pce/src/test/java/org/opendaylight/transportpce/pce/gnpy/GnpyUtilitiesImplTest.java

   1 /*
   2  * Copyright © 2020 Orange Labs, 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.transportpce.pce.gnpy;
   9
  10 import static org.junit.Assert.assertNotNull;
  11 import static org.junit.Assert.assertNull;
  12 import static org.junit.Assert.fail;
  13
  14 import com.google.gson.stream.JsonReader;
  15 import java.io.FileNotFoundException;
  16 import java.io.FileReader;
  17 import java.io.IOException;
  18 import java.io.Reader;
  19 import java.net.URI;
  20 import java.nio.charset.StandardCharsets;
  21 import java.util.Map;
  22 import java.util.concurrent.ExecutionException;
  23 import org.glassfish.grizzly.http.server.HttpServer;
  24 import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
  25 import org.glassfish.jersey.server.ResourceConfig;
  26 import org.junit.AfterClass;
  27 import org.junit.Assert;
  28 import org.junit.BeforeClass;
  29 import org.junit.Test;
  30 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  31 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  32 import org.opendaylight.transportpce.common.NetworkUtils;
  33 import org.opendaylight.transportpce.common.network.NetworkTransactionImpl;
  34 import org.opendaylight.transportpce.common.network.RequestProcessor;
  35 import org.opendaylight.transportpce.pce.constraints.PceConstraints;
  36 import org.opendaylight.transportpce.pce.constraints.PceConstraintsCalc;
  37 import org.opendaylight.transportpce.pce.utils.JsonUtil;
  38 import org.opendaylight.transportpce.pce.utils.PceTestData;
  39 import org.opendaylight.transportpce.test.AbstractTest;
  40 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.AToZDirectionBuilder;
  41 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.ZToADirectionBuilder;
  42 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.atoz.direction.AToZ;
  43 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.atoz.direction.AToZBuilder;
  44 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.atoz.direction.AToZKey;
  45 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.ztoa.direction.ZToA;
  46 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.ztoa.direction.ZToABuilder;
  47 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.ztoa.direction.ZToAKey;
  48 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.pce.resource.Resource;
  49 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.pce.resource.ResourceBuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.pce.resource.resource.resource.TerminationPoint;
  51 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.pce.resource.resource.resource.TerminationPointBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  56 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  57 import org.opendaylight.yangtools.yang.common.QName;
  58 import org.opendaylight.yangtools.yang.common.Uint32;
  59 import org.slf4j.Logger;
  60 import org.slf4j.LoggerFactory;
  61
  62 public class GnpyUtilitiesImplTest extends AbstractTest {
  63
  64     private static final Logger LOG = LoggerFactory.getLogger(GnpyUtilitiesImplTest.class);
  65     private GnpyUtilitiesImpl gnpyUtilitiesImpl;
  66     private NetworkTransactionImpl networkTransaction;
  67     private static HttpServer httpServer;
  68
  69     public GnpyUtilitiesImplTest() throws IOException {
  70         networkTransaction = new NetworkTransactionImpl(new RequestProcessor(this.getDataBroker()));
  71         JsonReader networkReader = null;
  72         JsonReader topoReader = null;
  73
  74         try {
  75             // load openroadm-network
  76             Reader gnpyNetwork = new FileReader("src/test/resources/gnpy/gnpy_network.json",
  77                     StandardCharsets.UTF_8);
  78
  79             networkReader = new JsonReader(gnpyNetwork);
  80             Networks networks = (Networks) JsonUtil.getInstance().getDataObjectFromJson(networkReader,
  81                     QName.create("urn:ietf:params:xml:ns:yang:ietf-network", "2018-02-26", "networks"));
  82             saveOpenRoadmNetwork(networks.getNetwork().values().iterator().next(), NetworkUtils.UNDERLAY_NETWORK_ID);
  83             // load openroadm-topology
  84             Reader gnpyTopo = new FileReader("src/test/resources/gnpy/gnpy_topology.json",
  85                     StandardCharsets.UTF_8);
  86             topoReader = new JsonReader(gnpyTopo);
  87             networks = (Networks) JsonUtil.getInstance().getDataObjectFromJson(topoReader,
  88                     QName.create("urn:ietf:params:xml:ns:yang:ietf-network", "2018-02-26", "networks"));
  89             saveOpenRoadmNetwork(networks.getNetwork().values().iterator().next(), NetworkUtils.OVERLAY_NETWORK_ID);
  90         } catch (FileNotFoundException | InterruptedException | ExecutionException e) {
  91             LOG.error("Cannot init test ", e);
  92             fail("Cannot init test ");
  93
  94         } finally {
  95             try {
  96                 if (networkReader != null) {
  97                     networkReader.close();
  98                 }
  99                 if (topoReader != null) {
 100                     topoReader.close();
 101                 }
 102             } catch (IOException e) {
 103                 LOG.warn("Cannot close reader ", e);
 104             }
 105         }
 106
 107     }
 108
 109     @BeforeClass
 110     public static void init() {
 111         // here we cannot use JerseyTest as we already extends AbstractTest
 112         final ResourceConfig rc = new ResourceConfig(GnpyStub.class);
 113         httpServer = GrizzlyHttpServerFactory.createHttpServer(URI.create("http://127.0.0.1:8008"), rc);
 114     }
 115
 116     @AfterClass
 117     public static void tearDown() {
 118         httpServer.shutdownNow();
 119     }
 120
 121     private void saveOpenRoadmNetwork(Network network, String networkId)
 122             throws InterruptedException, ExecutionException {
 123         InstanceIdentifier<Network> nwInstanceIdentifier = InstanceIdentifier.builder(Networks.class)
 124                 .child(Network.class, new NetworkKey(new NetworkId(networkId))).build();
 125         WriteTransaction dataWriteTransaction = this.getDataBroker().newWriteOnlyTransaction();
 126         dataWriteTransaction.put(LogicalDatastoreType.CONFIGURATION, nwInstanceIdentifier, network);
 127         dataWriteTransaction.commit().get();
 128     }
 129
 130     @Test
 131     public void askNewPathFromGnpyNullResultTest() throws Exception {
 132         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 133                 PceTestData.getGnpyPCERequest("XPONDER-1", "XPONDER-2"),
 134                 JsonUtil.getInstance().getBindingDOMCodecServices());
 135         assertNull("No hard constraints should be available", gnpyUtilitiesImpl.askNewPathFromGnpy(null));
 136
 137     }
 138
 139     @Test
 140     public void askNewPathFromGnpyTest() throws Exception {
 141         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 142                 PceTestData.getGnpyPCERequest("XPONDER-3", "XPONDER-4"),
 143                 JsonUtil.getInstance().getBindingDOMCodecServices());
 144         PceConstraintsCalc constraints = new PceConstraintsCalc(PceTestData.getPCE_simpletopology_test1_request(),
 145                 networkTransaction);
 146         PceConstraints pceHardConstraints = constraints.getPceHardConstraints();
 147         assertNotNull("Hard constraints should be available", gnpyUtilitiesImpl.askNewPathFromGnpy(pceHardConstraints));
 148
 149
 150     }
 151
 152     @Test
 153     public void verifyComputationByGnpyTest() throws Exception {
 154         // build AtoZ
 155         AToZDirectionBuilder atoZDirectionBldr = buildAtZ();
 156         // build ZtoA
 157         ZToADirectionBuilder ztoADirectionBldr = buildZtoA();
 158
 159         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 160                 PceTestData.getGnpyPCERequest("XPONDER-1", "XPONDER-2"),
 161                 JsonUtil.getInstance().getBindingDOMCodecServices());
 162         PceConstraintsCalc constraints = new PceConstraintsCalc(PceTestData.getPCE_simpletopology_test1_request(),
 163                 networkTransaction);
 164         PceConstraints pceHardConstraints = constraints.getPceHardConstraints();
 165         boolean result = gnpyUtilitiesImpl.verifyComputationByGnpy(atoZDirectionBldr.build(),
 166                 ztoADirectionBldr.build(),
 167                 pceHardConstraints);
 168         Assert.assertFalse("Gnpy Computation should be false",result);
 169     }
 170
 171     private AToZDirectionBuilder buildAtZ() {
 172         AToZKey clientKey = new AToZKey("key");
 173         TerminationPoint stp = new TerminationPointBuilder()
 174                 .setTpId("tpName").setTpNodeId("xname")
 175                 .build();
 176         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 177         AToZ firstResource = new AToZBuilder().setId("tpName").withKey(clientKey).setResource(clientResource).build();
 178
 179         return new AToZDirectionBuilder()
 180                 .setRate(Uint32.valueOf(100))
 181                 .setAToZ(Map.of(firstResource.key(),firstResource))
 182                 .setAToZWavelengthNumber(Uint32.valueOf(0));
 183
 184     }
 185
 186     private ZToADirectionBuilder buildZtoA() {
 187         ZToAKey clientKey = new ZToAKey("key");
 188         TerminationPoint stp = new TerminationPointBuilder()
 189                 .setTpId("tpName").setTpNodeId("xname")
 190                 .build();
 191         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 192         ZToA firstResource = new ZToABuilder().setId("tpName").withKey(clientKey).setResource(clientResource).build();
 193         return new ZToADirectionBuilder()
 194                 .setRate(Uint32.valueOf(100))
 195                 .setZToA(Map.of(firstResource.key(),firstResource))
 196                 .setZToAWavelengthNumber(Uint32.valueOf(0));
 197
 198     }
 199 }