opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/NormalizedNodeAggregatorTest.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.utils;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12
  13 import com.google.common.collect.ImmutableList;
  14 import com.google.common.util.concurrent.FluentFuture;
  15 import java.util.Collection;
  16 import java.util.Optional;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.Executors;
  19 import org.junit.Test;
  20 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  21 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  22 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  23 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  24 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  25 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
  26 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  27 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
  28 import org.opendaylight.yangtools.yang.common.QName;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  33 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  34 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  35
  36 public class NormalizedNodeAggregatorTest {
  37
  38     @Test
  39     public void testAggregate() throws InterruptedException, ExecutionException,
  40         DataValidationFailedException {
  41         EffectiveModelContext schemaContext = SchemaContextHelper.full();
  42         NormalizedNode<?, ?> expectedNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
  43         NormalizedNode<?, ?> expectedNode2 = ImmutableNodes.containerNode(CarsModel.CARS_QNAME);
  44
  45         Optional<NormalizedNode<?, ?>> optional = NormalizedNodeAggregator.aggregate(YangInstanceIdentifier.empty(),
  46                 ImmutableList.of(
  47                         Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode1, schemaContext)),
  48                         Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode2, schemaContext))),
  49                 schemaContext, LogicalDatastoreType.CONFIGURATION);
  50
  51
  52         NormalizedNode<?,?> normalizedNode = optional.get();
  53
  54         assertTrue("Expect value to be a Collection", normalizedNode.getValue() instanceof Collection);
  55
  56         @SuppressWarnings("unchecked")
  57         Collection<NormalizedNode<?,?>> collection = (Collection<NormalizedNode<?,?>>) normalizedNode.getValue();
  58
  59         for (NormalizedNode<?,?> node : collection) {
  60             assertTrue("Expected " + node + " to be a ContainerNode", node instanceof ContainerNode);
  61         }
  62
  63         assertTrue("Child with QName = " + TestModel.TEST_QNAME + " not found",
  64                 findChildWithQName(collection, TestModel.TEST_QNAME) != null);
  65
  66         assertEquals(expectedNode1, findChildWithQName(collection, TestModel.TEST_QNAME));
  67
  68         assertTrue("Child with QName = " + CarsModel.BASE_QNAME + " not found",
  69                 findChildWithQName(collection, CarsModel.BASE_QNAME) != null);
  70
  71         assertEquals(expectedNode2, findChildWithQName(collection, CarsModel.BASE_QNAME));
  72
  73     }
  74
  75     public static NormalizedNode<?, ?> getRootNode(final NormalizedNode<?, ?> moduleNode,
  76             final EffectiveModelContext schemaContext) throws ExecutionException, InterruptedException {
  77         try (InMemoryDOMDataStore store = new InMemoryDOMDataStore("test", Executors.newSingleThreadExecutor())) {
  78             store.onModelContextUpdated(schemaContext);
  79
  80             DOMStoreWriteTransaction writeTransaction = store.newWriteOnlyTransaction();
  81
  82             writeTransaction.merge(YangInstanceIdentifier.of(moduleNode.getNodeType()), moduleNode);
  83
  84             DOMStoreThreePhaseCommitCohort ready = writeTransaction.ready();
  85
  86             ready.canCommit().get();
  87             ready.preCommit().get();
  88             ready.commit().get();
  89
  90             DOMStoreReadTransaction readTransaction = store.newReadOnlyTransaction();
  91
  92             FluentFuture<Optional<NormalizedNode<?, ?>>> read = readTransaction.read(YangInstanceIdentifier.empty());
  93
  94             Optional<NormalizedNode<?, ?>> nodeOptional = read.get();
  95
  96             return nodeOptional.get();
  97         }
  98     }
  99
 100     public static NormalizedNode<?,?> findChildWithQName(final Collection<NormalizedNode<?, ?>> collection,
 101             final QName qname) {
 102         for (NormalizedNode<?, ?> node : collection) {
 103             if (node.getNodeType().equals(qname)) {
 104                 return node;
 105             }
 106         }
 107
 108         return null;
 109     }
 110 }