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.persisted.CommitTransactionPayload;
  18 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
  19 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  20 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
  21 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  29 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
  30 import org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaValidationFailedException;
  31 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class ShardRecoveryCoordinatorTest extends AbstractTest {
  35
  36     private ShardDataTree peopleDataTree;
  37     private SchemaContext peopleSchemaContext;
  38     private SchemaContext carsSchemaContext;
  39
  40     @Before
  41     public void setUp(){
  42         peopleSchemaContext = SchemaContextHelper.select(SchemaContextHelper.PEOPLE_YANG);
  43         carsSchemaContext = SchemaContextHelper.select(SchemaContextHelper.CARS_YANG);
  44
  45         peopleDataTree = new ShardDataTree(peopleSchemaContext, TreeType.OPERATIONAL);
  46     }
  47
  48     @Deprecated
  49     @Test
  50     public void testAppendRecoveredLogEntryDataTreeCandidatePayload(){
  51         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  52                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  53         coordinator.startLogRecoveryBatch(10);
  54         try {
  55             coordinator.appendRecoveredLogEntry(DataTreeCandidatePayload.create(createCar()));
  56         } catch(final SchemaValidationFailedException e){
  57             fail("SchemaValidationFailedException should not happen if pruning is done");
  58         }
  59
  60         coordinator.applyCurrentLogRecoveryBatch();
  61     }
  62
  63     @Test
  64     public void testAppendRecoveredLogEntryCommitTransactionPayload() throws IOException {
  65         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  66                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  67         coordinator.startLogRecoveryBatch(10);
  68         try {
  69             coordinator.appendRecoveredLogEntry(CommitTransactionPayload.create(nextTransactionId(), createCar()));
  70         } catch(final SchemaValidationFailedException e){
  71             fail("SchemaValidationFailedException should not happen if pruning is done");
  72         }
  73
  74         coordinator.applyCurrentLogRecoveryBatch();
  75     }
  76
  77     @Test
  78     public void testApplyRecoverySnapshot(){
  79         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  80                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  81         coordinator.startLogRecoveryBatch(10);
  82
  83         coordinator.applyRecoverySnapshot(createSnapshot());
  84
  85         assertEquals(false, readCars(peopleDataTree).isPresent());
  86         assertEquals(true, readPeople(peopleDataTree).isPresent());
  87     }
  88
  89
  90     @Test
  91     public void testApplyCurrentLogRecoveryBatch(){
  92         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  93                 peopleSchemaContext, null, "foobar", LoggerFactory.getLogger("foo"));
  94         coordinator.startLogRecoveryBatch(10);
  95
  96         try {
  97             coordinator.applyCurrentLogRecoveryBatch();
  98         } catch(final IllegalArgumentException e){
  99             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
 100         }
 101     }
 102
 103     private DataTreeCandidateTip createCar(){
 104         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 105         dataTree.setSchemaContext(carsSchemaContext);
 106
 107         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 108
 109         final DataTreeModification modification = snapshot.newModification();
 110
 111         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 112         modification.ready();
 113         return dataTree.prepare(modification);
 114     }
 115
 116     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree){
 117         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 118         // FIXME: this should not be called here
 119         dataTree.setSchemaContext(peopleSchemaContext);
 120
 121         return shardDataTree.readNode(CarsModel.BASE_PATH);
 122     }
 123
 124     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree){
 125         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 126         // FIXME: this should not be called here
 127         dataTree.setSchemaContext(peopleSchemaContext);
 128
 129         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 130     }
 131
 132     private static byte[] createSnapshot(){
 133         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 134         dataTree.setSchemaContext(SchemaContextHelper.select(SchemaContextHelper.CARS_YANG, SchemaContextHelper.PEOPLE_YANG));
 135
 136         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 137
 138         DataTreeModification modification = snapshot.newModification();
 139
 140         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 141         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 142         modification.ready();
 143         final DataTreeCandidateTip prepare = dataTree.prepare(modification);
 144
 145         dataTree.commit(prepare);
 146
 147         snapshot = dataTree.takeSnapshot();
 148
 149         modification = snapshot.newModification();
 150
 151         final Optional<NormalizedNode<?, ?>> optional = modification.readNode(YangInstanceIdentifier.EMPTY);
 152
 153         final byte[] bytes = SerializationUtils.serializeNormalizedNode(optional.get());
 154
 155         return bytes;
 156     }
 157 }