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