/**
* Copyright 2012-2014 Rafal Lewczuk <rafal.lewczuk@jitlogic.com>
* <p/>
* This 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.
* <p/>
* This software 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.
* <p/>
* You should have received a copy of the GNU General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jitlogic.zorka.core.test.perfmon;
import com.jitlogic.zorka.core.test.perfmon.support.TestThreadRankLister;
import com.jitlogic.zorka.core.test.support.ZorkaFixture;
import com.jitlogic.zorka.core.perfmon.ThreadRankItem;
import com.jitlogic.zorka.core.perfmon.ThreadRankLister;
import org.junit.Test;
import static org.junit.Assert.*;
import java.util.List;
public class ThreadRankUnitTest extends ZorkaFixture {
@Test
public void testListSinglePass() {
ThreadRankLister lister = new TestThreadRankLister(mBeanServerRegistry)
.feed(1, "Thread-1", 100, 0)
.feed(2, "Thread-2", 100, 0);
lister.runCycle(100);
List<ThreadRankItem> items = lister.list();
assertEquals(2, items.size());
}
@Test
public void testTwoPassesAndCheckIfNonExistentThreadsAreRemoved() {
TestThreadRankLister lister = new TestThreadRankLister(mBeanServerRegistry)
.feed(1, "Thread-1", 100, 0)
.feed(2, "Thread-2", 100, 0);
lister.runCycle(1000);
lister.clear()
.feed(1, "Thread-1", 100, 0)
.feed(3, "Thread-3", 100, 0);
lister.runCycle(2000);
List<ThreadRankItem> items = lister.list();
assertEquals(2, items.size());
}
@Test
public void testTwoPassesAndCheckAverages() {
TestThreadRankLister lister = new TestThreadRankLister(mBeanServerRegistry).feed(1, "Thread-1", 1000, 500);
lister.runCycle(1000);
lister.clear().feed(1, "Thread-1", 2000, 1500);
lister.runCycle(2000);
ThreadRankItem item = lister.list().get(0);
assertEquals(5.0, item.getAverage(0L, 0, 0), 0.001);
}
@Test
public void testTwoPassesWithWindowShift() {
TestThreadRankLister lister = new TestThreadRankLister(mBeanServerRegistry).feed(1, "Thread-1", 6000, 0);
lister.runCycle(1000);
assertEquals(10.0, lister.list().get(0).getAverage(0L, 0,0), 0.001);
lister.clear().feed(1, "Thread-1", 1500, 0);
lister.runCycle(31000);
assertEquals(12.5, lister.list().get(0).getAverage(0L, 0,0), 0.001);
assertEquals(2.5, lister.list().get(0).getAverage(0L, 0,1), 0.001);
}
}