/*
* JBoss, Home of Professional Open Source
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.cache.eviction;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jboss.cache.Fqn;
import org.jboss.cache.PropertyConfigurator;
import org.jboss.cache.TreeCache;
import java.io.File;
/**
* Tests cache behavior in the presence of concurrent passivation.
*
* @author Brian Stansberry
* @version $Revision: 2796 $
*/
public class ConcurrentEvictionTest extends TestCase
{
private TreeCache cache_;
private int wakeupIntervalMillis_ = 0;
public ConcurrentEvictionTest(String s)
{
super(s);
}
public void setUp() throws Exception
{
super.setUp();
initCaches();
wakeupIntervalMillis_ = cache_.getEvictionThreadWakeupIntervalSeconds() * 1000;
if (wakeupIntervalMillis_ < 0)
fail("testEviction(): eviction thread wake up interval is illegal " + wakeupIntervalMillis_);
}
void initCaches() throws Exception
{
removeStaleFiles();
cache_ = new TreeCache();
PropertyConfigurator config = new PropertyConfigurator();
config.configure(cache_, "META-INF/local-eviction-cacheloader-service.xml"); // read in generic local xml
cache_.setTransactionManagerLookupClass("org.jboss.cache.DummyTransactionManagerLookup");
cache_.startService();
}
public void tearDown() throws Exception
{
super.tearDown();
removeStaleFiles();
cache_.stop();
cache_ = null;
}
private void removeStaleFiles()
{
File file = new File("/tmp/JBossCacheFileCacheLoader");
if (file.exists())
{
System.out.println("Deleting file " + file);
//file.deleteOnExit();
//System.out.println(file.delete());
recursivedelete(file);
}
}
private void recursivedelete(File f)
{
if (f.isDirectory())
{
File[] files = f.listFiles();
for (int i = 0; i < files.length; i++)
{
recursivedelete(files[i]);
}
}
//System.out.println("File " + f.toURI() + " deleted = " + f.delete());
f.delete();
}
public void testConcurrentEviction() throws Exception
{
Fqn base = Fqn.fromString("/org/jboss/test/data/concurrent/eviction");
// Create a bunch of nodes; more than the /org/jboss/test/data
// region's maxNodes so we know eviction will kick in
for (int i = 0; i < 1000; i++)
{
cache_.put(new Fqn(base, new Integer(i / 100)), new Integer(i), "value");
}
// Loop for long enough to have 5 runs of the eviction thread
long loopDone = System.currentTimeMillis() + (5 * wakeupIntervalMillis_);
while (System.currentTimeMillis() < loopDone)
{
// If any get returns null, that's a failure
for (int i = 0; i < 1000; i++)
{
Fqn fqn = new Fqn(base, new Integer(i / 100));
Integer key = new Integer(i);
assertNotNull("found value under Fqn " + fqn + " and key " + key,
cache_.get(fqn, key));
}
}
}
public static Test suite()
{
return new TestSuite(ConcurrentEvictionTest.class);
}
}