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