//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void collectsDbStructure()
public virtual void CollectsDbStructure()
{
// GIVEN
DbStructureCollector collector = new DbStructureCollector();
collector.VisitLabel(1, "Person");
collector.VisitLabel(2, "City");
collector.VisitPropertyKey(1, "name");
collector.VisitPropertyKey(2, "income");
collector.VisitRelationshipType(1, "LIVES_IN");
collector.VisitRelationshipType(2, "FRIEND");
collector.VisitIndex(TestIndexDescriptorFactory.uniqueForLabel(1, 1), ":Person(name)", 1.0d, 1L);
collector.VisitUniqueConstraint(ConstraintDescriptorFactory.uniqueForLabel(2, 1), ":City(name)");
collector.VisitNodeKeyConstraint(ConstraintDescriptorFactory.nodeKeyForLabel(2, 1), ":City(name)");
collector.VisitIndex(TestIndexDescriptorFactory.forLabel(2, 2), ":City(income)", 0.2d, 1L);
collector.VisitAllNodesCount(50);
collector.VisitNodeCount(1, "Person", 20);
collector.VisitNodeCount(2, "City", 30);
collector.VisitRelCount(1, 2, -1, "(:Person)-[:FRIEND]->()", 500);
// WHEN
DbStructureLookup lookup = collector.Lookup();
// THEN
assertEquals(asList(of(1, "Person"), of(2, "City")), Iterators.asList(lookup.Labels()));
assertEquals(asList(of(1, "name"), of(2, "income")), Iterators.asList(lookup.Properties()));
assertEquals(asList(of(1, "LIVES_IN"), of(2, "FRIEND")), Iterators.asList(lookup.RelationshipTypes()));
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertArrayEquals(new string[] { "Person" }, lookup.KnownUniqueIndices().next().first());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertArrayEquals(new string[] { "name" }, lookup.KnownUniqueIndices().next().other());
//JAVA TO C# CONVERTER TODO TASK: Method reference arbitrary object instance method syntax is not converted by Java to C# Converter:
assertEquals(asList("City"), Iterators.asList(Iterators.map(Pair::first, lookup.KnownNodeKeyConstraints())));
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertArrayEquals(new string[] { "name" }, lookup.KnownNodeKeyConstraints().next().other());
//JAVA TO C# CONVERTER TODO TASK: Method reference arbitrary object instance method syntax is not converted by Java to C# Converter:
assertEquals(asList("City"), Iterators.asList(Iterators.map(Pair::first, lookup.KnownUniqueConstraints())));
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertArrayEquals(new string[] { "name" }, lookup.KnownUniqueConstraints().next().other());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(new string[] { "City" }, lookup.KnownIndices().next().first());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertArrayEquals(new string[] { "income" }, lookup.KnownIndices().next().other());
assertEquals(50, lookup.NodesAllCardinality());
assertEquals(20, lookup.NodesWithLabelCardinality(1));
assertEquals(30, lookup.NodesWithLabelCardinality(2));
assertEquals(500, lookup.CardinalityByLabelsAndRelationshipType(1, 2, -1));
assertEquals(1.0d, lookup.IndexUniqueValueSelectivity(1, 1), 0.01d);
assertEquals(0.2d, lookup.IndexUniqueValueSelectivity(2, 2), 0.01d);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void visitsUniqueConstraintsAndIndices() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void VisitsUniqueConstraintsAndIndices()
{
DbStructureVisitor visitor = mock(typeof(DbStructureVisitor));
int labelId = CreateLabel("Person");
int pkId = CreatePropertyKey("name");
CommitAndReOpen();
ConstraintDescriptor constraint = CreateUniqueConstraint(labelId, pkId);
IndexDescriptor descriptor = TestIndexDescriptorFactory.uniqueForLabel(labelId, pkId);
// WHEN
Accept(visitor);
// THEN
verify(visitor).visitIndex(descriptor, ":Person(name)", 1.0d, 0L);
verify(visitor).visitUniqueConstraint(( UniquenessConstraintDescriptor )constraint, "CONSTRAINT ON ( person:Person ) ASSERT person.name IS " + "UNIQUE");
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertParseUniqueIndexRule(String serialized, String name) throws org.neo4j.internal.kernel.api.exceptions.schema.MalformedSchemaRuleException
private void AssertParseUniqueIndexRule(string serialized, string name)
{
// GIVEN
long ruleId = 33;
long constraintId = 11;
IndexDescriptor index = TestIndexDescriptorFactory.uniqueForLabel(61, 988);
IndexProviderDescriptor indexProvider = new IndexProviderDescriptor("index-provider", "25.0");
sbyte[] bytes = DecodeBase64(serialized);
// WHEN
StoreIndexDescriptor deserialized = AssertIndexRule(SchemaRuleSerialization.Deserialize(ruleId, ByteBuffer.wrap(bytes)));
// THEN
assertThat(deserialized.Id, equalTo(ruleId));
assertThat(deserialized, equalTo(index));
assertThat(deserialized.Schema(), equalTo(index.Schema()));
assertThat(deserialized.ProviderDescriptor(), equalTo(indexProvider));
assertThat(deserialized.OwningConstraint, equalTo(constraintId));
assertThat(deserialized.Name, @is(name));
}
protected internal override ValueCreatorUtil <SpatialIndexKey, NativeIndexValue> CreateValueCreatorUtil()
{
return(new SpatialValueCreatorUtil(TestIndexDescriptorFactory.uniqueForLabel(42, 666).withId(0), ValueCreatorUtil.FRACTION_DUPLICATE_UNIQUE));
}
public Unique(IndexProviderCompatibilityTestSuite testSuite) : base(testSuite, TestIndexDescriptorFactory.uniqueForLabel(1000, 100, 200))
{
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotAllowConcurrentViolationOfConstraint() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotAllowConcurrentViolationOfConstraint()
{
// Given
GraphDatabaseAPI graphDb = Db.GraphDatabaseAPI;
System.Func <KernelTransaction> ktxSupplier = () => graphDb.DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge)).getKernelTransactionBoundToThisThread(true);
Label label = label("Foo");
string propertyKey = "bar";
string conflictingValue = "baz";
// a constraint
using (Transaction tx = graphDb.BeginTx())
{
graphDb.Schema().constraintFor(label).assertPropertyIsUnique(propertyKey).create();
tx.Success();
}
// When
using (Transaction tx = graphDb.BeginTx())
{
KernelTransaction ktx = ktxSupplier();
int labelId = ktx.TokenRead().nodeLabel(label.Name());
int propertyKeyId = ktx.TokenRead().propertyKey(propertyKey);
IndexDescriptor index = TestIndexDescriptorFactory.uniqueForLabel(labelId, propertyKeyId);
Read read = ktx.DataRead();
using (NodeValueIndexCursor cursor = ktx.Cursors().allocateNodeValueIndexCursor())
{
read.NodeIndexSeek(ktx.SchemaRead().index(labelId, propertyKeyId), cursor, IndexOrder.NONE, false, IndexQuery.exact(index.Schema().PropertyId, "The value is irrelevant, we just want to perform some sort of lookup against this " + "index"));
}
// then let another thread come in and create a node
Threads.execute(Db =>
{
using (Transaction transaction = Db.beginTx())
{
Db.createNode(label).setProperty(propertyKey, conflictingValue);
transaction.success();
}
return(null);
}, graphDb).get();
// before we create a node with the same property ourselves - using the same statement that we have
// already used for lookup against that very same index
long node = ktx.DataWrite().nodeCreate();
ktx.DataWrite().nodeAddLabel(node, labelId);
try
{
ktx.DataWrite().nodeSetProperty(node, propertyKeyId, Values.of(conflictingValue));
fail("exception expected");
}
// Then
catch (UniquePropertyValueValidationException e)
{
assertEquals(ConstraintDescriptorFactory.uniqueForLabel(labelId, propertyKeyId), e.Constraint());
IndexEntryConflictException conflict = Iterators.single(e.Conflicts().GetEnumerator());
assertEquals(Values.stringValue(conflictingValue), conflict.SinglePropertyValue);
}
tx.Success();
}
}
