlTest(unittest.TestCase):
def setUp(self):
self.public_ip = '123.45.67.89'
self.port = 12345
self.own_addr = (self.public_ip, self.port)
self.addr1 = ('132.54.76.98', 54321)
self.addr2 = ('231.76.45.89', 15243)
self.addr3 = ("193.193.111.00", 99999)
self.clock = task.Clock()
connection.REACTOR.callLater = self.clock.callLater
self.proto_mock = mock.Mock(spec_set=rudp.ConnectionMultiplexer)
self.handler_mock = mock.Mock(spec_set=connection.Handler)
self.con = connection.Connection(
self.proto_mock,
self.handler_mock,
self.own_addr,
self.addr1
)
valid_key = "1a5c8e67edb8d279d1ae32fa2da97e236b95e95c837dc8c3c7c2ff7a7cc29855"
self.signing_key = nacl.signing.SigningKey(valid_key, encoder=nacl.encoding.HexEncoder)
verify_key = self.signing_key.verify_key
signed_pubkey = self.signing_key.sign(str(verify_key))
h = nacl.hash.sha512(signed_pubkey)
self.storage = ForgetfulStorage()
self.node = Node(unhexlify(h[:40]), self.public_ip, self.port, signed_pubkey, True)
self.protocol = KademliaProtocol(self.node, self.storage, 20)
transport = mock.Mock(spec_set=udp.Port)
ret_val = address.IPv4Address('UDP', self.public_ip, self.port)
transport.attach_mock(mock.Mock(return_value=ret_val), 'getHost')
self.protocol.makeConnection(transport)
self.node1 = Node(digest("id1"), self.addr1[0], self.addr1[1], digest("key1"), True)
self.node2 = Node(digest("id2"), self.addr2[0], self.addr2[1], digest("key2"), True)
self.node3 = Node(digest("id3"), self.addr3[0], self.addr3[1], digest("key3"), True)
def tearDown(self):
self.con.shutdown()
self.protocol.shutdown()
def test_find(self):
self._connecting_to_connected()
self.protocol[self.addr1] = self.con
self.protocol[self.addr2] = self.con
self.protocol[self.addr3] = self.con
self.protocol.router.addContact(self.node1)
self.protocol.router.addContact(self.node2)
self.protocol.router.addContact(self.node3)
node = Node(digest("s"))
nearest = self.protocol.router.findNeighbors(node)
spider = ValueSpiderCrawl(self.protocol, node, nearest, 20, 3)
spider.find()
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
self.assertEqual(len(self.proto_mock.send_datagram.call_args_list), 4)
def test_nodesFound(self):
self._connecting_to_connected()
self.protocol[self.addr1] = self.con
self.protocol[self.addr2] = self.con
self.protocol[self.addr3] = self.con
self.protocol.router.addContact(self.node1)
self.protocol.router.addContact(self.node2)
self.protocol.router.addContact(self.node3)
# test resonse with uncontacted nodes
node = Node(digest("s"))
nearest = self.protocol.router.findNeighbors(node)
spider = ValueSpiderCrawl(self.protocol, node, nearest, 20, 3)
response = (True, (self.node1.getProto().SerializeToString(), self.node2.getProto().SerializeToString(),
self.node3.getProto().SerializeToString()))
responses = {self.node1.id: response}
spider._nodesFound(responses)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
self.assertEqual(len(self.proto_mock.send_datagram.call_args_list), 4)
# test all been contacted
spider = ValueSpiderCrawl(self.protocol, node, nearest, 20, 3)
for peer in spider.nearest.getUncontacted():
spider.nearest.markContacted(peer)
response = (True, (self.node1.getProto().SerializeToString(), self.node2.getProto().SerializeToString(),
self.node3.getProto().SerializeToString()))
responses = {self.node2.id: response}
resp = spider._nodesFound(responses)
self.assertTrue(resp is None)
# test didn't happen
spider = ValueSpiderCrawl(self.protocol, node, nearest, 20, 3)
response = (False, (self.node1.getProto().SerializeToString(), self.node2.getProto().SerializeToString(),
self.node3.getProto().SerializeToString()))
responses = {self.node1.id: response}
spider._nodesFound(responses)
self.assertTrue(len(spider.nearest) == 2)
# test got value
val = Value()
val.valueKey = digest("contractID")
val.serializedData = self.protocol.sourceNode.getProto().SerializeToString()
response = (True, ("value", val.SerializeToString()))
responses = {self.node3.id: response}
spider.nearestWithoutValue = NodeHeap(node, 1)
value = spider._nodesFound(responses)
self.assertEqual(value[0], val.SerializeToString())
def test_handleFoundValues(self):
self._connecting_to_connected()
self.protocol[self.addr1] = self.con
self.protocol.router.addContact(self.node1)
self.protocol.router.addContact(self.node2)
self.protocol.router.addContact(self.node3)
node = Node(digest("s"))
nearest = self.protocol.router.findNeighbors(node)
spider = ValueSpiderCrawl(self.protocol, node, nearest, 20, 3)
val = Value()
val.valueKey = digest("contractID")
val.serializedData = self.node1.getProto().SerializeToString()
val1 = val.SerializeToString()
value = spider._handleFoundValues([(val1,)])
self.assertEqual(value[0], val.SerializeToString())
# test handle multiple values
val.serializedData = self.node2.getProto().SerializeToString()
val2 = val.SerializeToString()
found_values = [(val1,), (val1,), (val2,)]
self.assertEqual(spider._handleFoundValues(found_values), (val1,))
# test store value at nearest without value
spider.nearestWithoutValue.push(self.node1)
spider._handleFoundValues(found_values)
self.clock.advance(100 * constants.PACKET_TIMEOUT)
connection.REACTOR.runUntilCurrent()
self.assertTrue(len(self.proto_mock.send_datagram.call_args_list) > 1)
self.proto_mock.send_datagram.call_args_list = []
def _connecting_to_connected(self):
remote_synack_packet = packet.Packet.from_data(
42,
self.con.own_addr,
self.con.dest_addr,
ack=0,
syn=True
)
self.con.receive_packet(remote_synack_packet)
self.clock.advance(0)
connection.REACTOR.runUntilCurrent()
self.next_remote_seqnum = 43
m_calls = self.proto_mock.send_datagram.call_args_list
sent_syn_packet = packet.Packet.from_bytes(m_calls[0][0][0])
seqnum = sent_syn_packet.sequence_number
self.handler_mock.reset_mock()
self.proto_mock.reset_mock()
self.next_seqnum = seqnum + 1