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.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertNull;
  14 import static org.junit.Assert.assertTrue;
  15
  16 import java.io.File;
  17 import java.io.IOException;
  18 import java.net.URI;
  19 import java.net.URISyntaxException;
  20 import java.text.SimpleDateFormat;
  21 import java.util.Collections;
  22 import java.util.Date;
  23 import java.util.List;
  24 import java.util.Map;
  25 import java.util.Set;
  26 import org.junit.Before;
  27 import org.junit.Test;
  28 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
  29 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
  30 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
  31 import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
  32 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  33 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  34 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  35 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  36 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  37 import org.opendaylight.yangtools.yang.model.api.Module;
  38 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  39 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  40 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  41 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  42 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  43 import org.opendaylight.yangtools.yang.model.parser.api.YangContextParser;
  44
  45 public class GroupingTest {
  46     private Set<Module> modules;
  47
  48     @Before
  49     public void init() throws IOException, URISyntaxException {
  50         modules = TestUtils.loadModules(getClass().getResource("/model").toURI());
  51         assertEquals(3, modules.size());
  52     }
  53
  54     @Test
  55     public void testRefine() {
  56         Module testModule = TestUtils.findModule(modules, "foo");
  57         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
  58         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
  59
  60         Set<UsesNode> usesNodes = destination.getUses();
  61         assertEquals(1, usesNodes.size());
  62         UsesNode usesNode = usesNodes.iterator().next();
  63         Map<SchemaPath, SchemaNode> refines = usesNode.getRefines();
  64         assertEquals(4, refines.size());
  65
  66         LeafSchemaNode refineLeaf = null;
  67         ContainerSchemaNode refineContainer = null;
  68         ListSchemaNode refineList = null;
  69         LeafSchemaNode refineInnerLeaf = null;
  70         for (Map.Entry<SchemaPath, SchemaNode> entry : refines.entrySet()) {
  71             SchemaNode value = entry.getValue();
  72             if ("address".equals(value.getQName().getLocalName())) {
  73                 refineLeaf = (LeafSchemaNode) value;
  74             } else if ("port".equals(value.getQName().getLocalName())) {
  75                 refineContainer = (ContainerSchemaNode) value;
  76             } else if ("addresses".equals(value.getQName().getLocalName())) {
  77                 refineList = (ListSchemaNode) value;
  78             } else if ("id".equals(value.getQName().getLocalName())) {
  79                 refineInnerLeaf = (LeafSchemaNode) value;
  80             }
  81         }
  82
  83         // leaf address
  84         assertNotNull(refineLeaf);
  85         assertEquals("IP address of target node", refineLeaf.getDescription());
  86         assertEquals("address reference added by refine", refineLeaf.getReference());
  87         assertFalse(refineLeaf.isConfiguration());
  88         assertFalse(refineLeaf.getConstraints().isMandatory());
  89         Set<MustDefinition> leafMustConstraints = refineLeaf.getConstraints().getMustConstraints();
  90         assertEquals(1, leafMustConstraints.size());
  91         MustDefinition leafMust = leafMustConstraints.iterator().next();
  92         assertEquals("\"ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)\"", leafMust.toString());
  93         assertEquals(1, refineLeaf.getUnknownSchemaNodes().size());
  94
  95         // container port
  96         assertNotNull(refineContainer);
  97         Set<MustDefinition> mustConstraints = refineContainer.getConstraints().getMustConstraints();
  98         assertTrue(mustConstraints.isEmpty());
  99         assertEquals("description of port defined by refine", refineContainer.getDescription());
 100         assertEquals("port reference added by refine", refineContainer.getReference());
 101         assertFalse(refineContainer.isConfiguration());
 102         assertTrue(refineContainer.isPresenceContainer());
 103
 104         // list addresses
 105         assertNotNull(refineList);
 106         assertEquals("description of addresses defined by refine", refineList.getDescription());
 107         assertEquals("addresses reference added by refine", refineList.getReference());
 108         assertFalse(refineList.isConfiguration());
 109         assertEquals(2, (int) refineList.getConstraints().getMinElements());
 110         assertEquals(12, (int) refineList.getConstraints().getMaxElements());
 111
 112         // leaf id
 113         assertNotNull(refineInnerLeaf);
 114         assertEquals("id of address", refineInnerLeaf.getDescription());
 115     }
 116
 117     @Test
 118     public void testGrouping() {
 119         Module testModule = TestUtils.findModule(modules, "baz");
 120         Set<GroupingDefinition> groupings = testModule.getGroupings();
 121         assertEquals(1, groupings.size());
 122         GroupingDefinition grouping = groupings.iterator().next();
 123         Set<DataSchemaNode> children = grouping.getChildNodes();
 124         assertEquals(5, children.size());
 125     }
 126
 127     @Test
 128     public void testUses() {
 129         // suffix _u = added by uses
 130         // suffix _g = defined in grouping
 131
 132         Module testModule = TestUtils.findModule(modules, "baz");
 133
 134         // get grouping
 135         Set<GroupingDefinition> groupings = testModule.getGroupings();
 136         assertEquals(1, groupings.size());
 137         GroupingDefinition grouping = groupings.iterator().next();
 138
 139         testModule = TestUtils.findModule(modules, "foo");
 140
 141         // get node containing uses
 142         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
 143         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
 144
 145         // check uses
 146         Set<UsesNode> uses = destination.getUses();
 147         assertEquals(1, uses.size());
 148
 149         // check uses process
 150         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) destination.getDataChildByName("data");
 151         assertNotNull(data_u);
 152         assertTrue(data_u.isAddedByUses());
 153
 154         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 155         assertNotNull(data_g);
 156         assertFalse(data_g.isAddedByUses());
 157         assertFalse(data_u.equals(data_g));
 158
 159         ChoiceNode how_u = (ChoiceNode) destination.getDataChildByName("how");
 160         assertNotNull(how_u);
 161         TestUtils.checkIsAddedByUses(how_u, true);
 162         assertEquals(2, how_u.getCases().size());
 163
 164         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 165         assertNotNull(how_g);
 166         TestUtils.checkIsAddedByUses(how_g, false);
 167         assertEquals(2, how_g.getCases().size());
 168         assertFalse(how_u.equals(how_g));
 169
 170         LeafSchemaNode address_u = (LeafSchemaNode) destination.getDataChildByName("address");
 171         assertNotNull(address_u);
 172         assertEquals("1.2.3.4", address_u.getDefault());
 173         assertEquals("IP address of target node", address_u.getDescription());
 174         assertEquals("address reference added by refine", address_u.getReference());
 175         assertFalse(address_u.isConfiguration());
 176         assertTrue(address_u.isAddedByUses());
 177         assertFalse(address_u.getConstraints().isMandatory());
 178
 179         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 180         assertNotNull(address_g);
 181         assertFalse(address_g.isAddedByUses());
 182         assertNull(address_g.getDefault());
 183         assertEquals("Target IP address", address_g.getDescription());
 184         assertNull(address_g.getReference());
 185         assertTrue(address_g.isConfiguration());
 186         assertFalse(address_u.equals(address_g));
 187         assertTrue(address_g.getConstraints().isMandatory());
 188
 189         ContainerSchemaNode port_u = (ContainerSchemaNode) destination.getDataChildByName("port");
 190         assertNotNull(port_u);
 191         TestUtils.checkIsAddedByUses(port_u, true);
 192
 193         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 194         assertNotNull(port_g);
 195         TestUtils.checkIsAddedByUses(port_g, false);
 196         assertFalse(port_u.equals(port_g));
 197
 198         ListSchemaNode addresses_u = (ListSchemaNode) destination.getDataChildByName("addresses");
 199         assertNotNull(addresses_u);
 200         TestUtils.checkIsAddedByUses(addresses_u, true);
 201
 202         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 203         assertNotNull(addresses_g);
 204         TestUtils.checkIsAddedByUses(addresses_g, false);
 205         assertFalse(addresses_u.equals(addresses_g));
 206
 207         // grouping defined by 'uses'
 208         Set<GroupingDefinition> groupings_u = destination.getGroupings();
 209         assertEquals(1, groupings_u.size());
 210         GroupingDefinition grouping_u = groupings_u.iterator().next();
 211         TestUtils.checkIsAddedByUses(grouping_u, true);
 212
 213         // grouping defined in 'grouping' node
 214         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 215         assertEquals(1, groupings_g.size());
 216         GroupingDefinition grouping_g = groupings_g.iterator().next();
 217         TestUtils.checkIsAddedByUses(grouping_g, false);
 218         assertFalse(grouping_u.equals(grouping_g));
 219
 220         List<UnknownSchemaNode> nodes_u = destination.getUnknownSchemaNodes();
 221         assertEquals(1, nodes_u.size());
 222         UnknownSchemaNode node_u = nodes_u.get(0);
 223         assertTrue(node_u.isAddedByUses());
 224
 225         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 226         assertEquals(1, nodes_g.size());
 227         UnknownSchemaNode node_g = nodes_g.get(0);
 228         assertFalse(node_g.isAddedByUses());
 229         assertFalse(node_u.equals(node_g));
 230     }
 231
 232     @Test
 233     public void testUsesUnderModule() {
 234         // suffix _u = added by uses
 235         // suffix _g = defined in grouping
 236
 237         Module testModule = TestUtils.findModule(modules, "baz");
 238
 239         // get grouping
 240         Set<GroupingDefinition> groupings = testModule.getGroupings();
 241         assertEquals(1, groupings.size());
 242         GroupingDefinition grouping = groupings.iterator().next();
 243
 244         // get node containing uses
 245         Module foo = TestUtils.findModule(modules, "foo");
 246
 247         // check uses
 248         Set<UsesNode> uses = foo.getUses();
 249         assertEquals(1, uses.size());
 250
 251         // check uses process
 252         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) foo.getDataChildByName("data");
 253         assertNotNull(data_u);
 254         assertTrue(data_u.isAddedByUses());
 255
 256         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 257         assertNotNull(data_g);
 258         assertFalse(data_g.isAddedByUses());
 259         assertFalse(data_u.equals(data_g));
 260
 261         ChoiceNode how_u = (ChoiceNode) foo.getDataChildByName("how");
 262         assertNotNull(how_u);
 263         TestUtils.checkIsAddedByUses(how_u, true);
 264         assertFalse(how_u.isAugmenting());
 265         Set<ChoiceCaseNode> cases_u = how_u.getCases();
 266         assertEquals(2, cases_u.size());
 267         ChoiceCaseNode interval = how_u.getCaseNodeByName("interval");
 268         assertFalse(interval.isAugmenting());
 269         LeafSchemaNode name = (LeafSchemaNode) interval.getDataChildByName("name");
 270         assertTrue(name.isAugmenting());
 271         LeafSchemaNode intervalLeaf = (LeafSchemaNode) interval.getDataChildByName("interval");
 272         assertFalse(intervalLeaf.isAugmenting());
 273
 274         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 275         assertNotNull(how_g);
 276         TestUtils.checkIsAddedByUses(how_g, false);
 277         assertFalse(how_u.equals(how_g));
 278
 279         LeafSchemaNode address_u = (LeafSchemaNode) foo.getDataChildByName("address");
 280         assertNotNull(address_u);
 281         assertNull(address_u.getDefault());
 282         assertEquals("Target IP address", address_u.getDescription());
 283         assertNull(address_u.getReference());
 284         assertTrue(address_u.isConfiguration());
 285         assertTrue(address_u.isAddedByUses());
 286
 287         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 288         assertNotNull(address_g);
 289         assertFalse(address_g.isAddedByUses());
 290         assertNull(address_g.getDefault());
 291         assertEquals("Target IP address", address_g.getDescription());
 292         assertNull(address_g.getReference());
 293         assertTrue(address_g.isConfiguration());
 294         assertFalse(address_u.equals(address_g));
 295
 296         ContainerSchemaNode port_u = (ContainerSchemaNode) foo.getDataChildByName("port");
 297         assertNotNull(port_u);
 298         TestUtils.checkIsAddedByUses(port_u, true);
 299
 300         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 301         assertNotNull(port_g);
 302         TestUtils.checkIsAddedByUses(port_g, false);
 303         assertFalse(port_u.equals(port_g));
 304
 305         ListSchemaNode addresses_u = (ListSchemaNode) foo.getDataChildByName("addresses");
 306         assertNotNull(addresses_u);
 307         TestUtils.checkIsAddedByUses(addresses_u, true);
 308
 309         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 310         assertNotNull(addresses_g);
 311         TestUtils.checkIsAddedByUses(addresses_g, false);
 312         assertFalse(addresses_u.equals(addresses_g));
 313
 314         // grouping defined by 'uses'
 315         Set<GroupingDefinition> groupings_u = foo.getGroupings();
 316         assertEquals(1, groupings_u.size());
 317         GroupingDefinition grouping_u = groupings_u.iterator().next();
 318         TestUtils.checkIsAddedByUses(grouping_u, true);
 319
 320         // grouping defined in 'grouping' node
 321         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 322         assertEquals(1, groupings_g.size());
 323         GroupingDefinition grouping_g = groupings_g.iterator().next();
 324         TestUtils.checkIsAddedByUses(grouping_g, false);
 325         assertFalse(grouping_u.equals(grouping_g));
 326
 327         List<UnknownSchemaNode> nodes_u = foo.getUnknownSchemaNodes();
 328         assertEquals(1, nodes_u.size());
 329         UnknownSchemaNode node_u = nodes_u.get(0);
 330         assertTrue(node_u.isAddedByUses());
 331
 332         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 333         assertEquals(1, nodes_g.size());
 334         UnknownSchemaNode node_g = nodes_g.get(0);
 335         assertFalse(node_g.isAddedByUses());
 336         assertFalse(node_u.equals(node_g));
 337
 338         UsesNode un = uses.iterator().next();
 339         Set<AugmentationSchema> usesAugments = un.getAugmentations();
 340         assertEquals(1, usesAugments.size());
 341         AugmentationSchema augment = usesAugments.iterator().next();
 342         assertEquals("inner augment", augment.getDescription());
 343         Set<DataSchemaNode> children = augment.getChildNodes();
 344         assertEquals(1, children.size());
 345         DataSchemaNode leaf = children.iterator().next();
 346         assertTrue(leaf instanceof LeafSchemaNode);
 347         assertEquals("name", leaf.getQName().getLocalName());
 348     }
 349
 350     @Test
 351     public void testCascadeUses() throws Exception {
 352         File yangFile = new File(getClass().getResource("/grouping-test/cascade-uses.yang").toURI());
 353         YangContextParser parser = new YangParserImpl();
 354         modules = parser.parseFiles(Collections.singleton(yangFile)).getModules();
 355         assertEquals(1, modules.size());
 356
 357         Module testModule = TestUtils.findModule(modules, "cascade-uses");
 358         Set<GroupingDefinition> groupings = testModule.getGroupings();
 359
 360         GroupingDefinition gu = null;
 361         GroupingDefinition gv = null;
 362         GroupingDefinition gx = null;
 363         GroupingDefinition gy = null;
 364         GroupingDefinition gz = null;
 365         GroupingDefinition gzz = null;
 366         for (GroupingDefinition gd : groupings) {
 367             String name = gd.getQName().getLocalName();
 368             switch (name) {
 369             case "grouping-U":
 370                 gu = gd;
 371                 break;
 372             case "grouping-V":
 373                 gv = gd;
 374                 break;
 375             case "grouping-X":
 376                 gx = gd;
 377                 break;
 378             case "grouping-Y":
 379                 gy = gd;
 380                 break;
 381             case "grouping-Z":
 382                 gz = gd;
 383                 break;
 384             case "grouping-ZZ":
 385                 gzz = gd;
 386                 break;
 387             }
 388         }
 389         assertNotNull(gu);
 390         assertNotNull(gv);
 391         assertNotNull(gx);
 392         assertNotNull(gy);
 393         assertNotNull(gz);
 394         assertNotNull(gzz);
 395
 396         URI expectedNS = URI.create("urn:grouping:cascade-uses");
 397         Date expectedRev = new SimpleDateFormat("yyyy-MM-dd").parse("2013-07-18");
 398         String expectedPref = "cu";
 399         SchemaPath expectedPath;
 400
 401         // grouping-U
 402         Set<DataSchemaNode> childNodes = gu.getChildNodes();
 403         assertEquals(7, childNodes.size());
 404         LeafSchemaNode leafGroupingU = null;
 405         for (DataSchemaNode childNode : childNodes) {
 406             if ("leaf-grouping-U".equals(childNode.getQName().getLocalName())) {
 407                 leafGroupingU = (LeafSchemaNode) childNode;
 408             } else {
 409                 TestUtils.checkIsAddedByUses(childNode, true);
 410             }
 411         }
 412         assertNotNull(leafGroupingU);
 413         assertFalse(leafGroupingU.isAddedByUses());
 414
 415         // grouping-V
 416         childNodes = gv.getChildNodes();
 417         assertEquals(4, childNodes.size());
 418         LeafSchemaNode leafGroupingV = null;
 419         ContainerSchemaNode containerGroupingV = null;
 420         for (DataSchemaNode childNode : childNodes) {
 421             if ("leaf-grouping-V".equals(childNode.getQName().getLocalName())) {
 422                 leafGroupingV = (LeafSchemaNode) childNode;
 423             } else if ("container-grouping-V".equals(childNode.getQName().getLocalName())) {
 424                 containerGroupingV = (ContainerSchemaNode) childNode;
 425             } else {
 426                 TestUtils.checkIsAddedByUses(childNode, true);
 427             }
 428         }
 429         assertNotNull(leafGroupingV);
 430         assertFalse(leafGroupingV.isAddedByUses());
 431
 432         // grouping-V/container-grouping-V
 433         assertNotNull(containerGroupingV);
 434         assertFalse(containerGroupingV.isAddedByUses());
 435         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 436                 "container-grouping-V");
 437         assertEquals(expectedPath, containerGroupingV.getPath());
 438         childNodes = containerGroupingV.getChildNodes();
 439         assertEquals(2, childNodes.size());
 440         for (DataSchemaNode childNode : childNodes) {
 441             TestUtils.checkIsAddedByUses(childNode, true);
 442         }
 443
 444         // grouping-V/container-grouping-V/leaf-grouping-X
 445         LeafSchemaNode leafXinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-X");
 446         assertNotNull(leafXinContainerV);
 447         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 448                 "container-grouping-V", "leaf-grouping-X");
 449         assertEquals(expectedPath, leafXinContainerV.getPath());
 450         // grouping-V/container-grouping-V/leaf-grouping-Y
 451         LeafSchemaNode leafYinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-Y");
 452         assertNotNull(leafYinContainerV);
 453         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 454                 "container-grouping-V", "leaf-grouping-Y");
 455         assertEquals(expectedPath, leafYinContainerV.getPath());
 456
 457         // grouping-X
 458         childNodes = gx.getChildNodes();
 459         assertEquals(2, childNodes.size());
 460
 461         // grouping-X/leaf-grouping-X
 462         LeafSchemaNode leafXinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-X");
 463         assertNotNull(leafXinGX);
 464         assertFalse(leafXinGX.isAddedByUses());
 465         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 466                 "leaf-grouping-X");
 467         assertEquals(expectedPath, leafXinGX.getPath());
 468
 469         // grouping-X/leaf-grouping-Y
 470         LeafSchemaNode leafYinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-Y");
 471         assertNotNull(leafYinGX);
 472         assertTrue(leafYinGX.isAddedByUses());
 473         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 474                 "leaf-grouping-Y");
 475         assertEquals(expectedPath, leafYinGX.getPath());
 476
 477         // grouping-Y
 478         childNodes = gy.getChildNodes();
 479         assertEquals(1, childNodes.size());
 480
 481         // grouping-Y/leaf-grouping-Y
 482         LeafSchemaNode leafYinGY = (LeafSchemaNode) gy.getDataChildByName("leaf-grouping-Y");
 483         assertNotNull(leafYinGY);
 484         assertFalse(leafYinGY.isAddedByUses());
 485         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Y",
 486                 "leaf-grouping-Y");
 487         assertEquals(expectedPath, leafYinGY.getPath());
 488
 489         // grouping-Z
 490         childNodes = gz.getChildNodes();
 491         assertEquals(1, childNodes.size());
 492
 493         // grouping-Z/leaf-grouping-Z
 494         LeafSchemaNode leafZinGZ = (LeafSchemaNode) gz.getDataChildByName("leaf-grouping-Z");
 495         assertNotNull(leafZinGZ);
 496         assertFalse(leafZinGZ.isAddedByUses());
 497         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Z",
 498                 "leaf-grouping-Z");
 499         assertEquals(expectedPath, leafZinGZ.getPath());
 500
 501         // grouping-ZZ
 502         childNodes = gzz.getChildNodes();
 503         assertEquals(1, childNodes.size());
 504
 505         // grouping-ZZ/leaf-grouping-ZZ
 506         LeafSchemaNode leafZZinGZZ = (LeafSchemaNode) gzz.getDataChildByName("leaf-grouping-ZZ");
 507         assertNotNull(leafZZinGZZ);
 508         assertFalse(leafZZinGZZ.isAddedByUses());
 509         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-ZZ",
 510                 "leaf-grouping-ZZ");
 511         assertEquals(expectedPath, leafZZinGZZ.getPath());
 512     }
 513
 514 }