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