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.FileNotFoundException;
  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
  27 import org.junit.Before;
  28 import org.junit.Test;
  29 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
  30 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
  31 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
  32 import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
  33 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  34 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  35 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  36 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  37 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  38 import org.opendaylight.yangtools.yang.model.api.Module;
  39 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  40 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  41 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  42 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  43 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  44 import org.opendaylight.yangtools.yang.model.parser.api.YangModelParser;
  45
  46 public class GroupingTest {
  47     private Set<Module> modules;
  48
  49     @Before
  50     public void init() throws FileNotFoundException, URISyntaxException {
  51         modules = TestUtils.loadModules(getClass().getResource("/model").toURI());
  52         assertEquals(3, modules.size());
  53     }
  54
  55     @Test
  56     public void testRefine() {
  57         Module testModule = TestUtils.findModule(modules, "foo");
  58         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
  59         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
  60
  61         Set<UsesNode> usesNodes = destination.getUses();
  62         assertEquals(1, usesNodes.size());
  63         UsesNode usesNode = usesNodes.iterator().next();
  64         Map<SchemaPath, SchemaNode> refines = usesNode.getRefines();
  65         assertEquals(4, refines.size());
  66
  67         LeafSchemaNode refineLeaf = null;
  68         ContainerSchemaNode refineContainer = null;
  69         ListSchemaNode refineList = null;
  70         LeafSchemaNode refineInnerLeaf = null;
  71         for (Map.Entry<SchemaPath, SchemaNode> entry : refines.entrySet()) {
  72             SchemaNode value = entry.getValue();
  73             if ("address".equals(value.getQName().getLocalName())) {
  74                 refineLeaf = (LeafSchemaNode) value;
  75             } else if ("port".equals(value.getQName().getLocalName())) {
  76                 refineContainer = (ContainerSchemaNode) value;
  77             } else if ("addresses".equals(value.getQName().getLocalName())) {
  78                 refineList = (ListSchemaNode) value;
  79             } else if ("id".equals(value.getQName().getLocalName())) {
  80                 refineInnerLeaf = (LeafSchemaNode) value;
  81             }
  82         }
  83
  84         // leaf address
  85         assertNotNull(refineLeaf);
  86         assertEquals("IP address of target node", refineLeaf.getDescription());
  87         assertEquals("address reference added by refine", refineLeaf.getReference());
  88         assertFalse(refineLeaf.isConfiguration());
  89         assertFalse(refineLeaf.getConstraints().isMandatory());
  90         Set<MustDefinition> leafMustConstraints = refineLeaf.getConstraints().getMustConstraints();
  91         assertEquals(1, leafMustConstraints.size());
  92         MustDefinition leafMust = leafMustConstraints.iterator().next();
  93         assertEquals("\"ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)\"", leafMust.toString());
  94         assertEquals(1, refineLeaf.getUnknownSchemaNodes().size());
  95
  96         // container port
  97         assertNotNull(refineContainer);
  98         Set<MustDefinition> mustConstraints = refineContainer.getConstraints().getMustConstraints();
  99         assertTrue(mustConstraints.isEmpty());
 100         assertEquals("description of port defined by refine", refineContainer.getDescription());
 101         assertEquals("port reference added by refine", refineContainer.getReference());
 102         assertFalse(refineContainer.isConfiguration());
 103         assertTrue(refineContainer.isPresenceContainer());
 104
 105         // list addresses
 106         assertNotNull(refineList);
 107         assertEquals("description of addresses defined by refine", refineList.getDescription());
 108         assertEquals("addresses reference added by refine", refineList.getReference());
 109         assertFalse(refineList.isConfiguration());
 110         assertEquals(2, (int) refineList.getConstraints().getMinElements());
 111         assertEquals(12, (int) refineList.getConstraints().getMaxElements());
 112
 113         // leaf id
 114         assertNotNull(refineInnerLeaf);
 115         assertEquals("id of address", refineInnerLeaf.getDescription());
 116     }
 117
 118     @Test
 119     public void testGrouping() {
 120         Module testModule = TestUtils.findModule(modules, "baz");
 121         Set<GroupingDefinition> groupings = testModule.getGroupings();
 122         assertEquals(1, groupings.size());
 123         GroupingDefinition grouping = groupings.iterator().next();
 124         Set<DataSchemaNode> children = grouping.getChildNodes();
 125         assertEquals(5, children.size());
 126     }
 127
 128     @Test
 129     public void testUses() {
 130         // suffix _u = added by uses
 131         // suffix _g = defined in grouping
 132
 133         Module testModule = TestUtils.findModule(modules, "baz");
 134
 135         // get grouping
 136         Set<GroupingDefinition> groupings = testModule.getGroupings();
 137         assertEquals(1, groupings.size());
 138         GroupingDefinition grouping = groupings.iterator().next();
 139
 140         testModule = TestUtils.findModule(modules, "foo");
 141
 142         // get node containing uses
 143         ContainerSchemaNode peer = (ContainerSchemaNode) testModule.getDataChildByName("peer");
 144         ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName("destination");
 145
 146         // check uses
 147         Set<UsesNode> uses = destination.getUses();
 148         assertEquals(1, uses.size());
 149
 150         // check uses process
 151         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) destination.getDataChildByName("data");
 152         assertNotNull(data_u);
 153         assertTrue(data_u.isAddedByUses());
 154
 155         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 156         assertNotNull(data_g);
 157         assertFalse(data_g.isAddedByUses());
 158         assertFalse(data_u.equals(data_g));
 159
 160         ChoiceNode how_u = (ChoiceNode) destination.getDataChildByName("how");
 161         assertNotNull(how_u);
 162         TestUtils.checkIsAddedByUses(how_u, true);
 163         assertEquals(2, how_u.getCases().size());
 164
 165         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 166         assertNotNull(how_g);
 167         TestUtils.checkIsAddedByUses(how_g, false);
 168         assertEquals(2, how_g.getCases().size());
 169         assertFalse(how_u.equals(how_g));
 170
 171         LeafSchemaNode address_u = (LeafSchemaNode) destination.getDataChildByName("address");
 172         assertNotNull(address_u);
 173         assertEquals("1.2.3.4", address_u.getDefault());
 174         assertEquals("IP address of target node", address_u.getDescription());
 175         assertEquals("address reference added by refine", address_u.getReference());
 176         assertFalse(address_u.isConfiguration());
 177         assertTrue(address_u.isAddedByUses());
 178         assertFalse(address_u.getConstraints().isMandatory());
 179
 180         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 181         assertNotNull(address_g);
 182         assertFalse(address_g.isAddedByUses());
 183         assertNull(address_g.getDefault());
 184         assertEquals("Target IP address", address_g.getDescription());
 185         assertNull(address_g.getReference());
 186         assertTrue(address_g.isConfiguration());
 187         assertFalse(address_u.equals(address_g));
 188         assertTrue(address_g.getConstraints().isMandatory());
 189
 190         ContainerSchemaNode port_u = (ContainerSchemaNode) destination.getDataChildByName("port");
 191         assertNotNull(port_u);
 192         TestUtils.checkIsAddedByUses(port_u, true);
 193
 194         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 195         assertNotNull(port_g);
 196         TestUtils.checkIsAddedByUses(port_g, false);
 197         assertFalse(port_u.equals(port_g));
 198
 199         ListSchemaNode addresses_u = (ListSchemaNode) destination.getDataChildByName("addresses");
 200         assertNotNull(addresses_u);
 201         TestUtils.checkIsAddedByUses(addresses_u, true);
 202
 203         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 204         assertNotNull(addresses_g);
 205         TestUtils.checkIsAddedByUses(addresses_g, false);
 206         assertFalse(addresses_u.equals(addresses_g));
 207
 208         // grouping defined by 'uses'
 209         Set<GroupingDefinition> groupings_u = destination.getGroupings();
 210         assertEquals(1, groupings_u.size());
 211         GroupingDefinition grouping_u = groupings_u.iterator().next();
 212         TestUtils.checkIsAddedByUses(grouping_u, true);
 213
 214         // grouping defined in 'grouping' node
 215         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 216         assertEquals(1, groupings_g.size());
 217         GroupingDefinition grouping_g = groupings_g.iterator().next();
 218         TestUtils.checkIsAddedByUses(grouping_g, false);
 219         assertFalse(grouping_u.equals(grouping_g));
 220
 221         List<UnknownSchemaNode> nodes_u = destination.getUnknownSchemaNodes();
 222         assertEquals(1, nodes_u.size());
 223         UnknownSchemaNode node_u = nodes_u.get(0);
 224         assertTrue(node_u.isAddedByUses());
 225
 226         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 227         assertEquals(1, nodes_g.size());
 228         UnknownSchemaNode node_g = nodes_g.get(0);
 229         assertFalse(node_g.isAddedByUses());
 230         assertFalse(node_u.equals(node_g));
 231     }
 232
 233     @Test
 234     public void testUsesUnderModule() {
 235         // suffix _u = added by uses
 236         // suffix _g = defined in grouping
 237
 238         Module testModule = TestUtils.findModule(modules, "baz");
 239
 240         // get grouping
 241         Set<GroupingDefinition> groupings = testModule.getGroupings();
 242         assertEquals(1, groupings.size());
 243         GroupingDefinition grouping = groupings.iterator().next();
 244
 245         // get node containing uses
 246         Module foo = TestUtils.findModule(modules, "foo");
 247
 248         // check uses
 249         Set<UsesNode> uses = foo.getUses();
 250         assertEquals(1, uses.size());
 251
 252         // check uses process
 253         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) foo.getDataChildByName("data");
 254         assertNotNull(data_u);
 255         assertTrue(data_u.isAddedByUses());
 256
 257         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping.getDataChildByName("data");
 258         assertNotNull(data_g);
 259         assertFalse(data_g.isAddedByUses());
 260         assertFalse(data_u.equals(data_g));
 261
 262         ChoiceNode how_u = (ChoiceNode) foo.getDataChildByName("how");
 263         assertNotNull(how_u);
 264         TestUtils.checkIsAddedByUses(how_u, true);
 265         assertFalse(how_u.isAugmenting());
 266         Set<ChoiceCaseNode> cases_u = how_u.getCases();
 267         assertEquals(2, cases_u.size());
 268         ChoiceCaseNode interval = how_u.getCaseNodeByName("interval");
 269         assertFalse(interval.isAugmenting());
 270         LeafSchemaNode name = (LeafSchemaNode) interval.getDataChildByName("name");
 271         assertTrue(name.isAugmenting());
 272         LeafSchemaNode intervalLeaf = (LeafSchemaNode) interval.getDataChildByName("interval");
 273         assertFalse(intervalLeaf.isAugmenting());
 274
 275         ChoiceNode how_g = (ChoiceNode) grouping.getDataChildByName("how");
 276         assertNotNull(how_g);
 277         TestUtils.checkIsAddedByUses(how_g, false);
 278         assertFalse(how_u.equals(how_g));
 279
 280         LeafSchemaNode address_u = (LeafSchemaNode) foo.getDataChildByName("address");
 281         assertNotNull(address_u);
 282         assertNull(address_u.getDefault());
 283         assertEquals("Target IP address", address_u.getDescription());
 284         assertNull(address_u.getReference());
 285         assertTrue(address_u.isConfiguration());
 286         assertTrue(address_u.isAddedByUses());
 287
 288         LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName("address");
 289         assertNotNull(address_g);
 290         assertFalse(address_g.isAddedByUses());
 291         assertNull(address_g.getDefault());
 292         assertEquals("Target IP address", address_g.getDescription());
 293         assertNull(address_g.getReference());
 294         assertTrue(address_g.isConfiguration());
 295         assertFalse(address_u.equals(address_g));
 296
 297         ContainerSchemaNode port_u = (ContainerSchemaNode) foo.getDataChildByName("port");
 298         assertNotNull(port_u);
 299         TestUtils.checkIsAddedByUses(port_u, true);
 300
 301         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName("port");
 302         assertNotNull(port_g);
 303         TestUtils.checkIsAddedByUses(port_g, false);
 304         assertFalse(port_u.equals(port_g));
 305
 306         ListSchemaNode addresses_u = (ListSchemaNode) foo.getDataChildByName("addresses");
 307         assertNotNull(addresses_u);
 308         TestUtils.checkIsAddedByUses(addresses_u, true);
 309
 310         ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName("addresses");
 311         assertNotNull(addresses_g);
 312         TestUtils.checkIsAddedByUses(addresses_g, false);
 313         assertFalse(addresses_u.equals(addresses_g));
 314
 315         // grouping defined by 'uses'
 316         Set<GroupingDefinition> groupings_u = foo.getGroupings();
 317         assertEquals(1, groupings_u.size());
 318         GroupingDefinition grouping_u = groupings_u.iterator().next();
 319         TestUtils.checkIsAddedByUses(grouping_u, true);
 320
 321         // grouping defined in 'grouping' node
 322         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 323         assertEquals(1, groupings_g.size());
 324         GroupingDefinition grouping_g = groupings_g.iterator().next();
 325         TestUtils.checkIsAddedByUses(grouping_g, false);
 326         assertFalse(grouping_u.equals(grouping_g));
 327
 328         List<UnknownSchemaNode> nodes_u = foo.getUnknownSchemaNodes();
 329         assertEquals(1, nodes_u.size());
 330         UnknownSchemaNode node_u = nodes_u.get(0);
 331         assertTrue(node_u.isAddedByUses());
 332
 333         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 334         assertEquals(1, nodes_g.size());
 335         UnknownSchemaNode node_g = nodes_g.get(0);
 336         assertFalse(node_g.isAddedByUses());
 337         assertFalse(node_u.equals(node_g));
 338
 339         UsesNode un = uses.iterator().next();
 340         Set<AugmentationSchema> usesAugments = un.getAugmentations();
 341         assertEquals(1, usesAugments.size());
 342         AugmentationSchema augment = usesAugments.iterator().next();
 343         assertEquals("inner augment", augment.getDescription());
 344         Set<DataSchemaNode> children = augment.getChildNodes();
 345         assertEquals(1, children.size());
 346         DataSchemaNode leaf = children.iterator().next();
 347         assertTrue(leaf instanceof LeafSchemaNode);
 348         assertEquals("name", leaf.getQName().getLocalName());
 349     }
 350
 351     @Test
 352     public void testCascadeUses() throws Exception {
 353         File yangFile = new File(getClass().getResource("/grouping-test/cascade-uses.yang").toURI());
 354         YangModelParser parser = new YangParserImpl();
 355         modules = parser.parseYangModels(Collections.singletonList(yangFile));
 356         assertEquals(1, modules.size());
 357
 358         Module testModule = TestUtils.findModule(modules, "cascade-uses");
 359         Set<GroupingDefinition> groupings = testModule.getGroupings();
 360
 361         GroupingDefinition gu = null;
 362         GroupingDefinition gv = null;
 363         GroupingDefinition gx = null;
 364         GroupingDefinition gy = null;
 365         GroupingDefinition gz = null;
 366         GroupingDefinition gzz = null;
 367         for (GroupingDefinition gd : groupings) {
 368             String name = gd.getQName().getLocalName();
 369             switch (name) {
 370             case "grouping-U":
 371                 gu = gd;
 372                 break;
 373             case "grouping-V":
 374                 gv = gd;
 375                 break;
 376             case "grouping-X":
 377                 gx = gd;
 378                 break;
 379             case "grouping-Y":
 380                 gy = gd;
 381                 break;
 382             case "grouping-Z":
 383                 gz = gd;
 384                 break;
 385             case "grouping-ZZ":
 386                 gzz = gd;
 387                 break;
 388             }
 389         }
 390         assertNotNull(gu);
 391         assertNotNull(gv);
 392         assertNotNull(gx);
 393         assertNotNull(gy);
 394         assertNotNull(gz);
 395         assertNotNull(gzz);
 396
 397         URI expectedNS = URI.create("urn:grouping:cascade-uses");
 398         Date expectedRev = new SimpleDateFormat("yyyy-MM-dd").parse("2013-07-18");
 399         String expectedPref = "cu";
 400         SchemaPath expectedPath;
 401
 402         // grouping-U
 403         Set<DataSchemaNode> childNodes = gu.getChildNodes();
 404         assertEquals(7, childNodes.size());
 405         LeafSchemaNode leafGroupingU = null;
 406         for (DataSchemaNode childNode : childNodes) {
 407             if ("leaf-grouping-U".equals(childNode.getQName().getLocalName())) {
 408                 leafGroupingU = (LeafSchemaNode) childNode;
 409             } else {
 410                 TestUtils.checkIsAddedByUses(childNode, true);
 411             }
 412         }
 413         assertNotNull(leafGroupingU);
 414         assertFalse(leafGroupingU.isAddedByUses());
 415
 416         // grouping-V
 417         childNodes = gv.getChildNodes();
 418         assertEquals(4, childNodes.size());
 419         LeafSchemaNode leafGroupingV = null;
 420         ContainerSchemaNode containerGroupingV = null;
 421         for (DataSchemaNode childNode : childNodes) {
 422             if ("leaf-grouping-V".equals(childNode.getQName().getLocalName())) {
 423                 leafGroupingV = (LeafSchemaNode) childNode;
 424             } else if ("container-grouping-V".equals(childNode.getQName().getLocalName())) {
 425                 containerGroupingV = (ContainerSchemaNode) childNode;
 426             } else {
 427                 TestUtils.checkIsAddedByUses(childNode, true);
 428             }
 429         }
 430         assertNotNull(leafGroupingV);
 431         assertFalse(leafGroupingV.isAddedByUses());
 432
 433         // grouping-V/container-grouping-V
 434         assertNotNull(containerGroupingV);
 435         assertFalse(containerGroupingV.isAddedByUses());
 436         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 437                 "container-grouping-V");
 438         assertEquals(expectedPath, containerGroupingV.getPath());
 439         childNodes = containerGroupingV.getChildNodes();
 440         assertEquals(2, childNodes.size());
 441         for (DataSchemaNode childNode : childNodes) {
 442             TestUtils.checkIsAddedByUses(childNode, true);
 443         }
 444
 445         // grouping-V/container-grouping-V/leaf-grouping-X
 446         LeafSchemaNode leafXinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-X");
 447         assertNotNull(leafXinContainerV);
 448         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 449                 "container-grouping-V", "leaf-grouping-X");
 450         assertEquals(expectedPath, leafXinContainerV.getPath());
 451         // grouping-V/container-grouping-V/leaf-grouping-Y
 452         LeafSchemaNode leafYinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName("leaf-grouping-Y");
 453         assertNotNull(leafYinContainerV);
 454         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-V",
 455                 "container-grouping-V", "leaf-grouping-Y");
 456         assertEquals(expectedPath, leafYinContainerV.getPath());
 457
 458         // grouping-X
 459         childNodes = gx.getChildNodes();
 460         assertEquals(2, childNodes.size());
 461
 462         // grouping-X/leaf-grouping-X
 463         LeafSchemaNode leafXinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-X");
 464         assertNotNull(leafXinGX);
 465         assertFalse(leafXinGX.isAddedByUses());
 466         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 467                 "leaf-grouping-X");
 468         assertEquals(expectedPath, leafXinGX.getPath());
 469
 470         // grouping-X/leaf-grouping-Y
 471         LeafSchemaNode leafYinGX = (LeafSchemaNode) gx.getDataChildByName("leaf-grouping-Y");
 472         assertNotNull(leafYinGX);
 473         assertTrue(leafYinGX.isAddedByUses());
 474         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-X",
 475                 "leaf-grouping-Y");
 476         assertEquals(expectedPath, leafYinGX.getPath());
 477
 478         // grouping-Y
 479         childNodes = gy.getChildNodes();
 480         assertEquals(1, childNodes.size());
 481
 482         // grouping-Y/leaf-grouping-Y
 483         LeafSchemaNode leafYinGY = (LeafSchemaNode) gy.getDataChildByName("leaf-grouping-Y");
 484         assertNotNull(leafYinGY);
 485         assertFalse(leafYinGY.isAddedByUses());
 486         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Y",
 487                 "leaf-grouping-Y");
 488         assertEquals(expectedPath, leafYinGY.getPath());
 489
 490         // grouping-Z
 491         childNodes = gz.getChildNodes();
 492         assertEquals(1, childNodes.size());
 493
 494         // grouping-Z/leaf-grouping-Z
 495         LeafSchemaNode leafZinGZ = (LeafSchemaNode) gz.getDataChildByName("leaf-grouping-Z");
 496         assertNotNull(leafZinGZ);
 497         assertFalse(leafZinGZ.isAddedByUses());
 498         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-Z",
 499                 "leaf-grouping-Z");
 500         assertEquals(expectedPath, leafZinGZ.getPath());
 501
 502         // grouping-ZZ
 503         childNodes = gzz.getChildNodes();
 504         assertEquals(1, childNodes.size());
 505
 506         // grouping-ZZ/leaf-grouping-ZZ
 507         LeafSchemaNode leafZZinGZZ = (LeafSchemaNode) gzz.getDataChildByName("leaf-grouping-ZZ");
 508         assertNotNull(leafZZinGZZ);
 509         assertFalse(leafZZinGZZ.isAddedByUses());
 510         expectedPath = TestUtils.createPath(true, expectedNS, expectedRev, expectedPref, "grouping-ZZ",
 511                 "leaf-grouping-ZZ");
 512         assertEquals(expectedPath, leafZZinGZZ.getPath());
 513     }
 514
 515 }