/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.management.internal.pulse;
import org.junit.experimental.categories.Category;
import org.junit.Test;
import static org.junit.Assert.*;
import org.apache.geode.test.dunit.cache.internal.JUnit4CacheTestCase;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;
import org.apache.geode.management.DistributedSystemMXBean;
import org.apache.geode.management.ManagementService;
import org.apache.geode.management.ManagementTestBase;
import org.apache.geode.test.dunit.LogWriterUtils;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.dunit.Wait;
import org.apache.geode.test.dunit.WaitCriterion;
/**
* This is for testing heap size from Mbean
*
*/
@Category(DistributedTest.class)
public class TestHeapDUnitTest extends ManagementTestBase {
private static final long serialVersionUID = 1L;
public TestHeapDUnitTest() {
super();
}
public static long getHeapSizeOfClient() {
return (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
}
public static long getHeapSizeOfDS() {
final WaitCriterion waitCriteria = new WaitCriterion() {
@Override
public boolean done() {
final ManagementService service = getManagementService();
final DistributedSystemMXBean bean = service.getDistributedSystemMXBean();
if (bean != null) {
if (bean.getTotalHeapSize() > 0) {
return true;
}
}
return false;
}
@Override
public String description() {
return "wait for getHeapSizeOfDS to complete and get results";
}
};
Wait.waitForCriterion(waitCriteria, 2 * 60 * 1000, 3000, true);
final DistributedSystemMXBean bean = getManagementService().getDistributedSystemMXBean();
assertNotNull(bean);
return bean.getTotalHeapSize() * 1000;
}
@Test
public void testTotalHeapSize() throws Exception {
initManagement(false);
long totalHeapSizeOnAll = 0;
for (VM vm : managedNodeList) {
totalHeapSizeOnAll = totalHeapSizeOnAll
+ ((Number) vm.invoke(() -> TestHeapDUnitTest.getHeapSizeOfClient())).longValue();
}
long totalHeapSizeFromMXBean =
((Number) managingNode.invoke(() -> TestHeapDUnitTest.getHeapSizeOfDS())).intValue();
LogWriterUtils.getLogWriter().info("testTotalHeapSize totalHeapSizeFromMXBean = "
+ totalHeapSizeFromMXBean + " totalHeapSizeOnAll = " + totalHeapSizeOnAll);
assertNotSame(0, totalHeapSizeFromMXBean);
assertNotSame(0, totalHeapSizeOnAll);
assertNotSame(0,
totalHeapSizeFromMXBean - totalHeapSizeOnAll > 0
? (totalHeapSizeFromMXBean - totalHeapSizeOnAll)
: (-1 * (totalHeapSizeFromMXBean - totalHeapSizeOnAll)));
}
public void verifyStatistics() {
}
public void invokeOperations() {
}
}