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