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.assertFalse;
  12 import static org.junit.Assert.assertTrue;
  13 import static org.junit.Assert.fail;
  14
  15 import com.google.common.base.Optional;
  16 import java.io.IOException;
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.mockito.Mockito;
  20 import org.opendaylight.controller.cluster.datastore.persisted.CommitTransactionPayload;
  21 import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
  22 import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
  23 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  24 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
  25 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  31 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  32 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  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.SchemaContext;
  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 SchemaContext peopleSchemaContext;
  45     private SchemaContext 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         try {
  63             coordinator.appendRecoveredLogEntry(CommitTransactionPayload.create(nextTransactionId(), createCar()));
  64         } catch (final SchemaValidationFailedException e) {
  65             fail("SchemaValidationFailedException should not happen if pruning is done");
  66         }
  67
  68         coordinator.applyCurrentLogRecoveryBatch();
  69     }
  70
  71     @Test
  72     public void testApplyRecoverySnapshot() {
  73         coordinator.applyRecoverySnapshot(createSnapshot());
  74
  75         assertFalse(readCars(peopleDataTree).isPresent());
  76         assertTrue(readPeople(peopleDataTree).isPresent());
  77     }
  78
  79
  80     @Test
  81     public void testApplyCurrentLogRecoveryBatch() {
  82         try {
  83             coordinator.applyCurrentLogRecoveryBatch();
  84         } catch (final IllegalArgumentException e) {
  85             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
  86         }
  87     }
  88
  89     private DataTreeCandidate createCar() {
  90         final DataTree dataTree = new InMemoryDataTreeFactory().create(
  91             DataTreeConfiguration.DEFAULT_OPERATIONAL, carsSchemaContext);
  92
  93         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
  94
  95         final DataTreeModification modification = snapshot.newModification();
  96
  97         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
  98         modification.ready();
  99         return dataTree.prepare(modification);
 100     }
 101
 102     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree) {
 103         final DataTree dataTree = shardDataTree.getDataTree();
 104         // FIXME: this should not be called here
 105         dataTree.setSchemaContext(peopleSchemaContext);
 106
 107         return shardDataTree.readNode(CarsModel.BASE_PATH);
 108     }
 109
 110     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
 111         final DataTree dataTree = shardDataTree.getDataTree();
 112         // FIXME: this should not be called here
 113         dataTree.setSchemaContext(peopleSchemaContext);
 114
 115         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 116     }
 117
 118     private static ShardSnapshotState createSnapshot() {
 119         final DataTree dataTree = new InMemoryDataTreeFactory().create(
 120             DataTreeConfiguration.DEFAULT_OPERATIONAL, SchemaContextHelper.select(SchemaContextHelper.CARS_YANG,
 121                 SchemaContextHelper.PEOPLE_YANG));
 122
 123         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 124
 125         DataTreeModification modification = snapshot.newModification();
 126
 127         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 128         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 129         modification.ready();
 130         dataTree.commit(dataTree.prepare(modification));
 131
 132         return new ShardSnapshotState(new MetadataShardDataTreeSnapshot(dataTree.takeSnapshot().readNode(
 133                 YangInstanceIdentifier.EMPTY).get()));
 134     }
 135 }