data/yang-data-tree-ri/src/test/java/org/opendaylight/yangtools/yang/data/tree/impl/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.tree.impl;
   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.impl.schema.Builders;
  27 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  28 import org.opendaylight.yangtools.yang.data.tree.api.DataTree;
  29 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
  30 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
  31 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
  32 import org.opendaylight.yangtools.yang.data.tree.api.DataValidationFailedException;
  33 import org.opendaylight.yangtools.yang.data.tree.impl.di.InMemoryDataTreeFactory;
  34 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  35 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  36
  37 public class Bug5968MergeTest {
  38     private static final String NS = "bug5968";
  39     private static final String REV = "2016-07-28";
  40     private static final QName ROOT = QName.create(NS, REV, "root");
  41     private static final QName MY_LIST = QName.create(NS, REV, "my-list");
  42     private static final QName LIST_ID = QName.create(NS, REV, "list-id");
  43     private static final QName MANDATORY_LEAF = QName.create(NS, REV, "mandatory-leaf");
  44     private static final QName COMMON_LEAF = QName.create(NS, REV, "common-leaf");
  45     private static EffectiveModelContext SCHEMA_CONTEXT;
  46
  47     @BeforeClass
  48     public static void beforeClass() {
  49         SCHEMA_CONTEXT = YangParserTestUtils.parseYang("""
  50             module bug5968 {
  51               yang-version 1;
  52               namespace bug5968;
  53               prefix bug5968;
  54
  55               revision 2016-07-28 {
  56                 description "test";
  57               }
  58
  59               container root {
  60                 list my-list {
  61                   key "list-id";
  62                   leaf list-id {
  63                     type string;
  64                   }
  65                   leaf mandatory-leaf {
  66                     type string;
  67                     mandatory true;
  68                   }
  69                   leaf common-leaf {
  70                     type string;
  71                   }
  72                 }
  73               }
  74             }""");
  75     }
  76
  77     @AfterClass
  78     public static void afterClass() {
  79         SCHEMA_CONTEXT = null;
  80     }
  81
  82     private static DataTree initDataTree(final EffectiveModelContext schemaContext, final boolean withMapNode)
  83             throws DataValidationFailedException {
  84         final DataTree inMemoryDataTree = new InMemoryDataTreeFactory().create(
  85                 DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
  86
  87         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
  88                 .withNodeIdentifier(new NodeIdentifier(ROOT));
  89         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
  90         modificationTree.merge(YangInstanceIdentifier.of(ROOT),
  91             withMapNode ? root.withChild(
  92                 Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST)).build()).build()
  93                 : root.build());
  94         modificationTree.ready();
  95
  96         inMemoryDataTree.validate(modificationTree);
  97         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
  98         inMemoryDataTree.commit(prepare);
  99
 100         return inMemoryDataTree;
 101     }
 102
 103     private static DataTree emptyDataTree(final EffectiveModelContext schemaContext)
 104             throws DataValidationFailedException {
 105         return new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
 106     }
 107
 108     @Test
 109     public void mergeInvalidContainerTest() throws DataValidationFailedException {
 110         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 111
 112         final SystemMapNode myList = createMap(true);
 113         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
 114                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
 115
 116         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 117         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
 118
 119         try {
 120             modificationTree.ready();
 121             inMemoryDataTree.validate(modificationTree);
 122             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 123             inMemoryDataTree.commit(prepare);
 124             fail("Should fail due to missing mandatory leaf.");
 125         } catch (final IllegalArgumentException e) {
 126             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 127                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 128         }
 129     }
 130
 131     @Test
 132     public void mergeInvalidMapTest() throws DataValidationFailedException {
 133         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 134         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 135         mergeMap(modificationTree, true);
 136
 137         try {
 138             modificationTree.ready();
 139             inMemoryDataTree.validate(modificationTree);
 140             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 141             inMemoryDataTree.commit(prepare);
 142             fail("Should fail due to missing mandatory leaf.");
 143         } catch (final IllegalArgumentException e) {
 144             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 145                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 146         }
 147     }
 148
 149     @Test
 150     public void mergeInvalidMapEntryTest() throws DataValidationFailedException {
 151         final DataTree inMemoryDataTree = initDataTree(SCHEMA_CONTEXT, true);
 152         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 153
 154         mergeMapEntry(modificationTree, "1", null, "common-value");
 155
 156         try {
 157             modificationTree.ready();
 158             inMemoryDataTree.validate(modificationTree);
 159             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 160             inMemoryDataTree.commit(prepare);
 161             fail("Should fail due to missing mandatory leaf.");
 162         } catch (final IllegalArgumentException e) {
 163             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 164                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 165         }
 166     }
 167
 168     private static void mergeMap(final DataTreeModification modificationTree,
 169             final boolean mandatoryDataMissing) throws DataValidationFailedException {
 170         modificationTree.merge(YangInstanceIdentifier.of(ROOT, MY_LIST), createMap(mandatoryDataMissing));
 171     }
 172
 173     private static SystemMapNode createMap(final boolean mandatoryDataMissing) throws DataValidationFailedException {
 174         return Builders.mapBuilder()
 175             .withNodeIdentifier(new NodeIdentifier(MY_LIST))
 176             .withChild(mandatoryDataMissing ? createMapEntry("1", "common-value")
 177                 : createMapEntry("1", "mandatory-value", "common-value"))
 178             .build();
 179     }
 180
 181     private static void mergeMapEntry(final DataTreeModification modificationTree, final Object listIdValue,
 182             final Object mandatoryLeafValue, final Object commonLeafValue) throws DataValidationFailedException {
 183         final MapEntryNode taskEntryNode = mandatoryLeafValue == null ? createMapEntry(listIdValue, commonLeafValue)
 184                 : createMapEntry(listIdValue, mandatoryLeafValue, commonLeafValue);
 185
 186         modificationTree.merge(
 187             YangInstanceIdentifier.of(ROOT, MY_LIST)
 188                 .node(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, listIdValue)),
 189             taskEntryNode);
 190     }
 191
 192     private static MapEntryNode createMapEntry(final Object listIdValue, final Object mandatoryLeafValue,
 193             final Object commonLeafValue) throws DataValidationFailedException {
 194         return Builders.mapEntryBuilder()
 195                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, listIdValue))
 196                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 197                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue))
 198                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 199     }
 200
 201     private static MapEntryNode createMapEntry(final Object listIdValue, final Object commonLeafValue)
 202             throws DataValidationFailedException {
 203         return Builders.mapEntryBuilder()
 204                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 205                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 206                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 207     }
 208
 209     private static MapEntryNode createMapEntryM(final Object listIdValue, final Object mandatoryLeafValue)
 210             throws DataValidationFailedException {
 211         return Builders.mapEntryBuilder()
 212                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 213                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 214                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue)).build();
 215     }
 216
 217     @Test
 218     public void mergeValidContainerTest() throws DataValidationFailedException {
 219         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 220
 221         final SystemMapNode myList = createMap(false);
 222         final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
 223                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
 224
 225         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 226         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
 227         modificationTree.ready();
 228         inMemoryDataTree.validate(modificationTree);
 229         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 230         inMemoryDataTree.commit(prepare);
 231     }
 232
 233     @Test
 234     public void mergeValidMapTest() throws DataValidationFailedException {
 235         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 236         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 237         mergeMap(modificationTree, false);
 238
 239         modificationTree.ready();
 240         inMemoryDataTree.validate(modificationTree);
 241         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 242         inMemoryDataTree.commit(prepare);
 243     }
 244
 245     @Test
 246     public void mergeValidMapEntryTest() throws DataValidationFailedException {
 247         final DataTree inMemoryDataTree = initDataTree(SCHEMA_CONTEXT, true);
 248         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 249
 250         mergeMapEntry(modificationTree, "1", "mandatory-value", "common-value");
 251
 252         modificationTree.ready();
 253         inMemoryDataTree.validate(modificationTree);
 254         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 255         inMemoryDataTree.commit(prepare);
 256     }
 257
 258     @Test
 259     public void validMultiStepsMergeTest() throws DataValidationFailedException {
 260         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 261         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 262
 263         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 264         modificationTree.merge(YangInstanceIdentifier.of(ROOT, MY_LIST), createMapBuilder().build());
 265         modificationTree.merge(
 266             YangInstanceIdentifier.of(ROOT, MY_LIST).node(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, "1")),
 267             createEmptyMapEntryBuilder("1").build());
 268         modificationTree.merge(
 269             YangInstanceIdentifier.of(ROOT, MY_LIST).node(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, "1")),
 270             createMapEntry("1", "mandatory-value", "common-value"));
 271
 272         modificationTree.ready();
 273         inMemoryDataTree.validate(modificationTree);
 274         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 275         inMemoryDataTree.commit(prepare);
 276     }
 277
 278     @Test
 279     public void invalidMultiStepsMergeTest() throws DataValidationFailedException {
 280         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 281         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 282
 283         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 284         modificationTree.merge(YangInstanceIdentifier.of(ROOT, MY_LIST), createMapBuilder().build());
 285         modificationTree.merge(
 286             YangInstanceIdentifier.of(ROOT, MY_LIST).node(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, "1")),
 287             createEmptyMapEntryBuilder("1").build());
 288         modificationTree.merge(
 289             YangInstanceIdentifier.of(ROOT, MY_LIST).node(NodeIdentifierWithPredicates.of(MY_LIST, LIST_ID, "1")),
 290             createMapEntry("1", "common-value"));
 291
 292         try {
 293             modificationTree.ready();
 294             inMemoryDataTree.validate(modificationTree);
 295             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 296             inMemoryDataTree.commit(prepare);
 297             fail("Should fail due to missing mandatory leaf.");
 298         } catch (final IllegalArgumentException e) {
 299             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 300                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 301         }
 302     }
 303
 304     private static DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> createEmptyMapEntryBuilder(
 305             final Object listIdValue) throws DataValidationFailedException {
 306         return Builders.mapEntryBuilder()
 307                 .withNodeIdentifier(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 308                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue));
 309     }
 310
 311     private static CollectionNodeBuilder<MapEntryNode, SystemMapNode> createMapBuilder() {
 312         return Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST));
 313     }
 314
 315     private static DataContainerNodeBuilder<NodeIdentifier, ContainerNode> createContainerBuilder() {
 316         return Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(ROOT));
 317     }
 318
 319     @Test
 320     public void validMultiStepsWriteAndMergeTest() 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", "mandatory-value", "common-value"));
 334
 335         modificationTree.ready();
 336         inMemoryDataTree.validate(modificationTree);
 337         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 338         inMemoryDataTree.commit(prepare);
 339     }
 340
 341     @Test
 342     public void invalidMultiStepsWriteAndMergeTest() throws DataValidationFailedException {
 343         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 344         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 345
 346         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 347         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 348         modificationTree.merge(
 349                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 350                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 351                 createEmptyMapEntryBuilder("1").build());
 352         modificationTree.merge(
 353                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 354                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 355                 createMapEntry("1", "common-value"));
 356
 357         try {
 358             modificationTree.ready();
 359             inMemoryDataTree.validate(modificationTree);
 360             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 361             inMemoryDataTree.commit(prepare);
 362             fail("Should fail due to missing mandatory leaf.");
 363         } catch (final IllegalArgumentException e) {
 364             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=1}] is "
 365                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 366         }
 367     }
 368
 369     @Test
 370     public void validMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 371         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 372         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 373
 374         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 375         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 376         modificationTree.merge(
 377                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 378                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 379                 createEmptyMapEntryBuilder("1").build());
 380         modificationTree.merge(
 381                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 382                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 383                 createMapEntryM("1", "mandatory-value"));
 384
 385         modificationTree.ready();
 386         inMemoryDataTree.validate(modificationTree);
 387         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 388         inMemoryDataTree.commit(prepare);
 389
 390         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 391         modificationTree2.merge(
 392                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 393                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 394                 createMapEntry("1", "common-value"));
 395         modificationTree2.ready();
 396         inMemoryDataTree.validate(modificationTree2);
 397         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 398         inMemoryDataTree.commit(prepare2);
 399     }
 400
 401     @Test
 402     public void invalidMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 403         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 404         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 405
 406         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 407         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 408         modificationTree.merge(
 409                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 410                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 411                 createEmptyMapEntryBuilder("1").build());
 412         modificationTree.merge(
 413                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 414                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 415                 createMapEntryM("1", "mandatory-value"));
 416
 417         modificationTree.ready();
 418         inMemoryDataTree.validate(modificationTree);
 419         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 420         inMemoryDataTree.commit(prepare);
 421
 422         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 423         modificationTree2.write(
 424                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 425                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 426                 createMapEntry("1", "common-value"));
 427         modificationTree2.merge(
 428                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 429                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 430                 createMapEntryM("1", "mandatory-value"));
 431         modificationTree2.merge(
 432                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 433                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "2"))),
 434                 createMapEntry("2", "common-value"));
 435         try {
 436             modificationTree2.ready();
 437             inMemoryDataTree.validate(modificationTree2);
 438             final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 439             inMemoryDataTree.commit(prepare2);
 440             fail("Should fail due to missing mandatory leaf.");
 441         } catch (final IllegalArgumentException e) {
 442             assertEquals("Node (bug5968?revision=2016-07-28)my-list[{(bug5968?revision=2016-07-28)list-id=2}] is "
 443                 + "missing mandatory descendant /(bug5968?revision=2016-07-28)mandatory-leaf", e.getMessage());
 444         }
 445     }
 446
 447     /*
 448      * This test consists of two transactions (i.e. data tree modifications) on
 449      * empty data tree. The first one writes mandatory data and second one
 450      * writes common data without any mandatory data.
 451      */
 452     @Test
 453     public void validMapEntryMultiCommitMergeTest2() throws DataValidationFailedException {
 454         final DataTree inMemoryDataTree = emptyDataTree(SCHEMA_CONTEXT);
 455         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 456         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 457
 458         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 459         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 460         modificationTree.merge(
 461                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 462                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 463                 createEmptyMapEntryBuilder("1").build());
 464         modificationTree.merge(
 465                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 466                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 467                 createMapEntryM("1", "mandatory-value"));
 468
 469         modificationTree.ready();
 470         inMemoryDataTree.validate(modificationTree);
 471         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 472         inMemoryDataTree.commit(prepare);
 473
 474         modificationTree2.merge(
 475                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 476                         .node(NodeIdentifierWithPredicates.of(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 477                 createMapEntry("1", "common-value"));
 478         modificationTree2.ready();
 479         inMemoryDataTree.validate(modificationTree2);
 480         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 481         inMemoryDataTree.commit(prepare2);
 482     }
 483 }