yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/parser/impl/GroupingTest.java

   1 /*
   2  * Copyright (c) 2013 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.parser.impl;
   9
  10 import static org.junit.Assert.*;
  11
  12 import java.io.File;
  13 import java.io.FileNotFoundException;
  14 import java.net.URI;
  15 import java.net.URISyntaxException;
  16 import java.text.ParseException;
  17 import java.text.SimpleDateFormat;
  18 import java.util.Collections;
  19 import java.util.Date;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.Set;
  23
  24 import org.junit.Before;
  25 import org.junit.Test;
  26 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
  27 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
  28 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
  29 import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
  30 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  31 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  32 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  33 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  34 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  35 import org.opendaylight.yangtools.yang.model.api.Module;
  36 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  37 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  39 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  40 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  41 import org.opendaylight.yangtools.yang.model.parser.api.YangModelParser;
  42
  43 public class GroupingTest {
  44     private Set<Module> modules;
  45
  46     @Before
  47     public void init() throws FileNotFoundException, URISyntaxException {
  48         modules = TestUtils.loadModules(getClass().getResource("/model").toURI());
  49         assertEquals(3, modules.size());
  50     }
  51
  52     @Test
  53     public void testRefine() {
  54         Module testModule = TestUtils.findModule(modules, "foo");
  55         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
  56         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
  57
  58         Set<UsesNode> usesNodes = destination.getUses();
  59         assertEquals(1, usesNodes.size());
  60         UsesNode usesNode = usesNodes.iterator().next();
  61         Map<SchemaPath, SchemaNode> refines = usesNode.getRefines();
  62         assertEquals(4, refines.size());
  63
  64         LeafSchemaNode refineLeaf = null;
  65         ContainerSchemaNode refineContainer = null;
  66         ListSchemaNode refineList = null;
  67         LeafSchemaNode refineInnerLeaf = null;
  68         for (Map.Entry<SchemaPath, SchemaNode> entry : refines.entrySet()) {
  69             SchemaNode value = entry.getValue();
  70             if ("address".equals(value.getQName().getLocalName())) {
  71                 refineLeaf = (LeafSchemaNode) value;
  72             } else if ("port".equals(value.getQName().getLocalName())) {
  73                 refineContainer = (ContainerSchemaNode) value;
  74             } else if ("addresses".equals(value.getQName().getLocalName())) {
  75                 refineList = (ListSchemaNode) value;
  76             } else if ("id".equals(value.getQName().getLocalName())) {
  77                 refineInnerLeaf = (LeafSchemaNode) value;
  78             }
  79         }
  80
  81         // leaf address
  82         assertNotNull(refineLeaf);
  83         assertEquals("IP address of target node", refineLeaf.getDescription());
  84         assertEquals("address reference added by refine", refineLeaf.getReference());
  85         assertFalse(refineLeaf.isConfiguration());
  86         assertFalse(refineLeaf.getConstraints().isMandatory());
  87         Set<MustDefinition> leafMustConstraints = refineLeaf.getConstraints().getMustConstraints();
  88         assertEquals(1, leafMustConstraints.size());
  89         MustDefinition leafMust = leafMustConstraints.iterator().next();
  90         assertEquals("\"ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)\"", leafMust.toString());
  91         assertEquals(1, refineLeaf.getUnknownSchemaNodes().size());
  92
  93         // container port
  94         assertNotNull(refineContainer);
  95         Set<MustDefinition> mustConstraints = refineContainer.getConstraints().getMustConstraints();
  96         assertTrue(mustConstraints.isEmpty());
  97         assertEquals("description of port defined by refine", refineContainer.getDescription());
  98         assertEquals("port reference added by refine", refineContainer.getReference());
  99         assertFalse(refineContainer.isConfiguration());
 100         assertTrue(refineContainer.isPresenceContainer());
 101
 102         // list addresses
 103         assertNotNull(refineList);
 104         assertEquals("description of addresses defined by refine", refineList.getDescription());
 105         assertEquals("addresses reference added by refine", refineList.getReference());
 106         assertFalse(refineList.isConfiguration());
 107         assertEquals(2, (int) refineList.getConstraints().getMinElements());
 108         assertEquals(12, (int) refineList.getConstraints().getMaxElements());
 109
 110         // leaf id
 111         assertNotNull(refineInnerLeaf);
 112         assertEquals("id of address", refineInnerLeaf.getDescription());
 113     }
 114
 115     @Test
 116     public void testGrouping() {
 117         Module testModule = TestUtils.findModule(modules, "baz");
 118         Set<GroupingDefinition> groupings = testModule.getGroupings();
 119         assertEquals(1, groupings.size());
 120         GroupingDefinition grouping = groupings.iterator().next();
 121         Set<DataSchemaNode> children = grouping.getChildNodes();
 122         assertEquals(5, children.size());
 123     }
 124
 125     @Test
 126     public void testUses() {
 127         // suffix _u = added by uses
 128         // suffix _g = defined in grouping
 129
 130         Module testModule = TestUtils.findModule(modules, "baz");
 131
 132         // get grouping
 133         Set<GroupingDefinition> groupings = testModule.getGroupings();
 134         assertEquals(1, groupings.size());
 135         GroupingDefinition grouping = groupings.iterator().next();
 136
 137         testModule = TestUtils.findModule(modules, "foo");
 138
 139         // get node containing uses
 140         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
 141         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
 142
 143         // check uses
 144         Set<UsesNode> uses = destination.getUses();
 145         assertEquals(1, uses.size());
 146
 147         // check uses process
 148         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) destination.getDataChildByName("data");
 149         assertNotNull(data_u);
 150         assertTrue(data_u.isAddedByUses());
 151
 152         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 153         assertNotNull(data_g);
 154         assertFalse(data_g.isAddedByUses());
 155         assertFalse(data_u.equals(data_g));
 156
 157         ChoiceNode how_u = (ChoiceNode) destination.getDataChildByName("how");
 158         assertNotNull(how_u);
 159         TestUtils.checkIsAddedByUses(how_u, true);
 160         assertEquals(2, how_u.getCases().size());
 161
 162         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 163         assertNotNull(how_g);
 164         TestUtils.checkIsAddedByUses(how_g, false);
 165         assertEquals(2, how_g.getCases().size());
 166         assertFalse(how_u.equals(how_g));
 167
 168         LeafSchemaNode address_u = (LeafSchemaNode) destination.getDataChildByName("address");
 169         assertNotNull(address_u);
 170         assertEquals("1.2.3.4", address_u.getDefault());
 171         assertEquals("IP address of target node", address_u.getDescription());
 172         assertEquals("address reference added by refine", address_u.getReference());
 173         assertFalse(address_u.isConfiguration());
 174         assertTrue(address_u.isAddedByUses());
 175         assertFalse(address_u.getConstraints().isMandatory());
 176
 177         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 178         assertNotNull(address_g);
 179         assertFalse(address_g.isAddedByUses());
 180         assertNull(address_g.getDefault());
 181         assertEquals("Target IP address", address_g.getDescription());
 182         assertNull(address_g.getReference());
 183         assertTrue(address_g.isConfiguration());
 184         assertFalse(address_u.equals(address_g));
 185         assertTrue(address_g.getConstraints().isMandatory());
 186
 187         ContainerSchemaNode port_u = (ContainerSchemaNode) destination.getDataChildByName("port");
 188         assertNotNull(port_u);
 189         TestUtils.checkIsAddedByUses(port_u, true);
 190
 191         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 192         assertNotNull(port_g);
 193         TestUtils.checkIsAddedByUses(port_g, false);
 194         assertFalse(port_u.equals(port_g));
 195
 196         ListSchemaNode addresses_u = (ListSchemaNode) destination.getDataChildByName("addresses");
 197         assertNotNull(addresses_u);
 198         TestUtils.checkIsAddedByUses(addresses_u, true);
 199
 200         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 201         assertNotNull(addresses_g);
 202         TestUtils.checkIsAddedByUses(addresses_g, false);
 203         assertFalse(addresses_u.equals(addresses_g));
 204
 205         // grouping defined by 'uses'
 206         Set<GroupingDefinition> groupings_u = destination.getGroupings();
 207         assertEquals(1, groupings_u.size());
 208         GroupingDefinition grouping_u = groupings_u.iterator().next();
 209         TestUtils.checkIsAddedByUses(grouping_u, true);
 210
 211         // grouping defined in 'grouping' node
 212         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 213         assertEquals(1, groupings_g.size());
 214         GroupingDefinition grouping_g = groupings_g.iterator().next();
 215         TestUtils.checkIsAddedByUses(grouping_g, false);
 216         assertFalse(grouping_u.equals(grouping_g));
 217
 218         List<UnknownSchemaNode> nodes_u = destination.getUnknownSchemaNodes();
 219         assertEquals(1, nodes_u.size());
 220         UnknownSchemaNode node_u = nodes_u.get(0);
 221         assertTrue(node_u.isAddedByUses());
 222
 223         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 224         assertEquals(1, nodes_g.size());
 225         UnknownSchemaNode node_g = nodes_g.get(0);
 226         assertFalse(node_g.isAddedByUses());
 227         assertFalse(node_u.equals(node_g));
 228     }
 229
 230     @Test
 231     public void testUsesUnderModule() {
 232         // suffix _u = added by uses
 233         // suffix _g = defined in grouping
 234
 235         Module testModule = TestUtils.findModule(modules, "baz");
 236
 237         // get grouping
 238         Set<GroupingDefinition> groupings = testModule.getGroupings();
 239         assertEquals(1, groupings.size());
 240         GroupingDefinition grouping = groupings.iterator().next();
 241
 242         // get node containing uses
 243         Module foo = TestUtils.findModule(modules, "foo");
 244
 245         // check uses
 246         Set<UsesNode> uses = foo.getUses();
 247         assertEquals(1, uses.size());
 248
 249         // check uses process
 250         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) foo.getDataChildByName("data");
 251         assertNotNull(data_u);
 252         assertTrue(data_u.isAddedByUses());
 253
 254         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 255         assertNotNull(data_g);
 256         assertFalse(data_g.isAddedByUses());
 257         assertFalse(data_u.equals(data_g));
 258
 259         ChoiceNode how_u = (ChoiceNode) foo.getDataChildByName("how");
 260         assertNotNull(how_u);
 261         TestUtils.checkIsAddedByUses(how_u, true);
 262         assertFalse(how_u.isAugmenting());
 263         Set<ChoiceCaseNode> cases_u = how_u.getCases();
 264         assertEquals(2, cases_u.size());
 265         ChoiceCaseNode interval = how_u.getCaseNodeByName("interval");
 266         assertFalse(interval.isAugmenting());
 267         LeafSchemaNode name = (LeafSchemaNode) interval.getDataChildByName("name");
 268         assertTrue(name.isAugmenting());
 269         LeafSchemaNode intervalLeaf = (LeafSchemaNode) interval.getDataChildByName("interval");
 270         assertFalse(intervalLeaf.isAugmenting());
 271
 272         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 273         assertNotNull(how_g);
 274         TestUtils.checkIsAddedByUses(how_g, false);
 275         assertFalse(how_u.equals(how_g));
 276
 277         LeafSchemaNode address_u = (LeafSchemaNode) foo.getDataChildByName("address");
 278         assertNotNull(address_u);
 279         assertNull(address_u.getDefault());
 280         assertEquals("Target IP address", address_u.getDescription());
 281         assertNull(address_u.getReference());
 282         assertTrue(address_u.isConfiguration());
 283         assertTrue(address_u.isAddedByUses());
 284
 285         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 286         assertNotNull(address_g);
 287         assertFalse(address_g.isAddedByUses());
 288         assertNull(address_g.getDefault());
 289         assertEquals("Target IP address", address_g.getDescription());
 290         assertNull(address_g.getReference());
 291         assertTrue(address_g.isConfiguration());
 292         assertFalse(address_u.equals(address_g));
 293
 294         ContainerSchemaNode port_u = (ContainerSchemaNode) foo.getDataChildByName("port");
 295         assertNotNull(port_u);
 296         TestUtils.checkIsAddedByUses(port_u, true);
 297
 298         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 299         assertNotNull(port_g);
 300         TestUtils.checkIsAddedByUses(port_g, false);
 301         assertFalse(port_u.equals(port_g));
 302
 303         ListSchemaNode addresses_u = (ListSchemaNode) foo.getDataChildByName("addresses");
 304         assertNotNull(addresses_u);
 305         TestUtils.checkIsAddedByUses(addresses_u, true);
 306
 307         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 308         assertNotNull(addresses_g);
 309         TestUtils.checkIsAddedByUses(addresses_g, false);
 310         assertFalse(addresses_u.equals(addresses_g));
 311
 312         // grouping defined by 'uses'
 313         Set<GroupingDefinition> groupings_u = foo.getGroupings();
 314         assertEquals(1, groupings_u.size());
 315         GroupingDefinition grouping_u = groupings_u.iterator().next();
 316         TestUtils.checkIsAddedByUses(grouping_u, true);
 317
 318         // grouping defined in 'grouping' node
 319         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 320         assertEquals(1, groupings_g.size());
 321         GroupingDefinition grouping_g = groupings_g.iterator().next();
 322         TestUtils.checkIsAddedByUses(grouping_g, false);
 323         assertFalse(grouping_u.equals(grouping_g));
 324
 325         List<UnknownSchemaNode> nodes_u = foo.getUnknownSchemaNodes();
 326         assertEquals(1, nodes_u.size());
 327         UnknownSchemaNode node_u = nodes_u.get(0);
 328         assertTrue(node_u.isAddedByUses());
 329
 330         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 331         assertEquals(1, nodes_g.size());
 332         UnknownSchemaNode node_g = nodes_g.get(0);
 333         assertFalse(node_g.isAddedByUses());
 334         assertFalse(node_u.equals(node_g));
 335
 336         UsesNode un = uses.iterator().next();
 337         Set<AugmentationSchema> usesAugments = un.getAugmentations();
 338         assertEquals(1, usesAugments.size());
 339         AugmentationSchema augment = usesAugments.iterator().next();
 340         assertEquals("inner augment", augment.getDescription());
 341         Set<DataSchemaNode> children = augment.getChildNodes();
 342         assertEquals(1, children.size());
 343         DataSchemaNode leaf = children.iterator().next();
 344         assertTrue(leaf instanceof LeafSchemaNode);
 345         assertEquals("name", leaf.getQName().getLocalName());
 346     }
 347
 348     @Test
 349     public void testCascadeUses() throws Exception {
 350         File yangFile = new File(getClass().getResource("/grouping-test/cascade-uses.yang").toURI());
 351         YangModelParser parser = new YangParserImpl();
 352         modules = parser.parseYangModels(Collections.singletonList(yangFile));
 353         assertEquals(1, modules.size());
 354
 355         Module testModule = TestUtils.findModule(modules, "cascade-uses");
 356         Set<GroupingDefinition> groupings = testModule.getGroupings();
 357
 358         GroupingDefinition gu = null;
 359         GroupingDefinition gv = null;
 360         GroupingDefinition gx = null;
 361         GroupingDefinition gy = null;
 362         GroupingDefinition gz = null;
 363         GroupingDefinition gzz = null;
 364         for (GroupingDefinition gd : groupings) {
 365             String name = gd.getQName().getLocalName();
 366             switch (name) {
 367             case "grouping-U":
 368                 gu = gd;
 369                 break;
 370             case "grouping-V":
 371                 gv = gd;
 372                 break;
 373             case "grouping-X":
 374                 gx = gd;
 375                 break;
 376             case "grouping-Y":
 377                 gy = gd;
 378                 break;
 379             case "grouping-Z":
 380                 gz = gd;
 381                 break;
 382             case "grouping-ZZ":
 383                 gzz = gd;
 384                 break;
 385             }
 386         }
 387         assertNotNull(gu);
 388         assertNotNull(gv);
 389         assertNotNull(gx);
 390         assertNotNull(gy);
 391         assertNotNull(gz);
 392         assertNotNull(gzz);
 393
 394         URI expectedNS = URI.create("urn:grouping:cascade-uses");
 395         Date expectedRev = new SimpleDateFormat("yyyy-MM-dd").parse("2013-07-18");
 396         String expectedPref = "cu";
 397         SchemaPath expectedPath;
 398
 399         // grouping-U
 400         Set<DataSchemaNode> childNodes = gu.getChildNodes();
 401         assertEquals(7, childNodes.size());
 402         LeafSchemaNode leafGroupingU = null;
 403         for (DataSchemaNode childNode : childNodes) {
 404             if ("leaf-grouping-U".equals(childNode.getQName().getLocalName())) {
 405                 leafGroupingU = (LeafSchemaNode) childNode;
 406             } else {
 407                 TestUtils.checkIsAddedByUses(childNode, true);
 408             }
 409         }
 410         assertNotNull(leafGroupingU);
 411         assertFalse(leafGroupingU.isAddedByUses());
 412
 413         // grouping-V
 414         childNodes = gv.getChildNodes();
 415         assertEquals(4, childNodes.size());
 416         LeafSchemaNode leafGroupingV = null;
 417         ContainerSchemaNode containerGroupingV = null;
 418         for (DataSchemaNode childNode : childNodes) {
 419             if ("leaf-grouping-V".equals(childNode.getQName().getLocalName())) {
 420                 leafGroupingV = (LeafSchemaNode) childNode;
 421             } else if ("container-grouping-V".equals(childNode.getQName().getLocalName())) {
 422                 containerGroupingV = (ContainerSchemaNode) childNode;
 423             } else {
 424                 TestUtils.checkIsAddedByUses(childNode, true);
 425             }
 426         }
 427         assertNotNull(leafGroupingV);
 428         assertFalse(leafGroupingV.isAddedByUses());
 429
 430         // grouping-V/container-grouping-V
 431         assertNotNull(containerGroupingV);
 432         assertFalse(containerGroupingV.isAddedByUses());
 433         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 434                 "container-grouping-V");
 435         assertEquals(expectedPath, containerGroupingV.getPath());
 436         childNodes = containerGroupingV.getChildNodes();
 437         assertEquals(2, childNodes.size());
 438         for (DataSchemaNode childNode : childNodes) {
 439             TestUtils.checkIsAddedByUses(childNode, true);
 440         }
 441
 442         // grouping-V/container-grouping-V/leaf-grouping-X
 443         LeafSchemaNode leafXinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-X");
 444         assertNotNull(leafXinContainerV);
 445         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 446                 "container-grouping-V", "leaf-grouping-X");
 447         assertEquals(expectedPath, leafXinContainerV.getPath());
 448         // grouping-V/container-grouping-V/leaf-grouping-Y
 449         LeafSchemaNode leafYinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-Y");
 450         assertNotNull(leafYinContainerV);
 451         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 452                 "container-grouping-V", "leaf-grouping-Y");
 453         assertEquals(expectedPath, leafYinContainerV.getPath());
 454
 455         // grouping-X
 456         childNodes = gx.getChildNodes();
 457         assertEquals(2, childNodes.size());
 458
 459         // grouping-X/leaf-grouping-X
 460         LeafSchemaNode leafXinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-X");
 461         assertNotNull(leafXinGX);
 462         assertFalse(leafXinGX.isAddedByUses());
 463         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 464                 "leaf-grouping-X");
 465         assertEquals(expectedPath, leafXinGX.getPath());
 466
 467         // grouping-X/leaf-grouping-Y
 468         LeafSchemaNode leafYinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-Y");
 469         assertNotNull(leafYinGX);
 470         assertTrue(leafYinGX.isAddedByUses());
 471         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 472                 "leaf-grouping-Y");
 473         assertEquals(expectedPath, leafYinGX.getPath());
 474
 475         // grouping-Y
 476         childNodes = gy.getChildNodes();
 477         assertEquals(1, childNodes.size());
 478
 479         // grouping-Y/leaf-grouping-Y
 480         LeafSchemaNode leafYinGY = (LeafSchemaNode) gy.getDataChildByName("leaf-grouping-Y");
 481         assertNotNull(leafYinGY);
 482         assertFalse(leafYinGY.isAddedByUses());
 483         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Y",
 484                 "leaf-grouping-Y");
 485         assertEquals(expectedPath, leafYinGY.getPath());
 486
 487         // grouping-Z
 488         childNodes = gz.getChildNodes();
 489         assertEquals(1, childNodes.size());
 490
 491         // grouping-Z/leaf-grouping-Z
 492         LeafSchemaNode leafZinGZ = (LeafSchemaNode) gz.getDataChildByName("leaf-grouping-Z");
 493         assertNotNull(leafZinGZ);
 494         assertFalse(leafZinGZ.isAddedByUses());
 495         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Z",
 496                 "leaf-grouping-Z");
 497         assertEquals(expectedPath, leafZinGZ.getPath());
 498
 499         // grouping-ZZ
 500         childNodes = gzz.getChildNodes();
 501         assertEquals(1, childNodes.size());
 502
 503         // grouping-ZZ/leaf-grouping-ZZ
 504         LeafSchemaNode leafZZinGZZ = (LeafSchemaNode) gzz.getDataChildByName("leaf-grouping-ZZ");
 505         assertNotNull(leafZZinGZZ);
 506         assertFalse(leafZZinGZZ.isAddedByUses());
 507         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-ZZ",
 508                 "leaf-grouping-ZZ");
 509         assertEquals(expectedPath, leafZZinGZZ.getPath());
 510     }
 511
 512 }