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