bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/FSMTest.java

   1 /*
   2  * Copyright (c) 2013 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 package org.opendaylight.protocol.bgp.rib.impl;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.junit.Assert.fail;
  13 import static org.mockito.Matchers.any;
  14 import static org.mockito.Mockito.doAnswer;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import io.netty.channel.Channel;
  18 import io.netty.channel.ChannelFuture;
  19 import io.netty.channel.ChannelHandler;
  20 import io.netty.channel.ChannelPipeline;
  21 import io.netty.util.HashedWheelTimer;
  22 import io.netty.util.concurrent.DefaultPromise;
  23 import io.netty.util.concurrent.GlobalEventExecutor;
  24
  25 import java.util.List;
  26
  27 import org.junit.After;
  28 import org.junit.Before;
  29 import org.junit.Ignore;
  30 import org.junit.Test;
  31 import org.mockito.Mock;
  32 import org.mockito.MockitoAnnotations;
  33 import org.mockito.invocation.InvocationOnMock;
  34 import org.mockito.stubbing.Answer;
  35 import org.opendaylight.protocol.bgp.concepts.BGPTableType;
  36 import org.opendaylight.protocol.bgp.parser.BGPError;
  37 import org.opendaylight.protocol.bgp.parser.BGPParameter;
  38 import org.opendaylight.protocol.bgp.parser.message.BGPNotificationMessage;
  39 import org.opendaylight.protocol.bgp.parser.message.BGPOpenMessage;
  40 import org.opendaylight.protocol.bgp.parser.parameter.MultiprotocolCapability;
  41 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev130918.LinkstateAddressFamily;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev130918.LinkstateSubsequentAddressFamily;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Keepalive;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.KeepaliveBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  49 import org.opendaylight.yangtools.yang.binding.Notification;
  50
  51 import com.google.common.collect.Lists;
  52
  53 public class FSMTest {
  54
  55         private BGPSessionNegotiator clientSession;
  56
  57         @Mock
  58         private Channel speakerListener;
  59
  60         @Mock
  61         private ChannelPipeline pipeline;
  62
  63         private final BGPTableType ipv4tt = new BGPTableType(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  64
  65         private final BGPTableType linkstatett = new BGPTableType(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
  66
  67         private final List<Notification> receivedMsgs = Lists.newArrayList();
  68
  69         private BGPOpenMessage classicOpen;
  70
  71         @Before
  72         public void setUp() {
  73                 MockitoAnnotations.initMocks(this);
  74                 final List<BGPParameter> tlvs = Lists.newArrayList();
  75                 tlvs.add(new MultiprotocolCapability(this.ipv4tt));
  76                 tlvs.add(new MultiprotocolCapability(this.linkstatett));
  77                 final BGPSessionPreferences prefs = new BGPSessionPreferences(new AsNumber((long) 30), (short) 3, null, tlvs);
  78                 this.clientSession = new BGPSessionNegotiator(new HashedWheelTimer(), new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE), this.speakerListener, prefs, new SimpleSessionListener());
  79                 doAnswer(new Answer<Object>() {
  80                         @Override
  81                         public Object answer(final InvocationOnMock invocation) {
  82                                 final Object[] args = invocation.getArguments();
  83                                 FSMTest.this.receivedMsgs.add((Notification) args[0]);
  84                                 return null;
  85                         }
  86                 }).when(this.speakerListener).writeAndFlush(any(Notification.class));
  87                 doReturn("TestingChannel").when(this.speakerListener).toString();
  88                 doReturn(this.pipeline).when(this.speakerListener).pipeline();
  89                 doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class), any(String.class), any(ChannelHandler.class));
  90                 doReturn(mock(ChannelFuture.class)).when(this.speakerListener).close();
  91                 this.classicOpen = new BGPOpenMessage(new AsNumber((long) 30), (short) 3, null, tlvs);
  92         }
  93
  94         @Test
  95         public void testAccSessionChar() throws InterruptedException {
  96                 this.clientSession.channelActive(null);
  97                 assertEquals(1, this.receivedMsgs.size());
  98                 assertTrue(this.receivedMsgs.get(0) instanceof BGPOpenMessage);
  99                 this.clientSession.handleMessage(this.classicOpen);
 100                 assertEquals(2, this.receivedMsgs.size());
 101                 assertTrue(this.receivedMsgs.get(1) instanceof Keepalive);
 102                 this.clientSession.handleMessage(new KeepaliveBuilder().build());
 103                 assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 104                 // Thread.sleep(3 * 1000);
 105                 // Thread.sleep(100);
 106                 // assertEquals(3, this.receivedMsgs.size());
 107                 // assertTrue(this.receivedMsgs.get(2) instanceof BGPKeepAliveMessage); // test of keepalive timer
 108                 // this.clientSession.handleMessage(new BGPOpenMessage(new ASNumber(30), (short) 3, null, null));
 109                 // assertEquals(4, this.receivedMsgs.size());
 110                 // assertTrue(this.receivedMsgs.get(3) instanceof BGPNotificationMessage);
 111                 // final BGPMessage m = this.clientListener.getListMsg().get(3);
 112                 // assertEquals(BGPError.FSM_ERROR, ((BGPNotificationMessage) m).getError());
 113         }
 114
 115         @Test
 116         public void testNotAccChars() throws InterruptedException {
 117                 this.clientSession.channelActive(null);
 118                 assertEquals(1, this.receivedMsgs.size());
 119                 assertTrue(this.receivedMsgs.get(0) instanceof BGPOpenMessage);
 120                 this.clientSession.handleMessage(new BGPOpenMessage(new AsNumber((long) 30), (short) 1, null, null));
 121                 assertEquals(2, this.receivedMsgs.size());
 122                 assertTrue(this.receivedMsgs.get(1) instanceof BGPNotificationMessage);
 123                 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 124                 assertEquals(BGPError.UNSPECIFIC_OPEN_ERROR, ((BGPNotificationMessage) m).getError());
 125         }
 126
 127         @Test
 128         @Ignore
 129         // long duration
 130         public void testNoOpen() throws InterruptedException {
 131                 this.clientSession.channelActive(null);
 132                 assertEquals(1, this.receivedMsgs.size());
 133                 assertTrue(this.receivedMsgs.get(0) instanceof BGPOpenMessage);
 134                 Thread.sleep(BGPSessionNegotiator.INITIAL_HOLDTIMER * 1000 * 60);
 135                 Thread.sleep(100);
 136                 final Notification m = this.receivedMsgs.get(this.receivedMsgs.size() - 1);
 137                 assertEquals(BGPError.HOLD_TIMER_EXPIRED, ((BGPNotificationMessage) m).getError());
 138         }
 139
 140         @Test
 141         public void sendNotification() {
 142                 this.clientSession.channelActive(null);
 143                 this.clientSession.handleMessage(this.classicOpen);
 144                 this.clientSession.handleMessage(new KeepaliveBuilder().build());
 145                 assertEquals(this.clientSession.getState(), BGPSessionNegotiator.State.Finished);
 146                 try {
 147                         this.clientSession.handleMessage(new BGPOpenMessage(new AsNumber((long) 30), (short) 3, null, null));
 148                         fail("Exception should be thrown.");
 149                 } catch (final IllegalStateException e) {
 150                         assertEquals("Unexpected state Finished", e.getMessage());
 151                 }
 152         }
 153
 154         @After
 155         public void tearDown() {
 156
 157         }
 158 }