yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/stmt/retest/YangParserWithContextTest.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.stmt.retest;
   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.assertTrue;
  14 import java.io.File;
  15 import java.net.URI;
  16 import java.text.DateFormat;
  17 import java.text.SimpleDateFormat;
  18 import java.util.ArrayList;
  19 import java.util.Arrays;
  20 import java.util.Collections;
  21 import java.util.Date;
  22 import java.util.List;
  23 import java.util.Map;
  24 import java.util.Set;
  25 import org.junit.Test;
  26 import org.opendaylight.yangtools.yang.common.QName;
  27 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
  28 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
  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.DataSchemaNode;
  32 import org.opendaylight.yangtools.yang.model.api.Deviation;
  33 import org.opendaylight.yangtools.yang.model.api.Deviation.Deviate;
  34 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  35 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
  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.SchemaContext;
  41 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  42 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  43 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  44 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  45 import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
  46 import org.opendaylight.yangtools.yang.model.api.type.UnsignedIntegerTypeDefinition;
  47 import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
  48 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
  49 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangInferencePipeline;
  50 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangStatementSourceImpl;
  51 import org.opendaylight.yangtools.yang.stmt.test.StmtTestUtils;
  52
  53 public class YangParserWithContextTest {
  54     private final DateFormat simpleDateFormat = new SimpleDateFormat(
  55             "yyyy-MM-dd");
  56     private final YangParserImpl parser = new YangParserImpl();
  57
  58     private static final YangStatementSourceImpl BAR = new YangStatementSourceImpl(
  59             "/model/bar.yang", false);
  60     private static final YangStatementSourceImpl BAZ = new YangStatementSourceImpl(
  61             "/model/baz.yang", false);
  62     private static final YangStatementSourceImpl FOO = new YangStatementSourceImpl(
  63             "/model/foo.yang", false);
  64     private static final YangStatementSourceImpl SUBFOO = new YangStatementSourceImpl(
  65             "/model/subfoo.yang", false);
  66
  67     private static final YangStatementSourceImpl[] IETF = new YangStatementSourceImpl[] {
  68         new YangStatementSourceImpl("/ietf/iana-afn-safi@2012-06-04.yang", false),
  69         new YangStatementSourceImpl("/ietf/iana-if-type@2012-06-05.yang", false),
  70         new YangStatementSourceImpl("/ietf/iana-timezones@2012-07-09.yang", false),
  71         new YangStatementSourceImpl("/ietf/ietf-inet-types@2010-09-24.yang", false),
  72         new YangStatementSourceImpl("/ietf/ietf-yang-types@2010-09-24.yang", false),
  73         new YangStatementSourceImpl("/ietf/network-topology@2013-07-12.yang", false),
  74         new YangStatementSourceImpl("/ietf/network-topology@2013-10-21.yang", false)
  75     };
  76
  77     @Test
  78     public void testTypeFromContext() throws Exception {
  79
  80         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
  81                 .newBuild();
  82
  83         YangStatementSourceImpl types = new YangStatementSourceImpl(
  84                 "/types/custom-types-test@2012-4-4.yang", false);
  85         YangStatementSourceImpl test1 = new YangStatementSourceImpl(
  86                 "/context-test/test1.yang", false);
  87
  88         StmtTestUtils.addSources(reactor, IETF);
  89         StmtTestUtils.addSources(reactor, types, test1);
  90
  91         SchemaContext context = reactor.buildEffective();
  92
  93         Module module = context.findModuleByName("test1",
  94                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
  95         assertNotNull(module);
  96
  97 //        String resource = "/ietf/ietf-inet-types@2010-09-24.yang";
  98 //        InputStream stream = new FileInputStream(new File(getClass()
  99 //                .getResource(resource).toURI()));
 100 //        SchemaContext context = parser.resolveSchemaContext(TestUtils
 101 //                .loadModules(Lists.newArrayList(stream)));
 102 //        stream.close();
 103 //
 104 //        resource = "/context-test/test1.yang";
 105 //        InputStream stream2 = new FileInputStream(new File(getClass()
 106 //                .getResource(resource).toURI()));
 107 //        Module module = TestUtils.loadModuleWithContext("test1", stream2,
 108 //                context);
 109 //        stream2.close();
 110 //        assertNotNull(module);
 111
 112         LeafSchemaNode leaf = (LeafSchemaNode) module.getDataChildByName("id");
 113
 114         assertTrue(leaf.getType() instanceof UnsignedIntegerTypeDefinition);
 115         UnsignedIntegerTypeDefinition leafType = (UnsignedIntegerTypeDefinition) leaf.getType();
 116         QName qname = leafType.getQName();
 117         assertEquals(URI.create("urn:simple.demo.test1"), qname.getNamespace());
 118         assertEquals(simpleDateFormat.parse("2013-06-18"), qname.getRevision());
 119         assertEquals("port-number", qname.getLocalName());
 120
 121         UnsignedIntegerTypeDefinition leafBaseType = leafType.getBaseType();
 122         qname = leafBaseType.getQName();
 123         assertEquals(URI.create("urn:ietf:params:xml:ns:yang:ietf-inet-types"),
 124                 qname.getNamespace());
 125         assertEquals(simpleDateFormat.parse("2010-09-24"), qname.getRevision());
 126         assertEquals("port-number", qname.getLocalName());
 127
 128         UnsignedIntegerTypeDefinition dscpExt = (UnsignedIntegerTypeDefinition) TestUtils.findTypedef(
 129                 module.getTypeDefinitions(), "dscp-ext");
 130         List<RangeConstraint> ranges = dscpExt.getRangeConstraints();
 131         assertEquals(1, ranges.size());
 132         RangeConstraint range = ranges.get(0);
 133         assertEquals(0, range.getMin().intValue());
 134         assertEquals(63, range.getMax().intValue());
 135     }
 136
 137     @Test
 138     public void testUsesFromContext() throws Exception {
 139         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 140                 .newBuild();
 141
 142         YangStatementSourceImpl test2 = new YangStatementSourceImpl(
 143                 "/context-test/test2.yang", false);
 144         StmtTestUtils.addSources(reactor, BAZ, FOO, BAR, SUBFOO, test2);
 145         SchemaContext context = reactor.buildEffective();
 146
 147         // Module testModule;
 148         // try (InputStream stream = new FileInputStream(new
 149         // File(getClass().getResource("/context-test/test2.yang")
 150         // .toURI()))) {
 151         // testModule = TestUtils.loadModuleWithContext("test2", stream,
 152         // context);
 153         // }
 154         // assertNotNull(testModule);
 155
 156         // suffix _u = added by uses
 157         // suffix _g = defined in grouping from context
 158
 159         // get grouping
 160         Module testModule = context.findModuleByName("test2",
 161                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 162         assertNotNull(testModule);
 163
 164         Module contextModule = context
 165                 .findModuleByNamespace(URI.create("urn:opendaylight.baz"))
 166                 .iterator().next();
 167         assertNotNull(contextModule);
 168         Set<GroupingDefinition> groupings = contextModule.getGroupings();
 169         assertEquals(1, groupings.size());
 170         GroupingDefinition grouping = groupings.iterator().next();
 171
 172         // get node containing uses
 173         ContainerSchemaNode peer = (ContainerSchemaNode) testModule
 174                 .getDataChildByName("peer");
 175         ContainerSchemaNode destination = (ContainerSchemaNode) peer
 176                 .getDataChildByName("destination");
 177
 178         // check uses
 179         Set<UsesNode> uses = destination.getUses();
 180         assertEquals(1, uses.size());
 181
 182         // check uses process
 183         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) destination
 184                 .getDataChildByName("data");
 185         assertNotNull(data_u);
 186         assertTrue(data_u.isAddedByUses());
 187
 188         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping
 189                 .getDataChildByName("data");
 190         assertNotNull(data_g);
 191         assertFalse(data_g.isAddedByUses());
 192         assertFalse(data_u.equals(data_g));
 193
 194         ChoiceSchemaNode how_u = (ChoiceSchemaNode) destination
 195                 .getDataChildByName("how");
 196         assertNotNull(how_u);
 197         assertTrue(how_u.isAddedByUses());
 198
 199         ChoiceSchemaNode how_g = (ChoiceSchemaNode) grouping
 200                 .getDataChildByName("how");
 201         assertNotNull(how_g);
 202         assertFalse(how_g.isAddedByUses());
 203         assertFalse(how_u.equals(how_g));
 204
 205         LeafSchemaNode address_u = (LeafSchemaNode) destination
 206                 .getDataChildByName("address");
 207         assertNotNull(address_u);
 208         assertTrue(address_u.isAddedByUses());
 209
 210         LeafSchemaNode address_g = (LeafSchemaNode) grouping
 211                 .getDataChildByName("address");
 212         assertNotNull(address_g);
 213         assertFalse(address_g.isAddedByUses());
 214         assertFalse(address_u.equals(address_g));
 215
 216         ContainerSchemaNode port_u = (ContainerSchemaNode) destination
 217                 .getDataChildByName("port");
 218         assertNotNull(port_u);
 219         assertTrue(port_u.isAddedByUses());
 220
 221         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping
 222                 .getDataChildByName("port");
 223         assertNotNull(port_g);
 224         assertFalse(port_g.isAddedByUses());
 225         assertFalse(port_u.equals(port_g));
 226
 227         ListSchemaNode addresses_u = (ListSchemaNode) destination
 228                 .getDataChildByName("addresses");
 229         assertNotNull(addresses_u);
 230         assertTrue(addresses_u.isAddedByUses());
 231
 232         ListSchemaNode addresses_g = (ListSchemaNode) grouping
 233                 .getDataChildByName("addresses");
 234         assertNotNull(addresses_g);
 235         assertFalse(addresses_g.isAddedByUses());
 236         assertFalse(addresses_u.equals(addresses_g));
 237
 238         // grouping defined by 'uses'
 239         Set<GroupingDefinition> groupings_u = destination.getGroupings();
 240         assertEquals(1, groupings_u.size());
 241         GroupingDefinition grouping_u = groupings_u.iterator().next();
 242         assertTrue(grouping_u.isAddedByUses());
 243
 244         // grouping defined in 'grouping' node
 245         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 246         assertEquals(1, groupings_g.size());
 247         GroupingDefinition grouping_g = groupings_g.iterator().next();
 248         assertFalse(grouping_g.isAddedByUses());
 249         assertFalse(grouping_u.equals(grouping_g));
 250
 251         List<UnknownSchemaNode> nodes_u = destination.getUnknownSchemaNodes();
 252         assertEquals(1, nodes_u.size());
 253         UnknownSchemaNode node_u = nodes_u.get(0);
 254         assertTrue(node_u.isAddedByUses());
 255
 256         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 257         assertEquals(1, nodes_g.size());
 258         UnknownSchemaNode node_g = nodes_g.get(0);
 259         assertFalse(node_g.isAddedByUses());
 260         assertFalse(node_u.equals(node_g));
 261     }
 262
 263     @Test
 264     public void testUsesRefineFromContext() throws Exception {
 265
 266         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 267                 .newBuild();
 268
 269         YangStatementSourceImpl test2 = new YangStatementSourceImpl(
 270                 "/context-test/test2.yang", false);
 271         StmtTestUtils.addSources(reactor, BAZ, FOO, BAR, SUBFOO, test2);
 272         SchemaContext context = reactor.buildEffective();
 273
 274         // Module module;
 275         // try (InputStream stream = new FileInputStream(new
 276         // File(getClass().getResource("/context-test/test2.yang")
 277         // .toURI()))) {
 278         // module = TestUtils.loadModuleWithContext("test2", stream, context);
 279         // }
 280         // assertNotNull(module);
 281
 282         Module module = context.findModuleByName("test2",
 283                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 284         assertNotNull(module);
 285         ContainerSchemaNode peer = (ContainerSchemaNode) module
 286                 .getDataChildByName("peer");
 287         ContainerSchemaNode destination = (ContainerSchemaNode) peer
 288                 .getDataChildByName("destination");
 289         Set<UsesNode> usesNodes = destination.getUses();
 290         assertEquals(1, usesNodes.size());
 291         UsesNode usesNode = usesNodes.iterator().next();
 292
 293         // test grouping path
 294         List<QName> path = new ArrayList<>();
 295         QName qname = QName.create(URI.create("urn:opendaylight.baz"),
 296                 simpleDateFormat.parse("2013-02-27"), "target");
 297         path.add(qname);
 298         SchemaPath expectedPath = SchemaPath.create(path, true);
 299         assertEquals(expectedPath, usesNode.getGroupingPath());
 300
 301         // test refine
 302         Map<SchemaPath, SchemaNode> refines = usesNode.getRefines();
 303         assertEquals(3, refines.size());
 304
 305         LeafSchemaNode refineLeaf = null;
 306         ContainerSchemaNode refineContainer = null;
 307         ListSchemaNode refineList = null;
 308         for (Map.Entry<SchemaPath, SchemaNode> entry : refines.entrySet()) {
 309             SchemaNode value = entry.getValue();
 310             if (value instanceof LeafSchemaNode) {
 311                 refineLeaf = (LeafSchemaNode) value;
 312             } else if (value instanceof ContainerSchemaNode) {
 313                 refineContainer = (ContainerSchemaNode) value;
 314             } else if (value instanceof ListSchemaNode) {
 315                 refineList = (ListSchemaNode) value;
 316             }
 317         }
 318
 319         // leaf address
 320         assertNotNull(refineLeaf);
 321         assertEquals("address", refineLeaf.getQName().getLocalName());
 322         assertEquals("description of address defined by refine",
 323                 refineLeaf.getDescription());
 324         assertEquals("address reference added by refine",
 325                 refineLeaf.getReference());
 326         assertFalse(refineLeaf.isConfiguration());
 327         assertTrue(refineLeaf.getConstraints().isMandatory());
 328         Set<MustDefinition> leafMustConstraints = refineLeaf.getConstraints()
 329                 .getMustConstraints();
 330         assertEquals(1, leafMustConstraints.size());
 331         MustDefinition leafMust = leafMustConstraints.iterator().next();
 332         assertEquals(
 333                 "ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)",
 334                 leafMust.toString());
 335
 336         // container port
 337         assertNotNull(refineContainer);
 338         Set<MustDefinition> mustConstraints = refineContainer.getConstraints()
 339                 .getMustConstraints();
 340         assertTrue(mustConstraints.isEmpty());
 341         assertEquals("description of port defined by refine",
 342                 refineContainer.getDescription());
 343         assertEquals("port reference added by refine",
 344                 refineContainer.getReference());
 345         assertFalse(refineContainer.isConfiguration());
 346         assertTrue(refineContainer.isPresenceContainer());
 347
 348         // list addresses
 349         assertNotNull(refineList);
 350         assertEquals("description of addresses defined by refine",
 351                 refineList.getDescription());
 352         assertEquals("addresses reference added by refine",
 353                 refineList.getReference());
 354         assertFalse(refineList.isConfiguration());
 355         assertEquals(2, (int) refineList.getConstraints().getMinElements());
 356         assertEquals(12, (int) refineList.getConstraints().getMaxElements());
 357     }
 358
 359     @Test
 360     public void testIdentity() throws Exception {
 361
 362         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 363                 .newBuild();
 364
 365         YangStatementSourceImpl types = new YangStatementSourceImpl(
 366                 "/types/custom-types-test@2012-4-4.yang", false);
 367         YangStatementSourceImpl test3 = new YangStatementSourceImpl(
 368                 "/context-test/test3.yang", false);
 369
 370         StmtTestUtils.addSources(reactor, IETF);
 371         StmtTestUtils.addSources(reactor, types, test3);
 372         SchemaContext context = reactor.buildEffective();
 373
 374         Module module = context.findModuleByName("test3",
 375                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 376         assertNotNull(module);
 377
 378 //        SchemaContext context;
 379 //        File yangFile = new File(getClass().getResource(
 380 //                "/types/custom-types-test@2012-4-4.yang").toURI());
 381 //        File dependenciesDir = new File(getClass().getResource("/ietf").toURI());
 382 //        YangContextParser parser = new YangParserImpl();
 383 //        context = parser.parseFile(yangFile, dependenciesDir);
 384 //
 385 //        Module module;
 386 //        try (InputStream stream = new FileInputStream(new File(getClass()
 387 //                .getResource("/context-test/test3.yang").toURI()))) {
 388 //            module = TestUtils.loadModuleWithContext("test3", stream, context);
 389 //        }
 390 //        assertNotNull(module);
 391
 392         Set<IdentitySchemaNode> identities = module.getIdentities();
 393         assertEquals(1, identities.size());
 394
 395         IdentitySchemaNode identity = identities.iterator().next();
 396         QName idQName = identity.getQName();
 397         assertEquals(URI.create("urn:simple.demo.test3"),
 398                 idQName.getNamespace());
 399         assertEquals(simpleDateFormat.parse("2013-06-18"),
 400                 idQName.getRevision());
 401         assertEquals("pt", idQName.getLocalName());
 402
 403         IdentitySchemaNode baseIdentity = identity.getBaseIdentity();
 404         QName idBaseQName = baseIdentity.getQName();
 405         assertEquals(URI.create("urn:custom.types.demo"),
 406                 idBaseQName.getNamespace());
 407         assertEquals(simpleDateFormat.parse("2012-04-16"),
 408                 idBaseQName.getRevision());
 409         assertEquals("service-type", idBaseQName.getLocalName());
 410     }
 411
 412     @Test
 413     public void testUnknownNodes() throws Exception {
 414
 415         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 416                 .newBuild();
 417
 418         YangStatementSourceImpl types = new YangStatementSourceImpl(
 419                 "/types/custom-types-test@2012-4-4.yang", false);
 420         YangStatementSourceImpl test3 = new YangStatementSourceImpl(
 421                 "/context-test/test3.yang", false);
 422
 423         StmtTestUtils.addSources(reactor, IETF);
 424         StmtTestUtils.addSources(reactor, types, test3);
 425
 426         SchemaContext context = reactor.buildEffective();
 427
 428         Module module = context.findModuleByName("test3",
 429                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 430         assertNotNull(module);
 431
 432 //        SchemaContext context;
 433 //        File yangFile = new File(getClass().getResource(
 434 //                "/types/custom-types-test@2012-4-4.yang").toURI());
 435 //        File dependenciesDir = new File(getClass().getResource("/ietf").toURI());
 436 //        YangContextParser parser = new YangParserImpl();
 437 //        context = parser.parseFile(yangFile, dependenciesDir);
 438 //
 439 //        Module module;
 440 //        try (InputStream stream = new FileInputStream(new File(getClass()
 441 //                .getResource("/context-test/test3.yang").toURI()))) {
 442 //            module = TestUtils.loadModuleWithContext("test3", stream, context);
 443 //        }
 444
 445         ContainerSchemaNode network = (ContainerSchemaNode) module
 446                 .getDataChildByName("network");
 447         List<UnknownSchemaNode> unknownNodes = network.getUnknownSchemaNodes();
 448         assertEquals(1, unknownNodes.size());
 449
 450         UnknownSchemaNode un = unknownNodes.get(0);
 451         QName unType = un.getNodeType();
 452         assertEquals(URI.create("urn:custom.types.demo"), unType.getNamespace());
 453         assertEquals(simpleDateFormat.parse("2012-04-16"), unType.getRevision());
 454         assertEquals("mountpoint", unType.getLocalName());
 455         assertEquals("point", un.getNodeParameter());
 456         assertNotNull(un.getExtensionDefinition());
 457     }
 458
 459     @Test
 460     public void testAugment() throws Exception {
 461         // load first module
 462         String resource = "/context-augment-test/test4.yang";
 463         SchemaContext context = parser.parseFiles(Collections
 464                 .singleton(new File(getClass().getResource(resource).toURI())));
 465
 466         // load another modules and parse them against already existing context
 467         File test1 = new File(getClass().getResource(
 468                 "/context-augment-test/test1.yang").toURI());
 469         File test2 = new File(getClass().getResource(
 470                 "/context-augment-test/test2.yang").toURI());
 471         File test3 = new File(getClass().getResource(
 472                 "/context-augment-test/test3.yang").toURI());
 473         Set<Module> modules = parser.parseFiles(
 474                 Arrays.asList(test1, test2, test3), context).getModules();
 475         assertNotNull(modules);
 476
 477         Module t4 = TestUtils.findModule(modules, "test4");
 478         ContainerSchemaNode interfaces = (ContainerSchemaNode) t4
 479                 .getDataChildByName("interfaces");
 480         ListSchemaNode ifEntry = (ListSchemaNode) interfaces
 481                 .getDataChildByName("ifEntry");
 482
 483         // test augmentation process
 484         ContainerSchemaNode augmentHolder = (ContainerSchemaNode) ifEntry
 485                 .getDataChildByName("augment-holder");
 486         assertNotNull(augmentHolder);
 487         DataSchemaNode ds0 = augmentHolder
 488                 .getDataChildByName("ds0ChannelNumber");
 489         assertNotNull(ds0);
 490         DataSchemaNode interfaceId = augmentHolder
 491                 .getDataChildByName("interface-id");
 492         assertNotNull(interfaceId);
 493         DataSchemaNode higherLayerIf = augmentHolder
 494                 .getDataChildByName("higher-layer-if");
 495         assertNotNull(higherLayerIf);
 496         ContainerSchemaNode schemas = (ContainerSchemaNode) augmentHolder
 497                 .getDataChildByName("schemas");
 498         assertNotNull(schemas);
 499         assertNotNull(schemas.getDataChildByName("id"));
 500
 501         // test augment target after augmentation: check if it is same instance
 502         ListSchemaNode ifEntryAfterAugment = (ListSchemaNode) interfaces
 503                 .getDataChildByName("ifEntry");
 504         assertTrue(ifEntry == ifEntryAfterAugment);
 505     }
 506
 507     @Test
 508     public void testDeviation() throws Exception {
 509
 510         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 511                 .newBuild();
 512
 513         YangStatementSourceImpl bar = new YangStatementSourceImpl(
 514                 "/model/bar.yang", false);
 515         YangStatementSourceImpl deviationTest = new YangStatementSourceImpl(
 516                 "/context-test/deviation-test.yang", false);
 517
 518         StmtTestUtils.addSources(reactor, bar, deviationTest);
 519         SchemaContext context = reactor.buildEffective();
 520
 521         Module testModule = context.findModuleByName("deviation-test",
 522                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-02-27"));
 523         assertNotNull(testModule);
 524
 525         // load first module
 526 //        SchemaContext context;
 527 //        String resource = "/model/bar.yang";
 528 //
 529 //        try (InputStream stream = new FileInputStream(new File(getClass()
 530 //                .getResource(resource).toURI()))) {
 531 //            context = parser.resolveSchemaContext(TestUtils.loadModules(Lists
 532 //                    .newArrayList(stream)));
 533 //        }
 534
 535         // load another modules and parse them against already existing context
 536 //        Set<Module> modules;
 537 //        try (InputStream stream = new FileInputStream(new File(getClass()
 538 //                .getResource("/context-test/deviation-test.yang").toURI()))) {
 539 //            List<InputStream> input = Lists.newArrayList(stream);
 540 //            modules = TestUtils.loadModulesWithContext(input, context);
 541 //        }
 542 //        assertNotNull(modules);
 543
 544         // test deviation
 545         //Module testModule = TestUtils.findModule(modules, "deviation-test");
 546
 547
 548         Set<Deviation> deviations = testModule.getDeviations();
 549         assertEquals(1, deviations.size());
 550         Deviation dev = deviations.iterator().next();
 551
 552         assertEquals("system/user ref", dev.getReference());
 553
 554         URI expectedNS = URI.create("urn:opendaylight.bar");
 555         DateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
 556         Date expectedRev = simpleDateFormat.parse("2013-07-03");
 557         List<QName> path = new ArrayList<>();
 558         path.add(QName.create(expectedNS, expectedRev, "interfaces"));
 559         path.add(QName.create(expectedNS, expectedRev, "ifEntry"));
 560         SchemaPath expectedPath = SchemaPath.create(path, true);
 561
 562         assertEquals(expectedPath, dev.getTargetPath());
 563         assertEquals(Deviate.ADD, dev.getDeviate());
 564     }
 565
 566 }