def test_create_ack(self):
# Test creating an acknowledgement packet for a packet
pak = Packet()
# Fake nodeid for acknowledgement
nodeID = "testNodeId"
newAck = pak.create_ack(nodeID)
self.assertIsNotNone(newAck)
self.assertTrue(newAck.IsAcknowledgement)
# Should have the same SequenceNumber
self.assertEqual(newAck.SequenceNumber, pak.SequenceNumber)
self.assertEqual(newAck.SenderID, nodeID)
def test_create_ack(self):
# Test creating an acknowledgement packet for a packet
pak = Packet()
# Fake nodeid for acknowledgement
nodeID = "testNodeId"
newAck = pak.create_ack(nodeID)
self.assertIsNotNone(newAck)
self.assertTrue(newAck.IsAcknowledgement)
# Should have the same SequenceNumber
self.assertEquals(newAck.SequenceNumber, pak.SequenceNumber)
self.assertEquals(newAck.SenderID, nodeID)
def test_gossip_ack_good(self):
# Test sending acknowledgements
core = self._setup(8808)
pak = Packet()
newNode = self._create_node(8809)
core.add_node(newNode)
newNode.is_peer = True
core._send_ack(pak, newNode)
# Add pak to PendingAckMap
msg = self._create_msg()
pak.add_message(msg, newNode, newNode, 0)
core.PendingAckMap[pak.SequenceNumber] = pak
ack = pak.create_ack(newNode.Identifier)
core._handle_ack(ack)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 1)
def test_gossip_datagram_recieved_ack(self):
# Test that datagramReceived handles acknowledgements correctly
core = self._setup(9004)
peer = self._create_node(9005)
peer2 = self._create_node(9006)
core.add_node(peer)
core.add_node(peer2)
msg = self._create_msg()
pak = Packet()
pak.add_message(msg, peer, peer2, 0)
newPak = pak.create_ack(peer2.Identifier)
data = newPak.pack()
core.PendingAckMap[0] = pak
# send ack
core.datagramReceived(data, "localhost:9001")
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 1)
def test_gossip_ack_good(self):
# Test sending acknowledgements
core = self._setup(8808)
pak = Packet()
newNode = self._create_node(8809)
core.add_node(newNode)
newNode.is_peer = True
core._send_ack(pak, newNode)
# Add pak to PendingAckMap
msg = self._create_msg()
pak.add_message(msg, newNode, newNode, 0)
core.PendingAckMap[pak.SequenceNumber] = pak
ack = pak.create_ack(newNode.Identifier)
core._handle_ack(ack)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 1)
def test_gossip_datagram_recieved_ack(self):
# Test that datagramReceived handles acknowledgements correctly
core = self._setup(9004)
peer = self._create_node(9005)
peer2 = self._create_node(9006)
core.add_node(peer)
core.add_node(peer2)
msg = self._create_msg()
pak = Packet()
pak.add_message(msg, peer, peer2, 0)
newPak = pak.create_ack(peer2.Identifier)
data = newPak.pack()
core.PendingAckMap[0] = pak
# send ack
core.datagramReceived(data, "localhost:9001")
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 1)
def test_gossip_ack_unknown_packet(self):
# Test behavior of sending a packet incorrectly
core = self._setup(8810)
pak = Packet()
newNode = self._create_node(8811)
core.add_node(newNode)
# Ignore acks from unexpected packets not in PendingAckMap
core._handle_ack(pak)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 0)
badNode = self._create_node(8812)
core.add_node(badNode)
# Test behavior of receiving an ack with bad Identifier
# Will print out two warnings
msg = self._create_msg()
pak.add_message(msg, newNode, newNode, 0)
core.PendingAckMap[pak.SequenceNumber] = pak
ack = pak.create_ack(newNode.Identifier)
pak.DestinationID = badNode.Identifier
core._handle_ack(pak)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 0)
def test_gossip_ack_unknown_packet(self):
# Test behavior of sending a packet incorrectly
core = self._setup(8810)
pak = Packet()
newNode = self._create_node(8811)
core.add_node(newNode)
# Ignore acks from unexpected packets not in PendingAckMap
core._handle_ack(pak)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 0)
badNode = self._create_node(8812)
core.add_node(badNode)
# Test behavior of receiving an ack with bad Identifier
# Will print out two warnings
msg = self._create_msg()
pak.add_message(msg, newNode, newNode, 0)
core.PendingAckMap[pak.SequenceNumber] = pak
ack = pak.create_ack(newNode.Identifier)
pak.DestinationID = badNode.Identifier
core._handle_ack(pak)
stats = core.PacketStats.get_stats(["AcksReceived"])
self.assertEqual(stats["AcksReceived"], 0)
