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DelayedRenewableTimeoutServiceTest.java
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DelayedRenewableTimeoutServiceTest.java
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/*
* Copyright (c) 2002-2015 "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 Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.coreedge.raft;
import java.util.concurrent.atomic.AtomicLong;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.neo4j.helpers.FakeClock;
import org.neo4j.kernel.lifecycle.LifeSupport;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
public class DelayedRenewableTimeoutServiceTest
{
private final LifeSupport life = new LifeSupport();
@Before
public void startupLife()
{
life.init();
life.start();
}
@After
public void shutdownLife()
{
life.stop();
life.shutdown();
}
enum Timeouts implements RenewableTimeoutService.TimeoutName
{
FOOBAR
}
@Test
public void shouldTimeOutAfterTimeoutPeriod() throws Throwable
{
// given
final AtomicLong timeoutCount = new AtomicLong();
DelayedRenewableTimeoutService timeoutService = new DelayedRenewableTimeoutService();
timeoutService.create( Timeouts.FOOBAR, 1000, 0, new RenewableTimeoutService.TimeoutHandler()
{
@Override
public void onTimeout( RenewableTimeoutService.RenewableTimeout timeout )
{
timeoutCount.incrementAndGet();
}
} );
life.add( timeoutService );
// when
Thread.sleep( 500 );
//then
assertThat( timeoutCount.get(), equalTo( 0L ) );
//when
Thread.sleep( 750 );
// then
assertThat( timeoutCount.get(), equalTo( 1L ) );
}
@Test
public void shouldNotTimeOutWhenRenewedWithinTimeoutPeriod() throws Throwable
{
// given
final AtomicLong timeoutCount = new AtomicLong();
DelayedRenewableTimeoutService timeoutService = new DelayedRenewableTimeoutService();
RenewableTimeoutService.RenewableTimeout timeout = timeoutService.create( Timeouts.FOOBAR, 1000, 0, new RenewableTimeoutService.TimeoutHandler()
{
@Override
public void onTimeout( RenewableTimeoutService.RenewableTimeout timeout )
{
timeoutCount.incrementAndGet();
}
} );
life.add( timeoutService );
// when
Thread.sleep( 700 );
timeout.renew();
Thread.sleep( 500 );
// then
assertThat( timeoutCount.get(), equalTo( 0L ) );
}
@Test
public void shouldNotTimeOutWhenStopped() throws Throwable
{
// given
final AtomicLong timeoutCount = new AtomicLong();
FakeClock clock = new FakeClock();
DelayedRenewableTimeoutService timeoutService = new DelayedRenewableTimeoutService( clock );
RenewableTimeoutService.RenewableTimeout timeout = timeoutService.create( Timeouts.FOOBAR, 1000, 0, t -> timeoutCount
.incrementAndGet() );
life.add( timeoutService );
clock.forward( 1000, MILLISECONDS );
Thread.sleep( 5 ); // to make sure the scheduled thread has checked time elapsed
assertThat( timeoutCount.get(), equalTo( 1L ) );
timeoutService.stop();
timeoutService.shutdown();
timeout.renew();
Thread.sleep( 5 );
clock.forward( 1000, MILLISECONDS );
Thread.sleep( 5 );
assertThat( timeoutCount.get(), equalTo( 1L ) );
}
}