southbound/southbound-impl/src/test/java/org/opendaylight/ovsdb/southbound/SouthboundProviderTest.java

   1 /*
   2  * Copyright (c) 2015 Inocybe Technologies 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.ovsdb.southbound;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.mockito.Matchers.any;
  15 import static org.mockito.Matchers.anyString;
  16 import static org.mockito.Mockito.atLeastOnce;
  17 import static org.mockito.Mockito.mock;
  18 import static org.mockito.Mockito.verify;
  19 import static org.mockito.Mockito.when;
  20
  21 import com.google.common.base.Optional;
  22 import org.junit.Before;
  23 import org.junit.Test;
  24 import org.mockito.Mockito;
  25 import org.opendaylight.controller.md.sal.binding.test.AbstractDataBrokerTest;
  26 import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
  27 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  28 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
  29 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
  30 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
  31 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListenerRegistration;
  32 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  33 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
  34 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  35 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  36 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  37 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  38 import org.opendaylight.ovsdb.lib.OvsdbConnection;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  44
  45 public class SouthboundProviderTest extends AbstractDataBrokerTest {
  46
  47     private EntityOwnershipService entityOwnershipService;
  48
  49     @Before
  50     public void setUp() throws CandidateAlreadyRegisteredException {
  51         entityOwnershipService = mock(EntityOwnershipService.class);
  52         when(entityOwnershipService.registerListener(anyString(), any(EntityOwnershipListener.class))).thenReturn(
  53                 mock(EntityOwnershipListenerRegistration.class));
  54         when(entityOwnershipService.registerCandidate(any(Entity.class))).thenReturn(mock(
  55                 EntityOwnershipCandidateRegistration.class));
  56     }
  57
  58     @Test
  59     public void testInit() throws CandidateAlreadyRegisteredException {
  60         // Indicate that this is the owner
  61         when(entityOwnershipService.getOwnershipState(any(Entity.class))).thenReturn(
  62                 Optional.of(new EntityOwnershipState(true, true)));
  63
  64         try (SouthboundProvider southboundProvider = new SouthboundProvider(
  65                 getDataBroker(),
  66                 entityOwnershipService,
  67                 Mockito.mock(OvsdbConnection.class),
  68                 Mockito.mock(SchemaService.class),
  69                 Mockito.mock(BindingNormalizedNodeSerializer.class))) {
  70
  71             // Initiate the session
  72             southboundProvider.init();
  73
  74             // Verify that at least one listener was registered
  75             verify(entityOwnershipService, atLeastOnce()).registerListener(
  76                     anyString(), any(EntityOwnershipListener.class));
  77
  78             // Verify that a candidate was registered
  79             verify(entityOwnershipService).registerCandidate(any(Entity.class));
  80         }
  81     }
  82
  83     @Test
  84     public void testGetDb() {
  85         when(entityOwnershipService.getOwnershipState(any(Entity.class))).thenReturn(
  86                 Optional.of(new EntityOwnershipState(true, true)));
  87
  88         try (SouthboundProvider southboundProvider = new SouthboundProvider(
  89                 getDataBroker(),
  90                 entityOwnershipService,
  91                 Mockito.mock(OvsdbConnection.class),
  92                 Mockito.mock(SchemaService.class),
  93                 Mockito.mock(BindingNormalizedNodeSerializer.class))) {
  94
  95             southboundProvider.init();
  96
  97             assertEquals(getDataBroker(), SouthboundProvider.getDb());
  98         }
  99     }
 100
 101     @Test
 102     public void testHandleOwnershipChange() throws ReadFailedException {
 103         when(entityOwnershipService.getOwnershipState(any(Entity.class))).thenReturn(
 104                 Optional.of(new EntityOwnershipState(false, true)));
 105         Entity entity = new Entity("ovsdb-southbound-provider", "ovsdb-southbound-provider");
 106         KeyedInstanceIdentifier<Topology, TopologyKey> topologyIid = InstanceIdentifier
 107                 .create(NetworkTopology.class)
 108                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 109
 110         try (SouthboundProvider southboundProvider = new SouthboundProvider(
 111                 getDataBroker(),
 112                 entityOwnershipService,
 113                 Mockito.mock(OvsdbConnection.class),
 114                 Mockito.mock(SchemaService.class),
 115                 Mockito.mock(BindingNormalizedNodeSerializer.class))) {
 116
 117             southboundProvider.init();
 118
 119             // At this point the OVSDB topology must not be present in either tree
 120             assertFalse(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.CONFIGURATION,
 121                     topologyIid).checkedGet().isPresent());
 122             assertFalse(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.OPERATIONAL,
 123                     topologyIid).checkedGet().isPresent());
 124
 125             // Become owner
 126             southboundProvider.handleOwnershipChange(new EntityOwnershipChange(entity, false, true, true));
 127
 128             // Now the OVSDB topology must be present in both trees
 129             assertTrue(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.CONFIGURATION,
 130                     topologyIid).checkedGet().isPresent());
 131             assertTrue(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.OPERATIONAL,
 132                     topologyIid).checkedGet().isPresent());
 133
 134             // Verify idempotency
 135             southboundProvider.handleOwnershipChange(new EntityOwnershipChange(entity, false, true, true));
 136
 137             // The OVSDB topology must be present in both trees
 138             assertTrue(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.CONFIGURATION,
 139                     topologyIid).checkedGet().isPresent());
 140             assertTrue(getDataBroker().newReadOnlyTransaction().read(LogicalDatastoreType.OPERATIONAL,
 141                     topologyIid).checkedGet().isPresent());
 142         }
 143     }
 144 }