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     @Test
  54     public void testAppendRecoveredLogEntryCommitTransactionPayload() throws IOException {
  55         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  56                 null, "foobar", LoggerFactory.getLogger("foo"));
  57         coordinator.startLogRecoveryBatch(10);
  58         try {
  59             coordinator.appendRecoveredLogEntry(CommitTransactionPayload.create(nextTransactionId(), 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 testApplyRecoverySnapshot() {
  69         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  70                 null, "foobar", LoggerFactory.getLogger("foo"));
  71         coordinator.startLogRecoveryBatch(10);
  72
  73         coordinator.applyRecoverySnapshot(createSnapshot());
  74
  75         assertEquals(false, readCars(peopleDataTree).isPresent());
  76         assertEquals(true, readPeople(peopleDataTree).isPresent());
  77     }
  78
  79
  80     @Test
  81     public void testApplyCurrentLogRecoveryBatch() {
  82         final ShardRecoveryCoordinator coordinator = new ShardRecoveryCoordinator(peopleDataTree,
  83                 null, "foobar", LoggerFactory.getLogger("foo"));
  84         coordinator.startLogRecoveryBatch(10);
  85
  86         try {
  87             coordinator.applyCurrentLogRecoveryBatch();
  88         } catch (final IllegalArgumentException e) {
  89             fail("IllegalArgumentException should not happen - if the pruning modification delegate is passed");
  90         }
  91     }
  92
  93     private DataTreeCandidateTip createCar() {
  94         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
  95         dataTree.setSchemaContext(carsSchemaContext);
  96
  97         final DataTreeSnapshot snapshot = dataTree.takeSnapshot();
  98
  99         final DataTreeModification modification = snapshot.newModification();
 100
 101         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 102         modification.ready();
 103         return dataTree.prepare(modification);
 104     }
 105
 106     private Optional<NormalizedNode<?,?>> readCars(final ShardDataTree shardDataTree) {
 107         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 108         // FIXME: this should not be called here
 109         dataTree.setSchemaContext(peopleSchemaContext);
 110
 111         return shardDataTree.readNode(CarsModel.BASE_PATH);
 112     }
 113
 114     private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
 115         final TipProducingDataTree dataTree = shardDataTree.getDataTree();
 116         // FIXME: this should not be called here
 117         dataTree.setSchemaContext(peopleSchemaContext);
 118
 119         return shardDataTree.readNode(PeopleModel.BASE_PATH);
 120     }
 121
 122     private static ShardSnapshotState createSnapshot() {
 123         final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
 124         dataTree.setSchemaContext(SchemaContextHelper.select(SchemaContextHelper.CARS_YANG,
 125                 SchemaContextHelper.PEOPLE_YANG));
 126
 127         DataTreeSnapshot snapshot = dataTree.takeSnapshot();
 128
 129         DataTreeModification modification = snapshot.newModification();
 130
 131         modification.merge(CarsModel.BASE_PATH, CarsModel.create());
 132         modification.merge(PeopleModel.BASE_PATH, PeopleModel.create());
 133         modification.ready();
 134         dataTree.commit(dataTree.prepare(modification));
 135
 136         return new ShardSnapshotState(new MetadataShardDataTreeSnapshot(dataTree.takeSnapshot().readNode(
 137                 YangInstanceIdentifier.EMPTY).get()));
 138     }
 139 }