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