renderers/ofoverlay/src/test/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/arp/ArpSenderTest.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.arp;
  10
  11 import java.util.concurrent.Future;
  12
  13 import org.junit.Assert;
  14 import org.junit.Assume;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.mockito.ArgumentCaptor;
  18 import org.mockito.Matchers;
  19 import org.mockito.Mockito;
  20 import org.opendaylight.controller.liblldp.Ethernet;
  21 import org.opendaylight.controller.liblldp.Packet;
  22 import org.opendaylight.controller.liblldp.PacketException;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.opendaylight.yangtools.yang.common.RpcResult;
  33
  34 import com.google.common.util.concurrent.Futures;
  35
  36 public class ArpSenderTest {
  37
  38     private PacketProcessingService packetService;
  39
  40     @Before
  41     public void init() {
  42         packetService = Mockito.mock(PacketProcessingService.class);
  43         Future<RpcResult<Void>> future = Futures.immediateCheckedFuture(null);
  44         Mockito.when(packetService.transmitPacket(Matchers.any(TransmitPacketInput.class))).thenReturn(future);
  45     }
  46
  47     @Test
  48     public void floodArpTest() throws PacketException {
  49         ArpSender arpSender = new ArpSender(packetService);
  50         MacAddress senderMac = new MacAddress("00:00:00:00:00:01");
  51         Ipv4Address senderAddress = new Ipv4Address("192.168.0.1");
  52         Ipv4Address targetAddress = new Ipv4Address("192.168.0.2");
  53         InstanceIdentifier<Node> nodeIid =
  54                 InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(new NodeId("node1"))).build();
  55         ArpMessageAddress arpAddress = new ArpMessageAddress(senderMac, senderAddress);
  56
  57         arpSender.floodArp(arpAddress, targetAddress, nodeIid);
  58         ArgumentCaptor<TransmitPacketInput> argument = ArgumentCaptor.forClass(TransmitPacketInput.class);
  59         Mockito.verify(packetService).transmitPacket(argument.capture());
  60
  61         Assert.assertEquals(nodeIid, argument.getValue().getNode().getValue());
  62         Packet ethernet = new Ethernet().deserialize(argument.getValue().getPayload(), 0,
  63                 argument.getValue().getPayload().length);
  64         Packet potentialArp = ethernet.getPayload();
  65
  66         // TODO find better solution (Jenkins is producing ethernet.getPayload() -> null randomly)
  67         Assume.assumeNotNull(potentialArp);
  68         Assert.assertTrue(potentialArp instanceof Arp);
  69         Arp arp = (Arp) potentialArp;
  70         Assert.assertArrayEquals(ArpUtils.ipToBytes(senderAddress), arp.getSenderProtocolAddress());
  71         Assert.assertArrayEquals(ArpUtils.ipToBytes(targetAddress), arp.getTargetProtocolAddress());
  72         Assert.assertArrayEquals(ArpUtils.macToBytes(senderMac), arp.getSenderHardwareAddress());
  73     }
  74 }