YANGTOOLS-706: Split out yang-parser-rfc7950
[yangtools.git] / yang / yang-parser-impl / src / test / java / org / opendaylight / yangtools / yang / stmt / YangParserTest.java
diff --git a/yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/stmt/YangParserTest.java b/yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/stmt/YangParserTest.java
deleted file mode 100644 (file)
index 4c8298b..0000000
+++ /dev/null
@@ -1,757 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.yangtools.yang.stmt;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.opendaylight.yangtools.yang.stmt.StmtTestUtils.sourceForResource;
-
-import com.google.common.collect.Range;
-import com.google.common.collect.RangeSet;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.text.ParseException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
-import java.util.SortedMap;
-import org.junit.Before;
-import org.junit.Test;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.QNameModule;
-import org.opendaylight.yangtools.yang.common.Revision;
-import org.opendaylight.yangtools.yang.common.YangConstants;
-import org.opendaylight.yangtools.yang.common.YangVersion;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DeviateKind;
-import org.opendaylight.yangtools.yang.model.api.Deviation;
-import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
-import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
-import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.ModuleImport;
-import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.api.Status;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.type.DecimalTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.Int16TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.Int32TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
-import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
-import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.Uint32TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
-import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
-import org.opendaylight.yangtools.yang.parser.rfc7950.reactor.RFC7950Reactors;
-import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
-import org.opendaylight.yangtools.yang.parser.spi.meta.SomeModifiersUnresolvedException;
-import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
-import org.opendaylight.yangtools.yang.parser.spi.source.StatementStreamSource;
-import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor.BuildAction;
-
-public class YangParserTest {
-    private static final QNameModule FOO = QNameModule.create(URI.create("urn:opendaylight.foo"),
-        Revision.of("2013-02-27"));
-    private static final QNameModule BAR = QNameModule.create(URI.create("urn:opendaylight.bar"),
-        Revision.of("2013-07-03"));
-    private static final QNameModule BAZ = QNameModule.create(URI.create("urn:opendaylight.baz"),
-        Revision.of("2013-02-27"));
-
-    private SchemaContext context;
-    private Module foo;
-    private Module bar;
-    private Module baz;
-
-    @Before
-    public void init() throws Exception {
-        context = TestUtils.loadModules(getClass().getResource("/model").toURI());
-        foo = TestUtils.findModule(context, "foo").get();
-        bar = TestUtils.findModule(context, "bar").get();
-        baz = TestUtils.findModule(context, "baz").get();
-    }
-
-    @Test
-    public void testHeaders() throws ParseException {
-        assertEquals("foo", foo.getName());
-        assertEquals(YangVersion.VERSION_1, foo.getYangVersion());
-        assertEquals(FOO.getNamespace(), foo.getNamespace());
-        assertEquals("foo", foo.getPrefix());
-
-        final Set<ModuleImport> imports = foo.getImports();
-        assertEquals(2, imports.size());
-
-        final ModuleImport import2 = TestUtils.findImport(imports, "br");
-        assertEquals("bar", import2.getModuleName());
-        assertEquals(BAR.getRevision(), import2.getRevision());
-
-        final ModuleImport import3 = TestUtils.findImport(imports, "bz");
-        assertEquals("baz", import3.getModuleName());
-        assertEquals(BAZ.getRevision(), import3.getRevision());
-
-        assertEquals(Optional.of("opendaylight"), foo.getOrganization());
-        assertEquals(Optional.of("http://www.opendaylight.org/"), foo.getContact());
-        assertEquals(Revision.ofNullable("2013-02-27"), foo.getRevision());
-        assertFalse(foo.getReference().isPresent());
-    }
-
-    @Test
-    public void testParseList() {
-        final ContainerSchemaNode interfaces = (ContainerSchemaNode) bar.getDataChildByName(QName.create(
-            bar.getQNameModule(), "interfaces"));
-
-        final ListSchemaNode ifEntry = (ListSchemaNode) interfaces.getDataChildByName(QName.create(bar.getQNameModule(),
-            "ifEntry"));
-        // test SchemaNode args
-        assertEquals(QName.create(BAR, "ifEntry"), ifEntry.getQName());
-
-        final SchemaPath expectedPath = TestUtils.createPath(true, BAR, "interfaces", "ifEntry");
-        assertEquals(expectedPath, ifEntry.getPath());
-        assertFalse(ifEntry.getDescription().isPresent());
-        assertFalse(ifEntry.getReference().isPresent());
-        assertEquals(Status.CURRENT, ifEntry.getStatus());
-        assertEquals(0, ifEntry.getUnknownSchemaNodes().size());
-        // test DataSchemaNode args
-        assertFalse(ifEntry.isAugmenting());
-        assertTrue(ifEntry.isConfiguration());
-        // :TODO augment to ifEntry have when condition and so in consequence
-        // ifEntry should be a context node ?
-        // assertNull(constraints.getWhenCondition());
-        assertEquals(0, ifEntry.getMustConstraints().size());
-        ElementCountConstraint constraints = ifEntry.getElementCountConstraint().get();
-        assertEquals(1, constraints.getMinElements().intValue());
-        assertEquals(11, constraints.getMaxElements().intValue());
-        // test AugmentationTarget args
-        final Set<AugmentationSchemaNode> availableAugmentations = ifEntry.getAvailableAugmentations();
-        assertEquals(2, availableAugmentations.size());
-        // test ListSchemaNode args
-        final List<QName> expectedKey = new ArrayList<>();
-        expectedKey.add(QName.create(BAR, "ifIndex"));
-        assertEquals(expectedKey, ifEntry.getKeyDefinition());
-        assertFalse(ifEntry.isUserOrdered());
-        // test DataNodeContainer args
-        assertEquals(0, ifEntry.getTypeDefinitions().size());
-        assertEquals(4, ifEntry.getChildNodes().size());
-        assertEquals(0, ifEntry.getGroupings().size());
-        assertEquals(0, ifEntry.getUses().size());
-
-        final LeafSchemaNode ifIndex = (LeafSchemaNode) ifEntry.getDataChildByName(QName.create(bar.getQNameModule(),
-            "ifIndex"));
-        assertEquals(ifEntry.getKeyDefinition().get(0), ifIndex.getQName());
-        assertTrue(ifIndex.getType() instanceof Uint32TypeDefinition);
-        assertEquals(Optional.of("minutes"), ifIndex.getType().getUnits());
-        final LeafSchemaNode ifMtu = (LeafSchemaNode) ifEntry.getDataChildByName(QName.create(bar.getQNameModule(),
-            "ifMtu"));
-        assertEquals(BaseTypes.int32Type(), ifMtu.getType());
-    }
-
-    @Test
-    public void testTypedefRangesResolving() throws ParseException {
-        final LeafSchemaNode int32Leaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "int32-leaf"));
-
-        final Int32TypeDefinition leafType = (Int32TypeDefinition) int32Leaf.getType();
-        assertEquals(QName.create(FOO, "int32-ext2"), leafType.getQName());
-        assertEquals(Optional.of("mile"), leafType.getUnits());
-        assertEquals(Optional.of("11"), leafType.getDefaultValue());
-
-        final RangeSet<? extends Number> rangeset = leafType.getRangeConstraint().get().getAllowedRanges();
-        final Set<? extends Range<? extends Number>> ranges = rangeset.asRanges();
-        assertEquals(1, ranges.size());
-
-        final Range<? extends Number> range = ranges.iterator().next();
-        assertEquals(12, range.lowerEndpoint().intValue());
-        assertEquals(20, range.upperEndpoint().intValue());
-
-        final Int32TypeDefinition firstBaseType = leafType.getBaseType();
-        assertEquals(QName.create(BAR, "int32-ext2"), firstBaseType.getQName());
-        assertEquals(Optional.of("mile"), firstBaseType.getUnits());
-        assertEquals(Optional.of("11"), firstBaseType.getDefaultValue());
-
-        final RangeSet<? extends Number> firstRangeset = firstBaseType.getRangeConstraint().get().getAllowedRanges();
-        final Set<? extends Range<? extends Number>> baseRanges = firstRangeset.asRanges();
-        assertEquals(2, baseRanges.size());
-
-        final Iterator<? extends Range<? extends Number>> it = baseRanges.iterator();
-        final Range<? extends Number> baseTypeRange1 = it.next();
-        assertEquals(3, baseTypeRange1.lowerEndpoint().intValue());
-        assertEquals(9, baseTypeRange1.upperEndpoint().intValue());
-        final Range<? extends Number> baseTypeRange2 = it.next();
-        assertEquals(11, baseTypeRange2.lowerEndpoint().intValue());
-        assertEquals(20, baseTypeRange2.upperEndpoint().intValue());
-
-        final Int32TypeDefinition secondBaseType = firstBaseType.getBaseType();
-        final QName baseQName = secondBaseType.getQName();
-        assertEquals("int32-ext1", baseQName.getLocalName());
-        assertEquals(BAR, baseQName.getModule());
-        assertEquals(Optional.empty(), secondBaseType.getUnits());
-        assertEquals(Optional.empty(), secondBaseType.getDefaultValue());
-
-        final Set<? extends Range<? extends Number>> secondRanges = secondBaseType.getRangeConstraint().get()
-                .getAllowedRanges().asRanges();
-        assertEquals(1, secondRanges.size());
-        final Range<? extends Number> secondRange = secondRanges.iterator().next();
-        assertEquals(2, secondRange.lowerEndpoint().intValue());
-        assertEquals(20, secondRange.upperEndpoint().intValue());
-
-        assertEquals(BaseTypes.int32Type(), secondBaseType.getBaseType());
-    }
-
-    @Test
-    public void testTypedefPatternsResolving() {
-        final LeafSchemaNode stringleaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "string-leaf"));
-
-        assertTrue(stringleaf.getType() instanceof StringTypeDefinition);
-        final StringTypeDefinition type = (StringTypeDefinition) stringleaf.getType();
-        final QName typeQName = type.getQName();
-        assertEquals("string-ext4", typeQName.getLocalName());
-        assertEquals(BAR, typeQName.getModule());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        List<PatternConstraint> patterns = type.getPatternConstraints();
-        assertEquals(1, patterns.size());
-        PatternConstraint pattern = patterns.iterator().next();
-        assertEquals("^[e-z]*$", pattern.getJavaPatternString());
-        assertEquals(1, type.getLengthConstraint().get().getAllowedRanges().asRanges().size());
-
-        final StringTypeDefinition baseType1 = type.getBaseType();
-        final QName baseType1QName = baseType1.getQName();
-        assertEquals("string-ext3", baseType1QName.getLocalName());
-        assertEquals(BAR, baseType1QName.getModule());
-        assertEquals(Optional.empty(), baseType1.getUnits());
-        assertEquals(Optional.empty(), baseType1.getDefaultValue());
-        patterns = baseType1.getPatternConstraints();
-        assertEquals(1, patterns.size());
-        pattern = patterns.iterator().next();
-        assertEquals("^[b-u]*$", pattern.getJavaPatternString());
-        assertEquals(1, baseType1.getLengthConstraint().get().getAllowedRanges().asRanges().size());
-
-        final StringTypeDefinition baseType2 = baseType1.getBaseType();
-        final QName baseType2QName = baseType2.getQName();
-        assertEquals("string-ext2", baseType2QName.getLocalName());
-        assertEquals(BAR, baseType2QName.getModule());
-        assertEquals(Optional.empty(), baseType2.getUnits());
-        assertEquals(Optional.empty(), baseType2.getDefaultValue());
-        assertTrue(baseType2.getPatternConstraints().isEmpty());
-        final RangeSet<Integer> baseType2Lengths = baseType2.getLengthConstraint().get().getAllowedRanges();
-        assertEquals(1, baseType2Lengths.asRanges().size());
-        Range<Integer> length = baseType2Lengths.span();
-        assertEquals(6, length.lowerEndpoint().intValue());
-        assertEquals(10, length.upperEndpoint().intValue());
-
-        final StringTypeDefinition baseType3 = baseType2.getBaseType();
-        assertEquals(QName.create(BAR, "string-ext1"), baseType3.getQName());
-        assertEquals(Optional.empty(), baseType3.getUnits());
-        assertEquals(Optional.empty(), baseType3.getDefaultValue());
-        patterns = baseType3.getPatternConstraints();
-        assertEquals(1, patterns.size());
-        pattern = patterns.iterator().next();
-        assertEquals("^[a-k]*$", pattern.getJavaPatternString());
-        final RangeSet<Integer> baseType3Lengths = baseType3.getLengthConstraint().get().getAllowedRanges();
-        assertEquals(1, baseType3Lengths.asRanges().size());
-        length = baseType3Lengths.span();
-        assertEquals(5, length.lowerEndpoint().intValue());
-        assertEquals(11, length.upperEndpoint().intValue());
-
-        assertEquals(BaseTypes.stringType(), baseType3.getBaseType());
-    }
-
-    @Test
-    public void testTypedefInvalidPatternsResolving() {
-        final LeafSchemaNode invalidPatternStringLeaf = (LeafSchemaNode) foo
-                .getDataChildByName(QName.create(foo.getQNameModule(), "invalid-pattern-string-leaf"));
-        StringTypeDefinition type = (StringTypeDefinition) invalidPatternStringLeaf.getType();
-        assertEquals(QName.create(BAR, "invalid-string-pattern"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        List<PatternConstraint> patterns = type.getPatternConstraints();
-        assertTrue(patterns.isEmpty());
-
-        final LeafSchemaNode invalidDirectStringPatternDefLeaf = (LeafSchemaNode) foo
-                .getDataChildByName(QName.create(foo.getQNameModule(), "invalid-direct-string-pattern-def-leaf"));
-        type = (StringTypeDefinition) invalidDirectStringPatternDefLeaf.getType();
-
-        assertEquals(QName.create(YangConstants.RFC6020_YANG_MODULE, "string"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        patterns = type.getPatternConstraints();
-        assertTrue(patterns.isEmpty());
-
-        final LeafSchemaNode multiplePatternStringLeaf = (LeafSchemaNode) foo
-                .getDataChildByName(QName.create(foo.getQNameModule(), "multiple-pattern-string-leaf"));
-        type = (StringTypeDefinition) multiplePatternStringLeaf.getType();
-        assertEquals(QName.create(BAR, "multiple-pattern-string"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        patterns = type.getPatternConstraints();
-        assertTrue(!patterns.isEmpty());
-        assertEquals(1, patterns.size());
-        final PatternConstraint pattern = patterns.iterator().next();
-        assertEquals("^[e-z]*$", pattern.getJavaPatternString());
-        assertEquals(1, type.getLengthConstraint().get().getAllowedRanges().asRanges().size());
-
-        final LeafSchemaNode multiplePatternDirectStringDefLeaf = (LeafSchemaNode) foo
-                .getDataChildByName(QName.create(foo.getQNameModule(), "multiple-pattern-direct-string-def-leaf"));
-        type = (StringTypeDefinition) multiplePatternDirectStringDefLeaf.getType();
-        assertEquals(QName.create(FOO, "string"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        patterns = type.getPatternConstraints();
-        assertTrue(!patterns.isEmpty());
-        assertEquals(2, patterns.size());
-
-        boolean isEZPattern = false;
-        boolean isADPattern = false;
-        for (final PatternConstraint patternConstraint : patterns) {
-            if (patternConstraint.getJavaPatternString().equals("^[e-z]*$")) {
-                isEZPattern = true;
-            } else if (patternConstraint.getJavaPatternString().equals("^[a-d]*$")) {
-                isADPattern = true;
-            }
-        }
-        assertTrue(isEZPattern);
-        assertTrue(isADPattern);
-    }
-
-    @Test
-    public void testTypedefLengthsResolving() {
-        final LeafSchemaNode lengthLeaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "length-leaf"));
-        final StringTypeDefinition type = (StringTypeDefinition) lengthLeaf.getType();
-
-        assertEquals(QName.create(FOO, "string-ext2"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        assertTrue(type.getPatternConstraints().isEmpty());
-        final RangeSet<Integer> typeLengths = type.getLengthConstraint().get().getAllowedRanges();
-        assertEquals(1, typeLengths.asRanges().size());
-        Range<Integer> length = typeLengths.span();
-        assertEquals(7, length.lowerEndpoint().intValue());
-        assertEquals(10, length.upperEndpoint().intValue());
-
-        final StringTypeDefinition baseType1 = type.getBaseType();
-        assertEquals(QName.create(BAR, "string-ext2"), baseType1.getQName());
-        assertEquals(Optional.empty(), baseType1.getUnits());
-        assertEquals(Optional.empty(), baseType1.getDefaultValue());
-        assertTrue(baseType1.getPatternConstraints().isEmpty());
-        final RangeSet<Integer> baseType2Lengths = baseType1.getLengthConstraint().get().getAllowedRanges();
-        assertEquals(1, baseType2Lengths.asRanges().size());
-        length = baseType2Lengths.span();
-        assertEquals(6, length.lowerEndpoint().intValue());
-        assertEquals(10, length.upperEndpoint().intValue());
-
-        final StringTypeDefinition baseType2 = baseType1.getBaseType();
-        assertEquals(QName.create(BAR, "string-ext1"), baseType2.getQName());
-        assertEquals(Optional.empty(), baseType2.getUnits());
-        assertEquals(Optional.empty(), baseType2.getDefaultValue());
-        final List<PatternConstraint> patterns = baseType2.getPatternConstraints();
-        assertEquals(1, patterns.size());
-        final PatternConstraint pattern = patterns.iterator().next();
-        assertEquals("^[a-k]*$", pattern.getJavaPatternString());
-        final RangeSet<Integer> baseType3Lengths = baseType2.getLengthConstraint().get().getAllowedRanges();
-        assertEquals(1, baseType3Lengths.asRanges().size());
-        length = baseType3Lengths.span();
-        assertEquals(5, length.lowerEndpoint().intValue());
-        assertEquals(11, length.upperEndpoint().intValue());
-
-        assertEquals(BaseTypes.stringType(), baseType2.getBaseType());
-    }
-
-    @Test
-    public void testTypedefDecimal1() {
-        final LeafSchemaNode testleaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "decimal-leaf"));
-
-        assertTrue(testleaf.getType() instanceof DecimalTypeDefinition);
-        final DecimalTypeDefinition type = (DecimalTypeDefinition) testleaf.getType();
-        assertEquals(QName.create(BAR, "my-decimal-type"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        assertEquals(6, type.getFractionDigits());
-        assertEquals(1, type.getRangeConstraint().get().getAllowedRanges().asRanges().size());
-
-        final DecimalTypeDefinition typeBase = type.getBaseType();
-        assertEquals(QName.create(BAR, "decimal64"), typeBase.getQName());
-        assertEquals(Optional.empty(), typeBase.getUnits());
-        assertEquals(Optional.empty(), typeBase.getDefaultValue());
-        assertEquals(6, typeBase.getFractionDigits());
-        assertEquals(1, typeBase.getRangeConstraint().get().getAllowedRanges().asRanges().size());
-
-        assertNull(typeBase.getBaseType());
-    }
-
-    @Test
-    public void testTypedefDecimal2() {
-        final LeafSchemaNode testleaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "decimal-leaf2"));
-
-        assertTrue(testleaf.getType() instanceof DecimalTypeDefinition);
-        final DecimalTypeDefinition type = (DecimalTypeDefinition) testleaf.getType();
-        assertEquals(QName.create(BAR, "my-decimal-type"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-        assertEquals(6, type.getFractionDigits());
-        assertEquals(1, type.getRangeConstraint().get().getAllowedRanges().asRanges().size());
-
-        final DecimalTypeDefinition baseTypeDecimal = type.getBaseType();
-        assertEquals(6, baseTypeDecimal.getFractionDigits());
-    }
-
-    @Test
-    public void testTypedefUnion() {
-        final LeafSchemaNode unionleaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "union-leaf"));
-
-        assertTrue(unionleaf.getType() instanceof UnionTypeDefinition);
-        final UnionTypeDefinition type = (UnionTypeDefinition) unionleaf.getType();
-        assertEquals(QName.create(BAR, "my-union-ext"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-
-        final UnionTypeDefinition baseType = type.getBaseType();
-        assertEquals(QName.create(BAR, "my-union"), baseType.getQName());
-        assertEquals(Optional.empty(), baseType.getUnits());
-        assertEquals(Optional.empty(), baseType.getDefaultValue());
-
-        final UnionTypeDefinition unionType = baseType.getBaseType();
-        final List<TypeDefinition<?>> unionTypes = unionType.getTypes();
-        assertEquals(2, unionTypes.size());
-
-        final Int16TypeDefinition unionType1 = (Int16TypeDefinition) unionTypes.get(0);
-        assertEquals(QName.create(BAR, "my-union"), baseType.getQName());
-        assertEquals(Optional.empty(), unionType1.getUnits());
-        assertEquals(Optional.empty(), unionType1.getDefaultValue());
-
-        final RangeConstraint<?> ranges = unionType1.getRangeConstraint().get();
-        assertEquals(1, ranges.getAllowedRanges().asRanges().size());
-        final Range<?> range = ranges.getAllowedRanges().span();
-        assertEquals((short)1, range.lowerEndpoint());
-        assertEquals((short)100, range.upperEndpoint());
-        assertEquals(BaseTypes.int16Type(), unionType1.getBaseType());
-
-        assertEquals(BaseTypes.int32Type(), unionTypes.get(1));
-    }
-
-    @Test
-    public void testNestedUnionResolving() {
-        final LeafSchemaNode testleaf = (LeafSchemaNode) foo.getDataChildByName(QName.create(foo.getQNameModule(),
-            "custom-union-leaf"));
-
-        assertTrue(testleaf.getType() instanceof UnionTypeDefinition);
-        final UnionTypeDefinition type = (UnionTypeDefinition) testleaf.getType();
-        assertEquals(QName.create(BAZ, "union1"), type.getQName());
-        assertEquals(Optional.empty(), type.getUnits());
-        assertEquals(Optional.empty(), type.getDefaultValue());
-
-        final UnionTypeDefinition typeBase = type.getBaseType();
-        assertEquals(QName.create(BAZ, "union2"), typeBase.getQName());
-        assertEquals(Optional.empty(), typeBase.getUnits());
-        assertEquals(Optional.empty(), typeBase.getDefaultValue());
-
-        final UnionTypeDefinition union = typeBase.getBaseType();
-        final List<TypeDefinition<?>> unionTypes = union.getTypes();
-        assertEquals(2, unionTypes.size());
-        assertEquals(BaseTypes.int32Type(), unionTypes.get(0));
-        assertTrue(unionTypes.get(1) instanceof UnionTypeDefinition);
-
-        final UnionTypeDefinition unionType1 = (UnionTypeDefinition) unionTypes.get(1);
-        assertEquals(QName.create(BAR, "nested-union2"), unionType1.getQName());
-        assertEquals(Optional.empty(), unionType1.getUnits());
-        assertEquals(Optional.empty(), unionType1.getDefaultValue());
-
-        final UnionTypeDefinition nestedUnion = unionType1.getBaseType();
-        final List<TypeDefinition<?>> nestedUnion2Types = nestedUnion.getTypes();
-        assertEquals(2, nestedUnion2Types.size());
-        assertTrue(nestedUnion2Types.get(1) instanceof StringTypeDefinition);
-        assertTrue(nestedUnion2Types.get(0) instanceof UnionTypeDefinition);
-
-        final UnionTypeDefinition myUnionExt = (UnionTypeDefinition) nestedUnion2Types.get(0);
-        assertEquals(QName.create(BAR, "my-union-ext"), myUnionExt.getQName());
-        assertEquals(Optional.empty(), myUnionExt.getUnits());
-        assertEquals(Optional.empty(), myUnionExt.getDefaultValue());
-
-
-        final UnionTypeDefinition myUnion = myUnionExt.getBaseType();
-        assertEquals(QName.create(BAR, "my-union"), myUnion.getQName());
-        assertEquals(Optional.empty(), myUnion.getUnits());
-        assertEquals(Optional.empty(), myUnion.getDefaultValue());
-
-        final UnionTypeDefinition myUnionBase = myUnion.getBaseType();
-        final List<TypeDefinition<?>> myUnionBaseTypes = myUnionBase.getTypes();
-        assertEquals(2, myUnionBaseTypes.size());
-        assertTrue(myUnionBaseTypes.get(0) instanceof Int16TypeDefinition);
-        assertEquals(BaseTypes.int32Type(), myUnionBaseTypes.get(1));
-
-        final Int16TypeDefinition int16Ext = (Int16TypeDefinition) myUnionBaseTypes.get(0);
-        assertEquals(QName.create(BAR, "int16"), int16Ext.getQName());
-        assertEquals(Optional.empty(), int16Ext.getUnits());
-        assertEquals(Optional.empty(), int16Ext.getDefaultValue());
-        final Set<? extends Range<? extends Number>> ranges = int16Ext.getRangeConstraint().get().getAllowedRanges()
-                .asRanges();
-        assertEquals(1, ranges.size());
-        final Range<? extends Number> range = ranges.iterator().next();
-        assertEquals(1, range.lowerEndpoint().intValue());
-        assertEquals(100, range.upperEndpoint().intValue());
-
-        assertEquals(BaseTypes.int16Type(), int16Ext.getBaseType());
-    }
-
-    @Test
-    public void testChoice() {
-        final ContainerSchemaNode transfer = (ContainerSchemaNode) foo.getDataChildByName(
-            QName.create(foo.getQNameModule(), "transfer"));
-        final ChoiceSchemaNode how = (ChoiceSchemaNode) transfer.getDataChildByName(
-            QName.create(foo.getQNameModule(), "how"));
-        final SortedMap<QName, ChoiceCaseNode> cases = how.getCases();
-        assertEquals(5, cases.size());
-        ChoiceCaseNode input = null;
-        ChoiceCaseNode output = null;
-        for (final ChoiceCaseNode caseNode : cases.values()) {
-            if ("input".equals(caseNode.getQName().getLocalName())) {
-                input = caseNode;
-            } else if ("output".equals(caseNode.getQName().getLocalName())) {
-                output = caseNode;
-            }
-        }
-        assertNotNull(input);
-        assertNotNull(input.getPath());
-        assertNotNull(output);
-        assertNotNull(output.getPath());
-    }
-
-    @Test
-    public void testDeviation() {
-        final Set<Deviation> deviations = foo.getDeviations();
-        assertEquals(1, deviations.size());
-        final Deviation dev = deviations.iterator().next();
-        assertEquals(Optional.of("system/user ref"), dev.getReference());
-
-        final SchemaPath expectedPath = SchemaPath.create(true,
-            QName.create(BAR, "interfaces"),
-            QName.create(BAR, "ifEntry"));
-
-        assertEquals(expectedPath, dev.getTargetPath());
-        assertEquals(DeviateKind.ADD, dev.getDeviates().iterator().next().getDeviateType());
-    }
-
-    @Test
-    public void testUnknownNode() {
-        final ContainerSchemaNode network = (ContainerSchemaNode) baz.getDataChildByName(
-            QName.create(baz.getQNameModule(), "network"));
-        final List<UnknownSchemaNode> unknownNodes = network.getUnknownSchemaNodes();
-        assertEquals(1, unknownNodes.size());
-        final UnknownSchemaNode unknownNode = unknownNodes.get(0);
-        assertNotNull(unknownNode.getNodeType());
-        assertEquals("point", unknownNode.getNodeParameter());
-    }
-
-    @Test
-    public void testFeature() {
-        final Set<FeatureDefinition> features = baz.getFeatures();
-        assertEquals(1, features.size());
-    }
-
-    @Test
-    public void testExtension() {
-        final List<ExtensionDefinition> extensions = baz.getExtensionSchemaNodes();
-        assertEquals(1, extensions.size());
-        final ExtensionDefinition extension = extensions.get(0);
-        assertEquals("name", extension.getArgument());
-        assertEquals(
-            Optional.of("Takes as argument a name string. Makes the code generator use the given name in the #define."),
-                extension.getDescription());
-        assertTrue(extension.isYinElement());
-    }
-
-    @Test
-    public void testNotification() {
-        final Set<NotificationDefinition> notifications = baz.getNotifications();
-        assertEquals(1, notifications.size());
-
-        final NotificationDefinition notification = notifications.iterator().next();
-        // test SchemaNode args
-        assertEquals(QName.create(BAZ, "event"), notification.getQName());
-        final SchemaPath expectedPath = SchemaPath.create(true,  QName.create(BAZ, "event"));
-        assertEquals(expectedPath, notification.getPath());
-        assertFalse(notification.getDescription().isPresent());
-        assertFalse(notification.getReference().isPresent());
-        assertEquals(Status.CURRENT, notification.getStatus());
-        assertEquals(0, notification.getUnknownSchemaNodes().size());
-        // test DataNodeContainer args
-        assertEquals(0, notification.getTypeDefinitions().size());
-        assertEquals(3, notification.getChildNodes().size());
-        assertEquals(0, notification.getGroupings().size());
-        assertEquals(0, notification.getUses().size());
-
-        final LeafSchemaNode eventClass = (LeafSchemaNode) notification.getDataChildByName(
-            QName.create(baz.getQNameModule(), "event-class"));
-        assertTrue(eventClass.getType() instanceof StringTypeDefinition);
-        final LeafSchemaNode severity = (LeafSchemaNode) notification.getDataChildByName(
-            QName.create(baz.getQNameModule(), "severity"));
-        assertTrue(severity.getType() instanceof StringTypeDefinition);
-    }
-
-    @Test
-    public void testRpc() {
-        final Set<RpcDefinition> rpcs = baz.getRpcs();
-        assertEquals(1, rpcs.size());
-
-        final RpcDefinition rpc = rpcs.iterator().next();
-        assertEquals(Optional.of("Retrieve all or part of a specified configuration."), rpc.getDescription());
-        assertEquals(Optional.of("RFC 6241, Section 7.1"), rpc.getReference());
-    }
-
-    @Test
-    public void testTypePath() throws ParseException {
-        final Set<TypeDefinition<?>> types = bar.getTypeDefinitions();
-
-        // int32-ext1
-        final Int32TypeDefinition int32ext1 = (Int32TypeDefinition) TestUtils.findTypedef(types, "int32-ext1");
-        final QName int32TypedefQName = QName.create(BAR, "int32-ext1");
-        assertEquals(int32TypedefQName, int32ext1.getQName());
-
-        final SchemaPath typeSchemaPath = int32ext1.getPath();
-        final Iterable<QName> typePath = typeSchemaPath.getPathFromRoot();
-        final Iterator<QName> typePathIt = typePath.iterator();
-        assertEquals(int32TypedefQName, typePathIt.next());
-        assertFalse(typePathIt.hasNext());
-
-        // int32-ext1/int32
-        final Int32TypeDefinition int32 = int32ext1.getBaseType();
-        assertEquals(BaseTypes.int32Type(), int32);
-    }
-
-    @Test
-    public void testTypePath2() throws ParseException {
-        final Set<TypeDefinition<?>> types = bar.getTypeDefinitions();
-
-        // my-decimal-type
-        final DecimalTypeDefinition myDecType = (DecimalTypeDefinition) TestUtils.findTypedef(types, "my-decimal-type");
-        final QName myDecTypeQName = myDecType.getQName();
-
-        assertEquals(BAR, myDecTypeQName.getModule());
-        assertEquals("my-decimal-type", myDecTypeQName.getLocalName());
-
-        final SchemaPath typeSchemaPath = myDecType.getPath();
-        final Iterable<QName> typePath = typeSchemaPath.getPathFromRoot();
-        final Iterator<QName> typePathIt = typePath.iterator();
-        assertEquals(myDecTypeQName, typePathIt.next());
-        assertFalse(typePathIt.hasNext());
-
-        // my-base-int32-type/int32
-        final DecimalTypeDefinition dec64 = myDecType.getBaseType();
-        final QName dec64QName = dec64.getQName();
-
-        assertEquals(BAR, dec64QName.getModule());
-        assertEquals("decimal64", dec64QName.getLocalName());
-
-        final SchemaPath dec64SchemaPath = dec64.getPath();
-        final Iterable<QName> dec64Path = dec64SchemaPath.getPathFromRoot();
-        final Iterator<QName> dec64PathIt = dec64Path.iterator();
-        assertEquals(myDecTypeQName, dec64PathIt.next());
-        assertEquals(dec64QName, dec64PathIt.next());
-        assertFalse(dec64PathIt.hasNext());
-    }
-
-    private static void checkOrder(final Collection<Module> modules) {
-        final Iterator<Module> it = modules.iterator();
-        Module module = it.next();
-        assertEquals("m2", module.getName());
-        module = it.next();
-        assertEquals("m4", module.getName());
-        module = it.next();
-        assertEquals("m6", module.getName());
-        module = it.next();
-        assertEquals("m8", module.getName());
-        module = it.next();
-        assertEquals("m7", module.getName());
-        module = it.next();
-        assertEquals("m5", module.getName());
-        module = it.next();
-        assertEquals("m3", module.getName());
-        module = it.next();
-        assertEquals("m1", module.getName());
-    }
-
-    private static void assertSetEquals(final Set<Module> s1, final Set<Module> s2) {
-        assertEquals(s1, s2);
-        final Iterator<Module> it = s1.iterator();
-        for (final Module m : s2) {
-            assertEquals(m, it.next());
-        }
-    }
-
-    @Test
-    public void testSubmodules() {
-        final DataSchemaNode id = foo.getDataChildByName(QName.create(foo.getQNameModule(), "id"));
-        assertNotNull(id);
-        final DataSchemaNode subExt = foo.getDataChildByName(QName.create(foo.getQNameModule(), "sub-ext"));
-        assertNotNull(subExt);
-        final DataSchemaNode subTransfer = foo.getDataChildByName(QName.create(foo.getQNameModule(), "sub-transfer"));
-        assertNotNull(subTransfer);
-
-        assertEquals(2, foo.getExtensionSchemaNodes().size());
-        assertEquals(2, foo.getAugmentations().size());
-    }
-
-    @Test
-    public void unknownStatementInSubmoduleHeaderTest() throws IOException, URISyntaxException, ReactorException {
-        final StatementStreamSource yang1 = sourceForResource("/yang-grammar-test/revisions-extension.yang");
-        final StatementStreamSource yang2 = sourceForResource("/yang-grammar-test/submodule-header-extension.yang");
-        TestUtils.parseYangSources(yang1, yang2);
-    }
-
-    @Test
-    public void unknownStatementBetweenRevisionsTest() throws ReactorException {
-        final SchemaContext result = RFC7950Reactors.defaultReactor().newBuild()
-                .addSource(sourceForResource("/yang-grammar-test/revisions-extension.yang"))
-                .addSource(sourceForResource("/yang-grammar-test/submodule-header-extension.yang"))
-                .buildEffective();
-        assertNotNull(result);
-    }
-
-    @Test
-    public void unknownStatementsInStatementsTest() {
-
-        final StatementStreamSource yangFile1 = sourceForResource(
-                "/yang-grammar-test/stmtsep-in-statements.yang");
-        final StatementStreamSource yangFile2 = sourceForResource(
-                "/yang-grammar-test/stmtsep-in-statements2.yang");
-        final StatementStreamSource yangFile3 = sourceForResource(
-                "/yang-grammar-test/stmtsep-in-statements-sub.yang");
-
-        final BuildAction reactor = RFC7950Reactors.defaultReactor().newBuild()
-                .addSources(yangFile1, yangFile2, yangFile3);
-        // TODO: change test or create new module in order to respect new statement parser validations
-        try {
-            final SchemaContext result = reactor.buildEffective();
-        } catch (final ReactorException e) {
-            assertEquals(SomeModifiersUnresolvedException.class, e.getClass());
-            assertTrue(e.getCause() instanceof SourceException);
-            assertTrue(e.getCause().getMessage().startsWith("aaa is not a YANG statement or use of extension"));
-        }
-    }
-
-}