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.MutableCompositeModification;
  18 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
  19 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
  20 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
  21 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
  22 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  23 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
  24 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
  31 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  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, TreeType.OPERATIONAL);
  49     }
  50
  51     @Test
  52     public void testAppendRecoveredLogEntryDataTreeCandidatePayload(){
  53         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  54                 peopleSchemaContext, null, "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 testAppendRecoveredLogEntryCompositeModificationPayload() throws IOException {
  67         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  68                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  69         coordinator.startLogRecoveryBatch(10);
  70         try {
  71             final MutableCompositeModification modification  = new MutableCompositeModification((short) 1);
  72             modification.addModification(new WriteModification(CarsModel.BASE_PATH, CarsModel.create()));
  73             coordinator.appendRecoveredLogEntry(new CompositeModificationPayload(modification.toSerializable()));
  74         } catch(final SchemaValidationFailedException e){
  75             fail("SchemaValidationFailedException should not happen if pruning is done");
  76         }
  77     }
  78
  79     @Test
  80     public void testAppendRecoveredLogEntryCompositeModificationByteStringPayload() throws IOException {
  81         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  82                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  83         coordinator.startLogRecoveryBatch(10);
  84         try {
  85             final MutableCompositeModification modification  = new MutableCompositeModification((short) 1);
  86             modification.addModification(new WriteModification(CarsModel.BASE_PATH, CarsModel.create()));
  87             coordinator.appendRecoveredLogEntry(new CompositeModificationByteStringPayload(modification.toSerializable()));
  88         } catch(final SchemaValidationFailedException e){
  89             fail("SchemaValidationFailedException should not happen if pruning is done");
  90         }
  91
  92         assertEquals(false, readCars(peopleDataTree).isPresent());
  93     }
  94
  95     @Test
  96     public void testApplyRecoverySnapshot(){
  97         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  98                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  99         coordinator.startLogRecoveryBatch(10);
 100
 101         coordinator.applyRecoverySnapshot(createSnapshot());
 102
 103         assertEquals(false, readCars(peopleDataTree).isPresent());
 104         assertEquals(true, readPeople(peopleDataTree).isPresent());
 105     }
 106
 107
 108     @Test
 109     public void testApplyCurrentLogRecoveryBatch(){
 110         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
 111                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
 112         coordinator.startLogRecoveryBatch(10);
 113
 114         try {
 115             coordinator.applyCurrentLogRecoveryBatch();
 116         } catch(final IllegalArgumentException e){
 117             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
 118         }
 119     }
 120
 121     private DataTreeCandidateTip createCar(){
 122         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 123         dataTree.setSchemaContext(carsSchemaContext);
 124
 125         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 126
 127         final DataTreeModification modification = snapshot.newModification();
 128
 129         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 130         modification.ready();
 131         return dataTree.prepare(modification);
 132     }
 133
 134     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree){
 135         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 136         // FIXME: this should not be called here
 137         dataTree.setSchemaContext(peopleSchemaContext);
 138
 139         return shardDataTree.readNode(CarsModel.BASE_PATH);
 140     }
 141
 142     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree){
 143         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 144         // FIXME: this should not be called here
 145         dataTree.setSchemaContext(peopleSchemaContext);
 146
 147         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 148     }
 149
 150     private static byte[] createSnapshot(){
 151         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 152         dataTree.setSchemaContext(SchemaContextHelper.select(SchemaContextHelper.CARS_YANG, SchemaContextHelper.PEOPLE_YANG));
 153
 154         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 155
 156         DataTreeModification modification = snapshot.newModification();
 157
 158         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 159         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 160         modification.ready();
 161         final DataTreeCandidateTip prepare = dataTree.prepare(modification);
 162
 163         dataTree.commit(prepare);
 164
 165         snapshot = dataTree.takeSnapshot();
 166
 167         modification = snapshot.newModification();
 168
 169         final Optional<NormalizedNode<?, ?>> optional = modification.readNode(YangInstanceIdentifier.EMPTY);
 170
 171         final byte[] bytes = SerializationUtils.serializeNormalizedNode(optional.get());
 172
 173         return bytes;
 174
 175
 176     }
 177 }