yang/yang-data-impl/src/test/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/StructuralApplyModificationTest.java

   1 /*
   2  * Copyright (c) 2016 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.yangtools.yang.data.impl.schema.tree;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import java.util.Optional;
  13 import org.junit.Before;
  14 import org.junit.Test;
  15 import org.opendaylight.yangtools.yang.common.QName;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  19 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  21 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  22 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  23 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  26 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  27 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  28
  29 public final class StructuralApplyModificationTest {
  30
  31     private DataTree inMemoryDataTree;
  32
  33     @Before
  34     public void setUp() {
  35         inMemoryDataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_CONFIGURATION);
  36         inMemoryDataTree.setSchemaContext(TestModel.createTestContext());
  37     }
  38
  39     @Test
  40     public void testMapNodeParentAutoCreateDelete() throws DataValidationFailedException {
  41         final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
  42
  43         // Prepare root
  44         final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.TEST_QNAME);
  45         addListEntryModification.write(YangInstanceIdentifier.create(rootContainerId),
  46             Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
  47
  48         final YangInstanceIdentifier.NodeIdentifierWithPredicates outerListEntryId =
  49             new YangInstanceIdentifier.NodeIdentifierWithPredicates(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1);
  50
  51         // Write list entry (MapEntryNode) without creating list parent (MapNode)
  52         final MapEntryNode outerListEntry = Builders.mapEntryBuilder().withNodeIdentifier(outerListEntryId).build();
  53         final YangInstanceIdentifier outerListParentPath = YangInstanceIdentifier.create(getNId(TestModel.TEST_QNAME),
  54             getNId(TestModel.OUTER_LIST_QNAME));
  55         final YangInstanceIdentifier outerListEntryPath = outerListParentPath.node(outerListEntryId);
  56         addListEntryModification.write(outerListEntryPath, outerListEntry);
  57
  58         addListEntryModification.ready();
  59         inMemoryDataTree.validate(addListEntryModification);
  60         inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
  61
  62         // Check list parent auto created
  63         assertNodeExistence(outerListParentPath, true);
  64
  65         // Now delete
  66         final DataTreeModification deleteListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
  67         deleteListEntryModification.delete(outerListEntryPath);
  68         deleteListEntryModification.ready();
  69         inMemoryDataTree.validate(deleteListEntryModification);
  70         inMemoryDataTree.commit(inMemoryDataTree.prepare(deleteListEntryModification));
  71
  72         // Check list parent auto deleted
  73         assertNodeExistence(outerListParentPath, false);
  74     }
  75
  76     @Test
  77     public void testMapNodeDirectEmptyWrite() {
  78         final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
  79
  80         // Prepare root container
  81         final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.TEST_QNAME);
  82         addListEntryModification.write(YangInstanceIdentifier.create(rootContainerId),
  83             Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
  84
  85         final YangInstanceIdentifier outerListParentPath = YangInstanceIdentifier.create(getNId(TestModel.TEST_QNAME),
  86             getNId(TestModel.OUTER_LIST_QNAME));
  87         addListEntryModification.merge(outerListParentPath, ImmutableNodes.mapNode(TestModel.OUTER_LIST_QNAME));
  88
  89         // Check empty map node auto deleted
  90         assertNodeExistence(outerListParentPath, false);
  91     }
  92
  93     @Test
  94     public void testNonPresenceContainerDirectEmptyWrite() throws DataValidationFailedException {
  95         final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
  96
  97         final YangInstanceIdentifier.NodeIdentifier rootContainerId = getNId(TestModel.NON_PRESENCE_QNAME);
  98         final YangInstanceIdentifier path = YangInstanceIdentifier.create(rootContainerId);
  99         addListEntryModification.write(path, Builders.containerBuilder().withNodeIdentifier(rootContainerId).build());
 100
 101         addListEntryModification.ready();
 102         inMemoryDataTree.validate(addListEntryModification);
 103         inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
 104
 105         // Check empty container auto deleted
 106         assertNodeExistence(path, false);
 107     }
 108
 109     @Test
 110     public void testNestedStrucutralNodes() throws DataValidationFailedException {
 111         final DataTreeModification addListEntryModification = inMemoryDataTree.takeSnapshot().newModification();
 112
 113         final YangInstanceIdentifier path = YangInstanceIdentifier.create(
 114             getNId(TestModel.NON_PRESENCE_QNAME),
 115             getNId(TestModel.DEEP_CHOICE_QNAME),
 116             getNId(TestModel.A_LIST_QNAME),
 117             getNId(TestModel.A_LIST_QNAME, TestModel.A_NAME_QNAME, "1")
 118         );
 119
 120         addListEntryModification.write(path,
 121             Builders.mapEntryBuilder()
 122                 .withNodeIdentifier(getNId(TestModel.A_LIST_QNAME, TestModel.A_NAME_QNAME, "1"))
 123                 .build());
 124
 125         addListEntryModification.ready();
 126         inMemoryDataTree.validate(addListEntryModification);
 127         inMemoryDataTree.commit(inMemoryDataTree.prepare(addListEntryModification));
 128
 129         // Check parent structure auto created
 130         assertNodeExistence(path, true);
 131         assertNodeExistence(YangInstanceIdentifier.create(getNId(TestModel.NON_PRESENCE_QNAME)), true);
 132         assertNodeExistence(YangInstanceIdentifier.create(
 133             getNId(TestModel.NON_PRESENCE_QNAME), getNId(TestModel.DEEP_CHOICE_QNAME)), true);
 134     }
 135
 136     private void assertNodeExistence(final YangInstanceIdentifier outerListParentPath, final boolean shouldBePresent) {
 137         final DataTreeSnapshot snapshotAfterCommits = inMemoryDataTree.takeSnapshot();
 138         final Optional<NormalizedNode<?, ?>> readNode = snapshotAfterCommits.readNode(outerListParentPath);
 139         assertEquals(readNode.isPresent(), shouldBePresent);
 140     }
 141
 142     private static NodeIdentifier getNId(final QName qname) {
 143         return YangInstanceIdentifier.NodeIdentifier.create(qname);
 144     }
 145
 146     private static NodeIdentifierWithPredicates getNId(final QName qname, final QName key, final String val) {
 147         return new NodeIdentifierWithPredicates(qname, key, val);
 148     }
 149 }