/*
* 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 SF 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.sling.hc.jmx.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.lang.management.ManagementFactory;
import java.util.Date;
import java.util.List;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.sling.hc.api.HealthCheck;
import org.apache.sling.hc.api.Result;
import org.apache.sling.hc.api.ResultLog;
import org.apache.sling.hc.api.execution.HealthCheckExecutionResult;
import org.apache.sling.hc.core.impl.executor.ExtendedHealthCheckExecutor;
import org.apache.sling.hc.util.HealthCheckMetadata;
import org.apache.sling.hc.util.SimpleConstraintChecker;
import org.junit.Test;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceReference;
public class HealthCheckMBeanTest {
private final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
private boolean resultOk;
public static final String OBJECT_NAME = "org.apache.sling.testing:type=HealthCheckMBeanTest";
private HealthCheck testHealthCheck = new HealthCheck() {
@Override
public Result execute() {
if(resultOk) {
return new Result(Result.Status.OK, "Nothing to report, result ok");
} else {
return new Result(Result.Status.WARN, "Result is not ok!");
}
}
};
private void assertJmxValue(String mbeanName, String attributeName, String constraint, boolean expected) throws Exception {
final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
final ObjectName objectName = new ObjectName(mbeanName);
if(jmxServer.queryNames(objectName, null).size() == 0) {
fail("MBean not found: " + objectName);
}
final Object value = jmxServer.getAttribute(objectName, attributeName);
final ResultLog resultLog = new ResultLog();
new SimpleConstraintChecker().check(value, constraint, resultLog);
assertEquals("Expecting result " + expected + "(" + resultLog + ")", expected, resultLog.getAggregateStatus().equals(Result.Status.OK));
}
@Test
public void testBean() throws Exception {
final ServiceReference ref = new ServiceReference() {
@Override
public boolean isAssignableTo(Bundle bundle, String className) {
return false;
}
@Override
public Bundle[] getUsingBundles() {
return null;
}
@Override
public String[] getPropertyKeys() {
return null;
}
@Override
public Object getProperty(String key) {
return null;
}
@Override
public Bundle getBundle() {
return null;
}
@Override
public int compareTo(Object reference) {
return 0;
}
};
final HealthCheckMBean mbean = new HealthCheckMBean(ref, new ExtendedHealthCheckExecutor() {
@Override
public List<HealthCheckExecutionResult> execute(String... tags) {
return null;
}
@Override
public HealthCheckExecutionResult execute(ServiceReference ref) {
// TODO Auto-generated method stub
return new HealthCheckExecutionResult() {
@Override
public Result getHealthCheckResult() {
// TODO Auto-generated method stub
return testHealthCheck.execute();
}
@Override
public HealthCheckMetadata getHealthCheckMetadata() {
// TODO Auto-generated method stub
return null;
}
@Override
public Date getFinishedAt() {
// TODO Auto-generated method stub
return null;
}
@Override
public long getElapsedTimeInMs() {
// TODO Auto-generated method stub
return 0;
}
@Override
public boolean hasTimedOut() {
// TODO Auto-generated method stub
return false;
}
};
}
});
final ObjectName name = new ObjectName(OBJECT_NAME);
jmxServer.registerMBean(mbean, name);
try {
resultOk = true;
assertJmxValue(OBJECT_NAME, "ok", "true", true);
Thread.sleep(1500);
resultOk = false;
assertJmxValue(OBJECT_NAME, "ok", "true", false);
Thread.sleep(1500);
assertJmxValue(OBJECT_NAME, "log", "contains message=Result is not ok!", true);
} finally {
jmxServer.unregisterMBean(name);
}
}
}