pcep/impl/src/test/java/org/opendaylight/protocol/pcep/impl/PCEPSessionImplTest.java

   1 /*
   2  * Copyright (c) 2014 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.protocol.pcep.impl;
  10
  11 import org.junit.After;
  12 import org.junit.Assert;
  13 import org.junit.Before;
  14 import org.junit.Test;
  15 import org.mockito.Matchers;
  16 import org.mockito.Mockito;
  17 import org.opendaylight.protocol.pcep.PCEPSession;
  18 import org.opendaylight.protocol.pcep.TerminationReason;
  19 import org.opendaylight.protocol.pcep.impl.spi.Util;
  20 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.stats.rev141006.pcep.session.state.LocalPref;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.stats.rev141006.pcep.session.state.Messages;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.stats.rev141006.pcep.session.state.PeerPref;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.stats.rev141006.pcep.session.state.messages.ErrorMessages;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcerr;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcreq;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcreqBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.CloseMessage;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
  30
  31 public class PCEPSessionImplTest extends AbstractPCEPSessionTest {
  32
  33     private PCEPSessionImpl session;
  34
  35     @Before
  36     public void setup() {
  37         this.session = new PCEPSessionImpl(this.listener, 0, this.channel, this.openMsg.getOpenMessage().getOpen(), this.openMsg.getOpenMessage().getOpen());
  38         this.session.sessionUp();
  39     }
  40
  41     @After
  42     public void tearDown() {
  43         this.session.close();
  44     }
  45
  46     @Test
  47     public void testPcepSessionImpl() throws InterruptedException {
  48         Assert.assertTrue(this.listener.up);
  49
  50         this.session.handleMessage(this.kaMsg);
  51         Assert.assertEquals(1, this.session.getMessages().getReceivedMsgCount().intValue());
  52
  53         this.session.handleMessage(new PcreqBuilder().build());
  54         Assert.assertEquals(2, this.session.getMessages().getReceivedMsgCount().intValue());
  55         Assert.assertEquals(1, this.listener.messages.size());
  56         Assert.assertTrue(this.listener.messages.get(0) instanceof Pcreq);
  57         Assert.assertEquals(2, this.session.getMessages().getReceivedMsgCount().intValue());
  58
  59         this.session.handleMessage(this.closeMsg);
  60         Assert.assertEquals(3, this.session.getMessages().getReceivedMsgCount().intValue());
  61         Assert.assertEquals(1, this.listener.messages.size());
  62         Assert.assertTrue(this.channel.isActive());
  63         Mockito.verify(this.channel, Mockito.times(1)).close();
  64
  65         this.session.resetStats();
  66         Assert.assertEquals(0, this.session.getMessages().getReceivedMsgCount().longValue());
  67     }
  68
  69     @Test
  70     public void testAttemptSecondSession() {
  71         this.session.handleMessage(this.openMsg);
  72         Assert.assertEquals(1, this.session.getMessages().getReceivedMsgCount().intValue());
  73         Assert.assertEquals(1, this.msgsSend.size());
  74         Assert.assertTrue(this.msgsSend.get(0) instanceof Pcerr);
  75         final Pcerr pcErr = (Pcerr) this.msgsSend.get(0);
  76         final ErrorObject errorObj = pcErr.getPcerrMessage().getErrors().get(0).getErrorObject();
  77         Assert.assertEquals(PCEPErrors.ATTEMPT_2ND_SESSION, PCEPErrors.forValue(errorObj.getType(), errorObj.getValue()));
  78     }
  79
  80     @Test
  81     public void testClosedByNode() {
  82         this.session.handleMessage(this.closeMsg);
  83         Mockito.verify(this.channel).close();
  84     }
  85
  86     @Test
  87     public void testCapabilityNotSupported() {
  88         this.session.handleMalformedMessage(PCEPErrors.CAPABILITY_NOT_SUPPORTED);
  89         Assert.assertEquals(2, this.msgsSend.size());
  90         Assert.assertTrue(this.msgsSend.get(0) instanceof Pcerr);
  91         final Pcerr pcErr = (Pcerr) this.msgsSend.get(0);
  92         final ErrorObject errorObj = pcErr.getPcerrMessage().getErrors().get(0).getErrorObject();
  93         Assert.assertEquals(PCEPErrors.CAPABILITY_NOT_SUPPORTED, PCEPErrors.forValue(errorObj.getType(), errorObj.getValue()));
  94         Assert.assertEquals(1, this.session.getMessages().getUnknownMsgReceived().intValue());
  95         // exceeded max. unknown messages count - terminate session
  96         Assert.assertTrue(this.msgsSend.get(1) instanceof CloseMessage);
  97         final CloseMessage closeMsg = (CloseMessage) this.msgsSend.get(1);
  98         Assert.assertEquals(TerminationReason.TOO_MANY_UNKNOWN_MSGS, TerminationReason.forValue(closeMsg.getCCloseMessage().getCClose().getReason()));
  99         Mockito.verify(this.channel, Mockito.times(1)).close();
 100     }
 101
 102     @Test
 103     public void testEndoOfInput() {
 104         Assert.assertTrue(this.listener.up);
 105         this.session.endOfInput();
 106         Assert.assertFalse(this.listener.up);
 107     }
 108
 109     @Test
 110     public void testCloseSessionWithReason() {
 111         this.session.close(TerminationReason.UNKNOWN);
 112         Assert.assertEquals(1, this.msgsSend.size());
 113         Assert.assertTrue(this.msgsSend.get(0) instanceof CloseMessage);
 114         final CloseMessage closeMsg = (CloseMessage) this.msgsSend.get(0);
 115         Assert.assertEquals(TerminationReason.UNKNOWN, TerminationReason.forValue(closeMsg.getCCloseMessage().getCClose().getReason()));
 116         Mockito.verify(this.channel, Mockito.times(1)).close();
 117     }
 118
 119     @Test
 120     public void testSessionStatistics() {
 121         this.session.handleMessage(Util.createErrorMessage(PCEPErrors.LSP_RSVP_ERROR, null));
 122         Assert.assertEquals(this.ipAddress, this.session.getPeerPref().getIpAddress());
 123         final PeerPref peerPref = this.session.getPeerPref();
 124         Assert.assertEquals(this.ipAddress, peerPref.getIpAddress());
 125         Assert.assertEquals(DEADTIMER, peerPref.getDeadtimer().shortValue());
 126         Assert.assertEquals(KEEP_ALIVE, peerPref.getKeepalive().shortValue());
 127         Assert.assertEquals(0, peerPref.getSessionId().intValue());
 128         final LocalPref localPref = this.session.getLocalPref();
 129         Assert.assertEquals(this.ipAddress, localPref.getIpAddress());
 130         Assert.assertEquals(DEADTIMER, localPref.getDeadtimer().shortValue());
 131         Assert.assertEquals(KEEP_ALIVE, localPref.getKeepalive().shortValue());
 132         Assert.assertEquals(0, localPref.getSessionId().intValue());
 133         final Messages msgs = this.session.getMessages();
 134         Assert.assertEquals(1, msgs.getReceivedMsgCount().longValue());
 135         Assert.assertEquals(0, msgs.getSentMsgCount().longValue());
 136         Assert.assertEquals(0, msgs.getUnknownMsgReceived().longValue());
 137         final ErrorMessages errMsgs = msgs.getErrorMessages();
 138         Assert.assertEquals(1, errMsgs.getReceivedErrorMsgCount().intValue());
 139         Assert.assertEquals(0, errMsgs.getSentErrorMsgCount().intValue());
 140         Assert.assertEquals(PCEPErrors.LSP_RSVP_ERROR.getErrorType(), errMsgs.getLastReceivedError().getErrorType().shortValue());
 141         Assert.assertEquals(PCEPErrors.LSP_RSVP_ERROR.getErrorValue(), errMsgs.getLastReceivedError().getErrorValue().shortValue());
 142
 143         this.session.sendMessage(Util.createErrorMessage(PCEPErrors.UNKNOWN_PLSP_ID, null));
 144         final Messages msgs2 = this.session.getMessages();
 145         Assert.assertEquals(1, msgs2.getReceivedMsgCount().longValue());
 146         Assert.assertEquals(1, msgs2.getSentMsgCount().longValue());
 147         Assert.assertEquals(0, msgs2.getUnknownMsgReceived().longValue());
 148         final ErrorMessages errMsgs2 = msgs2.getErrorMessages();
 149         Assert.assertEquals(1, errMsgs2.getReceivedErrorMsgCount().intValue());
 150         Assert.assertEquals(1, errMsgs2.getSentErrorMsgCount().intValue());
 151         Assert.assertEquals(PCEPErrors.UNKNOWN_PLSP_ID.getErrorType(), errMsgs2.getLastSentError().getErrorType().shortValue());
 152         Assert.assertEquals(PCEPErrors.UNKNOWN_PLSP_ID.getErrorValue(), errMsgs2.getLastSentError().getErrorValue().shortValue());
 153     }
 154
 155     @Test
 156     public void testExceptionCaught() throws Exception {
 157         Assert.assertFalse(this.session.isClosed());
 158         Assert.assertTrue(this.listener.up);
 159         this.session.exceptionCaught(null, new Throwable("PCEP exception."));
 160         Assert.assertFalse(this.listener.up);
 161         Assert.assertTrue(this.session.isClosed());
 162     }
 163
 164     @Test
 165     public void testSessionRecoveryOnException() throws Exception {
 166         this.listener = new SimpleExceptionSessionListener();
 167         this.session = Mockito.spy(new PCEPSessionImpl(this.listener, 0, this.channel,
 168                 this.openMsg.getOpenMessage().getOpen(), this.openMsg.getOpenMessage().getOpen()));
 169         Mockito.verify(this.session, Mockito.never()).handleException(Matchers.any());
 170         Mockito.verify(this.session, Mockito.never()).sendMessage(Matchers.any());
 171         Mockito.verify(this.session, Mockito.never()).closeChannel();
 172         try {
 173             this.session.sessionUp();
 174             Assert.fail();  // expect the exception to be populated
 175         } catch (final RuntimeException ignored) {}
 176         Assert.assertFalse(this.listener.up);
 177         Mockito.verify(this.session).handleException(Matchers.any());
 178         Mockito.verify(this.session).sendMessage(Matchers.any(CloseMessage.class));
 179         Mockito.verify(this.session).closeChannel();
 180     }
 181
 182     private static class SimpleExceptionSessionListener extends SimpleSessionListener {
 183         @Override
 184         public synchronized void onSessionUp(final PCEPSession session) {
 185             super.onSessionUp(session);
 186             throw new RuntimeException("Mocked runtime exception.");
 187         }
 188     }
 189 }