opendaylight/topologymanager/implementation/src/test/java/org/opendaylight/controller/topologymanager/internal/TopologyManagerImplTest.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
   9 package org.opendaylight.controller.topologymanager.internal;
  10
  11 import java.net.InetAddress;
  12 import java.net.UnknownHostException;
  13 import java.util.ArrayList;
  14 import java.util.HashMap;
  15 import java.util.HashSet;
  16 import java.util.Iterator;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Set;
  20 import java.util.concurrent.ConcurrentMap;
  21
  22 import org.junit.Assert;
  23 import org.junit.Test;
  24 import org.opendaylight.controller.sal.core.Bandwidth;
  25 import org.opendaylight.controller.sal.core.ConstructionException;
  26 import org.opendaylight.controller.sal.core.Edge;
  27 import org.opendaylight.controller.sal.core.Host;
  28 import org.opendaylight.controller.sal.core.Latency;
  29 import org.opendaylight.controller.sal.core.Node;
  30 import org.opendaylight.controller.sal.core.Node.NodeIDType;
  31 import org.opendaylight.controller.sal.core.NodeConnector;
  32 import org.opendaylight.controller.sal.core.NodeConnector.NodeConnectorIDType;
  33 import org.opendaylight.controller.sal.core.Property;
  34 import org.opendaylight.controller.sal.core.State;
  35 import org.opendaylight.controller.sal.core.UpdateType;
  36 import org.opendaylight.controller.sal.packet.address.EthernetAddress;
  37 import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
  38 import org.opendaylight.controller.sal.utils.Status;
  39 import org.opendaylight.controller.sal.utils.StatusCode;
  40 import org.opendaylight.controller.sal.utils.NodeConnectorCreator;
  41 import org.opendaylight.controller.sal.utils.NodeCreator;
  42 import org.opendaylight.controller.switchmanager.ISwitchManager;
  43 import org.opendaylight.controller.switchmanager.SpanConfig;
  44 import org.opendaylight.controller.switchmanager.Subnet;
  45 import org.opendaylight.controller.switchmanager.SubnetConfig;
  46 import org.opendaylight.controller.switchmanager.Switch;
  47 import org.opendaylight.controller.switchmanager.SwitchConfig;
  48 import org.opendaylight.controller.topologymanager.TopologyUserLinkConfig;
  49
  50 public class TopologyManagerImplTest {
  51     /**
  52      * Mockup of switch manager that only maintains existence of node
  53      * connector.
  54      */
  55     private final class TestSwitchManager implements ISwitchManager {
  56         private final Set<Node>  nodeSet = new HashSet<Node>();
  57         private final Set<NodeConnector> nodeConnectorSet =
  58             new HashSet<NodeConnector>();
  59
  60         private void addNodeConnectors(NodeConnector ... connectors) {
  61             for (NodeConnector nc: connectors) {
  62                 if (nc != null) {
  63                     nodeSet.add(nc.getNode());
  64                     nodeConnectorSet.add(nc);
  65                 }
  66             }
  67         }
  68
  69         private void addNodeConnectors(TopologyUserLinkConfig ... links) {
  70             for (TopologyUserLinkConfig link: links) {
  71                 NodeConnector src =
  72                     NodeConnector.fromString(link.getSrcNodeConnector());
  73                 NodeConnector dst =
  74                     NodeConnector.fromString(link.getDstNodeConnector());
  75                 addNodeConnectors(src, dst);
  76             }
  77         }
  78
  79         @Override
  80         public Status addSubnet(SubnetConfig configObject) {
  81             return null;
  82         }
  83
  84         @Override
  85         public Status removeSubnet(SubnetConfig configObject) {
  86             return null;
  87         }
  88
  89         @Override
  90         public Status modifySubnet(SubnetConfig configObject) {
  91             return null;
  92         }
  93
  94         @Override
  95         public Status removeSubnet(String name) {
  96             return null;
  97         }
  98
  99         @Override
 100         public List<Switch> getNetworkDevices() {
 101             return null;
 102         }
 103
 104         @Override
 105         public List<SubnetConfig> getSubnetsConfigList() {
 106             return null;
 107         }
 108
 109         @Override
 110         public SubnetConfig getSubnetConfig(String subnet) {
 111             return null;
 112         }
 113
 114         @Override
 115         public Subnet getSubnetByNetworkAddress(InetAddress networkAddress) {
 116             return null;
 117         }
 118
 119         @Override
 120         public Status saveSwitchConfig() {
 121             return null;
 122         }
 123
 124         @Override
 125         public Status addSpanConfig(SpanConfig configObject) {
 126             return null;
 127         }
 128
 129         @Override
 130         public Status removeSpanConfig(SpanConfig cfgObject) {
 131             return null;
 132         }
 133
 134         @Override
 135         public List<SpanConfig> getSpanConfigList() {
 136             return null;
 137         }
 138
 139         @Override
 140         public List<NodeConnector> getSpanPorts(Node node) {
 141             return null;
 142         }
 143
 144         @Override
 145         public void updateSwitchConfig(SwitchConfig cfgObject) {
 146         }
 147
 148         @Override
 149         public Status updateNodeConfig(SwitchConfig switchConfig) {
 150             return null;
 151         }
 152
 153         @Override
 154         public Status removeNodeConfig(String nodeId) {
 155             return null;
 156         }
 157
 158         @Override
 159         public SwitchConfig getSwitchConfig(String nodeId) {
 160             return null;
 161         }
 162
 163         @Override
 164         public Status addPortsToSubnet(String name, List<String> nodeConnectors) {
 165             return null;
 166         }
 167
 168         @Override
 169         public Status removePortsFromSubnet(String name, List<String> nodeConnectors) {
 170             return null;
 171         }
 172
 173         @Override
 174         public Set<Node> getNodes() {
 175             return new HashSet<Node>(nodeSet);
 176         }
 177
 178         @Override
 179         public Map<String, Property> getNodeProps(Node node) {
 180             return new HashMap<String, Property>();
 181         }
 182
 183         @Override
 184         public Property getNodeProp(Node node, String propName) {
 185             return null;
 186         }
 187
 188         @Override
 189         public void setNodeProp(Node node, Property prop) {
 190         }
 191
 192         @Override
 193         public Status removeNodeProp(Node node, String propName) {
 194             return null;
 195         }
 196
 197         @Override
 198         public Status removeNodeAllProps(Node node) {
 199             return null;
 200         }
 201
 202         @Override
 203         public Set<NodeConnector> getUpNodeConnectors(Node node) {
 204             return getNodeConnectors(node);
 205         }
 206
 207         @Override
 208         public Set<NodeConnector> getNodeConnectors(Node node) {
 209             Set<NodeConnector> set = new HashSet<NodeConnector>();
 210             for (NodeConnector nc: nodeConnectorSet) {
 211                 if (nc.getNode().equals(node)) {
 212                     set.add(nc);
 213                 }
 214             }
 215
 216             return set;
 217         }
 218
 219         @Override
 220         public Set<NodeConnector> getPhysicalNodeConnectors(Node node) {
 221             return getNodeConnectors(node);
 222         }
 223
 224         @Override
 225         public Map<String, Property> getNodeConnectorProps(NodeConnector nodeConnector) {
 226             return new HashMap<String, Property>();
 227         }
 228
 229         @Override
 230         public Property getNodeConnectorProp(NodeConnector nodeConnector, String propName) {
 231             return null;
 232         }
 233
 234         @Override
 235         public Status addNodeConnectorProp(NodeConnector nodeConnector, Property prop) {
 236             return null;
 237         }
 238
 239         @Override
 240         public Status removeNodeConnectorProp(NodeConnector nc, String propName) {
 241             return null;
 242         }
 243
 244         @Override
 245         public Status removeNodeConnectorAllProps(NodeConnector nodeConnector) {
 246             return null;
 247         }
 248
 249         @Override
 250         public NodeConnector getNodeConnector(Node node, String nodeConnectorName) {
 251             return null;
 252         }
 253
 254         @Override
 255         public boolean isSpecial(NodeConnector p) {
 256             String type = p.getType();
 257             return (type.equals(NodeConnectorIDType.CONTROLLER)
 258                     || type.equals(NodeConnectorIDType.ALL)
 259                     || type.equals(NodeConnectorIDType.SWSTACK)
 260                     || type.equals(NodeConnectorIDType.HWPATH));
 261         }
 262
 263         @Override
 264         public Boolean isNodeConnectorEnabled(NodeConnector nodeConnector) {
 265             if (doesNodeConnectorExist(nodeConnector)) {
 266                 return Boolean.TRUE;
 267             }
 268             return Boolean.FALSE;
 269         }
 270
 271         @Override
 272         public boolean doesNodeConnectorExist(NodeConnector nc) {
 273             return (nc != null && nodeConnectorSet.contains(nc));
 274         }
 275
 276         @Override
 277         public byte[] getControllerMAC() {
 278             return new byte[6];
 279         }
 280
 281         @Override
 282         public byte[] getNodeMAC(Node node) {
 283             return new byte[6];
 284         }
 285
 286         @Override
 287         public Property createProperty(String propName, String propValue) {
 288             return null;
 289         }
 290
 291         @Override
 292         public String getNodeDescription(Node node) {
 293             return null;
 294         }
 295     }
 296
 297     /*
 298      * Sets the node, edges and properties for edges here: Edge <SwitchId :
 299      * NodeConnectorId> : <1:1>--><11:11>; <1:2>--><11:12>; <3:3>--><13:13>;
 300      * <3:4>--><13:14>; <5:5>--><15:15>; <5:6>--><15:16>; Method used by two
 301      * tests: testGetNodeEdges and testGetEdges
 302      *
 303      * @param topoManagerImpl
 304      *
 305      * @throws ConstructionException
 306      */
 307     public void setNodeEdges(TopologyManagerImpl topoManagerImpl, TestSwitchManager swMgr)
 308             throws ConstructionException {
 309         topoManagerImpl.nonClusterObjectCreate();
 310
 311         State state;
 312         Bandwidth bw;
 313         Latency l;
 314
 315         Set<Property> props = new HashSet<Property>();
 316         state = new State(State.EDGE_UP);
 317         bw = new Bandwidth(Bandwidth.BW100Gbps);
 318         l = new Latency(Latency.LATENCY100ns);
 319         props.add(state);
 320         props.add(bw);
 321         props.add(l);
 322
 323         for (short i = 1; i < 6; i = (short) (i + 2)) {
 324             List<TopoEdgeUpdate> topoedgeupdateList = new ArrayList<TopoEdgeUpdate>();
 325             NodeConnector headnc1 = NodeConnectorCreator.createOFNodeConnector(
 326                     i, NodeCreator.createOFNode((long) i));
 327             NodeConnector tailnc1 = NodeConnectorCreator
 328                     .createOFNodeConnector((short) (i + 10),
 329                             NodeCreator.createOFNode((long) (i + 10)));
 330             swMgr.addNodeConnectors(tailnc1, headnc1);
 331             Edge e1 = new Edge(tailnc1, headnc1);
 332             TopoEdgeUpdate teu1 = new TopoEdgeUpdate(e1, props,
 333                     UpdateType.ADDED);
 334             topoedgeupdateList.add(teu1);
 335
 336             NodeConnector tailnc2 = NodeConnectorCreator.createOFNodeConnector(
 337                     (short) (i + 1), headnc1.getNode());
 338             NodeConnector headnc2 = NodeConnectorCreator.createOFNodeConnector(
 339                     (short) (i + 11), tailnc1.getNode());
 340             swMgr.addNodeConnectors(tailnc1, headnc2);
 341             Edge e2 = new Edge(tailnc2, headnc2);
 342             TopoEdgeUpdate teu2 = new TopoEdgeUpdate(e2, props,
 343                     UpdateType.ADDED);
 344             topoedgeupdateList.add(teu2);
 345             topoManagerImpl.edgeUpdate(topoedgeupdateList);
 346         }
 347     }
 348
 349     @Test
 350     public void testGetNodeEdges() throws ConstructionException {
 351         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 352         TestSwitchManager swMgr = new TestSwitchManager();
 353         topoManagerImpl.setSwitchManager(swMgr);
 354         setNodeEdges(topoManagerImpl, swMgr);
 355
 356         Map<Node, Set<Edge>> nodeEdgeMap = topoManagerImpl.getNodeEdges();
 357         for (Iterator<Map.Entry<Node, Set<Edge>>> i = nodeEdgeMap.entrySet()
 358                 .iterator(); i.hasNext();) {
 359             Map.Entry<Node, Set<Edge>> entry = i.next();
 360             Node node = entry.getKey();
 361             Long nodeId = ((Long) node.getID()).longValue();
 362             Assert.assertTrue((node.getType().equals(NodeIDType.OPENFLOW)));
 363
 364             Set<Edge> edges = entry.getValue();
 365             for (Edge edge : edges) {
 366                 Long headNcId = ((Short) edge.getHeadNodeConnector().getID())
 367                         .longValue();
 368                 Long tailNcId = ((Short) edge.getTailNodeConnector().getID())
 369                         .longValue();
 370                 Assert.assertTrue(
 371                         (headNcId.equals(nodeId) && tailNcId.equals(nodeId + 10))
 372                         || (headNcId.equals(nodeId + 11) && tailNcId.equals(nodeId + 1))
 373                         || (headNcId.equals(nodeId + 1) && tailNcId.equals(nodeId - 9))
 374                         || (headNcId.equals(nodeId - 10) && tailNcId.equals(nodeId))
 375                         );
 376             }
 377             i.remove();
 378         }
 379         Assert.assertTrue(nodeEdgeMap.isEmpty());
 380     }
 381
 382     @Test
 383     public void testGetEdges() throws ConstructionException {
 384         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 385         TestSwitchManager swMgr = new TestSwitchManager();
 386         topoManagerImpl.setSwitchManager(swMgr);
 387         setNodeEdges(topoManagerImpl, swMgr);
 388
 389         Map<Edge, Set<Property>> edgeProperty = topoManagerImpl.getEdges();
 390
 391         for (Iterator<Map.Entry<Edge, Set<Property>>> i = edgeProperty
 392                 .entrySet().iterator(); i.hasNext();) {
 393             Map.Entry<Edge, Set<Property>> entry = i.next();
 394             Edge e = entry.getKey();
 395             NodeConnector headnc = e.getHeadNodeConnector();
 396             NodeConnector tailnc = e.getTailNodeConnector();
 397
 398             Long headNodeId = (Long) headnc.getNode().getID();
 399
 400             Long headNcId = ((Short) headnc.getID()).longValue();
 401             Long tailNcId = ((Short) tailnc.getID()).longValue();
 402
 403             if (headNodeId == 1 || headNodeId == 3 || headNodeId == 5) {
 404                 Assert.assertTrue((headNcId.equals(headNodeId) && tailNcId
 405                         .equals(headNodeId + 10))
 406                         || (headNcId.equals(headNodeId + 10) && tailNcId
 407                                 .equals(headNodeId))
 408                                 || (headNcId.equals(headNodeId + 1) && tailNcId
 409                                         .equals(headNodeId + 11))
 410                                         || (headNcId.equals(headNodeId + 11) && tailNcId
 411                                                 .equals(headNodeId + 1)));
 412             } else if (headNodeId == 11 || headNodeId == 13 || headNodeId == 15) {
 413                 Assert.assertTrue((headNcId.equals(headNodeId) && tailNcId
 414                         .equals(headNodeId - 10))
 415                         || (headNcId.equals(headNodeId) && tailNcId
 416                                 .equals(headNodeId - 10))
 417                                 || (headNcId.equals(headNodeId - 9) && tailNcId
 418                                         .equals(headNodeId + 1))
 419                                         || (headNcId.equals(headNodeId + 1) && tailNcId
 420                                                 .equals(headNodeId - 9)));
 421             }
 422
 423             Set<Property> prop = entry.getValue();
 424             for (Property p : prop) {
 425                 String pName;
 426                 long pValue;
 427                 if (p instanceof Bandwidth) {
 428                     Bandwidth b = (Bandwidth) p;
 429                     pName = Bandwidth.BandwidthPropName;
 430                     pValue = b.getValue();
 431                     Assert.assertTrue(pName.equals(p.getName())
 432                             && pValue == Bandwidth.BW100Gbps);
 433                     continue;
 434                 }
 435                 if (p instanceof Latency) {
 436                     Latency l = (Latency) p;
 437                     pName = Latency.LatencyPropName;
 438                     pValue = l.getValue();
 439                     Assert.assertTrue(pName.equals(p.getName())
 440                             && pValue == Latency.LATENCY100ns);
 441                     continue;
 442                 }
 443                 if (p instanceof State) {
 444                     State state = (State) p;
 445                     pName = State.StatePropName;
 446                     pValue = state.getValue();
 447                     Assert.assertTrue(pName.equals(p.getName())
 448                             && pValue == State.EDGE_UP);
 449                     continue;
 450                 }
 451             }
 452             i.remove();
 453         }
 454         Assert.assertTrue(edgeProperty.isEmpty());
 455     }
 456
 457     @Test
 458     public void testAddDeleteUserLink() {
 459         TopologyUserLinkConfig link1 = new TopologyUserLinkConfig("default1",
 460                 "OF|1@OF|2", "OF|1@OF|3");
 461         TopologyUserLinkConfig link2 = new TopologyUserLinkConfig("default1",
 462                 "OF|10@OF|20", "OF|10@OF|30");
 463         TopologyUserLinkConfig link3 = new TopologyUserLinkConfig("default2",
 464                 "OF|1@OF|2", "OF|1@OF|3");
 465         TopologyUserLinkConfig link4 = new TopologyUserLinkConfig("default20",
 466                 "OF|10@OF|20", "OF|10@OF|30");
 467
 468         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 469         TestSwitchManager swMgr = new TestSwitchManager();
 470         topoManagerImpl.setSwitchManager(swMgr);
 471         topoManagerImpl.nonClusterObjectCreate();
 472
 473         swMgr.addNodeConnectors(link1, link2, link3, link4);
 474
 475         Assert.assertTrue(topoManagerImpl.addUserLink(link1).isSuccess());
 476         Assert.assertTrue(topoManagerImpl.addUserLink(link2).getCode() == StatusCode.CONFLICT);
 477         Assert.assertTrue(topoManagerImpl.addUserLink(link3).getCode() == StatusCode.CONFLICT);
 478         Assert.assertTrue(topoManagerImpl.addUserLink(link4).isSuccess());
 479
 480         Assert.assertTrue(topoManagerImpl.deleteUserLink(null).getCode() == StatusCode.BADREQUEST);
 481         Assert.assertTrue(topoManagerImpl.deleteUserLink(link1.getName())
 482                 .isSuccess());
 483         Assert.assertTrue(topoManagerImpl.deleteUserLink(link4.getName())
 484                 .isSuccess());
 485         Assert.assertTrue(topoManagerImpl.getUserLinks().isEmpty());
 486
 487         TopologyUserLinkConfig badlink1 =
 488             new TopologyUserLinkConfig("bad1", "OF|1@OF|4", "OF|1@OF|5");
 489         TopologyUserLinkConfig badlink2 =
 490             new TopologyUserLinkConfig("bad2", "OF|10@OF|7", "OF|7@OF|13");
 491         Assert.assertEquals(StatusCode.NOTFOUND,
 492                             topoManagerImpl.addUserLink(badlink1).getCode());
 493         Assert.assertEquals(StatusCode.NOTFOUND,
 494                             topoManagerImpl.addUserLink(badlink2).getCode());
 495     }
 496
 497     @Test
 498     public void testGetUserLink() {
 499         TopologyUserLinkConfig[] link = new TopologyUserLinkConfig[5];
 500         TopologyUserLinkConfig[] reverseLink = new TopologyUserLinkConfig[5];
 501         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 502         TestSwitchManager swMgr = new TestSwitchManager();
 503         topoManagerImpl.setSwitchManager(swMgr);
 504         topoManagerImpl.nonClusterObjectCreate();
 505
 506         String name = "Test";
 507         String srcSwitchId = null;
 508         String srcNodeConnectorIDType = null;
 509         String srcPort = null;
 510         String srcNodeIDType = null;
 511         String dstNodeIDType = null;
 512         String dstSwitchId = null;
 513         String dstNodeConnectorIDType = null;
 514         String dstPort = null;
 515         String srcNodeConnector = null;
 516         String dstNodeConnector = null;
 517
 518         /* Creating userlinks and checking for their validity */
 519         link[0] = new TopologyUserLinkConfig(name, srcNodeConnector, dstNodeConnector);
 520         Assert.assertTrue(link[0].isValid() == false);
 521
 522         srcNodeConnector = "OF|1@OF|1";
 523         link[0] = new TopologyUserLinkConfig(name, srcNodeConnector, dstNodeConnector);
 524         Assert.assertTrue(link[0].isValid() == false);
 525
 526         dstNodeConnector = "OF|1@OF|2";
 527         link[0] = new TopologyUserLinkConfig(name, srcNodeConnector, dstNodeConnector);
 528         Assert.assertTrue(link[0].isValid() == true);
 529
 530         Integer i;
 531
 532         for (i = 0; i < 5; i++) {
 533             link[i] = new TopologyUserLinkConfig();
 534
 535             name = Integer.toString(i + 1);
 536             srcSwitchId = Integer.toString(i + 1);
 537             srcPort = Integer.toString(i + 1);
 538             dstSwitchId = Integer.toString((i + 1) * 10);
 539             dstPort = Integer.toString((i + 1) * 10);
 540
 541             link[i].setName(name);
 542             srcNodeConnectorIDType = dstNodeConnectorIDType = "INCORRECT";
 543             srcNodeConnector = srcNodeConnectorIDType+"|"+srcSwitchId+"@"+srcNodeConnectorIDType+"|"+srcPort;
 544             dstNodeConnector = dstNodeConnectorIDType+"|"+dstSwitchId+"@"+dstNodeConnectorIDType+"|"+dstPort;
 545
 546             link[i].setSrcNodeConnector(srcNodeConnector);
 547             Assert.assertTrue(link[i].isValid() == false);
 548
 549             srcNodeConnectorIDType = "OF";
 550             srcNodeConnector = srcNodeConnectorIDType+"|"+srcSwitchId+"@"+srcNodeConnectorIDType+"|"+srcPort;
 551             link[i].setSrcNodeConnector(srcNodeConnector);
 552             Assert.assertTrue(link[i].isValid() == false);
 553
 554             dstNodeConnectorIDType = "OF";
 555             dstNodeConnector = dstNodeConnectorIDType+"|"+dstSwitchId+"@"+dstNodeConnectorIDType+"|"+dstPort;
 556             link[i].setDstNodeConnector(dstNodeConnector);
 557             Assert.assertTrue(link[i].isValid() == true);
 558
 559             reverseLink[i] = new TopologyUserLinkConfig(name, dstNodeConnector, srcNodeConnector);
 560
 561             Assert.assertEquals(StatusCode.NOTFOUND,
 562                                 topoManagerImpl.addUserLink(link[i]).getCode());
 563             swMgr.addNodeConnectors(link[i]);
 564             Assert.assertTrue(topoManagerImpl.addUserLink(link[i]).isSuccess());
 565         }
 566
 567         ConcurrentMap<String, TopologyUserLinkConfig> userLinks = topoManagerImpl
 568                 .getUserLinks();
 569         TopologyUserLinkConfig resultLink;
 570
 571         for (i = 0; i < 5; i++) {
 572             resultLink = userLinks.get(((Integer) (i + 1)).toString());
 573
 574             Assert.assertTrue(resultLink.getName().equals(
 575                     reverseLink[i].getName()));
 576             Assert.assertTrue(resultLink.getDstNodeConnector().equals(
 577                     reverseLink[i].getSrcNodeConnector()));
 578             Assert.assertTrue(resultLink.getSrcNodeConnector().equals(
 579                     reverseLink[i].getDstNodeConnector()));
 580         }
 581     }
 582
 583     @Test
 584     public void testHostLinkMethods() throws ConstructionException,
 585     UnknownHostException {
 586         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 587         TestSwitchManager swMgr = new TestSwitchManager();
 588         topoManagerImpl.setSwitchManager(swMgr);
 589         topoManagerImpl.nonClusterObjectCreate();
 590         int hostCounter = 0;
 591
 592         State state;
 593         Bandwidth bw;
 594         Latency l;
 595         Set<Property> props = new HashSet<Property>();
 596         state = new State(State.EDGE_UP);
 597         bw = new Bandwidth(Bandwidth.BW100Gbps);
 598         l = new Latency(Latency.LATENCY100ns);
 599         props.add(state);
 600         props.add(bw);
 601         props.add(l);
 602
 603         EthernetAddress ea;
 604         InetAddress ip;
 605         Host[] h = new Host[5];
 606         NodeConnector[] nc = new NodeConnector[5];
 607
 608         /*
 609          * Adding host, nodeConnector to hostsDB for the i = 0,1,2,3. No host
 610          * added for i = 4
 611          */
 612         for (int i = 0; i < 5; i++) {
 613             if (hostCounter < 4) {
 614                 ea = new EthernetAddress(new byte[] { (byte) 0x0, (byte) 0x0,
 615                         (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) i });
 616                 String stringIP = new StringBuilder().append(i + 1).append(".")
 617                         .append(i + 10).append(".").append(i + 20).append(".")
 618                         .append(i + 30).toString();
 619                 ip = InetAddress.getByName(stringIP);
 620                 h[hostCounter] = new Host(ea, ip);
 621             } else {
 622                 h[hostCounter] = null;
 623             }
 624             hostCounter++;
 625             nc[i] = NodeConnectorCreator.createOFNodeConnector((short) (i + 1),
 626                     NodeCreator.createOFNode((long) (i + 1)));
 627             topoManagerImpl
 628             .updateHostLink(nc[i], h[i], UpdateType.ADDED, props);
 629         }
 630
 631         for (int i = 0; i < 5; i++) {
 632             Host host = topoManagerImpl.getHostAttachedToNodeConnector(nc[i]);
 633             if (i == 4) {
 634                 Assert.assertTrue(host == null);
 635             } else {
 636                 Assert.assertTrue(host.equals(h[i]));
 637             }
 638         }
 639
 640         Set<NodeConnector> ncSet = topoManagerImpl.getNodeConnectorWithHost();
 641         for (int i = 0; i < 5; i++) {
 642             Assert.assertTrue(ncSet.remove(nc[i]));
 643         }
 644         Assert.assertTrue(ncSet.isEmpty());
 645     }
 646
 647     @Test
 648     public void testGetNodesWithNodeConnectorHost()
 649             throws ConstructionException, UnknownHostException {
 650         TopologyManagerImpl topoManagerImpl = new TopologyManagerImpl();
 651         TestSwitchManager swMgr = new TestSwitchManager();
 652         topoManagerImpl.setSwitchManager(swMgr);
 653         topoManagerImpl.nonClusterObjectCreate();
 654         int hostCounter = 0;
 655
 656         State state;
 657         Bandwidth bw;
 658         Latency l;
 659         Set<Property> props = new HashSet<Property>();
 660         state = new State(State.EDGE_UP);
 661         bw = new Bandwidth(Bandwidth.BW100Gbps);
 662         l = new Latency(Latency.LATENCY100ns);
 663         props.add(state);
 664         props.add(bw);
 665         props.add(l);
 666
 667         EthernetAddress ea;
 668         InetAddress ip;
 669         Host[] h = new Host[5];
 670         NodeConnector[] nc = new NodeConnector[5];
 671
 672         /*
 673          * Adding host, nodeconnector, properties of edge to hostsDB for the
 674          * first three nodes only
 675          */
 676         for (int i = 1; i < 6; i++) {
 677             if (i < 4) {
 678                 ea = new EthernetAddress(new byte[] { (byte) 0x0, (byte) 0x0,
 679                         (byte) 0x0, (byte) 0x0, (byte) 0x0, (byte) i });
 680                 String stringIP = new StringBuilder().append(i).append(".")
 681                         .append(i + 10).append(".").append(i + 20).append(".")
 682                         .append(i + 30).toString();
 683                 ip = InetAddress.getByName(stringIP);
 684                 h[hostCounter] = new Host(ea, ip);
 685             } else {
 686                 h[hostCounter] = null;
 687             }
 688             hostCounter++;
 689             nc[i - 1] = NodeConnectorCreator.createOFNodeConnector((short) i,
 690                     NodeCreator.createOFNode((long) i));
 691             topoManagerImpl.updateHostLink(nc[i - 1], h[i - 1],
 692                     UpdateType.ADDED, props);
 693         }
 694
 695         /* Get the nodes which have host connected to its nodeConnector */
 696         Map<Node, Set<NodeConnector>> nodeNCmap = topoManagerImpl
 697                 .getNodesWithNodeConnectorHost();
 698         for (int i = 1; i < 6; i++) {
 699             Node node = nc[i - 1].getNode();
 700             Set<NodeConnector> ncSet = nodeNCmap.get(nc[i - 1].getNode());
 701
 702             Assert.assertTrue(ncSet == nodeNCmap.remove(node));
 703         }
 704
 705         Assert.assertTrue(nodeNCmap.isEmpty());
 706     }
 707 }