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