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
  15 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
  16
  17 import org.opendaylight.yangtools.yang.stmt.test.StmtTestUtils;
  18 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
  19 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangInferencePipeline;
  20 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangStatementSourceImpl;
  21 import java.io.File;
  22 import java.math.BigInteger;
  23 import java.net.URI;
  24 import java.text.DateFormat;
  25 import java.text.SimpleDateFormat;
  26 import java.util.ArrayList;
  27 import java.util.Arrays;
  28 import java.util.Collections;
  29 import java.util.Date;
  30 import java.util.List;
  31 import java.util.Map;
  32 import java.util.Set;
  33 import org.junit.Test;
  34 import org.opendaylight.yangtools.yang.common.QName;
  35 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
  36 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
  37 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  38 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  39 import org.opendaylight.yangtools.yang.model.api.Deviation;
  40 import org.opendaylight.yangtools.yang.model.api.Deviation.Deviate;
  41 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  42 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
  43 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  44 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  45 import org.opendaylight.yangtools.yang.model.api.Module;
  46 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  47 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  48 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  49 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  50 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  51 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  52 import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
  53 import org.opendaylight.yangtools.yang.model.util.ExtendedType;
  54 import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
  55
  56 public class YangParserWithContextTest {
  57     private final DateFormat simpleDateFormat = new SimpleDateFormat(
  58             "yyyy-MM-dd");
  59     private final YangParserImpl parser = new YangParserImpl();
  60
  61     private static final YangStatementSourceImpl BAR = new YangStatementSourceImpl(
  62             "/model/bar.yang", false);
  63     private static final YangStatementSourceImpl BAZ = new YangStatementSourceImpl(
  64             "/model/baz.yang", false);
  65     private static final YangStatementSourceImpl FOO = new YangStatementSourceImpl(
  66             "/model/foo.yang", false);
  67     private static final YangStatementSourceImpl SUBFOO = new YangStatementSourceImpl(
  68             "/model/subfoo.yang", false);
  69
  70     private static final YangStatementSourceImpl[] IETF = new YangStatementSourceImpl[] {
  71         new YangStatementSourceImpl("/ietf/iana-afn-safi@2012-06-04.yang", false),
  72         new YangStatementSourceImpl("/ietf/iana-if-type@2012-06-05.yang", false),
  73         new YangStatementSourceImpl("/ietf/iana-timezones@2012-07-09.yang", false),
  74         new YangStatementSourceImpl("/ietf/ietf-inet-types@2010-09-24.yang", false),
  75         new YangStatementSourceImpl("/ietf/ietf-yang-types@2010-09-24.yang", false),
  76         new YangStatementSourceImpl("/ietf/network-topology@2013-07-12.yang", false),
  77         new YangStatementSourceImpl("/ietf/network-topology@2013-10-21.yang", false)
  78     };
  79
  80     @Test
  81     public void testTypeFromContext() throws Exception {
  82
  83         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
  84                 .newBuild();
  85
  86         YangStatementSourceImpl types = new YangStatementSourceImpl(
  87                 "/types/custom-types-test@2012-4-4.yang", false);
  88         YangStatementSourceImpl test1 = new YangStatementSourceImpl(
  89                 "/context-test/test1.yang", false);
  90
  91         StmtTestUtils.addSources(reactor, IETF);
  92         StmtTestUtils.addSources(reactor, types, test1);
  93
  94         SchemaContext context = reactor.buildEffective();
  95
  96         Module module = context.findModuleByName("test1",
  97                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
  98         assertNotNull(module);
  99
 100 //        String resource = "/ietf/ietf-inet-types@2010-09-24.yang";
 101 //        InputStream stream = new FileInputStream(new File(getClass()
 102 //                .getResource(resource).toURI()));
 103 //        SchemaContext context = parser.resolveSchemaContext(TestUtils
 104 //                .loadModules(Lists.newArrayList(stream)));
 105 //        stream.close();
 106 //
 107 //        resource = "/context-test/test1.yang";
 108 //        InputStream stream2 = new FileInputStream(new File(getClass()
 109 //                .getResource(resource).toURI()));
 110 //        Module module = TestUtils.loadModuleWithContext("test1", stream2,
 111 //                context);
 112 //        stream2.close();
 113 //        assertNotNull(module);
 114
 115         LeafSchemaNode leaf = (LeafSchemaNode) module.getDataChildByName("id");
 116
 117         ExtendedType leafType = (ExtendedType) leaf.getType();
 118         QName qname = leafType.getQName();
 119         assertEquals(URI.create("urn:simple.demo.test1"), qname.getNamespace());
 120         assertEquals(simpleDateFormat.parse("2013-06-18"), qname.getRevision());
 121         assertEquals("port-number", qname.getLocalName());
 122
 123         ExtendedType leafBaseType = (ExtendedType) leafType.getBaseType();
 124         qname = leafBaseType.getQName();
 125         assertEquals(URI.create("urn:ietf:params:xml:ns:yang:ietf-inet-types"),
 126                 qname.getNamespace());
 127         assertEquals(simpleDateFormat.parse("2010-09-24"), qname.getRevision());
 128         assertEquals("port-number", qname.getLocalName());
 129
 130         ExtendedType dscpExt = (ExtendedType) TestUtils.findTypedef(
 131                 module.getTypeDefinitions(), "dscp-ext");
 132         List<RangeConstraint> ranges = dscpExt.getRangeConstraints();
 133         assertEquals(1, ranges.size());
 134         RangeConstraint range = ranges.get(0);
 135         assertEquals(BigInteger.ZERO, range.getMin());
 136         assertEquals(BigInteger.valueOf(63), range.getMax());
 137     }
 138
 139     @Test
 140     public void testUsesFromContext() throws Exception {
 141         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 142                 .newBuild();
 143
 144         YangStatementSourceImpl test2 = new YangStatementSourceImpl(
 145                 "/context-test/test2.yang", false);
 146         StmtTestUtils.addSources(reactor, BAZ, FOO, BAR, SUBFOO, test2);
 147         SchemaContext context = reactor.buildEffective();
 148
 149         // Module testModule;
 150         // try (InputStream stream = new FileInputStream(new
 151         // File(getClass().getResource("/context-test/test2.yang")
 152         // .toURI()))) {
 153         // testModule = TestUtils.loadModuleWithContext("test2", stream,
 154         // context);
 155         // }
 156         // assertNotNull(testModule);
 157
 158         // suffix _u = added by uses
 159         // suffix _g = defined in grouping from context
 160
 161         // get grouping
 162         Module testModule = context.findModuleByName("test2",
 163                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 164         assertNotNull(testModule);
 165
 166         Module contextModule = context
 167                 .findModuleByNamespace(URI.create("urn:opendaylight.baz"))
 168                 .iterator().next();
 169         assertNotNull(contextModule);
 170         Set<GroupingDefinition> groupings = contextModule.getGroupings();
 171         assertEquals(1, groupings.size());
 172         GroupingDefinition grouping = groupings.iterator().next();
 173
 174         // get node containing uses
 175         ContainerSchemaNode peer = (ContainerSchemaNode) testModule
 176                 .getDataChildByName("peer");
 177         ContainerSchemaNode destination = (ContainerSchemaNode) peer
 178                 .getDataChildByName("destination");
 179
 180         // check uses
 181         Set<UsesNode> uses = destination.getUses();
 182         assertEquals(1, uses.size());
 183
 184         // check uses process
 185         AnyXmlSchemaNode data_u = (AnyXmlSchemaNode) destination
 186                 .getDataChildByName("data");
 187         assertNotNull(data_u);
 188         assertTrue(data_u.isAddedByUses());
 189
 190         AnyXmlSchemaNode data_g = (AnyXmlSchemaNode) grouping
 191                 .getDataChildByName("data");
 192         assertNotNull(data_g);
 193         assertFalse(data_g.isAddedByUses());
 194         assertFalse(data_u.equals(data_g));
 195
 196         ChoiceSchemaNode how_u = (ChoiceSchemaNode) destination
 197                 .getDataChildByName("how");
 198         assertNotNull(how_u);
 199         assertTrue(how_u.isAddedByUses());
 200
 201         ChoiceSchemaNode how_g = (ChoiceSchemaNode) grouping
 202                 .getDataChildByName("how");
 203         assertNotNull(how_g);
 204         assertFalse(how_g.isAddedByUses());
 205         assertFalse(how_u.equals(how_g));
 206
 207         LeafSchemaNode address_u = (LeafSchemaNode) destination
 208                 .getDataChildByName("address");
 209         assertNotNull(address_u);
 210         assertTrue(address_u.isAddedByUses());
 211
 212         LeafSchemaNode address_g = (LeafSchemaNode) grouping
 213                 .getDataChildByName("address");
 214         assertNotNull(address_g);
 215         assertFalse(address_g.isAddedByUses());
 216         assertFalse(address_u.equals(address_g));
 217
 218         ContainerSchemaNode port_u = (ContainerSchemaNode) destination
 219                 .getDataChildByName("port");
 220         assertNotNull(port_u);
 221         assertTrue(port_u.isAddedByUses());
 222
 223         ContainerSchemaNode port_g = (ContainerSchemaNode) grouping
 224                 .getDataChildByName("port");
 225         assertNotNull(port_g);
 226         assertFalse(port_g.isAddedByUses());
 227         assertFalse(port_u.equals(port_g));
 228
 229         ListSchemaNode addresses_u = (ListSchemaNode) destination
 230                 .getDataChildByName("addresses");
 231         assertNotNull(addresses_u);
 232         assertTrue(addresses_u.isAddedByUses());
 233
 234         ListSchemaNode addresses_g = (ListSchemaNode) grouping
 235                 .getDataChildByName("addresses");
 236         assertNotNull(addresses_g);
 237         assertFalse(addresses_g.isAddedByUses());
 238         assertFalse(addresses_u.equals(addresses_g));
 239
 240         // grouping defined by 'uses'
 241         Set<GroupingDefinition> groupings_u = destination.getGroupings();
 242         assertEquals(1, groupings_u.size());
 243         GroupingDefinition grouping_u = groupings_u.iterator().next();
 244         assertTrue(grouping_u.isAddedByUses());
 245
 246         // grouping defined in 'grouping' node
 247         Set<GroupingDefinition> groupings_g = grouping.getGroupings();
 248         assertEquals(1, groupings_g.size());
 249         GroupingDefinition grouping_g = groupings_g.iterator().next();
 250         assertFalse(grouping_g.isAddedByUses());
 251         assertFalse(grouping_u.equals(grouping_g));
 252
 253         List<UnknownSchemaNode> nodes_u = destination.getUnknownSchemaNodes();
 254         assertEquals(1, nodes_u.size());
 255         UnknownSchemaNode node_u = nodes_u.get(0);
 256         assertTrue(node_u.isAddedByUses());
 257
 258         List<UnknownSchemaNode> nodes_g = grouping.getUnknownSchemaNodes();
 259         assertEquals(1, nodes_g.size());
 260         UnknownSchemaNode node_g = nodes_g.get(0);
 261         assertFalse(node_g.isAddedByUses());
 262         assertFalse(node_u.equals(node_g));
 263     }
 264
 265     @Test
 266     public void testUsesRefineFromContext() throws Exception {
 267
 268         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 269                 .newBuild();
 270
 271         YangStatementSourceImpl test2 = new YangStatementSourceImpl(
 272                 "/context-test/test2.yang", false);
 273         StmtTestUtils.addSources(reactor, BAZ, FOO, BAR, SUBFOO, test2);
 274         SchemaContext context = reactor.buildEffective();
 275
 276         // Module module;
 277         // try (InputStream stream = new FileInputStream(new
 278         // File(getClass().getResource("/context-test/test2.yang")
 279         // .toURI()))) {
 280         // module = TestUtils.loadModuleWithContext("test2", stream, context);
 281         // }
 282         // assertNotNull(module);
 283
 284         Module module = context.findModuleByName("test2",
 285                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 286         assertNotNull(module);
 287         ContainerSchemaNode peer = (ContainerSchemaNode) module
 288                 .getDataChildByName("peer");
 289         ContainerSchemaNode destination = (ContainerSchemaNode) peer
 290                 .getDataChildByName("destination");
 291         Set<UsesNode> usesNodes = destination.getUses();
 292         assertEquals(1, usesNodes.size());
 293         UsesNode usesNode = usesNodes.iterator().next();
 294
 295         // test grouping path
 296         List<QName> path = new ArrayList<>();
 297         QName qname = QName.create(URI.create("urn:opendaylight.baz"),
 298                 simpleDateFormat.parse("2013-02-27"), "target");
 299         path.add(qname);
 300         SchemaPath expectedPath = SchemaPath.create(path, true);
 301         assertEquals(expectedPath, usesNode.getGroupingPath());
 302
 303         // test refine
 304         Map<SchemaPath, SchemaNode> refines = usesNode.getRefines();
 305         assertEquals(3, refines.size());
 306
 307         LeafSchemaNode refineLeaf = null;
 308         ContainerSchemaNode refineContainer = null;
 309         ListSchemaNode refineList = null;
 310         for (Map.Entry<SchemaPath, SchemaNode> entry : refines.entrySet()) {
 311             SchemaNode value = entry.getValue();
 312             if (value instanceof LeafSchemaNode) {
 313                 refineLeaf = (LeafSchemaNode) value;
 314             } else if (value instanceof ContainerSchemaNode) {
 315                 refineContainer = (ContainerSchemaNode) value;
 316             } else if (value instanceof ListSchemaNode) {
 317                 refineList = (ListSchemaNode) value;
 318             }
 319         }
 320
 321         // leaf address
 322         assertNotNull(refineLeaf);
 323         assertEquals("address", refineLeaf.getQName().getLocalName());
 324         assertEquals("description of address defined by refine",
 325                 refineLeaf.getDescription());
 326         assertEquals("address reference added by refine",
 327                 refineLeaf.getReference());
 328         assertFalse(refineLeaf.isConfiguration());
 329         assertTrue(refineLeaf.getConstraints().isMandatory());
 330         Set<MustDefinition> leafMustConstraints = refineLeaf.getConstraints()
 331                 .getMustConstraints();
 332         assertEquals(1, leafMustConstraints.size());
 333         MustDefinition leafMust = leafMustConstraints.iterator().next();
 334         assertEquals(
 335                 "ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)",
 336                 leafMust.toString());
 337
 338         // container port
 339         assertNotNull(refineContainer);
 340         Set<MustDefinition> mustConstraints = refineContainer.getConstraints()
 341                 .getMustConstraints();
 342         assertTrue(mustConstraints.isEmpty());
 343         assertEquals("description of port defined by refine",
 344                 refineContainer.getDescription());
 345         assertEquals("port reference added by refine",
 346                 refineContainer.getReference());
 347         assertFalse(refineContainer.isConfiguration());
 348         assertTrue(refineContainer.isPresenceContainer());
 349
 350         // list addresses
 351         assertNotNull(refineList);
 352         assertEquals("description of addresses defined by refine",
 353                 refineList.getDescription());
 354         assertEquals("addresses reference added by refine",
 355                 refineList.getReference());
 356         assertFalse(refineList.isConfiguration());
 357         assertEquals(2, (int) refineList.getConstraints().getMinElements());
 358         assertEquals(12, (int) refineList.getConstraints().getMaxElements());
 359     }
 360
 361     @Test
 362     public void testIdentity() throws Exception {
 363
 364         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 365                 .newBuild();
 366
 367         YangStatementSourceImpl types = new YangStatementSourceImpl(
 368                 "/types/custom-types-test@2012-4-4.yang", false);
 369         YangStatementSourceImpl test3 = new YangStatementSourceImpl(
 370                 "/context-test/test3.yang", false);
 371
 372         StmtTestUtils.addSources(reactor, IETF);
 373         StmtTestUtils.addSources(reactor, types, test3);
 374         SchemaContext context = reactor.buildEffective();
 375
 376         Module module = context.findModuleByName("test3",
 377                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 378         assertNotNull(module);
 379
 380 //        SchemaContext context;
 381 //        File yangFile = new File(getClass().getResource(
 382 //                "/types/custom-types-test@2012-4-4.yang").toURI());
 383 //        File dependenciesDir = new File(getClass().getResource("/ietf").toURI());
 384 //        YangContextParser parser = new YangParserImpl();
 385 //        context = parser.parseFile(yangFile, dependenciesDir);
 386 //
 387 //        Module module;
 388 //        try (InputStream stream = new FileInputStream(new File(getClass()
 389 //                .getResource("/context-test/test3.yang").toURI()))) {
 390 //            module = TestUtils.loadModuleWithContext("test3", stream, context);
 391 //        }
 392 //        assertNotNull(module);
 393
 394         Set<IdentitySchemaNode> identities = module.getIdentities();
 395         assertEquals(1, identities.size());
 396
 397         IdentitySchemaNode identity = identities.iterator().next();
 398         QName idQName = identity.getQName();
 399         assertEquals(URI.create("urn:simple.demo.test3"),
 400                 idQName.getNamespace());
 401         assertEquals(simpleDateFormat.parse("2013-06-18"),
 402                 idQName.getRevision());
 403         assertEquals("pt", idQName.getLocalName());
 404
 405         IdentitySchemaNode baseIdentity = identity.getBaseIdentity();
 406         QName idBaseQName = baseIdentity.getQName();
 407         assertEquals(URI.create("urn:custom.types.demo"),
 408                 idBaseQName.getNamespace());
 409         assertEquals(simpleDateFormat.parse("2012-04-16"),
 410                 idBaseQName.getRevision());
 411         assertEquals("service-type", idBaseQName.getLocalName());
 412     }
 413
 414     @Test
 415     public void testUnknownNodes() throws Exception {
 416
 417         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 418                 .newBuild();
 419
 420         YangStatementSourceImpl types = new YangStatementSourceImpl(
 421                 "/types/custom-types-test@2012-4-4.yang", false);
 422         YangStatementSourceImpl test3 = new YangStatementSourceImpl(
 423                 "/context-test/test3.yang", false);
 424
 425         StmtTestUtils.addSources(reactor, IETF);
 426         StmtTestUtils.addSources(reactor, types, test3);
 427
 428         SchemaContext context = reactor.buildEffective();
 429
 430         Module module = context.findModuleByName("test3",
 431                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-06-18"));
 432         assertNotNull(module);
 433
 434 //        SchemaContext context;
 435 //        File yangFile = new File(getClass().getResource(
 436 //                "/types/custom-types-test@2012-4-4.yang").toURI());
 437 //        File dependenciesDir = new File(getClass().getResource("/ietf").toURI());
 438 //        YangContextParser parser = new YangParserImpl();
 439 //        context = parser.parseFile(yangFile, dependenciesDir);
 440 //
 441 //        Module module;
 442 //        try (InputStream stream = new FileInputStream(new File(getClass()
 443 //                .getResource("/context-test/test3.yang").toURI()))) {
 444 //            module = TestUtils.loadModuleWithContext("test3", stream, context);
 445 //        }
 446
 447         ContainerSchemaNode network = (ContainerSchemaNode) module
 448                 .getDataChildByName("network");
 449         List<UnknownSchemaNode> unknownNodes = network.getUnknownSchemaNodes();
 450         assertEquals(1, unknownNodes.size());
 451
 452         UnknownSchemaNode un = unknownNodes.get(0);
 453         QName unType = un.getNodeType();
 454         assertEquals(URI.create("urn:custom.types.demo"), unType.getNamespace());
 455         assertEquals(simpleDateFormat.parse("2012-04-16"), unType.getRevision());
 456         assertEquals("mountpoint", unType.getLocalName());
 457         assertEquals("point", un.getNodeParameter());
 458         assertNotNull(un.getExtensionDefinition());
 459     }
 460
 461     @Test
 462     public void testAugment() throws Exception {
 463         // load first module
 464         String resource = "/context-augment-test/test4.yang";
 465         SchemaContext context = parser.parseFiles(Collections
 466                 .singleton(new File(getClass().getResource(resource).toURI())));
 467
 468         // load another modules and parse them against already existing context
 469         File test1 = new File(getClass().getResource(
 470                 "/context-augment-test/test1.yang").toURI());
 471         File test2 = new File(getClass().getResource(
 472                 "/context-augment-test/test2.yang").toURI());
 473         File test3 = new File(getClass().getResource(
 474                 "/context-augment-test/test3.yang").toURI());
 475         Set<Module> modules = parser.parseFiles(
 476                 Arrays.asList(test1, test2, test3), context).getModules();
 477         assertNotNull(modules);
 478
 479         Module t4 = TestUtils.findModule(modules, "test4");
 480         ContainerSchemaNode interfaces = (ContainerSchemaNode) t4
 481                 .getDataChildByName("interfaces");
 482         ListSchemaNode ifEntry = (ListSchemaNode) interfaces
 483                 .getDataChildByName("ifEntry");
 484
 485         // test augmentation process
 486         ContainerSchemaNode augmentHolder = (ContainerSchemaNode) ifEntry
 487                 .getDataChildByName("augment-holder");
 488         assertNotNull(augmentHolder);
 489         DataSchemaNode ds0 = augmentHolder
 490                 .getDataChildByName("ds0ChannelNumber");
 491         assertNotNull(ds0);
 492         DataSchemaNode interfaceId = augmentHolder
 493                 .getDataChildByName("interface-id");
 494         assertNotNull(interfaceId);
 495         DataSchemaNode higherLayerIf = augmentHolder
 496                 .getDataChildByName("higher-layer-if");
 497         assertNotNull(higherLayerIf);
 498         ContainerSchemaNode schemas = (ContainerSchemaNode) augmentHolder
 499                 .getDataChildByName("schemas");
 500         assertNotNull(schemas);
 501         assertNotNull(schemas.getDataChildByName("id"));
 502
 503         // test augment target after augmentation: check if it is same instance
 504         ListSchemaNode ifEntryAfterAugment = (ListSchemaNode) interfaces
 505                 .getDataChildByName("ifEntry");
 506         assertTrue(ifEntry == ifEntryAfterAugment);
 507     }
 508
 509     @Test
 510     public void testDeviation() throws Exception {
 511
 512         CrossSourceStatementReactor.BuildAction reactor = YangInferencePipeline.RFC6020_REACTOR
 513                 .newBuild();
 514
 515         YangStatementSourceImpl bar = new YangStatementSourceImpl(
 516                 "/model/bar.yang", false);
 517         YangStatementSourceImpl deviationTest = new YangStatementSourceImpl(
 518                 "/context-test/deviation-test.yang", false);
 519
 520         StmtTestUtils.addSources(reactor, bar, deviationTest);
 521         SchemaContext context = reactor.buildEffective();
 522
 523         Module testModule = context.findModuleByName("deviation-test",
 524                 SimpleDateFormatUtil.getRevisionFormat().parse("2013-02-27"));
 525         assertNotNull(testModule);
 526
 527         // load first module
 528 //        SchemaContext context;
 529 //        String resource = "/model/bar.yang";
 530 //
 531 //        try (InputStream stream = new FileInputStream(new File(getClass()
 532 //                .getResource(resource).toURI()))) {
 533 //            context = parser.resolveSchemaContext(TestUtils.loadModules(Lists
 534 //                    .newArrayList(stream)));
 535 //        }
 536
 537         // load another modules and parse them against already existing context
 538 //        Set<Module> modules;
 539 //        try (InputStream stream = new FileInputStream(new File(getClass()
 540 //                .getResource("/context-test/deviation-test.yang").toURI()))) {
 541 //            List<InputStream> input = Lists.newArrayList(stream);
 542 //            modules = TestUtils.loadModulesWithContext(input, context);
 543 //        }
 544 //        assertNotNull(modules);
 545
 546         // test deviation
 547         //Module testModule = TestUtils.findModule(modules, "deviation-test");
 548
 549
 550         Set<Deviation> deviations = testModule.getDeviations();
 551         assertEquals(1, deviations.size());
 552         Deviation dev = deviations.iterator().next();
 553
 554         assertEquals("system/user ref", dev.getReference());
 555
 556         URI expectedNS = URI.create("urn:opendaylight.bar");
 557         DateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
 558         Date expectedRev = simpleDateFormat.parse("2013-07-03");
 559         List<QName> path = new ArrayList<>();
 560         path.add(QName.create(expectedNS, expectedRev, "interfaces"));
 561         path.add(QName.create(expectedNS, expectedRev, "ifEntry"));
 562         SchemaPath expectedPath = SchemaPath.create(path, true);
 563
 564         assertEquals(expectedPath, dev.getTargetPath());
 565         assertEquals(Deviate.ADD, dev.getDeviate());
 566     }
 567
 568 }