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
  11 import static org.junit.jupiter.api.Assertions.assertFalse;
  12 import static org.junit.jupiter.api.Assertions.assertNotNull;
  13 import static org.junit.jupiter.api.Assertions.assertNull;
  14 import static org.junit.jupiter.api.Assertions.fail;
  15
  16 import com.google.gson.stream.JsonReader;
  17 import java.io.FileNotFoundException;
  18 import java.io.FileReader;
  19 import java.io.IOException;
  20 import java.io.Reader;
  21 import java.net.URI;
  22 import java.nio.charset.StandardCharsets;
  23 import java.util.Map;
  24 import java.util.concurrent.ExecutionException;
  25 import org.glassfish.grizzly.http.server.HttpServer;
  26 import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
  27 import org.glassfish.jersey.server.ResourceConfig;
  28 import org.junit.jupiter.api.AfterAll;
  29 import org.junit.jupiter.api.BeforeAll;
  30 import org.junit.jupiter.api.BeforeEach;
  31 import org.junit.jupiter.api.Test;
  32 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  33 import org.opendaylight.transportpce.common.NetworkUtils;
  34 import org.opendaylight.transportpce.common.network.NetworkTransactionImpl;
  35 import org.opendaylight.transportpce.pce.constraints.PceConstraints;
  36 import org.opendaylight.transportpce.pce.constraints.PceConstraintsCalc;
  37 import org.opendaylight.transportpce.pce.gnpy.consumer.GnpyConsumer;
  38 import org.opendaylight.transportpce.pce.gnpy.consumer.GnpyConsumerImpl;
  39 import org.opendaylight.transportpce.pce.gnpy.consumer.GnpyStub;
  40 import org.opendaylight.transportpce.pce.utils.JsonUtil;
  41 import org.opendaylight.transportpce.pce.utils.PceTestData;
  42 import org.opendaylight.transportpce.test.AbstractTest;
  43 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.AToZDirectionBuilder;
  44 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ZToADirectionBuilder;
  45 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZ;
  46 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZBuilder;
  47 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZKey;
  48 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToA;
  49 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToABuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToAKey;
  51 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.Resource;
  52 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.ResourceBuilder;
  53 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.resource.TerminationPoint;
  54 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.resource.TerminationPointBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  59 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  60 import org.opendaylight.yangtools.yang.common.QName;
  61 import org.opendaylight.yangtools.yang.common.Uint32;
  62 import org.slf4j.Logger;
  63 import org.slf4j.LoggerFactory;
  64
  65 public class GnpyUtilitiesImplTest extends AbstractTest {
  66
  67     private static final Logger LOG = LoggerFactory.getLogger(GnpyUtilitiesImplTest.class);
  68     private GnpyUtilitiesImpl gnpyUtilitiesImpl;
  69     private NetworkTransactionImpl networkTransaction;
  70     private static HttpServer httpServer;
  71     private GnpyConsumer gnpyConsumer;
  72
  73     public GnpyUtilitiesImplTest() throws IOException {
  74         networkTransaction = new NetworkTransactionImpl(getDataBroker());
  75         JsonReader networkReader = null;
  76         JsonReader topoReader = null;
  77
  78         try {
  79             // load openroadm-network
  80             Reader gnpyNetwork = new FileReader("src/test/resources/gnpy/gnpy_network.json",
  81                     StandardCharsets.UTF_8);
  82
  83             networkReader = new JsonReader(gnpyNetwork);
  84             Networks networks = (Networks) JsonUtil.getInstance().getDataObjectFromJson(networkReader,
  85                     QName.create("urn:ietf:params:xml:ns:yang:ietf-network", "2018-02-26", "networks"));
  86             saveOpenRoadmNetwork(networks.getNetwork().values().iterator().next(), NetworkUtils.UNDERLAY_NETWORK_ID);
  87             // load openroadm-topology
  88             Reader gnpyTopo = new FileReader("src/test/resources/gnpy/gnpy_topology.json",
  89                     StandardCharsets.UTF_8);
  90             topoReader = new JsonReader(gnpyTopo);
  91             networks = (Networks) JsonUtil.getInstance().getDataObjectFromJson(topoReader,
  92                     QName.create("urn:ietf:params:xml:ns:yang:ietf-network", "2018-02-26", "networks"));
  93             saveOpenRoadmNetwork(networks.getNetwork().values().iterator().next(), NetworkUtils.OVERLAY_NETWORK_ID);
  94         } catch (FileNotFoundException | InterruptedException | ExecutionException e) {
  95             LOG.error("Cannot init test ", e);
  96             fail("Cannot init test ");
  97
  98         } finally {
  99             try {
 100                 if (networkReader != null) {
 101                     networkReader.close();
 102                 }
 103                 if (topoReader != null) {
 104                     topoReader.close();
 105                 }
 106             } catch (IOException e) {
 107                 LOG.warn("Cannot close reader ", e);
 108             }
 109         }
 110
 111     }
 112
 113     @BeforeEach
 114     void initConsumer() {
 115         gnpyConsumer = new GnpyConsumerImpl("http://localhost:9998", "mylogin", "mypassword",
 116                 getDataStoreContextUtil().getBindingDOMCodecServices());
 117     }
 118
 119     @BeforeAll
 120     static void init() {
 121         // here we cannot use JerseyTest as we already extends AbstractTest
 122         final ResourceConfig rc = new ResourceConfig(GnpyStub.class);
 123         httpServer = GrizzlyHttpServerFactory.createHttpServer(URI.create("http://localhost:9998"), rc);
 124     }
 125
 126     @AfterAll
 127     static void tearDown() {
 128         httpServer.shutdownNow();
 129     }
 130
 131     private void saveOpenRoadmNetwork(Network network, String networkId)
 132             throws InterruptedException, ExecutionException {
 133         InstanceIdentifier<Network> nwInstanceIdentifier = InstanceIdentifier.builder(Networks.class)
 134                 .child(Network.class, new NetworkKey(new NetworkId(networkId))).build();
 135         networkTransaction.put(LogicalDatastoreType.CONFIGURATION, nwInstanceIdentifier, network);
 136         networkTransaction.commit().get();
 137     }
 138
 139     @Test
 140     void askNewPathFromGnpyNullResultTest() throws Exception {
 141         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 142                 PceTestData.getGnpyPCERequest("XPONDER-1", "XPONDER-2"),
 143                 gnpyConsumer);
 144         assertNull(gnpyUtilitiesImpl.askNewPathFromGnpy(null), "No hard constraints should be available");
 145     }
 146
 147     @Test
 148     void askNewPathFromGnpyTest() throws Exception {
 149         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 150                 PceTestData.getGnpyPCERequest("XPONDER-3", "XPONDER-4"),
 151                 gnpyConsumer);
 152         PceConstraintsCalc constraints = new PceConstraintsCalc(PceTestData.getPCE_simpletopology_test1_request(),
 153                 networkTransaction);
 154         PceConstraints pceHardConstraints = constraints.getPceHardConstraints();
 155         assertNotNull(gnpyUtilitiesImpl.askNewPathFromGnpy(pceHardConstraints), "Hard constraints should be available");
 156     }
 157
 158     @Test
 159     void verifyComputationByGnpyTest() throws Exception {
 160         // build AtoZ
 161         AToZDirectionBuilder atoZDirectionBldr = buildAtZ();
 162         // build ZtoA
 163         ZToADirectionBuilder ztoADirectionBldr = buildZtoA();
 164
 165         gnpyUtilitiesImpl = new GnpyUtilitiesImpl(networkTransaction,
 166                 PceTestData.getGnpyPCERequest("XPONDER-1", "XPONDER-2"),
 167                 gnpyConsumer);
 168         PceConstraintsCalc constraints = new PceConstraintsCalc(PceTestData.getPCE_simpletopology_test1_request(),
 169                 networkTransaction);
 170         PceConstraints pceHardConstraints = constraints.getPceHardConstraints();
 171         boolean result = gnpyUtilitiesImpl.verifyComputationByGnpy(atoZDirectionBldr.build(),
 172                 ztoADirectionBldr.build(),
 173                 pceHardConstraints);
 174         assertFalse(result, "Gnpy Computation should be false");
 175     }
 176
 177     private AToZDirectionBuilder buildAtZ() {
 178         AToZKey clientKey = new AToZKey("key");
 179         TerminationPoint stp = new TerminationPointBuilder()
 180                 .setTpId("tpName").setTpNodeId("xname")
 181                 .build();
 182         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 183         AToZ firstResource = new AToZBuilder().setId("tpName").withKey(clientKey).setResource(clientResource).build();
 184         return new AToZDirectionBuilder()
 185                 .setRate(Uint32.valueOf(100))
 186                 .setAToZ(Map.of(firstResource.key(),firstResource))
 187                 .setAToZWavelengthNumber(Uint32.valueOf(0));
 188     }
 189
 190     private ZToADirectionBuilder buildZtoA() {
 191         ZToAKey clientKey = new ZToAKey("key");
 192         TerminationPoint stp = new TerminationPointBuilder()
 193                 .setTpId("tpName").setTpNodeId("xname")
 194                 .build();
 195         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 196         ZToA firstResource = new ZToABuilder().setId("tpName").withKey(clientKey).setResource(clientResource).build();
 197         return new ZToADirectionBuilder()
 198                 .setRate(Uint32.valueOf(100))
 199                 .setZToA(Map.of(firstResource.key(),firstResource))
 200                 .setZToAWavelengthNumber(Uint32.valueOf(0));
 201     }
 202 }