Example Spring JUnit test to verify Roo converters

gistfile1.java

package com.t.coursemanager.web;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;

import org.apache.log4j.Logger;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.core.convert.converter.Converter;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.annotation.Transactional;

import com.t.coursemanager.model.Course;
import com.t.coursemanager.model.CourseDataOnDemand;
import com.t.coursemanager.model.Tag;
import com.t.coursemanager.model.TagDataOnDemand;

@ContextConfiguration(locations = {"classpath:META-INF/spring/applicationContext*.xml"})
@RunWith(SpringJUnit4ClassRunner.class)
public class ApplicationConversionServiceFactoryBeanTest {

	private static final Logger logger = Logger.getLogger(ApplicationConversionServiceFactoryBeanTest.class);

	private ApplicationConversionServiceFactoryBean conversionService;
	private Converter<String, Tag> stringToTagConverter;
	private Converter<Long, Tag> idToTagConverter;
	private Converter<Tag, String> tagToStringConverter;
	private Tag tag;
	
	@Before
	public void setUp() {
		conversionService = new ApplicationConversionServiceFactoryBean();
		stringToTagConverter = conversionService.getStringToTagConverter();
		idToTagConverter = conversionService.getIdToTagConverter();
		tagToStringConverter = conversionService.getTagToStringConverter();
		tag = createCourseAndTagAndAssociate();
	}

	@Test
	@Transactional
	public void testConvertIdStringToTag() {
		assertThat(tag.getId(), notNullValue()); 
		String tagString = tagToStringConverter.convert(tag);
		logger.debug("value of tag -> String is");
		logger.debug(tagString);		
		String idString = String.valueOf(tag.getId());
		Tag convertedTag = stringToTagConverter.convert(idString);
		assertThat(convertedTag, is(tag));
		logger.debug(convertedTag);
	}
	
	@Test
	@Transactional
	public void testConvertIdToTag() {
		assertThat(tag.getId(), notNullValue()); 
		Tag convertedTag = idToTagConverter.convert(tag.getId());
		assertThat(convertedTag, is(tag));
		logger.debug(convertedTag);
	}
	
	@Test
	@Transactional
	public void testTagToString() {
		String tagString = tagToStringConverter.convert(tag);
		assertThat(tagString, notNullValue());
		logger.debug("value of tag -> String is");
		logger.debug(tagString);		
	}

	private Tag createCourseAndTagAndAssociate() {
		CourseDataOnDemand cdod = new CourseDataOnDemand();
		TagDataOnDemand tdod = new TagDataOnDemand();
		Course course =  cdod.getRandomCourse();
		Tag tag = tdod.getRandomTag();
		tag.getCourses().add(course);
		tag.flush();
		return tag;
	}

}