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