package org.infinispan.profiling;
import static org.infinispan.test.TestingUtil.withCacheManager;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import org.infinispan.test.AbstractInfinispanTest;
import org.infinispan.test.CacheManagerCallable;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.testng.annotations.Test;
/**
* Test class that verifies how quickly Cache instances are created under different scenarios
*
* @author Galder ZamarreƱo
* @since 4.2
*/
@Test(groups = "profiling", testName = "profiling.CacheCreationStressTest")
public class CacheCreationStressTest extends AbstractInfinispanTest {
public void testCreateCachesFromSameContainer() {
final long start = System.currentTimeMillis();
withCacheManager(new CacheManagerCallable(TestCacheManagerFactory.createCacheManager()) {
@Override
public void call() {
for (int i = 0; i < 1000; i++) {
cm.getCache(generateRandomString(20));
}
System.out.println("Took: " + TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis() - start));
TestingUtil.sleepThread(2000);
}
});
}
public static String generateRandomString(int numberOfChars) {
Random r = new Random(System.currentTimeMillis());
StringBuilder sb = new StringBuilder();
for (int i = 0; i < numberOfChars; i++) sb.append((char) (64 + r.nextInt(26)));
return sb.toString();
}
}