opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardRecoveryCoordinatorTest.java

   1 /*
   2  * Copyright (c) 2015 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.cluster.datastore;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.fail;
  13 import com.google.common.base.Optional;
  14 import java.io.IOException;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.controller.cluster.datastore.modification.ModificationPayload;
  18 import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
  19 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
  20 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
  21 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
  22 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
  23 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  24 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
  25 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  31 import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
  32 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
  33 import org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaValidationFailedException;
  34 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  35 import org.slf4j.LoggerFactory;
  36
  37 public class ShardRecoveryCoordinatorTest {
  38
  39     private ShardDataTree peopleDataTree;
  40     private SchemaContext peopleSchemaContext;
  41     private SchemaContext carsSchemaContext;
  42
  43     @Before
  44     public void setUp(){
  45         peopleSchemaContext = SchemaContextHelper.select(SchemaContextHelper.PEOPLE_YANG);
  46         carsSchemaContext = SchemaContextHelper.select(SchemaContextHelper.CARS_YANG);
  47
  48         peopleDataTree = new ShardDataTree(peopleSchemaContext);
  49     }
  50
  51     @Test
  52     public void testAppendRecoveredLogEntryDataTreeCandidatePayload(){
  53         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree, peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
  54         coordinator.startLogRecoveryBatch(10);
  55         try {
  56             coordinator.appendRecoveredLogEntry(DataTreeCandidatePayload.create(createCar()));
  57         } catch(SchemaValidationFailedException e){
  58             fail("SchemaValidationFailedException should not happen if pruning is done");
  59         }
  60
  61         coordinator.applyCurrentLogRecoveryBatch();
  62     }
  63
  64     @Test
  65     public void testAppendRecoveredLogEntryModificationPayload() throws IOException {
  66         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree, peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
  67         coordinator.startLogRecoveryBatch(10);
  68         try {
  69             MutableCompositeModification modification  = new MutableCompositeModification((short) 1);
  70             modification.addModification(new WriteModification(CarsModel.BASE_PATH, CarsModel.create()));
  71             coordinator.appendRecoveredLogEntry(new ModificationPayload(modification));
  72         } catch(SchemaValidationFailedException e){
  73             fail("SchemaValidationFailedException should not happen if pruning is done");
  74         }
  75     }
  76
  77     @Test
  78     public void testAppendRecoveredLogEntryCompositeModificationPayload() throws IOException {
  79         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree, peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
  80         coordinator.startLogRecoveryBatch(10);
  81         try {
  82             MutableCompositeModification modification  = new MutableCompositeModification((short) 1);
  83             modification.addModification(new WriteModification(CarsModel.BASE_PATH, CarsModel.create()));
  84             coordinator.appendRecoveredLogEntry(new CompositeModificationPayload(modification.toSerializable()));
  85         } catch(SchemaValidationFailedException e){
  86             fail("SchemaValidationFailedException should not happen if pruning is done");
  87         }
  88     }
  89
  90     @Test
  91     public void testAppendRecoveredLogEntryCompositeModificationByteStringPayload() throws IOException {
  92         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree, peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
  93         coordinator.startLogRecoveryBatch(10);
  94         try {
  95             MutableCompositeModification modification  = new MutableCompositeModification((short) 1);
  96             modification.addModification(new WriteModification(CarsModel.BASE_PATH, CarsModel.create()));
  97             coordinator.appendRecoveredLogEntry(new CompositeModificationByteStringPayload(modification.toSerializable()));
  98         } catch(SchemaValidationFailedException e){
  99             fail("SchemaValidationFailedException should not happen if pruning is done");
 100         }
 101
 102         assertEquals(false, readCars(peopleDataTree).isPresent());
 103     }
 104
 105     @Test
 106     public void testApplyRecoverySnapshot(){
 107         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree , peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
 108         coordinator.startLogRecoveryBatch(10);
 109
 110         coordinator.applyRecoverySnapshot(createSnapshot());
 111
 112         assertEquals(false, readCars(peopleDataTree).isPresent());
 113         assertEquals(true, readPeople(peopleDataTree).isPresent());
 114     }
 115
 116
 117     @Test
 118     public void testApplyCurrentLogRecoveryBatch(){
 119         ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree, peopleSchemaContext, "foobar", LoggerFactory.getLogger("foo"));
 120         coordinator.startLogRecoveryBatch(10);
 121
 122         try {
 123             coordinator.applyCurrentLogRecoveryBatch();
 124         } catch(IllegalArgumentException e){
 125             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
 126         }
 127     }
 128
 129     private DataTreeCandidateTip createCar(){
 130         TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create();
 131         dataTree.setSchemaContext(carsSchemaContext);
 132
 133         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 134
 135         DataTreeModification modification = snapshot.newModification();
 136
 137         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 138
 139         return dataTree.prepare(modification);
 140     }
 141
 142     private Optional<NormalizedNode<?,?>> readCars(ShardDataTree shardDataTree){
 143         TipProducingDataTree dataTree = shardDataTree.getDataTree();
 144         dataTree.setSchemaContext(peopleSchemaContext);
 145
 146         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 147
 148         DataTreeModification modification = snapshot.newModification();
 149
 150         return modification.readNode(CarsModel.BASE_PATH);
 151     }
 152
 153     private Optional<NormalizedNode<?,?>> readPeople(ShardDataTree shardDataTree){
 154         TipProducingDataTree dataTree = shardDataTree.getDataTree();
 155         dataTree.setSchemaContext(peopleSchemaContext);
 156
 157         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 158
 159         DataTreeModification modification = snapshot.newModification();
 160
 161         return modification.readNode(PeopleModel.BASE_PATH);
 162     }
 163
 164
 165
 166     private byte[] createSnapshot(){
 167         TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create();
 168         dataTree.setSchemaContext(SchemaContextHelper.select(SchemaContextHelper.CARS_YANG, SchemaContextHelper.PEOPLE_YANG));
 169
 170         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 171
 172         DataTreeModification modification = snapshot.newModification();
 173
 174         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 175         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 176
 177         DataTreeCandidateTip prepare = dataTree.prepare(modification);
 178
 179         dataTree.commit(prepare);
 180
 181         snapshot = dataTree.takeSnapshot();
 182
 183         modification = snapshot.newModification();
 184
 185         Optional<NormalizedNode<?, ?>> optional = modification.readNode(YangInstanceIdentifier.EMPTY);
 186
 187         byte[] bytes = SerializationUtils.serializeNormalizedNode(optional.get());
 188
 189         return bytes;
 190
 191
 192     }
 193 }