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.MetadataShardDataTreeSnapshot;
  21 import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
  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 extends AbstractTest {
  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         final Shard mockShard = Mockito.mock(Shard.class);
  49
  50         peopleDataTree = new ShardDataTree(mockShard, peopleSchemaContext, TreeType.OPERATIONAL);
  51     }
  52
  53     @Deprecated
  54     @Test
  55     public void testAppendRecoveredLogEntryDataTreeCandidatePayload() {
  56         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  57                 null, "foobar", LoggerFactory.getLogger("foo"));
  58         coordinator.startLogRecoveryBatch(10);
  59         try {
  60             coordinator.appendRecoveredLogEntry(DataTreeCandidatePayload.create(createCar()));
  61         } catch (final SchemaValidationFailedException e) {
  62             fail("SchemaValidationFailedException should not happen if pruning is done");
  63         }
  64
  65         coordinator.applyCurrentLogRecoveryBatch();
  66     }
  67
  68     @Test
  69     public void testAppendRecoveredLogEntryCommitTransactionPayload() throws IOException {
  70         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  71                 null, "foobar", LoggerFactory.getLogger("foo"));
  72         coordinator.startLogRecoveryBatch(10);
  73         try {
  74             coordinator.appendRecoveredLogEntry(CommitTransactionPayload.create(nextTransactionId(), createCar()));
  75         } catch (final SchemaValidationFailedException e) {
  76             fail("SchemaValidationFailedException should not happen if pruning is done");
  77         }
  78
  79         coordinator.applyCurrentLogRecoveryBatch();
  80     }
  81
  82     @Test
  83     public void testApplyRecoverySnapshot() {
  84         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  85                 null, "foobar", LoggerFactory.getLogger("foo"));
  86         coordinator.startLogRecoveryBatch(10);
  87
  88         coordinator.applyRecoverySnapshot(createSnapshot());
  89
  90         assertEquals(false, readCars(peopleDataTree).isPresent());
  91         assertEquals(true, readPeople(peopleDataTree).isPresent());
  92     }
  93
  94
  95     @Test
  96     public void testApplyCurrentLogRecoveryBatch() {
  97         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  98                 null, "foobar", LoggerFactory.getLogger("foo"));
  99         coordinator.startLogRecoveryBatch(10);
 100
 101         try {
 102             coordinator.applyCurrentLogRecoveryBatch();
 103         } catch (final IllegalArgumentException e) {
 104             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
 105         }
 106     }
 107
 108     private DataTreeCandidateTip createCar() {
 109         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 110         dataTree.setSchemaContext(carsSchemaContext);
 111
 112         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 113
 114         final DataTreeModification modification = snapshot.newModification();
 115
 116         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 117         modification.ready();
 118         return dataTree.prepare(modification);
 119     }
 120
 121     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree) {
 122         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 123         // FIXME: this should not be called here
 124         dataTree.setSchemaContext(peopleSchemaContext);
 125
 126         return shardDataTree.readNode(CarsModel.BASE_PATH);
 127     }
 128
 129     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
 130         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 131         // FIXME: this should not be called here
 132         dataTree.setSchemaContext(peopleSchemaContext);
 133
 134         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 135     }
 136
 137     private static ShardSnapshotState createSnapshot() {
 138         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 139         dataTree.setSchemaContext(SchemaContextHelper.select(SchemaContextHelper.CARS_YANG,
 140                 SchemaContextHelper.PEOPLE_YANG));
 141
 142         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 143
 144         DataTreeModification modification = snapshot.newModification();
 145
 146         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 147         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 148         modification.ready();
 149         dataTree.commit(dataTree.prepare(modification));
 150
 151         return new ShardSnapshotState(new MetadataShardDataTreeSnapshot(dataTree.takeSnapshot().readNode(
 152                 YangInstanceIdentifier.EMPTY).get()));
 153     }
 154 }