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