Polish MBeanExporterTests

This commit is contained in:
Sam Brannen 2023-07-10 18:20:39 +02:00
parent 3b899fe7e2
commit 9ad92b16b0
1 changed files with 91 additions and 111 deletions

View File

@ -62,7 +62,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
import static org.assertj.core.api.Assertions.assertThatRuntimeException;
/**
* Integration tests for the {@link MBeanExporter} class.
* Integration tests for {@link MBeanExporter}.
*
* @author Rob Harrop
* @author Juergen Hoeller
@ -76,9 +76,11 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
private static final String OBJECT_NAME = "spring:test=jmxMBeanAdaptor";
private final MBeanExporter exporter = new MBeanExporter();
@Test
void testRegisterNullNotificationListenerType() throws Exception {
void registerNullNotificationListenerType() throws Exception {
Map<String, NotificationListener> listeners = new HashMap<>();
// put null in as a value...
listeners.put("*", null);
@ -89,14 +91,12 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testRegisterNotificationListenerForNonExistentMBean() throws Exception {
Map<String, NotificationListener> listeners = new HashMap<>();
void registerNotificationListenerForNonExistentMBean() throws Exception {
NotificationListener dummyListener = (notification, handback) -> {
throw new UnsupportedOperationException();
};
// the MBean with the supplied object name does not exist...
listeners.put("spring:type=Test", dummyListener);
MBeanExporter exporter = new MBeanExporter();
Map<String, NotificationListener> listeners = Map.of("spring:type=Test", dummyListener);
exporter.setBeans(getBeanMap());
exporter.setServer(server);
exporter.setNotificationListenerMappings(listeners);
@ -107,8 +107,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testWithSuppliedMBeanServer() throws Exception {
MBeanExporter exporter = new MBeanExporter();
void withSuppliedMBeanServer() throws Exception {
exporter.setBeans(getBeanMap());
exporter.setServer(server);
try {
@ -122,13 +121,11 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testUserCreatedMBeanRegWithDynamicMBean() throws Exception {
Map<String, Object> map = new HashMap<>();
map.put("spring:name=dynBean", new TestDynamicMBean());
void userCreatedMBeanRegWithDynamicMBean() throws Exception {
Map<String, Object> map = Map.of("spring:name=dynBean", new TestDynamicMBean());
InvokeDetectAssembler asm = new InvokeDetectAssembler();
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(map);
exporter.setAssembler(asm);
@ -145,7 +142,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testAutodetectMBeans() throws Exception {
void autodetectMBeans() throws Exception {
try (ConfigurableApplicationContext ctx = load("autodetectMBeans.xml")) {
ctx.getBean("exporter");
MBeanServer server = ctx.getBean("server", MBeanServer.class);
@ -159,7 +156,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testAutodetectWithExclude() throws Exception {
void autodetectWithExclude() throws Exception {
try (ConfigurableApplicationContext ctx = load("autodetectMBeans.xml")) {
ctx.getBean("exporter");
MBeanServer server = ctx.getBean("server", MBeanServer.class);
@ -172,7 +169,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testAutodetectLazyMBeans() throws Exception {
void autodetectLazyMBeans() throws Exception {
try (ConfigurableApplicationContext ctx = load("autodetectLazyMBeans.xml")) {
ctx.getBean("exporter");
MBeanServer server = ctx.getBean("server", MBeanServer.class);
@ -190,18 +187,17 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testAutodetectNoMBeans() throws Exception {
void autodetectNoMBeans() throws Exception {
try (ConfigurableApplicationContext ctx = load("autodetectNoMBeans.xml")) {
ctx.getBean("exporter");
}
}
@Test
void testWithMBeanExporterListeners() throws Exception {
void withMBeanExporterListeners() throws Exception {
MockMBeanExporterListener listener1 = new MockMBeanExporterListener();
MockMBeanExporterListener listener2 = new MockMBeanExporterListener();
MBeanExporter exporter = new MBeanExporter();
exporter.setBeans(getBeanMap());
exporter.setServer(server);
exporter.setListeners(listener1, listener2);
@ -213,7 +209,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testExportJdkProxy() throws Exception {
void exportJdkProxy() throws Exception {
JmxTestBean bean = new JmxTestBean();
bean.setName("Rob Harrop");
@ -225,10 +221,8 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
IJmxTestBean proxy = (IJmxTestBean) factory.getProxy();
String name = "bean:mmm=whatever";
Map<String, Object> beans = new HashMap<>();
beans.put(name, proxy);
Map<String, Object> beans = Map.of(name, proxy);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.registerBeans();
@ -239,15 +233,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testSelfNaming() throws Exception {
void selfNaming() throws Exception {
ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);
SelfNamingTestBean testBean = new SelfNamingTestBean();
testBean.setObjectName(objectName);
Map<String, Object> beans = new HashMap<>();
beans.put("foo", testBean);
Map<String, Object> beans = Map.of("foo", testBean);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
@ -258,7 +250,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testRegisterIgnoreExisting() throws Exception {
void registerIgnoreExisting() throws Exception {
ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);
Person preRegistered = new Person();
@ -271,11 +263,11 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
String objectName2 = "spring:test=equalBean";
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), springRegistered);
beans.put(objectName2, springRegistered);
Map<String, Object> beans = Map.of(
objectName.toString(), springRegistered,
objectName2, springRegistered
);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setRegistrationPolicy(RegistrationPolicy.IGNORE_EXISTING);
@ -292,7 +284,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testRegisterReplaceExisting() throws Exception {
void registerReplaceExisting() throws Exception {
ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);
Person preRegistered = new Person();
@ -303,10 +295,8 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
Person springRegistered = new Person();
springRegistered.setName("Sally Greenwood");
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), springRegistered);
Map<String, Object> beans = Map.of(objectName.toString(), springRegistered);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setRegistrationPolicy(RegistrationPolicy.REPLACE_EXISTING);
@ -321,7 +311,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testWithExposeClassLoader() throws Exception {
void withExposeClassLoader() throws Exception {
String name = "Rob Harrop";
String otherName = "Juergen Hoeller";
@ -329,10 +319,8 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
bean.setName(name);
ObjectName objectName = ObjectNameManager.getInstance("spring:type=Test");
Map<String, Object> beans = new HashMap<>();
beans.put(objectName.toString(), bean);
Map<String, Object> beans = Map.of(objectName.toString(), bean);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setBeans(beans);
exporter.setExposeManagedResourceClassLoader(true);
@ -351,16 +339,14 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testBonaFideMBeanIsNotExportedWhenAutodetectIsTotallyTurnedOff() {
void bonaFideMBeanIsNotExportedWhenAutodetectIsTotallyTurnedOff() {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition("^&_invalidObjectName_(*", builder.getBeanDefinition());
String exportedBeanName = "export.me.please";
factory.registerSingleton(exportedBeanName, new TestBean());
MBeanExporter exporter = new MBeanExporter();
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(OBJECT_NAME, exportedBeanName);
Map<String, Object> beansToExport = Map.of(OBJECT_NAME, exportedBeanName);
exporter.setBeans(beansToExport);
exporter.setServer(getServer());
exporter.setBeanFactory(factory);
@ -371,14 +357,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testOnlyBonaFideMBeanIsExportedWhenAutodetectIsMBeanOnly() throws Exception {
void onlyBonaFideMBeanIsExportedWhenAutodetectIsMBeanOnly() throws Exception {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
String exportedBeanName = "spring:type=TestBean";
factory.registerSingleton(exportedBeanName, new TestBean());
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
exporter.setBeanFactory(factory);
@ -392,7 +377,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testBonaFideMBeanAndRegularBeanExporterWithAutodetectAll() throws Exception {
void bonaFideMBeanAndRegularBeanExporterWithAutodetectAll() throws Exception {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
@ -401,7 +386,6 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
String notToBeExportedBeanName = "spring:type=NotToBeExported";
factory.registerSingleton(notToBeExportedBeanName, new TestBean());
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
exporter.setBeanFactory(factory);
@ -416,14 +400,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testBonaFideMBeanIsNotExportedWithAutodetectAssembler() throws Exception {
void bonaFideMBeanIsNotExportedWithAutodetectAssembler() throws Exception {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
String exportedBeanName = "spring:type=TestBean";
factory.registerSingleton(exportedBeanName, new TestBean());
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
exporter.setBeanFactory(factory);
@ -439,15 +422,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
* Want to ensure that said MBean is not exported twice.
*/
@Test
void testBonaFideMBeanExplicitlyExportedAndAutodetectionIsOn() throws Exception {
void bonaFideMBeanExplicitlyExportedAndAutodetectionIsOn() throws Exception {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(OBJECT_NAME, OBJECT_NAME);
Map<String, Object> beansToExport = Map.of(OBJECT_NAME, OBJECT_NAME);
exporter.setBeans(beansToExport);
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(OBJECT_NAME));
exporter.setBeanFactory(factory);
@ -458,61 +439,68 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testSetAutodetectModeToOutOfRangeNegativeValue() {
MBeanExporter exporter = new MBeanExporter();
assertThatIllegalArgumentException().isThrownBy(() ->
exporter.setAutodetectMode(-1));
void setAutodetectModeToSupportedValue() {
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ASSEMBLER);
}
@Test
void testSetAutodetectModeToOutOfRangePositiveValue() {
MBeanExporter exporter = new MBeanExporter();
assertThatIllegalArgumentException().isThrownBy(() ->
exporter.setAutodetectMode(5));
void setAutodetectModeToOutOfRangeNegativeValue() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectMode(-1));
}
@Test
void testSetAutodetectModeNameToAnEmptyString() {
MBeanExporter exporter = new MBeanExporter();
assertThatIllegalArgumentException().isThrownBy(() ->
exporter.setAutodetectModeName(""));
void setAutodetectModeToOutOfRangePositiveValue() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectMode(5));
}
@Test
void testSetAutodetectModeNameToAWhitespacedString() {
MBeanExporter exporter = new MBeanExporter();
assertThatIllegalArgumentException().isThrownBy(() ->
exporter.setAutodetectModeName(" \t"));
void setAutodetectModeNameToSupportedValue() {
exporter.setAutodetectModeName("AUTODETECT_ASSEMBLER");
}
@Test
void testSetAutodetectModeNameToARubbishValue() {
MBeanExporter exporter = new MBeanExporter();
assertThatIllegalArgumentException().isThrownBy(() ->
exporter.setAutodetectModeName("That Hansel is... *sssooo* hot right now!"));
void setAutodetectModeNameToNull() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectModeName(null));
}
@Test
void testNotRunningInBeanFactoryAndPassedBeanNameToExport() throws Exception {
MBeanExporter exporter = new MBeanExporter();
Map<String, Object> beans = new HashMap<>();
beans.put(OBJECT_NAME, "beanName");
void setAutodetectModeNameToAnEmptyString() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectModeName(""));
}
@Test
void setAutodetectModeNameToAWhitespacedString() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectModeName(" \t"));
}
@Test
void setAutodetectModeNameToARubbishValue() {
assertThatIllegalArgumentException()
.isThrownBy(() -> exporter.setAutodetectModeName("That Hansel is... *sssooo* hot right now!"));
}
@Test
void notRunningInBeanFactoryAndPassedBeanNameToExport() throws Exception {
Map<String, Object> beans = Map.of(OBJECT_NAME, "beanName");
exporter.setBeans(beans);
assertThatExceptionOfType(MBeanExportException.class).isThrownBy(() ->
start(exporter));
assertThatExceptionOfType(MBeanExportException.class)
.isThrownBy(() -> start(exporter));
}
@Test
void testNotRunningInBeanFactoryAndAutodetectionIsOn() throws Exception {
MBeanExporter exporter = new MBeanExporter();
void notRunningInBeanFactoryAndAutodetectionIsOn() throws Exception {
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
assertThatExceptionOfType(MBeanExportException.class).isThrownBy(() ->
start(exporter));
assertThatExceptionOfType(MBeanExportException.class)
.isThrownBy(() -> start(exporter));
}
@Test // SPR-2158
void testMBeanIsNotUnregisteredSpuriouslyIfSomeExternalProcessHasUnregisteredMBean() throws Exception {
MBeanExporter exporter = new MBeanExporter();
void mbeanIsNotUnregisteredSpuriouslyIfSomeExternalProcessHasUnregisteredMBean() throws Exception {
exporter.setBeans(getBeanMap());
exporter.setServer(this.server);
MockMBeanExporterListener listener = new MockMBeanExporterListener();
@ -523,12 +511,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
this.server.unregisterMBean(new ObjectName(OBJECT_NAME));
exporter.destroy();
assertThat(listener.getUnregistered()).as("Listener should not have been invoked (MBean previously unregistered by external agent)")
assertThat(listener.getUnregistered())
.as("Listener should not have been invoked (MBean previously unregistered by external agent)")
.isEmpty();
}
@Test // SPR-3302
void testBeanNameCanBeUsedInNotificationListenersMap() throws Exception {
void beanNameCanBeUsedInNotificationListenersMap() throws Exception {
String beanName = "charlesDexterWard";
BeanDefinitionBuilder testBean = BeanDefinitionBuilder.rootBeanDefinition(JmxTestBean.class);
@ -537,10 +526,8 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
factory.preInstantiateSingletons();
Object testBeanInstance = factory.getBean(beanName);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put("test:what=ever", testBeanInstance);
Map<String, Object> beansToExport = Map.of("test:what=ever", testBeanInstance);
exporter.setBeans(beansToExport);
exporter.setBeanFactory(factory);
StubNotificationListener listener = new StubNotificationListener();
@ -550,7 +537,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testWildcardCanBeUsedInNotificationListenersMap() throws Exception {
void wildcardCanBeUsedInNotificationListenersMap() throws Exception {
String beanName = "charlesDexterWard";
BeanDefinitionBuilder testBean = BeanDefinitionBuilder.rootBeanDefinition(JmxTestBean.class);
@ -559,10 +546,8 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
factory.preInstantiateSingletons();
Object testBeanInstance = factory.getBean(beanName);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put("test:what=ever", testBeanInstance);
Map<String, Object> beansToExport = Map.of("test:what=ever", testBeanInstance);
exporter.setBeans(beansToExport);
exporter.setBeanFactory(factory);
StubNotificationListener listener = new StubNotificationListener();
@ -572,7 +557,7 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test // SPR-3625
void testMBeanIsUnregisteredForRuntimeExceptionDuringInitialization() throws Exception {
void mbeanIsUnregisteredForRuntimeExceptionDuringInitialization() throws Exception {
BeanDefinitionBuilder builder1 = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
BeanDefinitionBuilder builder2 = BeanDefinitionBuilder
.rootBeanDefinition(RuntimeExceptionThrowingConstructorBean.class);
@ -584,16 +569,16 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
factory.registerBeanDefinition(objectName1, builder1.getBeanDefinition());
factory.registerBeanDefinition(objectName2, builder2.getBeanDefinition());
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
Map<String, Object> beansToExport = new HashMap<>();
beansToExport.put(objectName1, objectName1);
beansToExport.put(objectName2, objectName2);
Map<String, Object> beansToExport = Map.of(
objectName1, objectName1,
objectName2, objectName2
);
exporter.setBeans(beansToExport);
exporter.setBeanFactory(factory);
assertThatRuntimeException().as("failed during creation of RuntimeExceptionThrowingConstructorBean")
.isThrownBy(() -> start(exporter));
.isThrownBy(() -> start(exporter));
assertIsNotRegistered("Must have unregistered all previously registered MBeans due to RuntimeException",
ObjectNameManager.getInstance(objectName1));
@ -602,14 +587,13 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testIgnoreBeanName() throws MalformedObjectNameException {
void ignoreBeanName() throws MalformedObjectNameException {
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
String firstBeanName = "spring:type=TestBean";
factory.registerSingleton(firstBeanName, new TestBean("test"));
String secondBeanName = "spring:type=TestBean2";
factory.registerSingleton(secondBeanName, new TestBean("test2"));
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(firstBeanName, secondBeanName));
exporter.setBeanFactory(factory);
@ -624,11 +608,10 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testRegisterFactoryBean() throws MalformedObjectNameException {
void registerFactoryBean() throws MalformedObjectNameException {
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition("spring:type=FactoryBean", new RootBeanDefinition(ProperSomethingFactoryBean.class));
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setBeanFactory(factory);
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
@ -639,11 +622,10 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
}
@Test
void testIgnoreNullObjectFromFactoryBean() throws MalformedObjectNameException {
void ignoreNullObjectFromFactoryBean() throws MalformedObjectNameException {
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
factory.registerBeanDefinition("spring:type=FactoryBean", new RootBeanDefinition(NullSomethingFactoryBean.class));
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(getServer());
exporter.setBeanFactory(factory);
exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
@ -658,13 +640,11 @@ public class MBeanExporterTests extends AbstractMBeanServerTests {
return new ClassPathXmlApplicationContext(context, getClass());
}
private Map<String, Object> getBeanMap() {
Map<String, Object> map = new HashMap<>();
map.put(OBJECT_NAME, new JmxTestBean());
return map;
private static Map<String, Object> getBeanMap() {
return Map.of(OBJECT_NAME, new JmxTestBean());
}
private void assertListener(MockMBeanExporterListener listener) throws MalformedObjectNameException {
private static void assertListener(MockMBeanExporterListener listener) throws MalformedObjectNameException {
ObjectName desired = ObjectNameManager.getInstance(OBJECT_NAME);
assertThat(listener.getRegistered()).as("Incorrect number of registrations").hasSize(1);
assertThat(listener.getUnregistered()).as("Incorrect number of unregistrations").hasSize(1);