BUG-2953 : Unable to read from datastore root with clustering enabled
[controller.git] / 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 import com.google.common.base.Optional;
14 import com.google.common.collect.Lists;
15 import com.google.common.util.concurrent.CheckedFuture;
16 import java.util.Collection;
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.controller.md.sal.common.api.data.ReadFailedException;
24 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
25 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
26 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
27 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
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.impl.schema.ImmutableNodes;
33 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
34
35 public class NormalizedNodeAggregatorTest {
36
37     @Test
38     public void testAggregate() throws InterruptedException, ExecutionException, ReadFailedException {
39         SchemaContext 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.builder().build(),
44                 Lists.newArrayList(
45                         Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode1, schemaContext)),
46                         Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode2, schemaContext))),
47                 schemaContext);
48
49
50         NormalizedNode<?,?> normalizedNode = optional.get();
51
52         assertTrue("Expect value to be a Collection", normalizedNode.getValue() instanceof Collection);
53
54         Collection<NormalizedNode<?,?>> collection = (Collection<NormalizedNode<?,?>>) normalizedNode.getValue();
55
56         for(NormalizedNode<?,?> node : collection){
57             assertTrue("Expected " + node + " to be a ContainerNode", node instanceof ContainerNode);
58         }
59
60         assertTrue("Child with QName = " + TestModel.TEST_QNAME + " not found",
61                 findChildWithQName(collection, TestModel.TEST_QNAME) != null);
62
63         assertEquals(expectedNode1, findChildWithQName(collection, TestModel.TEST_QNAME));
64
65         assertTrue("Child with QName = " + CarsModel.BASE_QNAME + " not found",
66                 findChildWithQName(collection, CarsModel.BASE_QNAME) != null);
67
68         assertEquals(expectedNode2, findChildWithQName(collection, CarsModel.BASE_QNAME));
69
70     }
71
72     public static NormalizedNode<?,?> getRootNode(NormalizedNode<?, ?> moduleNode, SchemaContext schemaContext) throws ReadFailedException, ExecutionException, InterruptedException {
73         InMemoryDOMDataStore store = new InMemoryDOMDataStore("test", Executors.newSingleThreadExecutor());
74         store.onGlobalContextUpdated(schemaContext);
75
76         DOMStoreWriteTransaction writeTransaction = store.newWriteOnlyTransaction();
77
78         writeTransaction.merge(YangInstanceIdentifier.builder().node(moduleNode.getNodeType()).build(), moduleNode);
79
80         DOMStoreThreePhaseCommitCohort ready = writeTransaction.ready();
81
82         ready.canCommit().get();
83         ready.preCommit().get();
84         ready.commit().get();
85
86         DOMStoreReadTransaction readTransaction = store.newReadOnlyTransaction();
87
88         CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read = readTransaction.read(YangInstanceIdentifier.builder().build());
89
90         Optional<NormalizedNode<?, ?>> nodeOptional = read.checkedGet();
91
92         return nodeOptional.get();
93     }
94
95     public static NormalizedNode<?,?> findChildWithQName(Collection<NormalizedNode<?, ?>> collection, QName qName) {
96         for(NormalizedNode<?,?> node : collection){
97             if(node.getNodeType().equals(qName)){
98                 return node;
99             }
100         }
101
102         return null;
103     }
104
105 }