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ExecutingQueryStatusTest.java
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ExecutingQueryStatusTest.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.api.query;
import org.junit.Test;
import java.time.ZonedDateTime;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracer;
import org.neo4j.kernel.impl.locking.ActiveLock;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.storageengine.api.lock.WaitStrategy;
import org.neo4j.test.FakeCpuClock;
import org.neo4j.time.Clocks;
import org.neo4j.time.FakeClock;
import static org.junit.Assert.assertEquals;
public class ExecutingQueryStatusTest
{
private final FakeClock clock = Clocks.fakeClock( ZonedDateTime.parse( "2016-12-16T16:14:12+01:00" ) );
@Test
public void shouldProduceSensibleMapRepresentationInRunningState() throws Exception
{
// when
String status = SimpleState.running().name();
// then
assertEquals( "running", status );
}
@Test
public void shouldProduceSensibleMapRepresentationInPlanningState() throws Exception
{
// when
String status = SimpleState.planning().name();
// then
assertEquals( "planning", status );
}
@Test
public void shouldProduceSensibleMapRepresentationInWaitingOnLockState() throws Exception
{
// given
long[] resourceIds = {17};
WaitingOnLock status =
new WaitingOnLock(
ActiveLock.EXCLUSIVE_MODE,
resourceType( "NODE" ),
resourceIds,
clock.nanos() );
clock.forward( 17, TimeUnit.MILLISECONDS );
// when
Map<String,Object> statusMap = status.toMap( clock.nanos() );
// then
assertEquals( "waiting", status.name() );
Map<String,Object> expected = new HashMap<>();
expected.put( "waitTimeMillis", 17L );
expected.put( "lockMode", "EXCLUSIVE" );
expected.put( "resourceType", "NODE" );
expected.put( "resourceIds", resourceIds );
assertEquals( expected, statusMap );
}
@Test
public void shouldProduceSensibleMapRepresentationInWaitingOnQueryState() throws Exception
{
// given
WaitingOnQuery status =
new WaitingOnQuery(
new ExecutingQuery(
12,
null,
null,
null,
null,
null,
(/*activeLockCount:*/) -> 0,
PageCursorTracer.NULL,
Thread.currentThread().getId(),
Thread.currentThread().getName(),
clock,
FakeCpuClock.NOT_AVAILABLE,
HeapAllocation.NOT_AVAILABLE ), clock.nanos() );
clock.forward( 1025, TimeUnit.MILLISECONDS );
// when
Map<String,Object> statusMap = status.toMap( clock.nanos() );
// then
assertEquals( "waiting", status.name() );
Map<String,Object> expected = new HashMap<>();
expected.put( "waitTimeMillis", 1025L );
expected.put( "queryId", "query-12" );
assertEquals( expected, statusMap );
}
static ResourceType resourceType(String name )
{
return new ResourceType()
{
@Override
public String toString()
{
return name();
}
@Override
public int typeId()
{
throw new UnsupportedOperationException( "not used" );
}
@Override
public WaitStrategy waitStrategy()
{
throw new UnsupportedOperationException( "not used" );
}
@Override
public String name()
{
return name;
}
};
}
}