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ActiveMQ example source code file (ActiveMQActivationSpecTest.java)

This example ActiveMQ source code file (ActiveMQActivationSpecTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqactivationspec, activemqactivationspec, activemqactivationspecs, activemqdestination, activemqdestination, bean, destination, incorrect, incorrect, invalidpropertyexception, javabean, property, propertydescriptor, propertydescriptor, propertydescriptors, string, util

The ActiveMQ ActiveMQActivationSpecTest.java source code

/**
 * 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 ASF 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.activemq.ra;

import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.util.Arrays;
import java.util.List;

import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import javax.resource.spi.InvalidPropertyException;

import junit.framework.TestCase;
import org.apache.activemq.command.ActiveMQDestination;

/**
 * 
 */
public class ActiveMQActivationSpecTest extends TestCase {

    private static final String DESTINATION = "defaultQueue";
    private static final String DESTINATION_TYPE = Queue.class.getName();
    private static final String EMPTY_STRING = "   ";

    private ActiveMQActivationSpec activationSpec;
    private PropertyDescriptor destinationProperty;
    private PropertyDescriptor destinationTypeProperty;
    private PropertyDescriptor acknowledgeModeProperty;
    private PropertyDescriptor subscriptionDurabilityProperty;
    private PropertyDescriptor clientIdProperty;
    private PropertyDescriptor subscriptionNameProperty;

    public ActiveMQActivationSpecTest(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        super.setUp();

        activationSpec = new ActiveMQActivationSpec();
        activationSpec.setDestination(DESTINATION);
        activationSpec.setDestinationType(DESTINATION_TYPE);

        destinationProperty = new PropertyDescriptor("destination", ActiveMQActivationSpec.class);
        destinationTypeProperty = new PropertyDescriptor("destinationType", ActiveMQActivationSpec.class);
        acknowledgeModeProperty = new PropertyDescriptor("acknowledgeMode", ActiveMQActivationSpec.class);
        subscriptionDurabilityProperty = new PropertyDescriptor("subscriptionDurability", ActiveMQActivationSpec.class);
        clientIdProperty = new PropertyDescriptor("clientId", ActiveMQActivationSpec.class);
        subscriptionNameProperty = new PropertyDescriptor("subscriptionName", ActiveMQActivationSpec.class);
    }

    public void testDefaultContructionValidation() throws IntrospectionException {
        PropertyDescriptor[] expected = {destinationTypeProperty, destinationProperty};
        assertActivationSpecInvalid(new ActiveMQActivationSpec(), expected);
    }

    public void testMinimalSettings() {
        assertEquals(DESTINATION, activationSpec.getDestination());
        assertEquals(DESTINATION_TYPE, activationSpec.getDestinationType());
        assertActivationSpecValid();
    }

    public void testNoDestinationTypeFailure() {
        activationSpec.setDestinationType(null);
        PropertyDescriptor[] expected = {destinationTypeProperty};
        assertActivationSpecInvalid(expected);
    }

    public void testInvalidDestinationTypeFailure() {
        activationSpec.setDestinationType("foobar");
        PropertyDescriptor[] expected = {destinationTypeProperty};
        assertActivationSpecInvalid(expected);
    }

    public void testQueueDestinationType() {
        activationSpec.setDestinationType(Queue.class.getName());
        assertActivationSpecValid();
    }

    public void testTopicDestinationType() {
        activationSpec.setDestinationType(Topic.class.getName());
        assertActivationSpecValid();
    }

    public void testSuccessfulCreateQueueDestination() {
        activationSpec.setDestinationType(Queue.class.getName());
        activationSpec.setDestination(DESTINATION);
        assertActivationSpecValid();
        ActiveMQDestination destination = activationSpec.createDestination();
        assertNotNull("ActiveMQDestination not created", destination);
        assertEquals("Physical name not the same", activationSpec.getDestination(), destination.getPhysicalName());
        assertTrue("Destination is not a Queue", destination instanceof Queue);
    }

    public void testSuccessfulCreateTopicDestination() {
        activationSpec.setDestinationType(Topic.class.getName());
        activationSpec.setDestination(DESTINATION);
        assertActivationSpecValid();
        ActiveMQDestination destination = activationSpec.createDestination();
        assertNotNull("ActiveMQDestination not created", destination);
        assertEquals("Physical name not the same", activationSpec.getDestination(), destination.getPhysicalName());
        assertTrue("Destination is not a Topic", destination instanceof Topic);
    }

    public void testCreateDestinationIncorrectType() {
        activationSpec.setDestinationType(null);
        activationSpec.setDestination(DESTINATION);
        ActiveMQDestination destination = activationSpec.createDestination();
        assertNull("ActiveMQDestination should not have been created", destination);
    }

    public void testCreateDestinationIncorrectDestinationName() {
        activationSpec.setDestinationType(Topic.class.getName());
        activationSpec.setDestination(null);
        ActiveMQDestination destination = activationSpec.createDestination();
        assertNull("ActiveMQDestination should not have been created", destination);
    }

//----------- acknowledgeMode tests
    public void testDefaultAcknowledgeModeSetCorrectly() {
        assertEquals("Incorrect default value", ActiveMQActivationSpec.AUTO_ACKNOWLEDGE_MODE,
                activationSpec.getAcknowledgeMode());
        assertEquals("Incorrect default value", Session.AUTO_ACKNOWLEDGE,
                activationSpec.getAcknowledgeModeForSession());
    }

    public void testInvalidAcknowledgeMode() {
        activationSpec.setAcknowledgeMode("foobar");
        PropertyDescriptor[] expected = {acknowledgeModeProperty};
        assertActivationSpecInvalid(expected);
        assertEquals("Incorrect acknowledge mode", ActiveMQActivationSpec.INVALID_ACKNOWLEDGE_MODE, 
                activationSpec.getAcknowledgeModeForSession());
    }

    public void testNoAcknowledgeMode() {
        activationSpec.setAcknowledgeMode(null);
        PropertyDescriptor[] expected = {acknowledgeModeProperty};
        assertActivationSpecInvalid(expected);
        assertEquals("Incorrect acknowledge mode", ActiveMQActivationSpec.INVALID_ACKNOWLEDGE_MODE,
                activationSpec.getAcknowledgeModeForSession());
    }

    public void testSettingAutoAcknowledgeMode() {
        activationSpec.setAcknowledgeMode(ActiveMQActivationSpec.AUTO_ACKNOWLEDGE_MODE);
        assertActivationSpecValid();
        assertEquals("Incorrect acknowledge mode", Session.AUTO_ACKNOWLEDGE,
                activationSpec.getAcknowledgeModeForSession());
    }

    public void testSettingDupsOkAcknowledgeMode() {
        activationSpec.setAcknowledgeMode(ActiveMQActivationSpec.DUPS_OK_ACKNOWLEDGE_MODE);
        assertActivationSpecValid();
        assertEquals("Incorrect acknowledge mode", Session.DUPS_OK_ACKNOWLEDGE,
                activationSpec.getAcknowledgeModeForSession());
    }

//----------- subscriptionDurability tests
    public void testDefaultSubscriptionDurabilitySetCorrectly() {
        assertEquals("Incorrect default value", ActiveMQActivationSpec.NON_DURABLE_SUBSCRIPTION,
                activationSpec.getSubscriptionDurability());
    }
    
    public void testInvalidSubscriptionDurability() {
        activationSpec.setSubscriptionDurability("foobar");
        PropertyDescriptor[] expected = {subscriptionDurabilityProperty};
        assertActivationSpecInvalid(expected);
    }

    public void testNullSubscriptionDurability() {
        activationSpec.setSubscriptionDurability(null);
        PropertyDescriptor[] expected = {subscriptionDurabilityProperty};
        assertActivationSpecInvalid(expected);
    }

    public void testSettingNonDurableSubscriptionDurability() {
        activationSpec.setSubscriptionDurability(ActiveMQActivationSpec.NON_DURABLE_SUBSCRIPTION);
        assertActivationSpecValid();
    }

//----------- durable subscriber tests    
    public void testValidDurableSubscriber() {
        activationSpec.setDestinationType(Topic.class.getName());
        activationSpec.setSubscriptionDurability(ActiveMQActivationSpec.DURABLE_SUBSCRIPTION);
        activationSpec.setClientId("foobar");
        activationSpec.setSubscriptionName("foobar");
        assertActivationSpecValid();        
        assertTrue(activationSpec.isDurableSubscription());
    }

    public void testDurableSubscriberWithQueueDestinationTypeFailure() {
        activationSpec.setDestinationType(Queue.class.getName());
        activationSpec.setSubscriptionDurability(ActiveMQActivationSpec.DURABLE_SUBSCRIPTION);
        activationSpec.setClientId("foobar");
        activationSpec.setSubscriptionName("foobar");
        PropertyDescriptor[] expected = {subscriptionDurabilityProperty};
        assertActivationSpecInvalid(expected);
    }
    
    public void testDurableSubscriberNoClientIdNoSubscriptionNameFailure() {
        activationSpec.setDestinationType(Topic.class.getName());
        activationSpec.setSubscriptionDurability(ActiveMQActivationSpec.DURABLE_SUBSCRIPTION);
        activationSpec.setClientId(null);
        assertNull(activationSpec.getClientId());
        activationSpec.setSubscriptionName(null);
        assertNull(activationSpec.getSubscriptionName());
        PropertyDescriptor[] expected = {clientIdProperty, subscriptionNameProperty};
        assertActivationSpecInvalid(expected);
    }    
    
    public void testDurableSubscriberEmptyClientIdEmptySubscriptionNameFailure() {
        activationSpec.setDestinationType(Topic.class.getName());
        activationSpec.setSubscriptionDurability(ActiveMQActivationSpec.DURABLE_SUBSCRIPTION);
        activationSpec.setClientId(EMPTY_STRING);
        assertNull(activationSpec.getClientId());
        activationSpec.setSubscriptionName(EMPTY_STRING);
        assertNull(activationSpec.getSubscriptionName());
        PropertyDescriptor[] expected = {clientIdProperty, subscriptionNameProperty};
        assertActivationSpecInvalid(expected);
    }    
    
    public void testSetEmptyStringButGetNullValue() {
        ActiveMQActivationSpec activationSpec = new ActiveMQActivationSpec();
        
        activationSpec.setDestinationType(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getDestinationType());
        
        activationSpec.setMessageSelector(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getMessageSelector());
        
        activationSpec.setDestination(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getDestination());
        
        activationSpec.setUserName(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getUserName());
        
        activationSpec.setPassword(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getPassword());
        
        activationSpec.setClientId(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getClientId());
        
        activationSpec.setSubscriptionName(EMPTY_STRING);
        assertNull("Property not null", activationSpec.getSubscriptionName());        
    }

//----------- helper methods    
    private void assertActivationSpecValid() {
        try {
            activationSpec.validate();
        } catch (InvalidPropertyException e) {
            fail("InvalidPropertyException should not be thrown");
        }
    }
    
    private void assertActivationSpecInvalid(PropertyDescriptor[] expected) {
        assertActivationSpecInvalid(activationSpec, expected);
    }

    private void assertActivationSpecInvalid(ActiveMQActivationSpec testActivationSpec, PropertyDescriptor[] expected) {
        try {
            testActivationSpec.validate();
            fail("InvalidPropertyException should have been thrown");
        } catch (InvalidPropertyException e) {
            PropertyDescriptor[] actual = e.getInvalidPropertyDescriptors();
            assertEquals(expected, actual);
        }
    }

    private static void assertEquals(PropertyDescriptor[] expected, PropertyDescriptor[] actual) {
        /*
        * This is kind of ugly.  I originally created two HashSets and did an assertEquals(set1, set2) 
        * but because of a bug in the PropertyDescriptor class, it incorrectly fails.  The problem is that the 
        * PropertyDescriptor class implements the equals() method but not the hashCode() method and almost all
        * of the java collection classes use hashCode() for testing equality.  The one exception I found was
        * the ArrayList class which uses equals() for testing equality.  Since Arrays.asList(...) returns an
        * ArrayList, I use it below.  Yes, ugly ... I know.
        *
        * see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4634390
        */
        assertNotNull("No PropertyDescriptors returned", expected);
        assertEquals("PropertyDescriptor array size is incorrect ", expected.length, actual.length);
        List<PropertyDescriptor> expectedList = Arrays.asList(expected);
        List<PropertyDescriptor> actualList = Arrays.asList(actual);
        assertTrue("Incorrect PropertyDescriptors returned", expectedList.containsAll(actualList));
    }
    
    public void testSelfEquality() {
        assertEquality(activationSpec, activationSpec);
    }

    public void testSamePropertiesButNotEqual() {
        assertNonEquality(new ActiveMQActivationSpec(), new ActiveMQActivationSpec());
    }

    private void assertEquality(ActiveMQActivationSpec leftSpec, ActiveMQActivationSpec rightSpec) {
        assertTrue("ActiveMQActivationSpecs are not equal", leftSpec.equals(rightSpec));
        assertTrue("ActiveMQActivationSpecs are not equal", rightSpec.equals(leftSpec));
        assertTrue("HashCodes are not equal", leftSpec.hashCode() == rightSpec.hashCode());
    }
    
    private void assertNonEquality(ActiveMQActivationSpec leftSpec, ActiveMQActivationSpec rightSpec) {
        assertFalse("ActiveMQActivationSpecs are equal", leftSpec.equals(rightSpec));
        assertFalse("ActiveMQActivationSpecs are equal", rightSpec.equals(leftSpec));
        assertFalse("HashCodes are equal", leftSpec.hashCode() == rightSpec.hashCode());
    }
    
}

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