yang/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.MapNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  27 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  29 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  30 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  31 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  32 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  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 MapNode 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         final MapNode myList = createMap(mandatoryDataMissing);
 145         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), myList);
 146     }
 147
 148     private static MapNode createMap(final boolean mandatoryDataMissing) throws DataValidationFailedException {
 149         return Builders
 150                 .mapBuilder()
 151                 .withNodeIdentifier(new NodeIdentifier(MY_LIST))
 152                 .withChild(
 153                         mandatoryDataMissing ? createMapEntry("1", "common-value") : createMapEntry("1",
 154                                 "mandatory-value", "common-value")).build();
 155     }
 156
 157     private static void mergeMapEntry(final DataTreeModification modificationTree, final Object listIdValue,
 158             final Object mandatoryLeafValue, final Object commonLeafValue) throws DataValidationFailedException {
 159         final MapEntryNode taskEntryNode = mandatoryLeafValue == null ? createMapEntry(listIdValue, commonLeafValue)
 160                 : createMapEntry(listIdValue, mandatoryLeafValue, commonLeafValue);
 161
 162         modificationTree.merge(
 163                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 164                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue))),
 165                 taskEntryNode);
 166     }
 167
 168     private static MapEntryNode createMapEntry(final Object listIdValue, final Object mandatoryLeafValue,
 169             final Object commonLeafValue) throws DataValidationFailedException {
 170         return Builders.mapEntryBuilder()
 171                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 172                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 173                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue))
 174                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 175     }
 176
 177     private static MapEntryNode createMapEntry(final Object listIdValue, final Object commonLeafValue)
 178             throws DataValidationFailedException {
 179         return Builders.mapEntryBuilder()
 180                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 181                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 182                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 183     }
 184
 185     private static MapEntryNode createMapEntryM(final Object listIdValue, final Object mandatoryLeafValue)
 186             throws DataValidationFailedException {
 187         return Builders.mapEntryBuilder()
 188                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 189                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 190                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue)).build();
 191     }
 192
 193     @Test
 194     public void mergeValidContainerTest() throws DataValidationFailedException {
 195         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 196
 197         final MapNode myList = createMap(false);
 198         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
 199                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
 200
 201         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 202         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
 203         modificationTree.ready();
 204         inMemoryDataTree.validate(modificationTree);
 205         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 206         inMemoryDataTree.commit(prepare);
 207     }
 208
 209     @Test
 210     public void mergeValidMapTest() throws DataValidationFailedException {
 211         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 212         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 213         mergeMap(modificationTree, false);
 214
 215         modificationTree.ready();
 216         inMemoryDataTree.validate(modificationTree);
 217         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 218         inMemoryDataTree.commit(prepare);
 219     }
 220
 221     @Test
 222     public void mergeValidMapEntryTest() throws DataValidationFailedException {
 223         final DataTree inMemoryDataTree = initDataTree(SCHEMA_CONTEXT, true);
 224         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 225
 226         mergeMapEntry(modificationTree, "1", "mandatory-value", "common-value");
 227
 228         modificationTree.ready();
 229         inMemoryDataTree.validate(modificationTree);
 230         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 231         inMemoryDataTree.commit(prepare);
 232     }
 233
 234     @Test
 235     public void validMultiStepsMergeTest() throws DataValidationFailedException {
 236         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 237         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 238
 239         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 240         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 241         modificationTree.merge(
 242                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 243                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 244                 createEmptyMapEntryBuilder("1").build());
 245         modificationTree.merge(
 246                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 247                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 248                 createMapEntry("1", "mandatory-value", "common-value"));
 249
 250         modificationTree.ready();
 251         inMemoryDataTree.validate(modificationTree);
 252         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 253         inMemoryDataTree.commit(prepare);
 254     }
 255
 256     @Test
 257     public void invalidMultiStepsMergeTest() throws DataValidationFailedException {
 258         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 259         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 260
 261         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 262         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 263         modificationTree.merge(
 264                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 265                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 266                 createEmptyMapEntryBuilder("1").build());
 267         modificationTree.merge(
 268                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 269                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 270                 createMapEntry("1", "common-value"));
 271
 272         try {
 273             modificationTree.ready();
 274             inMemoryDataTree.validate(modificationTree);
 275             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 276             inMemoryDataTree.commit(prepare);
 277             fail("Should fail due to missing mandatory leaf.");
 278         } catch (final IllegalArgumentException e) {
 279             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 280                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 281         }
 282     }
 283
 284     private static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> createEmptyMapEntryBuilder(
 285             final Object listIdValue) throws DataValidationFailedException {
 286         return Builders.mapEntryBuilder()
 287                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 288                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue));
 289     }
 290
 291     private static CollectionNodeBuilder<MapEntryNode, MapNode> createMapBuilder() {
 292         return Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST));
 293     }
 294
 295     private static DataContainerNodeBuilder<NodeIdentifier, ContainerNode> createContainerBuilder() {
 296         return Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(ROOT));
 297     }
 298
 299     @Test
 300     public void validMultiStepsWriteAndMergeTest() throws DataValidationFailedException {
 301         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 302         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 303
 304         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 305         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 306         modificationTree.merge(
 307                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 308                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 309                 createEmptyMapEntryBuilder("1").build());
 310         modificationTree.merge(
 311                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 312                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 313                 createMapEntry("1", "mandatory-value", "common-value"));
 314
 315         modificationTree.ready();
 316         inMemoryDataTree.validate(modificationTree);
 317         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 318         inMemoryDataTree.commit(prepare);
 319     }
 320
 321     @Test
 322     public void invalidMultiStepsWriteAndMergeTest() throws DataValidationFailedException {
 323         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 324         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 325
 326         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 327         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 328         modificationTree.merge(
 329                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 330                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 331                 createEmptyMapEntryBuilder("1").build());
 332         modificationTree.merge(
 333                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 334                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 335                 createMapEntry("1", "common-value"));
 336
 337         try {
 338             modificationTree.ready();
 339             inMemoryDataTree.validate(modificationTree);
 340             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 341             inMemoryDataTree.commit(prepare);
 342             fail("Should fail due to missing mandatory leaf.");
 343         } catch (final IllegalArgumentException e) {
 344             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 345                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 346         }
 347     }
 348
 349     @Test
 350     public void validMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 351         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 352         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 353
 354         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 355         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 356         modificationTree.merge(
 357                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 358                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 359                 createEmptyMapEntryBuilder("1").build());
 360         modificationTree.merge(
 361                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 362                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 363                 createMapEntryM("1", "mandatory-value"));
 364
 365         modificationTree.ready();
 366         inMemoryDataTree.validate(modificationTree);
 367         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 368         inMemoryDataTree.commit(prepare);
 369
 370         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 371         modificationTree2.merge(
 372                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 373                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 374                 createMapEntry("1", "common-value"));
 375         modificationTree2.ready();
 376         inMemoryDataTree.validate(modificationTree2);
 377         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 378         inMemoryDataTree.commit(prepare2);
 379     }
 380
 381     @Test
 382     public void invalidMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 383         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 384         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 385
 386         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 387         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 388         modificationTree.merge(
 389                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 390                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 391                 createEmptyMapEntryBuilder("1").build());
 392         modificationTree.merge(
 393                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 394                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 395                 createMapEntryM("1", "mandatory-value"));
 396
 397         modificationTree.ready();
 398         inMemoryDataTree.validate(modificationTree);
 399         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 400         inMemoryDataTree.commit(prepare);
 401
 402         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 403         modificationTree2.write(
 404                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 405                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 406                 createMapEntry("1", "common-value"));
 407         modificationTree2.merge(
 408                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 409                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 410                 createMapEntryM("1", "mandatory-value"));
 411         modificationTree2.merge(
 412                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 413                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "2"))),
 414                 createMapEntry("2", "common-value"));
 415         try {
 416             modificationTree2.ready();
 417             inMemoryDataTree.validate(modificationTree2);
 418             final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 419             inMemoryDataTree.commit(prepare2);
 420             fail("Should fail due to missing mandatory leaf.");
 421         } catch (final IllegalArgumentException e) {
 422             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=2}] is "
 423                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 424         }
 425     }
 426
 427     /*
 428      * This test consists of two transactions (i.e. data tree modifications) on
 429      * empty data tree. The first one writes mandatory data and second one
 430      * writes common data without any mandatory data.
 431      */
 432     @Test
 433     public void validMapEntryMultiCommitMergeTest2() throws DataValidationFailedException {
 434         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 435         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 436         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 437
 438         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 439         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 440         modificationTree.merge(
 441                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 442                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 443                 createEmptyMapEntryBuilder("1").build());
 444         modificationTree.merge(
 445                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 446                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 447                 createMapEntryM("1", "mandatory-value"));
 448
 449         modificationTree.ready();
 450         inMemoryDataTree.validate(modificationTree);
 451         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 452         inMemoryDataTree.commit(prepare);
 453
 454         modificationTree2.merge(
 455                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 456                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 457                 createMapEntry("1", "common-value"));
 458         modificationTree2.ready();
 459         inMemoryDataTree.validate(modificationTree2);
 460         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 461         inMemoryDataTree.commit(prepare2);
 462     }
 463 }