itests/src/test/java/org/apache/karaf/itests/ServiceTest.java

/*
 * Licensed 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.karaf.itests;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.openmbean.TabularData;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.junit.PaxExam;
import org.ops4j.pax.exam.spi.reactors.ExamReactorStrategy;
import org.ops4j.pax.exam.spi.reactors.PerClass;

import java.lang.management.ManagementFactory;

@RunWith(PaxExam.class)
@ExamReactorStrategy(PerClass.class)
public class ServiceTest extends KarafTestSupport {

    @Test
    public void listCommand() throws Exception {
        String listOutput = executeCommand("service:list");
        System.out.println(listOutput);
        assertFalse(listOutput.isEmpty());
    }

    @Test
    public void listViaMBean() throws Exception {
        MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
        ObjectName name = new ObjectName("org.apache.karaf:type=service,name=root");
        TabularData services = (TabularData) mbeanServer.getAttribute(name, "Services");
        assertTrue(services.size() > 0);
    }

}