QPID-1579 : Additional test case for MBean capability builder when target resource has no properties / no methods

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@744651 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 57 insertions, 0 deletions

diff --git a/qpid/java/management/client/src/test/java/org/apache/qpid/management/wsdm/capabilities/MBeanCapabilityBuilderTest.java b/qpid/java/management/client/src/test/java/org/apache/qpid/management/wsdm/capabilities/MBeanCapabilityBuilderTest.java
index 407f903f80..68c9930ecd 100644
--- a/qpid/java/management/client/src/test/java/org/apache/qpid/management/wsdm/capabilities/MBeanCapabilityBuilderTest.java
+++ b/qpid/java/management/client/src/test/java/org/apache/qpid/management/wsdm/capabilities/MBeanCapabilityBuilderTest.java
@@ -21,7 +21,10 @@
 package org.apache.qpid.management.wsdm.capabilities;

 

 import java.lang.management.ManagementFactory;

+import java.lang.reflect.Field;

+import java.lang.reflect.Method;

 import java.util.ArrayList;

+import java.util.Arrays;

 import java.util.List;

 

 import javassist.CtClass;

@@ -33,6 +36,7 @@ import javax.management.MBeanOperationInfo;
 import javax.management.MBeanParameterInfo;

 import javax.management.MBeanServer;

 import javax.management.ObjectName;

+import javax.xml.namespace.QName;

 

 import junit.framework.TestCase;

 

@@ -50,6 +54,25 @@ import org.apache.qpid.management.wsdm.common.QManFault;
 public class MBeanCapabilityBuilderTest extends TestCase

 {

 	

+	/**

+	 * Management interface for an mbean that has no properties and no 

+	 * methods.

+	 * 

+	 * @author Andrea Gazzarini

+	 */

+	public interface NoPropertiesNoMethodsMBean 

+	{

+	}

+

+	/**

+	 * Implementation of the managenent interface described above.

+	 * 

+	 * @author Andrea Gazzarini

+	 */

+	public class NoPropertiesNoMethods implements NoPropertiesNoMethodsMBean 

+	{

+	}

+

 	private MBeanCapabilityBuilder _builder;

 	private ObjectName _objectName;

 	

@@ -126,6 +149,40 @@ public class MBeanCapabilityBuilderTest extends TestCase
 	}

 	

 	/**

+	 * Tests buils of a capability that has no properties and methods

+	 * 

+	 * <br>precondition : the incoming entity definition is empty (no properties and no methods)

+	 * <br>postcondition : the capability class is built successfully and has no props and methods.

+	 * 								The getPropertyNames returns an empty QName array.

+	 */

+	public void testOK_WithNoPropertiesNoMethods() throws Exception {

+

+		ObjectName name = new ObjectName("Test:Name=NoPropertiesNoMethods");

+		

+		MBeanServer server = ManagementFactory.getPlatformMBeanServer();

+		server.registerMBean(new NoPropertiesNoMethods(), name);

+		

+		_builder.begin(name);

+		_builder.endAttributes();

+		_builder.endOperations();

+		Class<MBeanCapability> capabilityClass = _builder.getCapabilityClass();

+		

+		Field[] fields = capabilityClass.getDeclaredFields();

+		Method [] methods = capabilityClass.getDeclaredMethods();

+		

+		assertEquals(Arrays.toString(fields),0,fields.length);

+		assertEquals(Arrays.toString(methods),1,methods.length);

+		

+		Method getPropertyNames = methods[0];

+		assertEquals("getPropertyNames",getPropertyNames.getName());

+		

+		

+		MBeanCapability capability = capabilityClass.newInstance();

+		QName [] properties = (QName[]) getPropertyNames.invoke(capability);

+		assertEquals(0,properties.length);

+	}

+	

+	/**

 	 * Tests the whole execution of the builder.

 	 */

 	@SuppressWarnings("unchecked")