data/yang-data-impl/src/test/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/Bug5968MergeTest.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 import static org.junit.Assert.fail;
  12
  13 import com.google.common.collect.ImmutableMap;
  14 import org.junit.AfterClass;
  15 import org.junit.BeforeClass;
  16 import org.junit.Test;
  17 import org.opendaylight.yangtools.yang.common.QName;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  21 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  22 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  23 import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.builder.CollectionNodeBuilder;
  25 import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
  26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  31 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  32 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  33 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  34
  35 public class Bug5968MergeTest {
  36     private static final String NS = "bug5968";
  37     private static final String REV = "2016-07-28";
  38     private static final QName ROOT = QName.create(NS, REV, "root");
  39     private static final QName MY_LIST = QName.create(NS, REV, "my-list");
  40     private static final QName LIST_ID = QName.create(NS, REV, "list-id");
  41     private static final QName MANDATORY_LEAF = QName.create(NS, REV, "mandatory-leaf");
  42     private static final QName COMMON_LEAF = QName.create(NS, REV, "common-leaf");
  43     private static EffectiveModelContext SCHEMA_CONTEXT;
  44
  45     @BeforeClass
  46     public static void beforeClass() {
  47         SCHEMA_CONTEXT = TestModel.createTestContext("/bug5968.yang");
  48     }
  49
  50     @AfterClass
  51     public static void afterClass() {
  52         SCHEMA_CONTEXT = null;
  53     }
  54
  55     private static DataTree initDataTree(final EffectiveModelContext schemaContext, final boolean withMapNode)
  56             throws DataValidationFailedException {
  57         final DataTree inMemoryDataTree = new InMemoryDataTreeFactory().create(
  58                 DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
  59
  60         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
  61                 .withNodeIdentifier(new NodeIdentifier(ROOT));
  62         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
  63         modificationTree.merge(
  64                 YangInstanceIdentifier.of(ROOT),
  65                 withMapNode ? root.withChild(
  66                         Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST)).build()).build() : root
  67                         .build());
  68         modificationTree.ready();
  69
  70         inMemoryDataTree.validate(modificationTree);
  71         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
  72         inMemoryDataTree.commit(prepare);
  73
  74         return inMemoryDataTree;
  75     }
  76
  77     private static DataTree emptyDataTree(final EffectiveModelContext schemaContext)
  78             throws DataValidationFailedException {
  79         return new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
  80     }
  81
  82     @Test
  83     public void mergeInvalidContainerTest() throws DataValidationFailedException {
  84         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
  85
  86         final SystemMapNode myList = createMap(true);
  87         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
  88                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
  89
  90         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
  91         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
  92
  93         try {
  94             modificationTree.ready();
  95             inMemoryDataTree.validate(modificationTree);
  96             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
  97             inMemoryDataTree.commit(prepare);
  98             fail("Should fail due to missing mandatory leaf.");
  99         } catch (final IllegalArgumentException e) {
 100             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 101                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 102         }
 103     }
 104
 105     @Test
 106     public void mergeInvalidMapTest() throws DataValidationFailedException {
 107         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 108         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 109         mergeMap(modificationTree, true);
 110
 111         try {
 112             modificationTree.ready();
 113             inMemoryDataTree.validate(modificationTree);
 114             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 115             inMemoryDataTree.commit(prepare);
 116             fail("Should fail due to missing mandatory leaf.");
 117         } catch (final IllegalArgumentException e) {
 118             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 119                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 120         }
 121     }
 122
 123     @Test
 124     public void mergeInvalidMapEntryTest() throws DataValidationFailedException {
 125         final DataTree inMemoryDataTree = initDataTree(SCHEMA_CONTEXT, true);
 126         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 127
 128         mergeMapEntry(modificationTree, "1", null, "common-value");
 129
 130         try {
 131             modificationTree.ready();
 132             inMemoryDataTree.validate(modificationTree);
 133             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 134             inMemoryDataTree.commit(prepare);
 135             fail("Should fail due to missing mandatory leaf.");
 136         } catch (final IllegalArgumentException e) {
 137             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 138                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 139         }
 140     }
 141
 142     private static void mergeMap(final DataTreeModification modificationTree,
 143             final boolean mandatoryDataMissing) throws DataValidationFailedException {
 144         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMap(mandatoryDataMissing));
 145     }
 146
 147     private static SystemMapNode createMap(final boolean mandatoryDataMissing) throws DataValidationFailedException {
 148         return Builders.mapBuilder()
 149             .withNodeIdentifier(new NodeIdentifier(MY_LIST))
 150             .withChild(mandatoryDataMissing ? createMapEntry("1", "common-value")
 151                 : createMapEntry("1", "mandatory-value", "common-value"))
 152             .build();
 153     }
 154
 155     private static void mergeMapEntry(final DataTreeModification modificationTree, final Object listIdValue,
 156             final Object mandatoryLeafValue, final Object commonLeafValue) throws DataValidationFailedException {
 157         final MapEntryNode taskEntryNode = mandatoryLeafValue == null ? createMapEntry(listIdValue, commonLeafValue)
 158                 : createMapEntry(listIdValue, mandatoryLeafValue, commonLeafValue);
 159
 160         modificationTree.merge(
 161                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 162                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue))),
 163                 taskEntryNode);
 164     }
 165
 166     private static MapEntryNode createMapEntry(final Object listIdValue, final Object mandatoryLeafValue,
 167             final Object commonLeafValue) throws DataValidationFailedException {
 168         return Builders.mapEntryBuilder()
 169                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 170                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 171                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue))
 172                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 173     }
 174
 175     private static MapEntryNode createMapEntry(final Object listIdValue, final Object commonLeafValue)
 176             throws DataValidationFailedException {
 177         return Builders.mapEntryBuilder()
 178                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 179                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 180                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 181     }
 182
 183     private static MapEntryNode createMapEntryM(final Object listIdValue, final Object mandatoryLeafValue)
 184             throws DataValidationFailedException {
 185         return Builders.mapEntryBuilder()
 186                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 187                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 188                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue)).build();
 189     }
 190
 191     @Test
 192     public void mergeValidContainerTest() throws DataValidationFailedException {
 193         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 194
 195         final SystemMapNode myList = createMap(false);
 196         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
 197                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
 198
 199         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 200         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
 201         modificationTree.ready();
 202         inMemoryDataTree.validate(modificationTree);
 203         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 204         inMemoryDataTree.commit(prepare);
 205     }
 206
 207     @Test
 208     public void mergeValidMapTest() throws DataValidationFailedException {
 209         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 210         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 211         mergeMap(modificationTree, false);
 212
 213         modificationTree.ready();
 214         inMemoryDataTree.validate(modificationTree);
 215         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 216         inMemoryDataTree.commit(prepare);
 217     }
 218
 219     @Test
 220     public void mergeValidMapEntryTest() throws DataValidationFailedException {
 221         final DataTree inMemoryDataTree = initDataTree(SCHEMA_CONTEXT, true);
 222         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 223
 224         mergeMapEntry(modificationTree, "1", "mandatory-value", "common-value");
 225
 226         modificationTree.ready();
 227         inMemoryDataTree.validate(modificationTree);
 228         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 229         inMemoryDataTree.commit(prepare);
 230     }
 231
 232     @Test
 233     public void validMultiStepsMergeTest() throws DataValidationFailedException {
 234         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 235         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 236
 237         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 238         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 239         modificationTree.merge(
 240                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 241                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 242                 createEmptyMapEntryBuilder("1").build());
 243         modificationTree.merge(
 244                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 245                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 246                 createMapEntry("1", "mandatory-value", "common-value"));
 247
 248         modificationTree.ready();
 249         inMemoryDataTree.validate(modificationTree);
 250         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 251         inMemoryDataTree.commit(prepare);
 252     }
 253
 254     @Test
 255     public void invalidMultiStepsMergeTest() throws DataValidationFailedException {
 256         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 257         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 258
 259         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 260         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 261         modificationTree.merge(
 262                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 263                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 264                 createEmptyMapEntryBuilder("1").build());
 265         modificationTree.merge(
 266                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 267                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 268                 createMapEntry("1", "common-value"));
 269
 270         try {
 271             modificationTree.ready();
 272             inMemoryDataTree.validate(modificationTree);
 273             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 274             inMemoryDataTree.commit(prepare);
 275             fail("Should fail due to missing mandatory leaf.");
 276         } catch (final IllegalArgumentException e) {
 277             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 278                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 279         }
 280     }
 281
 282     private static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> createEmptyMapEntryBuilder(
 283             final Object listIdValue) throws DataValidationFailedException {
 284         return Builders.mapEntryBuilder()
 285                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 286                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue));
 287     }
 288
 289     private static CollectionNodeBuilder<MapEntryNode, SystemMapNode> createMapBuilder() {
 290         return Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST));
 291     }
 292
 293     private static DataContainerNodeBuilder<NodeIdentifier, ContainerNode> createContainerBuilder() {
 294         return Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(ROOT));
 295     }
 296
 297     @Test
 298     public void validMultiStepsWriteAndMergeTest() throws DataValidationFailedException {
 299         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 300         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 301
 302         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 303         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 304         modificationTree.merge(
 305                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 306                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 307                 createEmptyMapEntryBuilder("1").build());
 308         modificationTree.merge(
 309                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 310                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 311                 createMapEntry("1", "mandatory-value", "common-value"));
 312
 313         modificationTree.ready();
 314         inMemoryDataTree.validate(modificationTree);
 315         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 316         inMemoryDataTree.commit(prepare);
 317     }
 318
 319     @Test
 320     public void invalidMultiStepsWriteAndMergeTest() throws DataValidationFailedException {
 321         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 322         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 323
 324         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 325         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 326         modificationTree.merge(
 327                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 328                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 329                 createEmptyMapEntryBuilder("1").build());
 330         modificationTree.merge(
 331                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 332                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 333                 createMapEntry("1", "common-value"));
 334
 335         try {
 336             modificationTree.ready();
 337             inMemoryDataTree.validate(modificationTree);
 338             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 339             inMemoryDataTree.commit(prepare);
 340             fail("Should fail due to missing mandatory leaf.");
 341         } catch (final IllegalArgumentException e) {
 342             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 343                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 344         }
 345     }
 346
 347     @Test
 348     public void validMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 349         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 350         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 351
 352         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 353         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 354         modificationTree.merge(
 355                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 356                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 357                 createEmptyMapEntryBuilder("1").build());
 358         modificationTree.merge(
 359                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 360                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 361                 createMapEntryM("1", "mandatory-value"));
 362
 363         modificationTree.ready();
 364         inMemoryDataTree.validate(modificationTree);
 365         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 366         inMemoryDataTree.commit(prepare);
 367
 368         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 369         modificationTree2.merge(
 370                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 371                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 372                 createMapEntry("1", "common-value"));
 373         modificationTree2.ready();
 374         inMemoryDataTree.validate(modificationTree2);
 375         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 376         inMemoryDataTree.commit(prepare2);
 377     }
 378
 379     @Test
 380     public void invalidMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 381         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 382         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 383
 384         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 385         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 386         modificationTree.merge(
 387                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 388                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 389                 createEmptyMapEntryBuilder("1").build());
 390         modificationTree.merge(
 391                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 392                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 393                 createMapEntryM("1", "mandatory-value"));
 394
 395         modificationTree.ready();
 396         inMemoryDataTree.validate(modificationTree);
 397         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 398         inMemoryDataTree.commit(prepare);
 399
 400         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 401         modificationTree2.write(
 402                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 403                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 404                 createMapEntry("1", "common-value"));
 405         modificationTree2.merge(
 406                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 407                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 408                 createMapEntryM("1", "mandatory-value"));
 409         modificationTree2.merge(
 410                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 411                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "2"))),
 412                 createMapEntry("2", "common-value"));
 413         try {
 414             modificationTree2.ready();
 415             inMemoryDataTree.validate(modificationTree2);
 416             final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 417             inMemoryDataTree.commit(prepare2);
 418             fail("Should fail due to missing mandatory leaf.");
 419         } catch (final IllegalArgumentException e) {
 420             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=2}] is "
 421                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 422         }
 423     }
 424
 425     /*
 426      * This test consists of two transactions (i.e. data tree modifications) on
 427      * empty data tree. The first one writes mandatory data and second one
 428      * writes common data without any mandatory data.
 429      */
 430     @Test
 431     public void validMapEntryMultiCommitMergeTest2() throws DataValidationFailedException {
 432         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 433         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 434         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 435
 436         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 437         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 438         modificationTree.merge(
 439                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 440                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 441                 createEmptyMapEntryBuilder("1").build());
 442         modificationTree.merge(
 443                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 444                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 445                 createMapEntryM("1", "mandatory-value"));
 446
 447         modificationTree.ready();
 448         inMemoryDataTree.validate(modificationTree);
 449         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 450         inMemoryDataTree.commit(prepare);
 451
 452         modificationTree2.merge(
 453                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 454                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 455                 createMapEntry("1", "common-value"));
 456         modificationTree2.ready();
 457         inMemoryDataTree.validate(modificationTree2);
 458         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 459         inMemoryDataTree.commit(prepare2);
 460     }
 461 }