parser/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/stmt/GroupingTest.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.stmt;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotEquals;
  13 import static org.junit.Assert.assertNotNull;
  14 import static org.junit.Assert.assertNull;
  15 import static org.junit.Assert.assertTrue;
  16
  17 import com.google.common.collect.Iterables;
  18 import java.util.Collection;
  19 import java.util.Map;
  20 import java.util.Optional;
  21 import org.junit.Test;
  22 import org.opendaylight.yangtools.yang.common.QName;
  23 import org.opendaylight.yangtools.yang.common.QNameModule;
  24 import org.opendaylight.yangtools.yang.common.Revision;
  25 import org.opendaylight.yangtools.yang.common.XMLNamespace;
  26 import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
  27 import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
  28 import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
  29 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
  30 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  31 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
  32 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  33 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  34 import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
  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.TypeDefinition;
  42 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  43 import org.opendaylight.yangtools.yang.model.api.stmt.RefineEffectiveStatement;
  44 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Descendant;
  45 import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;
  46
  47 public class GroupingTest extends AbstractModelTest {
  48     @Test
  49     public void testRefine() {
  50         final ContainerSchemaNode peer = (ContainerSchemaNode) FOO.getDataChildByName(fooQName("peer"));
  51         final ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName(fooQName("destination"));
  52
  53         final Collection<? extends UsesNode> usesNodes = destination.getUses();
  54         assertEquals(1, usesNodes.size());
  55         final UsesNode usesNode = usesNodes.iterator().next();
  56         final Map<Descendant, SchemaNode> refines = usesNode.getRefines();
  57         assertEquals(4, refines.size());
  58
  59         LeafSchemaNode refineLeaf = null;
  60         ContainerSchemaNode refineContainer = null;
  61         ListSchemaNode refineList = null;
  62         LeafSchemaNode refineInnerLeaf = null;
  63         for (final Map.Entry<Descendant, SchemaNode> entry : refines.entrySet()) {
  64             final SchemaNode value = entry.getValue();
  65             if ("address".equals(value.getQName().getLocalName())) {
  66                 refineLeaf = (LeafSchemaNode) destination.getDataChildByName(value.getQName());
  67             } else if ("port".equals(value.getQName().getLocalName())) {
  68                 refineContainer = (ContainerSchemaNode) destination.getDataChildByName(value.getQName());
  69             } else if ("addresses".equals(value.getQName().getLocalName())) {
  70                 refineList = (ListSchemaNode) destination.getDataChildByName(value.getQName());
  71             }
  72         }
  73
  74         assertNotNull(refineList);
  75         for (final Map.Entry<Descendant, SchemaNode> entry : refines.entrySet()) {
  76             final SchemaNode value = entry.getValue();
  77             if ("id".equals(value.getQName().getLocalName())) {
  78                 refineInnerLeaf = (LeafSchemaNode) refineList.getDataChildByName(value.getQName());
  79             }
  80         }
  81
  82         // leaf address
  83         assertNotNull(refineLeaf);
  84         assertEquals(Optional.of("IP address of target node"), refineLeaf.getDescription());
  85         assertEquals(Optional.of("address reference added by refine"), refineLeaf.getReference());
  86         assertEquals(Optional.of(Boolean.FALSE), refineLeaf.effectiveConfig());
  87         assertFalse(refineLeaf.isMandatory());
  88         final Collection<? extends MustDefinition> leafMustConstraints = refineLeaf.getMustConstraints();
  89         assertEquals(1, leafMustConstraints.size());
  90         final MustDefinition leafMust = leafMustConstraints.iterator().next();
  91         assertEquals("ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)", leafMust.getXpath().toString());
  92         assertEquals(0, refineLeaf.getUnknownSchemaNodes().size());
  93         assertEquals(1, usesNode.asEffectiveStatement()
  94             .findFirstEffectiveSubstatement(RefineEffectiveStatement.class).orElseThrow().getDeclared()
  95             .declaredSubstatements(UnrecognizedStatement.class).size());
  96
  97         // container port
  98         assertNotNull(refineContainer);
  99         final Collection<? extends MustDefinition> mustConstraints = refineContainer.getMustConstraints();
 100         assertTrue(mustConstraints.isEmpty());
 101         assertEquals(Optional.of("description of port defined by refine"), refineContainer.getDescription());
 102         assertEquals(Optional.of("port reference added by refine"), refineContainer.getReference());
 103         assertEquals(Optional.of(Boolean.FALSE), refineContainer.effectiveConfig());
 104         assertTrue(refineContainer.isPresenceContainer());
 105
 106         // list addresses
 107         assertEquals(Optional.of("description of addresses defined by refine"), refineList.getDescription());
 108         assertEquals(Optional.of("addresses reference added by refine"), refineList.getReference());
 109         assertEquals(Optional.of(Boolean.FALSE), refineList.effectiveConfig());
 110
 111         final ElementCountConstraint constraint = refineList.getElementCountConstraint().get();
 112         assertEquals((Object) 2, constraint.getMinElements());
 113         assertNull(constraint.getMaxElements());
 114
 115         // leaf id
 116         assertNotNull(refineInnerLeaf);
 117         assertEquals(Optional.of("id of address"), refineInnerLeaf.getDescription());
 118     }
 119
 120     @Test
 121     public void testGrouping() {
 122         final Collection<? extends GroupingDefinition> groupings = BAZ.getGroupings();
 123         assertEquals(1, groupings.size());
 124         final GroupingDefinition grouping = groupings.iterator().next();
 125         final Collection<? extends DataSchemaNode> children = grouping.getChildNodes();
 126         assertEquals(5, children.size());
 127     }
 128
 129     @Test
 130     public void testUses() {
 131         // suffix _u = added by uses
 132         // suffix _g = defined in grouping
 133
 134
 135         // get grouping
 136         final Collection<? extends GroupingDefinition> groupings = BAZ.getGroupings();
 137         assertEquals(1, groupings.size());
 138         final GroupingDefinition grouping = groupings.iterator().next();
 139
 140         // get node containing uses
 141         final ContainerSchemaNode peer = (ContainerSchemaNode) FOO.getDataChildByName(fooQName("peer"));
 142         final ContainerSchemaNode destination = (ContainerSchemaNode) peer.getDataChildByName(fooQName("destination"));
 143
 144         // check uses
 145         final Collection<? extends UsesNode> uses = destination.getUses();
 146         assertEquals(1, uses.size());
 147
 148         // check uses process
 149         final AnyxmlSchemaNode data_u = (AnyxmlSchemaNode) destination.getDataChildByName(fooQName("data"));
 150         assertTrue(data_u.isAddedByUses());
 151
 152         final AnyxmlSchemaNode data_g = (AnyxmlSchemaNode) grouping.getDataChildByName(bazQName("data"));
 153         assertFalse(data_g.isAddedByUses());
 154         assertNotEquals(data_u, data_g);
 155
 156         final ChoiceSchemaNode how_u = (ChoiceSchemaNode) destination.getDataChildByName(fooQName("how"));
 157         assertIsAddedByUses(how_u, true);
 158         assertEquals(2, how_u.getCases().size());
 159
 160         final ChoiceSchemaNode how_g = (ChoiceSchemaNode) grouping.getDataChildByName(bazQName("how"));
 161         assertIsAddedByUses(how_g, false);
 162         assertEquals(2, how_g.getCases().size());
 163         assertNotEquals(how_u, how_g);
 164
 165         final LeafSchemaNode address_u = (LeafSchemaNode) destination.getDataChildByName(fooQName("address"));
 166         assertEquals(Optional.of("1.2.3.4"), address_u.getType().getDefaultValue());
 167         assertEquals(Optional.of("IP address of target node"), address_u.getDescription());
 168         assertEquals(Optional.of("address reference added by refine"), address_u.getReference());
 169         assertEquals(Optional.of(Boolean.FALSE), address_u.effectiveConfig());
 170         assertTrue(address_u.isAddedByUses());
 171         assertFalse(address_u.isMandatory());
 172
 173         final LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName(bazQName("address"));
 174         assertFalse(address_g.isAddedByUses());
 175         assertEquals(Optional.empty(), address_g.getType().getDefaultValue());
 176         assertEquals(Optional.of("Target IP address"), address_g.getDescription());
 177         assertEquals(Optional.empty(), address_g.getReference());
 178         assertEquals(Optional.empty(), address_g.effectiveConfig());
 179         assertTrue(address_g.isMandatory());
 180         assertNotEquals(address_u, address_g);
 181
 182         final ContainerSchemaNode port_u = (ContainerSchemaNode) destination.getDataChildByName(fooQName("port"));
 183         assertIsAddedByUses(port_u, true);
 184
 185         final ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName(bazQName("port"));
 186         assertIsAddedByUses(port_g, false);
 187         assertNotEquals(port_u, port_g);
 188
 189         final ListSchemaNode addresses_u = (ListSchemaNode) destination.getDataChildByName(fooQName("addresses"));
 190         assertIsAddedByUses(addresses_u, true);
 191
 192         final ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName(bazQName("addresses"));
 193         assertIsAddedByUses(addresses_g, false);
 194         assertNotEquals(addresses_u, addresses_g);
 195
 196         // grouping defined by 'uses'
 197         final Collection<? extends GroupingDefinition> groupings_u = destination.getGroupings();
 198         assertEquals(0, groupings_u.size());
 199
 200         // grouping defined in 'grouping' node
 201         final Collection<? extends GroupingDefinition> groupings_g = grouping.getGroupings();
 202         assertEquals(1, groupings_g.size());
 203         final GroupingDefinition grouping_g = groupings_g.iterator().next();
 204         assertIsAddedByUses(grouping_g, false);
 205
 206         assertEquals(0, destination.getUnknownSchemaNodes().size());
 207         assertEquals(1,
 208             grouping.asEffectiveStatement().getDeclared().declaredSubstatements(UnrecognizedStatement.class).size());
 209     }
 210
 211     @Test
 212     public void testUsesUnderModule() {
 213         // suffix _u = added by uses
 214         // suffix _g = defined in grouping
 215
 216         // get grouping
 217         final Collection<? extends GroupingDefinition> groupings = BAZ.getGroupings();
 218         assertEquals(1, groupings.size());
 219         final GroupingDefinition grouping = groupings.iterator().next();
 220
 221         // check uses
 222         final Collection<? extends UsesNode> uses = FOO.getUses();
 223         assertEquals(1, uses.size());
 224
 225         // check uses process
 226         final AnyxmlSchemaNode data_u = (AnyxmlSchemaNode) FOO.getDataChildByName(fooQName("data"));
 227         assertTrue(data_u.isAddedByUses());
 228
 229         final AnyxmlSchemaNode data_g = (AnyxmlSchemaNode) grouping.getDataChildByName(bazQName("data"));
 230         assertFalse(data_g.isAddedByUses());
 231         assertNotEquals(data_u, data_g);
 232
 233         final ChoiceSchemaNode how_u = (ChoiceSchemaNode) FOO.getDataChildByName(fooQName("how"));
 234         assertIsAddedByUses(how_u, true);
 235         assertFalse(how_u.isAugmenting());
 236         final Collection<? extends CaseSchemaNode> cases_u = how_u.getCases();
 237         assertEquals(2, cases_u.size());
 238         final CaseSchemaNode interval = how_u.findCaseNodes("interval").iterator().next();
 239         assertFalse(interval.isAugmenting());
 240         final LeafSchemaNode name = (LeafSchemaNode) interval.getDataChildByName(fooQName("name"));
 241         assertTrue(name.isAugmenting());
 242         final LeafSchemaNode intervalLeaf = (LeafSchemaNode) interval.getDataChildByName(fooQName("interval"));
 243         assertFalse(intervalLeaf.isAugmenting());
 244
 245         final ChoiceSchemaNode how_g = (ChoiceSchemaNode) grouping.getDataChildByName(bazQName("how"));
 246         assertIsAddedByUses(how_g, false);
 247         assertNotEquals(how_u, how_g);
 248
 249         final LeafSchemaNode address_u = (LeafSchemaNode) FOO.getDataChildByName(fooQName("address"));
 250         assertEquals(Optional.empty(), address_u.getType().getDefaultValue());
 251         assertEquals(Optional.of("Target IP address"), address_u.getDescription());
 252         assertFalse(address_u.getReference().isPresent());
 253         assertEquals(Optional.empty(), address_u.effectiveConfig());
 254         assertTrue(address_u.isAddedByUses());
 255
 256         final LeafSchemaNode address_g = (LeafSchemaNode) grouping.getDataChildByName(bazQName("address"));
 257         assertFalse(address_g.isAddedByUses());
 258         assertEquals(Optional.empty(), address_g.getType().getDefaultValue());
 259         assertEquals(Optional.of("Target IP address"), address_g.getDescription());
 260         assertFalse(address_g.getReference().isPresent());
 261         assertEquals(Optional.empty(), address_g.effectiveConfig());
 262         assertNotEquals(address_u, address_g);
 263
 264         final ContainerSchemaNode port_u = (ContainerSchemaNode) FOO.getDataChildByName(fooQName("port"));
 265         assertIsAddedByUses(port_u, true);
 266
 267         final ContainerSchemaNode port_g = (ContainerSchemaNode) grouping.getDataChildByName(bazQName("port"));
 268         assertIsAddedByUses(port_g, false);
 269         assertNotEquals(port_u, port_g);
 270
 271         final ListSchemaNode addresses_u = (ListSchemaNode) FOO.getDataChildByName(fooQName("addresses"));
 272         assertIsAddedByUses(addresses_u, true);
 273
 274         final ListSchemaNode addresses_g = (ListSchemaNode) grouping.getDataChildByName(bazQName("addresses"));
 275         assertIsAddedByUses(addresses_g, false);
 276         assertNotEquals(addresses_u, addresses_g);
 277
 278         // grouping defined by 'uses'
 279         final Collection<? extends GroupingDefinition> groupings_u = FOO.getGroupings();
 280         assertEquals(0, groupings_u.size());
 281
 282         // grouping defined in 'grouping' node
 283         final Collection<? extends GroupingDefinition> groupings_g = grouping.getGroupings();
 284         assertEquals(1, groupings_g.size());
 285         final GroupingDefinition grouping_g = groupings_g.iterator().next();
 286         assertIsAddedByUses(grouping_g, false);
 287
 288         assertEquals(0, grouping.getUnknownSchemaNodes().size());
 289         assertEquals(1, grouping.asEffectiveStatement().getDeclared().declaredSubstatements(UnrecognizedStatement.class)
 290             .size());
 291
 292         final UsesNode un = uses.iterator().next();
 293         final Collection<? extends AugmentationSchemaNode> usesAugments = un.getAugmentations();
 294         assertEquals(1, usesAugments.size());
 295         final AugmentationSchemaNode augment = usesAugments.iterator().next();
 296         assertEquals(Optional.of("inner augment"), augment.getDescription());
 297         final Collection<? extends DataSchemaNode> children = augment.getChildNodes();
 298         assertEquals(1, children.size());
 299         final DataSchemaNode leaf = children.iterator().next();
 300         assertTrue(leaf instanceof LeafSchemaNode);
 301         assertEquals("name", leaf.getQName().getLocalName());
 302     }
 303
 304     @Test
 305     public void testCascadeUses() throws Exception {
 306         final EffectiveModelContext loadModules = TestUtils.parseYangSource("/grouping-test/cascade-uses.yang");
 307         assertEquals(1, loadModules.getModules().size());
 308
 309         final Module testModule =  Iterables.getOnlyElement(loadModules.findModules("cascade-uses"));
 310         final QNameModule namespace = testModule.getQNameModule();
 311         final Collection<? extends GroupingDefinition> groupings = testModule.getGroupings();
 312
 313         GroupingDefinition gu = null;
 314         GroupingDefinition gv = null;
 315         GroupingDefinition gx = null;
 316         GroupingDefinition gy = null;
 317         GroupingDefinition gz = null;
 318         GroupingDefinition gzz = null;
 319         for (final GroupingDefinition gd : groupings) {
 320             final String name = gd.getQName().getLocalName();
 321             switch (name) {
 322                 case "grouping-U":
 323                     gu = gd;
 324                     break;
 325                 case "grouping-V":
 326                     gv = gd;
 327                     break;
 328                 case "grouping-X":
 329                     gx = gd;
 330                     break;
 331                 case "grouping-Y":
 332                     gy = gd;
 333                     break;
 334                 case "grouping-Z":
 335                     gz = gd;
 336                     break;
 337                 case "grouping-ZZ":
 338                     gzz = gd;
 339                     break;
 340                 default:
 341                     break;
 342             }
 343         }
 344         assertNotNull(gu);
 345         assertNotNull(gv);
 346         assertNotNull(gx);
 347         assertNotNull(gy);
 348         assertNotNull(gz);
 349         assertNotNull(gzz);
 350
 351         final QNameModule expectedModule = QNameModule.create(XMLNamespace.of("urn:grouping:cascade-uses"),
 352             Revision.of("2013-07-18"));
 353
 354         // grouping-U
 355         Collection<? extends DataSchemaNode> childNodes = gu.getChildNodes();
 356         assertEquals(7, childNodes.size());
 357
 358         final LeafSchemaNode leafGroupingU = (LeafSchemaNode) gu.getDataChildByName(
 359             QName.create(namespace, "leaf-grouping-U"));
 360         assertFalse(leafGroupingU.isAddedByUses());
 361
 362         for (final DataSchemaNode childNode : childNodes) {
 363             if (!childNode.getQName().equals(leafGroupingU.getQName())) {
 364                 assertIsAddedByUses(childNode, true);
 365             }
 366         }
 367
 368         // grouping-V
 369         childNodes = gv.getChildNodes();
 370         assertEquals(4, childNodes.size());
 371         LeafSchemaNode leafGroupingV = null;
 372         ContainerSchemaNode containerGroupingV = null;
 373         for (final DataSchemaNode childNode : childNodes) {
 374             if ("leaf-grouping-V".equals(childNode.getQName().getLocalName())) {
 375                 leafGroupingV = (LeafSchemaNode) childNode;
 376             } else if ("container-grouping-V".equals(childNode.getQName().getLocalName())) {
 377                 containerGroupingV = (ContainerSchemaNode) childNode;
 378             } else {
 379                 assertIsAddedByUses(childNode, true);
 380             }
 381         }
 382         assertNotNull(leafGroupingV);
 383         assertFalse(leafGroupingV.isAddedByUses());
 384
 385         // grouping-V/container-grouping-V
 386         assertNotNull(containerGroupingV);
 387         assertFalse(containerGroupingV.isAddedByUses());
 388         assertEquals(QName.create(expectedModule, "container-grouping-V"), containerGroupingV.getQName());
 389         childNodes = containerGroupingV.getChildNodes();
 390         assertEquals(2, childNodes.size());
 391         for (final DataSchemaNode childNode : childNodes) {
 392             assertIsAddedByUses(childNode, true);
 393         }
 394
 395         // grouping-V/container-grouping-V/leaf-grouping-X
 396         final LeafSchemaNode leafXinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName(
 397             QName.create(namespace, "leaf-grouping-X"));
 398         assertEquals(QName.create(expectedModule, "leaf-grouping-X"), leafXinContainerV.getQName());
 399         // grouping-V/container-grouping-V/leaf-grouping-Y
 400         final LeafSchemaNode leafYinContainerV = (LeafSchemaNode) containerGroupingV.getDataChildByName(
 401             QName.create(namespace, "leaf-grouping-Y"));
 402         assertEquals(QName.create(expectedModule, "leaf-grouping-Y"), leafYinContainerV.getQName());
 403
 404         // grouping-X
 405         childNodes = gx.getChildNodes();
 406         assertEquals(2, childNodes.size());
 407
 408         // grouping-X/leaf-grouping-X
 409         final LeafSchemaNode leafXinGX = (LeafSchemaNode) gx.getDataChildByName(
 410             QName.create(namespace, "leaf-grouping-X"));
 411         assertFalse(leafXinGX.isAddedByUses());
 412         assertEquals(QName.create(expectedModule, "leaf-grouping-X"), leafXinGX.getQName());
 413
 414         // grouping-X/leaf-grouping-Y
 415         final LeafSchemaNode leafYinGX = (LeafSchemaNode) gx.getDataChildByName(
 416             QName.create(namespace, "leaf-grouping-Y"));
 417         assertTrue(leafYinGX.isAddedByUses());
 418         assertEquals(QName.create(expectedModule, "leaf-grouping-Y"), leafYinGX.getQName());
 419
 420         // grouping-Y
 421         childNodes = gy.getChildNodes();
 422         assertEquals(1, childNodes.size());
 423
 424         // grouping-Y/leaf-grouping-Y
 425         final LeafSchemaNode leafYinGY = (LeafSchemaNode) gy.getDataChildByName(
 426             QName.create(namespace, "leaf-grouping-Y"));
 427         assertFalse(leafYinGY.isAddedByUses());
 428         assertEquals(QName.create(expectedModule, "leaf-grouping-Y"), leafYinGY.getQName());
 429
 430         // grouping-Z
 431         childNodes = gz.getChildNodes();
 432         assertEquals(1, childNodes.size());
 433
 434         // grouping-Z/leaf-grouping-Z
 435         final LeafSchemaNode leafZinGZ = (LeafSchemaNode) gz.getDataChildByName(
 436             QName.create(namespace, "leaf-grouping-Z"));
 437         assertFalse(leafZinGZ.isAddedByUses());
 438         assertEquals(QName.create(expectedModule, "leaf-grouping-Z"), leafZinGZ.getQName());
 439
 440         // grouping-ZZ
 441         childNodes = gzz.getChildNodes();
 442         assertEquals(1, childNodes.size());
 443
 444         // grouping-ZZ/leaf-grouping-ZZ
 445         final LeafSchemaNode leafZZinGZZ = (LeafSchemaNode) gzz.getDataChildByName(
 446             QName.create(namespace, "leaf-grouping-ZZ"));
 447         assertFalse(leafZZinGZZ.isAddedByUses());
 448         assertEquals(QName.create(expectedModule, "leaf-grouping-ZZ"), leafZZinGZZ.getQName());
 449     }
 450
 451     @Test
 452     public void testAddedByUsesLeafTypeQName() throws Exception {
 453         final EffectiveModelContext loadModules = assertEffectiveModelDir("/added-by-uses-leaf-test");
 454         assertEquals(2, loadModules.getModules().size());
 455
 456         final Module foo = Iterables.getOnlyElement(loadModules.findModules("foo"));
 457         final Module imp = Iterables.getOnlyElement(loadModules.findModules("import-module"));
 458
 459         final LeafSchemaNode leaf = (LeafSchemaNode)
 460             ((ContainerSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(), "my-container")))
 461             .getDataChildByName(QName.create(foo.getQNameModule(), "my-leaf"));
 462
 463         TypeDefinition<?> impType = null;
 464         for (final TypeDefinition<?> typeDefinition : imp.getTypeDefinitions()) {
 465             if (typeDefinition.getQName().getLocalName().equals("imp-type")) {
 466                 impType = typeDefinition;
 467                 break;
 468             }
 469         }
 470
 471         assertNotNull(impType);
 472         assertEquals(leaf.getType().getQName(), impType.getQName());
 473     }
 474
 475     private static void assertIsAddedByUses(final GroupingDefinition node, final boolean expected) {
 476         assertEquals(expected, node.isAddedByUses());
 477         for (DataSchemaNode child : node.getChildNodes()) {
 478             assertIsAddedByUses(child, expected);
 479         }
 480     }
 481
 482     /**
 483      * Check if node has addedByUses flag set to expected value. In case this is
 484      * DataNodeContainer/ChoiceNode, check its child nodes/case nodes too.
 485      *
 486      * @param node node to check
 487      * @param expected expected value
 488      */
 489     private static void assertIsAddedByUses(final DataSchemaNode node, final boolean expected) {
 490         assertEquals(expected, node.isAddedByUses());
 491         if (node instanceof DataNodeContainer) {
 492             for (DataSchemaNode child : ((DataNodeContainer) node)
 493                     .getChildNodes()) {
 494                 assertIsAddedByUses(child, expected);
 495             }
 496         } else if (node instanceof ChoiceSchemaNode) {
 497             for (CaseSchemaNode caseNode : ((ChoiceSchemaNode) node).getCases()) {
 498                 assertIsAddedByUses(caseNode, expected);
 499             }
 500         }
 501     }
 502 }