import unittest
import ns3
class TestSimulator(unittest.TestCase):
def testScheduleNow(self):
def callback(args):
self._args_received = args
self._cb_time = ns3.Simulator.Now()
ns3.Simulator.Destroy()
self._args_received = None
self._cb_time = None
ns3.Simulator.ScheduleNow(callback, "args")
ns3.Simulator.Run()
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 0.0)
def testSchedule(self):
def callback(args):
self._args_received = args
self._cb_time = ns3.Simulator.Now()
ns3.Simulator.Destroy()
self._args_received = None
self._cb_time = None
ns3.Simulator.Schedule(ns3.Seconds(123), callback, "args")
ns3.Simulator.Run()
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
def testScheduleDestroy(self):
def callback(args):
self._args_received = args
self._cb_time = ns3.Simulator.Now()
ns3.Simulator.Destroy()
self._args_received = None
self._cb_time = None
def null(): pass
ns3.Simulator.Schedule(ns3.Seconds(123), null)
ns3.Simulator.ScheduleDestroy(callback, "args")
ns3.Simulator.Run()
ns3.Simulator.Destroy()
self.assertEqual(self._args_received, "args")
self.assertEqual(self._cb_time.GetSeconds(), 123.0)
def testTimeComparison(self):
self.assert_(ns3.Seconds(123) == ns3.Seconds(123))
self.assert_(ns3.Seconds(123) >= ns3.Seconds(123))
self.assert_(ns3.Seconds(123) <= ns3.Seconds(123))
self.assert_(ns3.Seconds(124) > ns3.Seconds(123))
self.assert_(ns3.Seconds(123) < ns3.Seconds(124))
def testTimeNumericOperations(self):
self.assertEqual(ns3.Seconds(10) + ns3.Seconds(5), ns3.Seconds(15))
self.assertEqual(ns3.Seconds(10) - ns3.Seconds(5), ns3.Seconds(5))
v1 = ns3.Scalar(5)*ns3.Seconds(10)
self.assertEqual(v1, ns3.Seconds(50))
def testConfig(self):
ns3.Config.SetDefault("ns3::OnOffApplication::PacketSize", ns3.UintegerValue(123))
# hm.. no Config.Get?
def testSocket(self):
node = ns3.Node()
ns3.AddInternetStack(node)
self._received_packet = None
def rx_callback(socket):
assert self._received_packet is None
self._received_packet = socket.Recv()
sink = ns3.Socket.CreateSocket(node, ns3.TypeId.LookupByName("ns3::UdpSocketFactory"))
sink.Bind(ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), 80))
sink.SetRecvCallback(rx_callback)
source = ns3.Socket.CreateSocket(node, ns3.TypeId.LookupByName("ns3::UdpSocketFactory"))
source.SendTo(ns3.Packet(19), 0, ns3.InetSocketAddress(ns3.Ipv4Address("127.0.0.1"), 80))
ns3.Simulator.Run()
self.assert_(self._received_packet is not None)
self.assertEqual(self._received_packet.GetSize(), 19)
def testAttributes(self):
##
## Yes, I know, the GetAttribute interface for Python is
## horrible, we should fix this soon, I hope.
##
queue = ns3.DropTailQueue()
queue.SetAttribute("MaxPackets", ns3.UintegerValue(123456))
limit = ns3.UintegerValue()
queue.GetAttribute("MaxPackets", limit)
self.assertEqual(limit.Get(), 123456)
## -- object pointer values
mobility = ns3.RandomWaypointMobilityModel()
ptr = ns3.PointerValue()
mobility.GetAttribute("Position", ptr)
self.assertEqual(ptr.GetObject(), None)
pos = ns3.ListPositionAllocator()
mobility.SetAttribute("Position", ns3.PointerValue(pos))
ptr = ns3.PointerValue()
mobility.GetAttribute("Position", ptr)
self.assert_(ptr.GetObject() is not None)
def testIdentity(self):
csma = ns3.CsmaNetDevice()
channel = ns3.CsmaChannel()
csma.Attach(channel)
c1 = csma.GetChannel()
c2 = csma.GetChannel()
self.assert_(c1 is c2)
def testTypeId(self):
typeId1 = ns3.TypeId.LookupByNameFailSafe("ns3::UdpSocketFactory")
self.assertEqual(typeId1.GetName (), "ns3::UdpSocketFactory")
self.assertRaises(KeyError, ns3.TypeId.LookupByNameFailSafe, "__InvalidTypeName__")
def testCommandLine(self):
cmd = ns3.CommandLine()
cmd.AddValue("Test1", "this is a test option")
cmd.AddValue("Test2", "this is a test option")
cmd.AddValue("Test3", "this is a test option", variable="test_xxx")
cmd.Test1 = None
cmd.Test2 = None
cmd.test_xxx = None
class Foo:
pass
foo = Foo()
foo.test_foo = None
cmd.AddValue("Test4", "this is a test option", variable="test_foo", namespace=foo)
cmd.Parse(["python", "--Test1=value1", "--Test2=value2", "--Test3=123", "--Test4=xpto"])
self.assertEqual(cmd.Test1, "value1")
self.assertEqual(cmd.Test2, "value2")
self.assertEqual(cmd.test_xxx, "123")
self.assertEqual(foo.test_foo, "xpto")
if __name__ == '__main__':
unittest.main()