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TransactionStatusResultTest.java
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TransactionStatusResultTest.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j Enterprise Edition. The included source
* code can be redistributed and/or modified under the terms of the
* GNU AFFERO GENERAL PUBLIC LICENSE Version 3
* (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the
* Commons Clause, as found in the associated LICENSE.txt file.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* Neo4j object code can be licensed independently from the source
* under separate terms from the AGPL. Inquiries can be directed to:
* licensing@neo4j.com
*
* More information is also available at:
* https://neo4j.com/licensing/
*/
package org.neo4j.kernel.enterprise.builtinprocs;
import org.junit.Test;
import java.net.InetSocketAddress;
import java.time.ZoneId;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Stream;
import org.neo4j.collection.pool.Pool;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracer;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracerSupplier;
import org.neo4j.io.pagecache.tracing.cursor.context.EmptyVersionContextSupplier;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.KernelTransactionHandle;
import org.neo4j.kernel.api.exceptions.InvalidArgumentsException;
import org.neo4j.kernel.api.explicitindex.AutoIndexing;
import org.neo4j.kernel.api.query.ExecutingQuery;
import org.neo4j.kernel.api.query.QuerySnapshot;
import org.neo4j.kernel.api.txstate.auxiliary.AuxiliaryTransactionStateManager;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.api.KernelTransactionImplementation;
import org.neo4j.kernel.impl.api.SchemaState;
import org.neo4j.kernel.impl.api.SchemaWriteGuard;
import org.neo4j.kernel.impl.api.StatementOperationParts;
import org.neo4j.kernel.impl.api.TestKernelTransactionHandle;
import org.neo4j.kernel.impl.api.TransactionCommitProcess;
import org.neo4j.kernel.impl.api.TransactionExecutionStatistic;
import org.neo4j.kernel.impl.api.TransactionHooks;
import org.neo4j.kernel.impl.api.index.IndexingService;
import org.neo4j.kernel.impl.api.state.ConstraintIndexCreator;
import org.neo4j.kernel.impl.constraints.StandardConstraintSemantics;
import org.neo4j.kernel.impl.factory.CanWrite;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.locking.ActiveLock;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.proc.Procedures;
import org.neo4j.kernel.impl.query.clientconnection.HttpConnectionInfo;
import org.neo4j.kernel.impl.transaction.TransactionHeaderInformationFactory;
import org.neo4j.kernel.impl.transaction.stats.DatabaseTransactionStats;
import org.neo4j.kernel.impl.transaction.tracing.TransactionTracer;
import org.neo4j.kernel.impl.util.Dependencies;
import org.neo4j.resources.CpuClock;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.time.Clocks;
import org.neo4j.time.SystemNanoClock;
import org.neo4j.values.virtual.VirtualValues;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.apache.commons.lang3.StringUtils.EMPTY;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.RETURNS_MOCKS;
import static org.mockito.Mockito.mock;
import static org.neo4j.kernel.impl.util.collection.CollectionsFactorySupplier.ON_HEAP;
import static org.neo4j.test.MockedNeoStores.mockedTokenHolders;
public class TransactionStatusResultTest
{
private TestKernelTransactionHandle transactionHandle =
new TransactionHandleWithLocks( new StubKernelTransaction() );
private HashMap<KernelTransactionHandle,List<QuerySnapshot>> snapshotsMap = new HashMap<>();
private TransactionDependenciesResolver blockerResolver = new TransactionDependenciesResolver( snapshotsMap );
@Test
public void statusOfTransactionWithSingleQuery() throws InvalidArgumentsException
{
snapshotsMap.put( transactionHandle, singletonList( createQuerySnapshot( 7L ) ) );
TransactionStatusResult statusResult =
new TransactionStatusResult( transactionHandle, blockerResolver, snapshotsMap, ZoneId.of( "UTC" ) );
checkTransactionStatus( statusResult, "testQuery", "query-7", "1970-01-01T00:00:01.984Z" );
}
@Test
public void statusOfTransactionWithoutRunningQuery() throws InvalidArgumentsException
{
snapshotsMap.put( transactionHandle, emptyList() );
TransactionStatusResult statusResult =
new TransactionStatusResult( transactionHandle, blockerResolver, snapshotsMap, ZoneId.of( "UTC" ) );
checkTransactionStatusWithoutQueries( statusResult );
}
@Test
public void statusOfTransactionWithMultipleQueries() throws InvalidArgumentsException
{
snapshotsMap.put( transactionHandle, asList( createQuerySnapshot( 7L ), createQuerySnapshot( 8L ) ) );
TransactionStatusResult statusResult =
new TransactionStatusResult( transactionHandle, blockerResolver, snapshotsMap, ZoneId.of( "UTC" ) );
checkTransactionStatus( statusResult, "testQuery", "query-7", "1970-01-01T00:00:01.984Z" );
}
@Test
public void statusOfTransactionWithDifferentTimeZone() throws InvalidArgumentsException
{
snapshotsMap.put( transactionHandle, singletonList( createQuerySnapshot( 7L ) ) );
TransactionStatusResult statusResult =
new TransactionStatusResult( transactionHandle, blockerResolver, snapshotsMap, ZoneId.of( "UTC+1" ) );
checkTransactionStatus( statusResult, "testQuery", "query-7", "1970-01-01T01:00:01.984+01:00" );
}
private void checkTransactionStatusWithoutQueries( TransactionStatusResult statusResult )
{
assertEquals( "transaction-8", statusResult.transactionId );
assertEquals( "testUser", statusResult.username );
assertEquals( Collections.emptyMap(), statusResult.metaData );
assertEquals( "1970-01-01T00:00:01.984Z", statusResult.startTime );
assertEquals( EMPTY, statusResult.protocol );
assertEquals( EMPTY, statusResult.clientAddress );
assertEquals( EMPTY, statusResult.requestUri );
assertEquals( EMPTY, statusResult.currentQueryId );
assertEquals( EMPTY, statusResult.currentQuery );
assertEquals( 1, statusResult.activeLockCount );
assertEquals( "Running", statusResult.status );
assertEquals( Collections.emptyMap(), statusResult.resourceInformation );
assertEquals( 1810L, statusResult.elapsedTimeMillis );
assertEquals( Long.valueOf( 1L ), statusResult.cpuTimeMillis );
assertEquals( 0L, statusResult.waitTimeMillis );
assertEquals( Long.valueOf( 1809 ), statusResult.idleTimeMillis );
assertEquals( Long.valueOf( 1 ), statusResult.allocatedBytes );
assertEquals( Long.valueOf( 0 ), statusResult.allocatedDirectBytes );
assertEquals( 0L, statusResult.pageHits );
assertEquals( 0L, statusResult.pageFaults );
}
private void checkTransactionStatus( TransactionStatusResult statusResult, String currentQuery,
String currentQueryId, String startTime )
{
assertEquals( "transaction-8", statusResult.transactionId );
assertEquals( "testUser", statusResult.username );
assertEquals( Collections.emptyMap(), statusResult.metaData );
assertEquals( startTime, statusResult.startTime );
assertEquals( "https", statusResult.protocol );
assertEquals( "localhost:1000", statusResult.clientAddress );
assertEquals( "https://localhost:1001/path", statusResult.requestUri );
assertEquals( currentQueryId, statusResult.currentQueryId );
assertEquals( currentQuery, statusResult.currentQuery );
assertEquals( 1, statusResult.activeLockCount );
assertEquals( "Running", statusResult.status );
assertEquals( Collections.emptyMap(), statusResult.resourceInformation );
assertEquals( 1810, statusResult.elapsedTimeMillis );
assertEquals( Long.valueOf( 1 ), statusResult.cpuTimeMillis );
assertEquals( 0L, statusResult.waitTimeMillis );
assertEquals( Long.valueOf( 1809 ), statusResult.idleTimeMillis );
assertEquals( Long.valueOf( 1 ), statusResult.allocatedBytes );
assertEquals( Long.valueOf( 0 ), statusResult.allocatedDirectBytes );
assertEquals( 0, statusResult.pageHits );
assertEquals( 0, statusResult.pageFaults );
}
private QuerySnapshot createQuerySnapshot( long queryId )
{
ExecutingQuery executingQuery = createExecutingQuery( queryId );
return executingQuery.snapshot();
}
private ExecutingQuery createExecutingQuery( long queryId )
{
return new ExecutingQuery( queryId, getTestConnectionInfo(), "testUser", "testQuery", VirtualValues.EMPTY_MAP,
Collections.emptyMap(), () -> 1L, PageCursorTracer.NULL,
Thread.currentThread().getId(), Thread.currentThread().getName(),
new CountingNanoClock(), new CountingCpuClock(), new CountingHeapAllocation() );
}
private HttpConnectionInfo getTestConnectionInfo()
{
return new HttpConnectionInfo( "https", "agent", new InetSocketAddress( "localhost", 1000 ),
new InetSocketAddress( "localhost", 1001 ), "/path" );
}
private static class TransactionHandleWithLocks extends TestKernelTransactionHandle
{
TransactionHandleWithLocks( KernelTransaction tx )
{
super( tx );
}
@Override
public Stream<ActiveLock> activeLocks()
{
return Stream.of( ActiveLock.sharedLock( ResourceTypes.NODE, 3 ) );
}
@Override
public TransactionExecutionStatistic transactionStatistic()
{
KernelTransactionImplementation transaction = new KernelTransactionImplementation( Config.defaults(),
mock( StatementOperationParts.class ), mock( SchemaWriteGuard.class ), new TransactionHooks(),
mock( ConstraintIndexCreator.class ), new Procedures(), TransactionHeaderInformationFactory.DEFAULT,
mock( TransactionCommitProcess.class ), new DatabaseTransactionStats(), mock( AuxiliaryTransactionStateManager.class ),
mock( Pool.class ), Clocks.fakeClock(),
new AtomicReference<>( CpuClock.NOT_AVAILABLE ), new AtomicReference<>( HeapAllocation.NOT_AVAILABLE ),
TransactionTracer.NULL,
LockTracer.NONE, PageCursorTracerSupplier.NULL,
mock( StorageEngine.class, RETURNS_MOCKS ), new CanWrite(),
AutoIndexing.UNSUPPORTED, mock( ExplicitIndexStore.class ),
EmptyVersionContextSupplier.EMPTY, ON_HEAP, new StandardConstraintSemantics(), mock( SchemaState.class),
mock( IndexingService.class ), mockedTokenHolders(), new Dependencies() )
{
@Override
public Statistics getStatistics()
{
TestStatistics statistics = new TestStatistics( this, new AtomicReference<>( new CountingCpuClock() ),
new AtomicReference<>( new CountingHeapAllocation() ) );
statistics.init( Thread.currentThread().getId(), PageCursorTracer.NULL );
return statistics;
}
};
return new TransactionExecutionStatistic( transaction, Clocks.fakeClock().forward( 2010, MILLISECONDS ), 200 );
}
}
private static class TestStatistics extends KernelTransactionImplementation.Statistics
{
@Override
protected void init( long threadId, PageCursorTracer pageCursorTracer )
{
super.init( threadId, pageCursorTracer );
}
TestStatistics( KernelTransactionImplementation transaction, AtomicReference<CpuClock> cpuClockRef,
AtomicReference<HeapAllocation> heapAllocationRef )
{
super( transaction, cpuClockRef, heapAllocationRef );
}
}
private static class CountingNanoClock extends SystemNanoClock
{
private long time;
@Override
public long nanos()
{
time += MILLISECONDS.toNanos( 1 );
return time;
}
}
private static class CountingCpuClock extends CpuClock
{
private long cpuTime;
@Override
public long cpuTimeNanos( long threadId )
{
cpuTime += MILLISECONDS.toNanos( 1 );
return cpuTime;
}
}
private static class CountingHeapAllocation extends HeapAllocation
{
private long allocatedBytes;
@Override
public long allocatedBytes( long threadId )
{
return allocatedBytes++;
}
}
}