package org.jboss.cache.buddyreplication;
import org.jboss.cache.CacheSPI;
import org.jboss.cache.Fqn;
import org.jboss.cache.UnitTestCacheFactory;
import org.jboss.cache.commands.write.PutKeyValueCommand;
import org.jboss.cache.config.EvictionConfig;
import org.jboss.cache.config.EvictionRegionConfig;
import org.jboss.cache.eviction.LRUAlgorithmConfig;
import org.jboss.cache.eviction.NullEvictionAlgorithmConfig;
import org.jboss.cache.util.TestingUtil;
import org.jboss.cache.util.internals.EvictionController;
import org.jboss.cache.util.internals.replicationlisteners.ReplicationListener;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
/**
* Tests the eviction of buddy backup regions
*
* @author Manik Surtani (<a href="mailto:manik AT jboss DOT org">manik AT jboss DOT org</a>)
* @since 2.2.0
*/
@Test(groups = "functional", testName = "buddyreplication.EvictionOfBuddyBackupsTest")
public class EvictionOfBuddyBackupsTest extends BuddyReplicationTestsBase
{
private CacheSPI cache1, cache2;
private Fqn fqn = Fqn.fromString("/a/b/c");
private EvictionController ec1;
private EvictionController ec2;
@BeforeMethod
public void setUp() throws Exception
{
cache1 = createCache(1, null, true, false);
cache1.getConfiguration().setEvictionConfig(getEvictionConfig());
cache1.start();
ec1 = new EvictionController(cache1);
cache2 = (CacheSPI) new UnitTestCacheFactory<Object, Object>().createCache(cache1.getConfiguration().clone(), getClass());
ec2 = new EvictionController(cache2);
waitForSingleBuddy(cache1, cache2);
TestingUtil.blockUntilViewsReceived(60000, cache1, cache2);
}
@AfterMethod
@Override
public void tearDown() throws Exception
{
super.tearDown();
TestingUtil.killCaches(cache1, cache2);
cache1 = null;
cache2 = null;
}
private EvictionConfig getEvictionConfig()
{
EvictionConfig c = new EvictionConfig();
EvictionRegionConfig defaultRegion = new EvictionRegionConfig(Fqn.ROOT, new NullEvictionAlgorithmConfig());
c.setDefaultEvictionRegionConfig(defaultRegion);
c.setWakeupInterval(0);
LRUAlgorithmConfig lru = new LRUAlgorithmConfig(1000, 1000);
EvictionRegionConfig subregion = new EvictionRegionConfig(fqn, lru);
c.addEvictionRegionConfig(subregion);
return c;
}
public void testEvictionOfBackupRegions() throws Exception
{
ReplicationListener replicationListener2 = ReplicationListener.getReplicationListener(cache2);
replicationListener2.expect(PutKeyValueCommand.class);
cache1.put(fqn, "k", "v");
replicationListener2.waitForReplicationToOccur();
assert cache1.peek(fqn, false, false) != null : "Node should exist";
assert cache2.peek(fqnTransformer.getBackupFqn(cache1.getLocalAddress(), fqn), false, false) != null : "Node should exist on backup";
// now wait for eviction to kick in - for up to 2 secs
TestingUtil.sleepThread(1100);
ec1.startEviction();
ec2.startEviction();
assert cache1.peek(fqn, false, false) == null : "Node should have evicted";
assert cache2.peek(fqnTransformer.getBackupFqn(cache1.getLocalAddress(), fqn), false, false) == null : "Node should have evicted on backup";
}
}