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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import static org.junit.Assert.assertFalse;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.junit.Assert.fail;
  13
  14 import java.io.IOException;
  15 import java.util.Optional;
  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.DataTree;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  31 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  32 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  33 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  34 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
  35 import org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaValidationFailedException;
  36 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class ShardRecoveryCoordinatorTest extends AbstractTest {
  41     private static final Logger FOO_LOGGER = LoggerFactory.getLogger("foo");
  42
  43     private ShardDataTree peopleDataTree;
  44     private EffectiveModelContext peopleSchemaContext;
  45     private EffectiveModelContext carsSchemaContext;
  46     private ShardRecoveryCoordinator coordinator;
  47
  48     @Before
  49     public void setUp() {
  50         peopleSchemaContext = SchemaContextHelper.select(SchemaContextHelper.PEOPLE_YANG);
  51         carsSchemaContext = SchemaContextHelper.select(SchemaContextHelper.CARS_YANG);
  52
  53         final Shard mockShard = Mockito.mock(Shard.class);
  54
  55         peopleDataTree = new ShardDataTree(mockShard, peopleSchemaContext, TreeType.OPERATIONAL);
  56         coordinator = ShardRecoveryCoordinator.create(peopleDataTree, "foobar", FOO_LOGGER);
  57         coordinator.startLogRecoveryBatch(10);
  58     }
  59
  60     @Test
  61     public void testAppendRecoveredLogEntryCommitTransactionPayload() throws IOException,
  62             DataValidationFailedException {
  63         try {
  64             coordinator.appendRecoveredLogEntry(CommitTransactionPayload.create(nextTransactionId(), createCar()));
  65         } catch (final SchemaValidationFailedException e) {
  66             fail("SchemaValidationFailedException should not happen if pruning is done");
  67         }
  68
  69         coordinator.applyCurrentLogRecoveryBatch();
  70     }
  71
  72     @Test
  73     public void testApplyRecoverySnapshot() throws DataValidationFailedException {
  74         coordinator.applyRecoverySnapshot(createSnapshot());
  75
  76         assertFalse(readCars(peopleDataTree).isPresent());
  77         assertTrue(readPeople(peopleDataTree).isPresent());
  78     }
  79
  80
  81     @Test
  82     public void testApplyCurrentLogRecoveryBatch() {
  83         try {
  84             coordinator.applyCurrentLogRecoveryBatch();
  85         } catch (final IllegalArgumentException e) {
  86             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
  87         }
  88     }
  89
  90     private DataTreeCandidate createCar() throws DataValidationFailedException {
  91         final DataTree dataTree = new InMemoryDataTreeFactory().create(
  92             DataTreeConfiguration.DEFAULT_OPERATIONAL, carsSchemaContext);
  93
  94         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
  95
  96         final DataTreeModification modification = snapshot.newModification();
  97
  98         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
  99         modification.ready();
 100         return dataTree.prepare(modification);
 101     }
 102
 103     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree) {
 104         final DataTree dataTree = shardDataTree.getDataTree();
 105         // FIXME: this should not be called here
 106         dataTree.setEffectiveModelContext(peopleSchemaContext);
 107
 108         return shardDataTree.readNode(CarsModel.BASE_PATH);
 109     }
 110
 111     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
 112         final DataTree dataTree = shardDataTree.getDataTree();
 113         // FIXME: this should not be called here
 114         dataTree.setEffectiveModelContext(peopleSchemaContext);
 115
 116         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 117     }
 118
 119     private static ShardSnapshotState createSnapshot() throws DataValidationFailedException {
 120         final DataTree dataTree = new InMemoryDataTreeFactory().create(
 121             DataTreeConfiguration.DEFAULT_OPERATIONAL, SchemaContextHelper.select(SchemaContextHelper.CARS_YANG,
 122                 SchemaContextHelper.PEOPLE_YANG));
 123
 124         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 125
 126         DataTreeModification modification = snapshot.newModification();
 127
 128         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 129         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 130         modification.ready();
 131         dataTree.commit(dataTree.prepare(modification));
 132
 133         return new ShardSnapshotState(new MetadataShardDataTreeSnapshot(dataTree.takeSnapshot().readNode(
 134                 YangInstanceIdentifier.empty()).get()));
 135     }
 136 }