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.assertNotNull;
  12 import static org.junit.Assert.fail;
  13
  14 import com.google.common.collect.ImmutableMap;
  15 import org.junit.Before;
  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.DataContainerNodeAttrBuilder;
  33 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  34
  35 public class Bug5968MergeTest {
  36     private static final String NS = "foo";
  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 SchemaContext schemaContext;
  44
  45     @Before
  46     public void init() {
  47         this.schemaContext = TestModel.createTestContext("/bug5968/foo.yang");
  48         assertNotNull("Schema context must not be null.", this.schemaContext);
  49     }
  50
  51     private static DataTree initDataTree(final SchemaContext schemaContext, final boolean withMapNode)
  52             throws DataValidationFailedException {
  53         final DataTree inMemoryDataTree = new InMemoryDataTreeFactory().create(
  54                 DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
  55
  56         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
  57                 .withNodeIdentifier(new NodeIdentifier(ROOT));
  58         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
  59         modificationTree.merge(
  60                 YangInstanceIdentifier.of(ROOT),
  61                 withMapNode ? root.withChild(
  62                         Builders.mapBuilder().withNodeIdentifier(new NodeIdentifier(MY_LIST)).build()).build() : root
  63                         .build());
  64         modificationTree.ready();
  65
  66         inMemoryDataTree.validate(modificationTree);
  67         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
  68         inMemoryDataTree.commit(prepare);
  69
  70         return inMemoryDataTree;
  71     }
  72
  73     private static DataTree emptyDataTree(final SchemaContext schemaContext)
  74             throws DataValidationFailedException {
  75         return new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_CONFIGURATION, schemaContext);
  76     }
  77
  78     @Test
  79     public void mergeInvalidContainerTest() throws DataValidationFailedException {
  80         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
  81
  82         final MapNode myList = createMap(true);
  83         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
  84                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
  85
  86         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
  87         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
  88
  89         try {
  90             modificationTree.ready();
  91             inMemoryDataTree.validate(modificationTree);
  92             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
  93             inMemoryDataTree.commit(prepare);
  94             fail("Should fail due to missing mandatory leaf.");
  95         } catch (final IllegalArgumentException e) {
  96             assertEquals(
  97                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=1}] is missing mandatory "
  98                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
  99         }
 100     }
 101
 102     @Test
 103     public void mergeInvalidMapTest() throws DataValidationFailedException {
 104         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 105         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 106         mergeMap(modificationTree, true);
 107
 108         try {
 109             modificationTree.ready();
 110             inMemoryDataTree.validate(modificationTree);
 111             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 112             inMemoryDataTree.commit(prepare);
 113             fail("Should fail due to missing mandatory leaf.");
 114         } catch (final IllegalArgumentException e) {
 115             assertEquals(
 116                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=1}] is missing mandatory "
 117                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
 118         }
 119     }
 120
 121     @Test
 122     public void mergeInvalidMapEntryTest() throws DataValidationFailedException {
 123         final DataTree inMemoryDataTree = initDataTree(schemaContext, true);
 124         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 125
 126         mergeMapEntry(modificationTree, "1", null, "common-value");
 127
 128         try {
 129             modificationTree.ready();
 130             inMemoryDataTree.validate(modificationTree);
 131             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 132             inMemoryDataTree.commit(prepare);
 133             fail("Should fail due to missing mandatory leaf.");
 134         } catch (final IllegalArgumentException e) {
 135             assertEquals(
 136                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=1}] is missing mandatory "
 137                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
 138         }
 139     }
 140
 141     private static void mergeMap(final DataTreeModification modificationTree,
 142             final boolean mandatoryDataMissing) throws DataValidationFailedException {
 143         final MapNode myList = createMap(mandatoryDataMissing);
 144         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), myList);
 145     }
 146
 147     private static MapNode createMap(final boolean mandatoryDataMissing) throws DataValidationFailedException {
 148         return Builders
 149                 .mapBuilder()
 150                 .withNodeIdentifier(new NodeIdentifier(MY_LIST))
 151                 .withChild(
 152                         mandatoryDataMissing ? createMapEntry("1", "common-value") : createMapEntry("1",
 153                                 "mandatory-value", "common-value")).build();
 154     }
 155
 156     private static void mergeMapEntry(final DataTreeModification modificationTree, final Object listIdValue,
 157             final Object mandatoryLeafValue, final Object commonLeafValue) throws DataValidationFailedException {
 158         final MapEntryNode taskEntryNode = mandatoryLeafValue == null ? createMapEntry(listIdValue, commonLeafValue)
 159                 : createMapEntry(listIdValue, mandatoryLeafValue, commonLeafValue);
 160
 161         modificationTree.merge(
 162                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 163                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue))),
 164                 taskEntryNode);
 165     }
 166
 167     private static MapEntryNode createMapEntry(final Object listIdValue, final Object mandatoryLeafValue,
 168             final Object commonLeafValue) throws DataValidationFailedException {
 169         return Builders.mapEntryBuilder()
 170                 .withNodeIdentifier(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 171                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 172                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue))
 173                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 174     }
 175
 176     private static MapEntryNode createMapEntry(final Object listIdValue, final Object commonLeafValue)
 177             throws DataValidationFailedException {
 178         return Builders.mapEntryBuilder()
 179                 .withNodeIdentifier(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 180                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 181                 .withChild(ImmutableNodes.leafNode(COMMON_LEAF, commonLeafValue)).build();
 182     }
 183
 184     private static MapEntryNode createMapEntryM(final Object listIdValue, final Object mandatoryLeafValue)
 185             throws DataValidationFailedException {
 186         return Builders.mapEntryBuilder()
 187                 .withNodeIdentifier(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, listIdValue)))
 188                 .withChild(ImmutableNodes.leafNode(LIST_ID, listIdValue))
 189                 .withChild(ImmutableNodes.leafNode(MANDATORY_LEAF, mandatoryLeafValue)).build();
 190     }
 191
 192     @Test
 193     public void mergeValidContainerTest() throws DataValidationFailedException {
 194         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 195
 196         final MapNode myList = createMap(false);
 197         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> root = Builders.containerBuilder()
 198                 .withNodeIdentifier(new NodeIdentifier(ROOT)).withChild(myList);
 199
 200         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 201         modificationTree.merge(YangInstanceIdentifier.of(ROOT), root.build());
 202         modificationTree.ready();
 203         inMemoryDataTree.validate(modificationTree);
 204         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 205         inMemoryDataTree.commit(prepare);
 206     }
 207
 208     @Test
 209     public void mergeValidMapTest() throws DataValidationFailedException {
 210         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 211         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 212         mergeMap(modificationTree, false);
 213
 214         modificationTree.ready();
 215         inMemoryDataTree.validate(modificationTree);
 216         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 217         inMemoryDataTree.commit(prepare);
 218     }
 219
 220     @Test
 221     public void mergeValidMapEntryTest() throws DataValidationFailedException {
 222         final DataTree inMemoryDataTree = initDataTree(schemaContext, true);
 223         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 224
 225         mergeMapEntry(modificationTree, "1", "mandatory-value", "common-value");
 226
 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 validMultiStepsMergeTest() throws DataValidationFailedException {
 235         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 236         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 237
 238         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 239         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 240         modificationTree.merge(
 241                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 242                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 243                 createEmptyMapEntryBuilder("1").build());
 244         modificationTree.merge(
 245                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 246                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 247                 createMapEntry("1", "mandatory-value", "common-value"));
 248
 249         modificationTree.ready();
 250         inMemoryDataTree.validate(modificationTree);
 251         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 252         inMemoryDataTree.commit(prepare);
 253     }
 254
 255     @Test
 256     public void invalidMultiStepsMergeTest() throws DataValidationFailedException {
 257         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 258         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 259
 260         modificationTree.merge(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 261         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 262         modificationTree.merge(
 263                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 264                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 265                 createEmptyMapEntryBuilder("1").build());
 266         modificationTree.merge(
 267                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 268                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 269                 createMapEntry("1", "common-value"));
 270
 271         try {
 272             modificationTree.ready();
 273             inMemoryDataTree.validate(modificationTree);
 274             final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 275             inMemoryDataTree.commit(prepare);
 276             fail("Should fail due to missing mandatory leaf.");
 277         } catch (final IllegalArgumentException e) {
 278             assertEquals(
 279                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=1}] is missing mandatory "
 280                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
 281         }
 282     }
 283
 284     private static DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> createEmptyMapEntryBuilder(
 285             final Object listIdValue) throws DataValidationFailedException {
 286         return Builders.mapEntryBuilder()
 287                 .withNodeIdentifier(new NodeIdentifierWithPredicates(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 DataContainerNodeAttrBuilder<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(schemaContext);
 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(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 309                 createEmptyMapEntryBuilder("1").build());
 310         modificationTree.merge(
 311                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 312                         .node(new NodeIdentifierWithPredicates(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(schemaContext);
 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(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 331                 createEmptyMapEntryBuilder("1").build());
 332         modificationTree.merge(
 333                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 334                         .node(new NodeIdentifierWithPredicates(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(
 345                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=1}] is missing mandatory "
 346                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
 347         }
 348     }
 349
 350     @Test
 351     public void validMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 352         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 353         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 354
 355         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 356         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 357         modificationTree.merge(
 358                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 359                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 360                 createEmptyMapEntryBuilder("1").build());
 361         modificationTree.merge(
 362                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 363                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 364                 createMapEntryM("1", "mandatory-value"));
 365
 366         modificationTree.ready();
 367         inMemoryDataTree.validate(modificationTree);
 368         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 369         inMemoryDataTree.commit(prepare);
 370
 371         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 372         modificationTree2.merge(
 373                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 374                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 375                 createMapEntry("1", "common-value"));
 376         modificationTree2.ready();
 377         inMemoryDataTree.validate(modificationTree2);
 378         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 379         inMemoryDataTree.commit(prepare2);
 380     }
 381
 382     @Test
 383     public void invalidMapEntryMultiCommitMergeTest() throws DataValidationFailedException {
 384         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 385         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 386
 387         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 388         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 389         modificationTree.merge(
 390                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 391                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 392                 createEmptyMapEntryBuilder("1").build());
 393         modificationTree.merge(
 394                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 395                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 396                 createMapEntryM("1", "mandatory-value"));
 397
 398         modificationTree.ready();
 399         inMemoryDataTree.validate(modificationTree);
 400         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 401         inMemoryDataTree.commit(prepare);
 402
 403         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 404         modificationTree2.write(
 405                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 406                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 407                 createMapEntry("1", "common-value"));
 408         modificationTree2.merge(
 409                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 410                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 411                 createMapEntryM("1", "mandatory-value"));
 412         modificationTree2.merge(
 413                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 414                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "2"))),
 415                 createMapEntry("2", "common-value"));
 416         try {
 417             modificationTree2.ready();
 418             inMemoryDataTree.validate(modificationTree2);
 419             final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 420             inMemoryDataTree.commit(prepare2);
 421             fail("Should fail due to missing mandatory leaf.");
 422         } catch (final IllegalArgumentException e) {
 423             assertEquals(
 424                     "Node (foo?revision=2016-07-28)my-list[{(foo?revision=2016-07-28)list-id=2}] is missing mandatory "
 425                             + "descendant /(foo?revision=2016-07-28)mandatory-leaf", e.getMessage());
 426         }
 427     }
 428
 429     /*
 430      * This test consists of two transactions (i.e. data tree modifications) on
 431      * empty data tree. The first one writes mandatory data and second one
 432      * writes common data without any mandatory data.
 433      */
 434     @Test
 435     public void validMapEntryMultiCommitMergeTest2() throws DataValidationFailedException {
 436         final DataTree inMemoryDataTree = emptyDataTree(schemaContext);
 437         final DataTreeModification modificationTree = inMemoryDataTree.takeSnapshot().newModification();
 438         final DataTreeModification modificationTree2 = inMemoryDataTree.takeSnapshot().newModification();
 439
 440         modificationTree.write(YangInstanceIdentifier.of(ROOT), createContainerBuilder().build());
 441         modificationTree.merge(YangInstanceIdentifier.of(ROOT).node(MY_LIST), createMapBuilder().build());
 442         modificationTree.merge(
 443                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 444                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 445                 createEmptyMapEntryBuilder("1").build());
 446         modificationTree.merge(
 447                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 448                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 449                 createMapEntryM("1", "mandatory-value"));
 450
 451         modificationTree.ready();
 452         inMemoryDataTree.validate(modificationTree);
 453         final DataTreeCandidate prepare = inMemoryDataTree.prepare(modificationTree);
 454         inMemoryDataTree.commit(prepare);
 455
 456         modificationTree2.merge(
 457                 YangInstanceIdentifier.of(ROOT).node(MY_LIST)
 458                         .node(new NodeIdentifierWithPredicates(MY_LIST, ImmutableMap.of(LIST_ID, "1"))),
 459                 createMapEntry("1", "common-value"));
 460         modificationTree2.ready();
 461         inMemoryDataTree.validate(modificationTree2);
 462         final DataTreeCandidate prepare2 = inMemoryDataTree.prepare(modificationTree2);
 463         inMemoryDataTree.commit(prepare2);
 464     }
 465 }