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/*
* SonarQube
* Copyright (C) 2009-2022 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process;
import java.lang.management.ManagementFactory;
import javax.annotation.CheckForNull;
import javax.management.InstanceNotFoundException;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import org.junit.Test;
import org.sonar.process.jmx.Fake;
import org.sonar.process.jmx.FakeMBean;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
public class JmxTest {
static final String FAKE_NAME = "SonarQube:name=Fake";
FakeMBean mbean = new Fake();
@Test
public void register_and_unregister() throws Exception {
assertThat(lookupMBean()).isNull();
Jmx.register(FAKE_NAME, mbean);
assertThat(lookupMBean()).isNotNull();
Jmx.unregister(FAKE_NAME);
assertThat(lookupMBean()).isNull();
}
@Test
public void do_not_fail_when_unregistering_a_non_registered_bean() throws Exception {
Jmx.unregister(FAKE_NAME);
assertThat(lookupMBean()).isNull();
}
@Test
public void register_fails_if_mbean_interface_can_not_be_found() {
assertThatThrownBy(() -> Jmx.register(FAKE_NAME, "not a mbean"))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("Can not find the MBean interface of class java.lang.String");
}
@Test
public void register_fails_if_name_is_not_valid() {
assertThatThrownBy(() -> Jmx.register("/", new Fake()))
.isInstanceOf(IllegalStateException.class)
.hasMessage("Can not register MBean [/]");
}
@Test
public void support_implementation_in_different_package_than_interface() throws Exception {
assertThat(lookupMBean()).isNull();
Jmx.register(FAKE_NAME, new org.sonar.process.jmx.test.Fake());
assertThat(lookupMBean()).isNotNull();
Jmx.unregister(FAKE_NAME);
assertThat(lookupMBean()).isNull();
}
@CheckForNull
private ObjectInstance lookupMBean() throws Exception {
try {
return ManagementFactory.getPlatformMBeanServer().getObjectInstance(new ObjectName(FAKE_NAME));
} catch (InstanceNotFoundException e) {
return null;
}
}
}
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