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