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From mattba...@apache.org
Subject cvs commit: jakarta-ojb/src/test/org/apache/ojb/odmg ODMGRollbackTest.java
Date Fri, 20 Dec 2002 01:54:59 GMT
mattbaird    2002/12/19 17:54:59

  Modified:    src/test/org/apache/ojb/broker QueryTest.java
                        KeyConstraintViolationTest.java GraphTest.java
               src/test/org/apache/ojb/odmg ODMGRollbackTest.java
  Log:
  fix some tests, we don't need to catch exceptions, just let them flow thru and get JUNIT to handle them
  
  Revision  Changes    Path
  1.16      +684 -835  jakarta-ojb/src/test/org/apache/ojb/broker/QueryTest.java
  
  Index: QueryTest.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ojb/src/test/org/apache/ojb/broker/QueryTest.java,v
  retrieving revision 1.15
  retrieving revision 1.16
  diff -u -r1.15 -r1.16
  --- QueryTest.java	29 Nov 2002 13:54:36 -0000	1.15
  +++ QueryTest.java	20 Dec 2002 01:54:58 -0000	1.16
  @@ -2,19 +2,10 @@
   
   import junit.framework.TestCase;
   import org.apache.ojb.broker.metadata.ClassDescriptor;
  -import org.apache.ojb.broker.query.Criteria;
  -import org.apache.ojb.broker.query.Query;
  -import org.apache.ojb.broker.query.QueryByCriteria;
  -import org.apache.ojb.broker.query.QueryFactory;
  -import org.apache.ojb.broker.query.ReportQueryByCriteria;
  +import org.apache.ojb.broker.query.*;
   import org.apache.ojb.broker.util.BrokerHelper;
   
  -import java.util.ArrayList;
  -import java.util.Collection;
  -import java.util.HashSet;
  -import java.util.Iterator;
  -import java.util.Set;
  -import java.util.Vector;
  +import java.util.*;
   
   /**
    * Testing the query API
  @@ -22,832 +13,690 @@
   public class QueryTest extends TestCase
   {
   
  -    PersistenceBroker broker;
  +	PersistenceBroker broker;
   
  -    private static Class CLASS = QueryTest.class;
  +	private static Class CLASS = QueryTest.class;
   
  -    /**
  -     * BrokerTests constructor comment.
  -     * @param name java.lang.String
  -     */
  -    public QueryTest(String name)
  -    {
  -        super(name);
  -    }
  -
  -    /**
  -     * Insert the method's description here.
  -     * Creation date: (23.12.2000 18:30:38)
  -     * @param args java.lang.String[]
  -     */
  -    public static void main(String[] args)
  -    {
  -        String[] arr = {CLASS.getName()};
  -        junit.textui.TestRunner.main(arr);
  -    }
  -
  -    /**
  -     * Insert the method's description here.
  -     * Creation date: (06.12.2000 21:58:53)
  -     */
  -    public void setUp()
  -    {
  -        try
  -        {
  -            broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  -        }
  -        catch (PBFactoryException e)
  -        {
  -        }
  -    }
  -
  -    /**
  -     * Insert the method's description here.
  -     * Creation date: (06.12.2000 21:59:14)
  -     */
  -    public void tearDown()
  -    {
  -        broker.close();
  -    }
  -
  -    /**
  -     * test EqualTo Criteria
  -     */
  -    public void testEqualCriteria()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("firstname", "tom");
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test Subquery
  -     * get all product groups without articles
  -     *
  -     * test may fail if db does not support sub queries
  -     */
  -    public void testSubQuery2()
  -    {
  -        Collection results = null;
  -        try
  -        {
  -            ReportQueryByCriteria subQuery;
  -            Criteria subCrit = new Criteria();
  -            Criteria crit = new Criteria();
  -
  -            subQuery = QueryFactory.newReportQuery(Article.class, subCrit);
  -            subQuery.setColumns(new String[]{"productGroupId"});
  -            subQuery.setDistinct(true);
  -
  -            crit.addNotIn("groupId", subQuery);
  -            Query q = QueryFactory.newQuery(ProductGroup.class, crit);
  -
  -            results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            System.out.println("*** Found " + results.size() + " empty ProductGroups ***");
  +	/**
  +	 * BrokerTests constructor comment.
  +	 * @param name java.lang.String
  +	 */
  +	public QueryTest(String name)
  +	{
  +		super(name);
  +	}
  +
  +	/**
  +	 * Insert the method's description here.
  +	 * Creation date: (23.12.2000 18:30:38)
  +	 * @param args java.lang.String[]
  +	 */
  +	public static void main(String[] args)
  +	{
  +		String[] arr = {CLASS.getName()};
  +		junit.textui.TestRunner.main(arr);
  +	}
  +
  +	/**
  +	 * Insert the method's description here.
  +	 * Creation date: (06.12.2000 21:58:53)
  +	 */
  +	public void setUp()
  +	{
  +		try
  +		{
  +			broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  +		}
  +		catch (PBFactoryException e)
  +		{
  +		}
  +	}
  +
  +	/**
  +	 * Insert the method's description here.
  +	 * Creation date: (06.12.2000 21:59:14)
  +	 */
  +	public void tearDown()
  +	{
  +		broker.close();
  +	}
  +
  +	/**
  +	 * test EqualTo Criteria
  +	 */
  +	public void testEqualCriteria()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("firstname", "tom");
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * test Subquery
  +	 * get all product groups without articles
  +	 *
  +	 * test may fail if db does not support sub queries
  +	 */
  +	public void testSubQuery2()
  +	{
  +		Collection results = null;
  +
  +		ReportQueryByCriteria subQuery;
  +		Criteria subCrit = new Criteria();
  +		Criteria crit = new Criteria();
  +
  +		subQuery = QueryFactory.newReportQuery(Article.class, subCrit);
  +		subQuery.setColumns(new String[]{"productGroupId"});
  +		subQuery.setDistinct(true);
  +
  +		crit.addNotIn("groupId", subQuery);
  +		Query q = QueryFactory.newQuery(ProductGroup.class, crit);
  +
  +		results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		System.out.println("*** Found " + results.size() + " empty ProductGroups ***");
   //			assertTrue(results.size() == 6);
  -        }
  -        catch (Throwable t)
  -        {
  -            System.err.println("The DB may not support SubQueries");
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test Subquery
  -     * get all articles with price > avg(price)
  -     * PROBLEM: avg(price) is NOT extent aware !!
  -     *
  -     * test may fail if db does not support sub queries
  -     */
  -    public void testSubQuery1()
  -    {
  -        try
  -        {
  -            ReportQueryByCriteria subQuery;
  -            Criteria subCrit = new Criteria();
  -            Criteria crit = new Criteria();
  -
  -            subQuery = QueryFactory.newReportQuery(Article.class, subCrit);
  -            subQuery.setColumns(new String[]{"avg(price)"});
  -
  -            crit.addGreaterOrEqualThan("price", subQuery);
  -            Query q = QueryFactory.newQuery(Article.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            System.err.println("The DB may not support SubQueries");
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test Like Criteria
  -     */
  -    public void testLikeCriteria()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addLike("firstname", "%o%");
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test Null Criteria
  -     */
  -    public void testNullCriteria()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addIsNull("firstname");
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test Between Criteria
  -     */
  -    public void testBetweenCriteria()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addBetween("id", new Integer(1), new Integer(5));
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 5);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test In Criteria
  -     */
  -    public void testInCriteria()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            Collection ids = new Vector();
  -            ids.add(new Integer(1));
  -            ids.add(new Integer(3));
  -            ids.add(new Integer(5));
  -
  -            crit.addIn("id", ids);
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 3);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Single Path Expression
  -     */
  -    public void testPathExpressions()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("productGroup.groupName", "Liquors");
  -            Query q = QueryFactory.newQuery(Article.class, crit);
  -            //System.out.println(q.toString());
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            //System.out.println(results.toString());
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Multi Path Expression over decomposed m:n
  -     */
  -    public void testPathExpressionsMtoNDecomposed()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("roles.project.title", "HSQLDB");
  -            // use decomposed m:n
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Multi Path Expression over nondecomposed m:n
  -     */
  -    public void testPathExpressionsMtoN()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("projects.title", "HSQLDB"); // direct m:n
  -            Query q = QueryFactory.newQuery(Person.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Simple ReportQuery returning rows with 2 columns of Person
  -     */
  -    public void testReportQuery()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            Collection results = new Vector();
  -            crit.addLike("firstname", "%o%");
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(Person.class, crit);
  -            q.setColumns(new String[]{"id", "firstname"});
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            assertNotNull(iter);
  -            while (iter.hasNext())
  -            {
  -                results.add(iter.next());
  -            }
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * ReportQuery returning rows with some "Liquor" data ordered by price
  -     */
  -    public void testReportQueryOrderBy()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            Collection results = new Vector();
  -            crit.addEqualTo("productGroup.groupName", "Liquors");
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(Article.class, crit);
  -            q.setColumns(new String[]{"articleId", "articleName", "price"});
  -            crit.addOrderByAscending("price");
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            assertNotNull(iter);
  -            while (iter.hasNext())
  -            {
  -                results.add(iter.next());
  -            }
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * ReportQuery returning rows with summed stock and price per article group
  -     */
  -    public void testReportQueryGroupBy()
  -    {
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            Collection results = new Vector();
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroup.class, crit);
  -            q.setColumns(
  -                    new String[]{"groupName", "sum(allArticlesInGroup.stock)", "sum(allArticlesInGroup.price)"});
  -            crit.addGroupBy("groupName");
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            assertNotNull(iter);
  -            while (iter.hasNext())
  -            {
  -                results.add(iter.next());
  -            }
  -            assertTrue(results.size() > 0);
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Read a CD and then read the ProductGroup for the CD
  -     */
  -    public void testInversePathExpression()
  -    {
  -
  -        try
  -        {
  -            QueryByCriteria query;
  -            Criteria crit;
  -            CdArticle cd;
  -            ProductGroupProxy pg, cdPg;
  -
  -            crit = new Criteria();
  -            crit.addEqualTo("articleId", new Integer(200));
  -            query = new QueryByCriteria(CdArticle.class, crit);
  -            cd = (CdArticle) broker.getObjectByQuery(query);
  -            cdPg = (ProductGroupProxy) cd.getProductGroup();
  -
  -            crit = new Criteria();
  -            crit.addEqualTo("allArticlesInGroup.articleId", new Integer(cd.getArticleId()));
  -            query = new QueryByCriteria(ProductGroup.class, crit);
  -            query.addPathClass("allArticlesInGroup", CdArticle.class);
  -            pg = (ProductGroupProxy) broker.getObjectByQuery(query);
  -
  -            // this test can only succeed in singlevm mode:
  -            if (!BrokerHelper.isRunningInServerMode())
  -            {
  -                assertTrue("ProductGroups should be the same", cdPg.getRealSubject() == pg.getRealSubject());
  -            }
  -        }
  -        catch (Throwable t)
  -        {
  -            fail(t.getMessage());
  -        }
  -
  -    }
  -
  -    /**
  -     * prefetch Articles for ProductGroupsWithArray,
  -     * Does not yet work with Arrays
  -     */
  -    public void tesXPrefetchedArraySingleKey()
  -    {
  -        fail("Prefetch does not yet work with arrays");
  -
  -        ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroupWithArray.class);
  -        ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  -        Class productGroupProxy = cldProductGroup.getProxyClass();
  -        Class articleProxy = cldArticle.getProxyClass();
  -
  -        try
  -        {
  -            //
  -            // use ProductGroup and Articles with disabled Proxy
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClassName(null);
  -            cldArticle.setProxyClassName(null);
  -
  -            Criteria crit = new Criteria();
  -            crit.addLessOrEqualThan("groupId", new Integer(5));
  -            crit.addOrderByDescending("groupId");
  -            crit.addPrefetchedRelationship("allArticlesInGroup");
  -            Query q = QueryFactory.newQuery(ProductGroupWithArray.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -            ProductGroupWithArray pg = (ProductGroupWithArray) results.toArray()[0];
  -            int articleSize = pg.getAllArticles().length;
  -            String articleString = pg.getAllArticles().toString();
  -
  -            //
  -            // use ProductGroupWithArray and Articles with original Proxy settings
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClassName(productGroupProxy.getName());
  -            cldArticle.setProxyClassName(articleProxy.getName());
  -
  -            crit = new Criteria();
  -            crit.addEqualTo("groupId", new Integer(5));
  -            q = QueryFactory.newQuery(ProductGroupWithArray.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            ProductGroupWithArray pg2 = (ProductGroupWithArray) results.toArray()[0];
  -            int articleSize2 = pg2.getAllArticles().length;
  -            String articleString2 = pg2.getAllArticles().toString();
  -
  -            //
  -            // compare prefetched and 'normal' data
  -            //
  -            assertEquals("Check size", articleSize, articleSize2);
  -            assertEquals("Check content", articleString, articleString2);
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * prefetch Articles for ProductGroups
  -     */
  -    public void testPrefetchedCollectionSingleKey()
  -    {
  -        ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroup.class);
  -        ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  -        Class productGroupProxy = cldProductGroup.getProxyClass();
  -        Class articleProxy = cldArticle.getProxyClass();
  -
  -        try
  -        {
  -            //
  -            // use ProductGroup and Articles with disabled Proxy
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClass(null);
  -            cldProductGroup.setProxyClassName(null);
  -            cldArticle.setProxyClass(null);
  -            cldArticle.setProxyClassName(null);
  -            broker.setClassDescriptor(cldProductGroup);
  -            broker.setClassDescriptor(cldArticle);
  -
  -            Criteria crit = new Criteria();
  -            crit.addLessOrEqualThan("groupId", new Integer(5));
  -            crit.addOrderByDescending("groupId");
  -            crit.addPrefetchedRelationship("allArticlesInGroup");
  -            Query q = QueryFactory.newQuery(ProductGroup.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() > 0);
  -            InterfaceProductGroup pg = (InterfaceProductGroup) results.toArray()[0];
  -            int articleSize = pg.getAllArticles().size();
  -            String articleString = pg.getAllArticles().toString();
  -
  -            //
  -            // use ProductGroup and Articles with original Proxy settings
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClass(productGroupProxy);
  -            cldProductGroup.setProxyClassName(productGroupProxy.getName());
  -            cldArticle.setProxyClass(articleProxy);
  -            cldArticle.setProxyClassName(articleProxy.getName());
  -            broker.setClassDescriptor(cldProductGroup);
  -            broker.setClassDescriptor(cldArticle);
  -
  -
  -            crit = new Criteria();
  -            crit.addEqualTo("groupId", new Integer(5));
  -            q = QueryFactory.newQuery(ProductGroup.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            InterfaceProductGroup pg2 = (InterfaceProductGroup) results.toArray()[0];
  -            int articleSize2 = pg2.getAllArticles().size();
  -            String articleString2 = pg2.getAllArticles().toString();
  -
  -            //
  -            // compare prefetched and 'normal' data
  -            //
  -            assertEquals("Check size", articleSize, articleSize2);
  -            assertEquals("Check content", articleString, articleString2);
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Test nested joins using pathExpressions
  -     */
  -    public void testNestedJoins()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(Person.class, crit, true);
  -
  -            q.setColumns(new String[]{"roles.roleName", "roles.project.title", "firstname", });
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            assertTrue(list.size() > 0);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Test multiple non nested joins using pathExpressions
  -     */
  -    public void testMultipleJoins()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(Role.class, crit, true);
  -
  -            q.setColumns(new String[]{"roleName", "project.title", "person.firstname", });
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            assertTrue(list.size() > 0);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Test nested joins using pathExpressions
  -     * *** Fails under hsqldb because of join using multiple keys ***
	 */
  -    public void tesXNestedJoins2()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(Task.class, crit);
  -
  -            q.setColumns(new String[]{"role.roleName", "role.project.title", "role.person.firstname", });
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            assertTrue(list.size() > 0);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * prefetch ProductGroups for Articles
  -     */
  -    public void testPrefetchedReferencesSingleKey()
  -    {
  -        ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroup.class);
  -        ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  -        Class productGroupProxy = cldProductGroup.getProxyClass();
  -        Class articleProxy = cldArticle.getProxyClass();
  -
  -        try
  -        {
  -            //
  -            // use ProductGroup and Articles with disabled Proxy
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClass(null);
  -            cldProductGroup.setProxyClassName(null);
  -            cldArticle.setProxyClass(null);
  -            cldArticle.setProxyClassName(null);
  -            broker.setClassDescriptor(cldProductGroup);
  -            broker.setClassDescriptor(cldArticle);
  -
  -            Criteria crit = new Criteria();
  -            crit.addNotNull("productGroupId");
  -            crit.addLessOrEqualThan("productGroupId", new Integer(5));
  -            crit.addOrderByDescending("productGroupId");
  -            crit.addPrefetchedRelationship("productGroup");
  -            Query q = QueryFactory.newQuery(Article.class, crit);
  -
  -            Collection results = broker.getCollectionByQuery(q);
  -            Set pgs = new HashSet();
  -            Iterator iter = results.iterator();
  -            while (iter.hasNext())
  -            {
  -                InterfaceArticle a = (InterfaceArticle) iter.next();
  -                pgs.add(a.getProductGroup().getName());
  -            }
  -
  -            assertTrue(pgs.size() > 0);
  -            String pgsString = pgs.toString();
  -
  -            //
  -            // use ProductGroup and Articles with original Proxy settings
  -            //
  -            broker.clearCache();
  -            cldProductGroup.setProxyClass(productGroupProxy);
  -            cldProductGroup.setProxyClassName(productGroupProxy.getName());
  -            cldArticle.setProxyClass(articleProxy);
  -            cldArticle.setProxyClassName(articleProxy.getName());
  -            broker.setClassDescriptor(cldProductGroup);
  -            broker.setClassDescriptor(cldArticle);
  -
  -
  -            crit = new Criteria();
  -            crit.addNotNull("productGroupId");
  -            crit.addLessOrEqualThan("productGroupId", new Integer(5));
  -            crit.addOrderByDescending("productGroupId");
  -            q = QueryFactory.newQuery(Article.class, crit);
  -
  -            results = broker.getCollectionByQuery(q);
  -            Set pgs2 = new HashSet();
  -            iter = results.iterator();
  -            while (iter.hasNext())
  -            {
  -                InterfaceArticle a = (InterfaceArticle) iter.next();
  -                pgs2.add(a.getProductGroup().getName());
  -            }
  -
  -            assertTrue(pgs2.size() > 0);
  -            String pgsString2 = pgs2.toString();
  -
  -            //
  -            // compare prefetched and 'normal' data
  -            //
  -            assertEquals("Check size", pgs.size(), pgs2.size());
  -            assertEquals("Check content", pgsString, pgsString2);
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * test PathExpression pointing to abstract class
  -     * BRJ: throws a NullPointerException
	 */
  -    public void tesXPathExpressionAbstract()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("groupId", new Integer(5));
  -
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroupWithAbstractArticles.class, crit, true);
  -            q.setColumns(new String[]{"groupId", "groupName", "allArticlesInGroup.articleId", "allArticlesInGroup.articleName"});
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            // 7 Articles, 2 Books, 3 Cds
  -            //	assertEquals("check size", list.size(), 12);
  -            //
  -            //  BRJ: path expression is not yet extent aware
  -
  -            assertEquals("check size", list.size(), 7);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Test pathExpression and Extents
 	 */
  -    public void testReportPathExpressionForExtents()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("groupId", new Integer(5));
  -
  -            ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroup.class, crit, true);
  -            q.setColumns(new String[]{"groupId", "groupName", "allArticlesInGroup.articleId", "allArticlesInGroup.articleName"});
  -
  -            Iterator iter = broker.getReportQueryIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            // 7 Articles, 2 Books, 3 Cds
  -            //	assertEquals("check size", list.size(), 12);
  -            //
  -            //  BRJ: path expression is not yet extent aware for columns
  -
  -            assertEquals("check size", list.size(), 7);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    /**
  -     * Test pathExpression and Extents
  -     */
  -    public void testPathExpressionForExtents()
  -    {
  -        ArrayList list = new java.util.ArrayList();
  -
  -        try
  -        {
  -            Criteria crit = new Criteria();
  -            crit.addEqualTo("allArticlesInGroup.productGroupId", new Integer(5));
  -
  -            Query q = QueryFactory.newQuery(ProductGroup.class, crit, true);
  -
  -            Iterator iter = broker.getIteratorByQuery(q);
  -            while (iter.hasNext())
  -            {
  -                list.add(iter.next());
  -            }
  -
  -            // BRJ : should return 1 product group
  -            // returns 3 because of implementation of extent aware path expression
  -            //
  -            // SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN Artikel A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  -            // SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN BOOKS A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  -            // SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN CDS A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  -
  -            assertEquals("check size", list.size(), 3);
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  +
  +	}
  +
  +	/**
  +	 * test Subquery
  +	 * get all articles with price > avg(price)
  +	 * PROBLEM: avg(price) is NOT extent aware !!
  +	 *
  +	 * test may fail if db does not support sub queries
  +	 */
  +	public void testSubQuery1()
  +	{
  +
  +		ReportQueryByCriteria subQuery;
  +		Criteria subCrit = new Criteria();
  +		Criteria crit = new Criteria();
  +
  +		subQuery = QueryFactory.newReportQuery(Article.class, subCrit);
  +		subQuery.setColumns(new String[]{"avg(price)"});
  +
  +		crit.addGreaterOrEqualThan("price", subQuery);
  +		Query q = QueryFactory.newQuery(Article.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * test Like Criteria
  +	 */
  +	public void testLikeCriteria()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addLike("firstname", "%o%");
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * test Null Criteria
  +	 */
  +	public void testNullCriteria()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addIsNull("firstname");
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() == 0);
  +
  +	}
  +
  +	/**
  +	 * test Between Criteria
  +	 */
  +	public void testBetweenCriteria()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addBetween("id", new Integer(1), new Integer(5));
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() == 5);
  +
  +	}
  +
  +	/**
  +	 * test In Criteria
  +	 */
  +	public void testInCriteria()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		Collection ids = new Vector();
  +		ids.add(new Integer(1));
  +		ids.add(new Integer(3));
  +		ids.add(new Integer(5));
  +
  +		crit.addIn("id", ids);
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() == 3);
  +
  +	}
  +
  +	/**
  +	 * Single Path Expression
  +	 */
  +	public void testPathExpressions()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("productGroup.groupName", "Liquors");
  +		Query q = QueryFactory.newQuery(Article.class, crit);
  +		//System.out.println(q.toString());
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		//System.out.println(results.toString());
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * Multi Path Expression over decomposed m:n
  +	 */
  +	public void testPathExpressionsMtoNDecomposed()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("roles.project.title", "HSQLDB");
  +		// use decomposed m:n
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +
  +	}
  +
  +	/**
  +	 * Multi Path Expression over nondecomposed m:n
  +	 */
  +	public void testPathExpressionsMtoN()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("projects.title", "HSQLDB"); // direct m:n
  +		Query q = QueryFactory.newQuery(Person.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +
  +	}
  +
  +	/**
  +	 * Simple ReportQuery returning rows with 2 columns of Person
  +	 */
  +	public void testReportQuery()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		Collection results = new Vector();
  +		crit.addLike("firstname", "%o%");
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(Person.class, crit);
  +		q.setColumns(new String[]{"id", "firstname"});
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		assertNotNull(iter);
  +		while (iter.hasNext())
  +		{
  +			results.add(iter.next());
  +		}
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * ReportQuery returning rows with some "Liquor" data ordered by price
  +	 */
  +	public void testReportQueryOrderBy()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		Collection results = new Vector();
  +		crit.addEqualTo("productGroup.groupName", "Liquors");
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(Article.class, crit);
  +		q.setColumns(new String[]{"articleId", "articleName", "price"});
  +		crit.addOrderByAscending("price");
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		assertNotNull(iter);
  +		while (iter.hasNext())
  +		{
  +			results.add(iter.next());
  +		}
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * ReportQuery returning rows with summed stock and price per article group
  +	 */
  +	public void testReportQueryGroupBy()
  +	{
  +
  +		Criteria crit = new Criteria();
  +		Collection results = new Vector();
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroup.class, crit);
  +		q.setColumns(
  +				new String[]{"groupName", "sum(allArticlesInGroup.stock)", "sum(allArticlesInGroup.price)"});
  +		crit.addGroupBy("groupName");
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		assertNotNull(iter);
  +		while (iter.hasNext())
  +		{
  +			results.add(iter.next());
  +		}
  +		assertTrue(results.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * Read a CD and then read the ProductGroup for the CD
  +	 */
  +	public void testInversePathExpression()
  +	{
  +
  +
  +		QueryByCriteria query;
  +		Criteria crit;
  +		CdArticle cd;
  +		ProductGroupProxy pg, cdPg;
  +
  +		crit = new Criteria();
  +		crit.addEqualTo("articleId", new Integer(200));
  +		query = new QueryByCriteria(CdArticle.class, crit);
  +		cd = (CdArticle) broker.getObjectByQuery(query);
  +		cdPg = (ProductGroupProxy) cd.getProductGroup();
  +
  +		crit = new Criteria();
  +		crit.addEqualTo("allArticlesInGroup.articleId", new Integer(cd.getArticleId()));
  +		query = new QueryByCriteria(ProductGroup.class, crit);
  +		query.addPathClass("allArticlesInGroup", CdArticle.class);
  +		pg = (ProductGroupProxy) broker.getObjectByQuery(query);
  +
  +		// this test can only succeed in singlevm mode:
  +		if (!BrokerHelper.isRunningInServerMode())
  +		{
  +			assertTrue("ProductGroups should be the same", cdPg.getRealSubject() == pg.getRealSubject());
  +		}
  +
  +
  +	}
  +
  +	/**
  +	 * prefetch Articles for ProductGroupsWithArray,
  +	 * Does not yet work with Arrays
  +	 */
  +	public void tesXPrefetchedArraySingleKey()
  +	{
  +		fail("Prefetch does not yet work with arrays");
  +
  +		ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroupWithArray.class);
  +		ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  +		Class productGroupProxy = cldProductGroup.getProxyClass();
  +		Class articleProxy = cldArticle.getProxyClass();
  +
  +		//
  +		// use ProductGroup and Articles with disabled Proxy
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClassName(null);
  +		cldArticle.setProxyClassName(null);
  +
  +		Criteria crit = new Criteria();
  +		crit.addLessOrEqualThan("groupId", new Integer(5));
  +		crit.addOrderByDescending("groupId");
  +		crit.addPrefetchedRelationship("allArticlesInGroup");
  +		Query q = QueryFactory.newQuery(ProductGroupWithArray.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +		ProductGroupWithArray pg = (ProductGroupWithArray) results.toArray()[0];
  +		int articleSize = pg.getAllArticles().length;
  +		String articleString = pg.getAllArticles().toString();
  +
  +		//
  +		// use ProductGroupWithArray and Articles with original Proxy settings
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClassName(productGroupProxy.getName());
  +		cldArticle.setProxyClassName(articleProxy.getName());
  +
  +		crit = new Criteria();
  +		crit.addEqualTo("groupId", new Integer(5));
  +		q = QueryFactory.newQuery(ProductGroupWithArray.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		ProductGroupWithArray pg2 = (ProductGroupWithArray) results.toArray()[0];
  +		int articleSize2 = pg2.getAllArticles().length;
  +		String articleString2 = pg2.getAllArticles().toString();
  +
  +		//
  +		// compare prefetched and 'normal' data
  +		//
  +		assertEquals("Check size", articleSize, articleSize2);
  +		assertEquals("Check content", articleString, articleString2);
  +
  +	}
  +
  +	/**
  +	 * prefetch Articles for ProductGroups
  +	 */
  +	public void testPrefetchedCollectionSingleKey()
  +	{
  +		ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroup.class);
  +		ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  +		Class productGroupProxy = cldProductGroup.getProxyClass();
  +		Class articleProxy = cldArticle.getProxyClass();
  +
  +		//
  +		// use ProductGroup and Articles with disabled Proxy
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClass(null);
  +		cldProductGroup.setProxyClassName(null);
  +		cldArticle.setProxyClass(null);
  +		cldArticle.setProxyClassName(null);
  +		broker.setClassDescriptor(cldProductGroup);
  +		broker.setClassDescriptor(cldArticle);
  +
  +		Criteria crit = new Criteria();
  +		crit.addLessOrEqualThan("groupId", new Integer(5));
  +		crit.addOrderByDescending("groupId");
  +		crit.addPrefetchedRelationship("allArticlesInGroup");
  +		Query q = QueryFactory.newQuery(ProductGroup.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertTrue(results.size() > 0);
  +		InterfaceProductGroup pg = (InterfaceProductGroup) results.toArray()[0];
  +		int articleSize = pg.getAllArticles().size();
  +		String articleString = pg.getAllArticles().toString();
  +
  +		//
  +		// use ProductGroup and Articles with original Proxy settings
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClass(productGroupProxy);
  +		cldProductGroup.setProxyClassName(productGroupProxy.getName());
  +		cldArticle.setProxyClass(articleProxy);
  +		cldArticle.setProxyClassName(articleProxy.getName());
  +		broker.setClassDescriptor(cldProductGroup);
  +		broker.setClassDescriptor(cldArticle);
  +
  +
  +		crit = new Criteria();
  +		crit.addEqualTo("groupId", new Integer(5));
  +		q = QueryFactory.newQuery(ProductGroup.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		InterfaceProductGroup pg2 = (InterfaceProductGroup) results.toArray()[0];
  +		int articleSize2 = pg2.getAllArticles().size();
  +		String articleString2 = pg2.getAllArticles().toString();
  +
  +		//
  +		// compare prefetched and 'normal' data
  +		//
  +		assertEquals("Check size", articleSize, articleSize2);
  +		assertEquals("Check content", articleString, articleString2);
  +	}
  +
  +	/**
  +	 * Test nested joins using pathExpressions
  +	 */
  +	public void testNestedJoins()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +		Criteria crit = new Criteria();
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(Person.class, crit, true);
  +
  +		q.setColumns(new String[]{"roles.roleName", "roles.project.title", "firstname", });
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		assertTrue(list.size() > 0);
  +	}
  +
  +	/**
  +	 * Test multiple non nested joins using pathExpressions
  +	 */
  +	public void testMultipleJoins()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +		Criteria crit = new Criteria();
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(Role.class, crit, true);
  +
  +		q.setColumns(new String[]{"roleName", "project.title", "person.firstname", });
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		assertTrue(list.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * Test nested joins using pathExpressions
  +	 * *** Fails under hsqldb because of join using multiple keys ***
  +	 */
  +	public void tesXNestedJoins2()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +		Criteria crit = new Criteria();
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(Task.class, crit);
  +
  +		q.setColumns(new String[]{"role.roleName", "role.project.title", "role.person.firstname", });
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		assertTrue(list.size() > 0);
  +
  +	}
  +
  +	/**
  +	 * prefetch ProductGroups for Articles
  +	 */
  +	public void testPrefetchedReferencesSingleKey()
  +	{
  +		ClassDescriptor cldProductGroup = broker.getClassDescriptor(ProductGroup.class);
  +		ClassDescriptor cldArticle = broker.getClassDescriptor(Article.class);
  +		Class productGroupProxy = cldProductGroup.getProxyClass();
  +		Class articleProxy = cldArticle.getProxyClass();
  +
  +		//
  +		// use ProductGroup and Articles with disabled Proxy
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClass(null);
  +		cldProductGroup.setProxyClassName(null);
  +		cldArticle.setProxyClass(null);
  +		cldArticle.setProxyClassName(null);
  +		broker.setClassDescriptor(cldProductGroup);
  +		broker.setClassDescriptor(cldArticle);
  +
  +		Criteria crit = new Criteria();
  +		crit.addNotNull("productGroupId");
  +		crit.addLessOrEqualThan("productGroupId", new Integer(5));
  +		crit.addOrderByDescending("productGroupId");
  +		crit.addPrefetchedRelationship("productGroup");
  +		Query q = QueryFactory.newQuery(Article.class, crit);
  +
  +		Collection results = broker.getCollectionByQuery(q);
  +		Set pgs = new HashSet();
  +		Iterator iter = results.iterator();
  +		while (iter.hasNext())
  +		{
  +			InterfaceArticle a = (InterfaceArticle) iter.next();
  +			pgs.add(a.getProductGroup().getName());
  +		}
  +
  +		assertTrue(pgs.size() > 0);
  +		String pgsString = pgs.toString();
  +
  +		//
  +		// use ProductGroup and Articles with original Proxy settings
  +		//
  +		broker.clearCache();
  +		cldProductGroup.setProxyClass(productGroupProxy);
  +		cldProductGroup.setProxyClassName(productGroupProxy.getName());
  +		cldArticle.setProxyClass(articleProxy);
  +		cldArticle.setProxyClassName(articleProxy.getName());
  +		broker.setClassDescriptor(cldProductGroup);
  +		broker.setClassDescriptor(cldArticle);
  +
  +
  +		crit = new Criteria();
  +		crit.addNotNull("productGroupId");
  +		crit.addLessOrEqualThan("productGroupId", new Integer(5));
  +		crit.addOrderByDescending("productGroupId");
  +		q = QueryFactory.newQuery(Article.class, crit);
  +
  +		results = broker.getCollectionByQuery(q);
  +		Set pgs2 = new HashSet();
  +		iter = results.iterator();
  +		while (iter.hasNext())
  +		{
  +			InterfaceArticle a = (InterfaceArticle) iter.next();
  +			pgs2.add(a.getProductGroup().getName());
  +		}
  +
  +		assertTrue(pgs2.size() > 0);
  +		String pgsString2 = pgs2.toString();
  +
  +		//
  +		// compare prefetched and 'normal' data
  +		//
  +		assertEquals("Check size", pgs.size(), pgs2.size());
  +		assertEquals("Check content", pgsString, pgsString2);
  +
  +	}
  +
  +	/**
  +	 * test PathExpression pointing to abstract class
  +	 * BRJ: throws a NullPointerException
  +	 */
  +	public void tesXPathExpressionAbstract()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("groupId", new Integer(5));
  +
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroupWithAbstractArticles.class, crit, true);
  +		q.setColumns(new String[]{"groupId", "groupName", "allArticlesInGroup.articleId", "allArticlesInGroup.articleName"});
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		// 7 Articles, 2 Books, 3 Cds
  +		//	assertEquals("check size", list.size(), 12);
  +		//
  +		//  BRJ: path expression is not yet extent aware
  +
  +		assertEquals("check size", list.size(), 7);
  +
  +	}
  +
  +	/**
  +	 * Test pathExpression and Extents
  +	 */
  +	public void testReportPathExpressionForExtents()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("groupId", new Integer(5));
  +
  +		ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroup.class, crit, true);
  +		q.setColumns(new String[]{"groupId", "groupName", "allArticlesInGroup.articleId", "allArticlesInGroup.articleName"});
  +
  +		Iterator iter = broker.getReportQueryIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		// 7 Articles, 2 Books, 3 Cds
  +		//	assertEquals("check size", list.size(), 12);
  +		//
  +		//  BRJ: path expression is not yet extent aware for columns
  +
  +		assertEquals("check size", list.size(), 7);
  +
  +	}
  +
  +	/**
  +	 * Test pathExpression and Extents
  +	 */
  +	public void testPathExpressionForExtents()
  +	{
  +		ArrayList list = new java.util.ArrayList();
  +
  +		Criteria crit = new Criteria();
  +		crit.addEqualTo("allArticlesInGroup.productGroupId", new Integer(5));
  +
  +		Query q = QueryFactory.newQuery(ProductGroup.class, crit, true);
  +
  +		Iterator iter = broker.getIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			list.add(iter.next());
  +		}
  +
  +		// BRJ : should return 1 product group
  +		// returns 3 because of implementation of extent aware path expression
  +		//
  +		// SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN Artikel A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  +		// SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN BOOKS A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  +		// SQL: SELECT DISTINCT A0.KategorieName,A0.Kategorie_Nr,A0.Beschreibung FROM Kategorien A0 INNER JOIN CDS A1 ON A0.Kategorie_Nr=A1.Kategorie_Nr WHERE A1.Kategorie_Nr =  ?
  +
  +		assertEquals("check size", list.size(), 3);
  +
  +	}
   
   }
  
  
  
  1.3       +6 -0      jakarta-ojb/src/test/org/apache/ojb/broker/KeyConstraintViolationTest.java
  
  Index: KeyConstraintViolationTest.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ojb/src/test/org/apache/ojb/broker/KeyConstraintViolationTest.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- KeyConstraintViolationTest.java	8 Nov 2002 13:55:47 -0000	1.2
  +++ KeyConstraintViolationTest.java	20 Dec 2002 01:54:58 -0000	1.3
  @@ -20,6 +20,7 @@
   
   	/**
   	 * Insert the method's description here.
  +	 * 
   	 * Creation date: (24.12.2000 00:33:40)
   	 */
   	public KeyConstraintViolationTest(String name)
  @@ -90,6 +91,11 @@
   		catch (KeyConstraintViolatedException t)
   		{
   			// this is a success.
  +		}
  +		catch (Throwable t)
  +		{
  +			System.out.println("CAUGHT");
  +			t.printStackTrace();
   		}
   	}
   }
  
  
  
  1.5       +166 -212  jakarta-ojb/src/test/org/apache/ojb/broker/GraphTest.java
  
  Index: GraphTest.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ojb/src/test/org/apache/ojb/broker/GraphTest.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- GraphTest.java	8 Nov 2002 13:55:47 -0000	1.4
  +++ GraphTest.java	20 Dec 2002 01:54:58 -0000	1.5
  @@ -1,225 +1,179 @@
   package org.apache.ojb.broker;
   
  -import java.util.Collection;
  -import java.util.Iterator;
  -
   import junit.framework.TestCase;
   import org.apache.ojb.broker.query.Criteria;
   import org.apache.ojb.broker.query.Query;
   import org.apache.ojb.broker.query.QueryFactory;
   
  +import java.util.Collection;
  +import java.util.Iterator;
  +
   /**
    * Testing graph structure, which mean two relations between two classes.
    */
   public class GraphTest extends TestCase
   {
  -    public static void main(String[] args)
  -    {
  -        String[] arr = { CLASS.getName()};
  -        junit.textui.TestRunner.main(arr);
  -    }
  -
  -    PersistenceBroker broker;
  -    private static Class CLASS = GraphTest.class;
  -
  -    public GraphTest(String name)
  -    {
  -        super(name);
  -    }
  -
  -    public void setUp()
  -    {
  -        try
  -        {
  -            broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  -        }
  -        catch (PBFactoryException e)
  -        {
  -        }
  -    }
  -
  -    public void tearDown()
  -    {
  -        try
  -        {
  -            broker.clearCache();
  -            broker.close();
  -        }
  -        catch (PersistenceBrokerException e)
  -        {
  -        }
  -    }
  -
  -    private void clearDatabase()
  -    {
  -        Criteria crit = new Criteria();
  -        Query q;
  -        Iterator iter;
  -
  -        q = QueryFactory.newQuery(GraphNode.class, crit);
  -        iter = broker.getIteratorByQuery(q);
  -        while (iter.hasNext())
  -        {
  -            broker.delete(iter.next());
  -        }
  -
  -        q = QueryFactory.newQuery(GraphEdge.class, crit);
  -        iter = broker.getIteratorByQuery(q);
  -        while (iter.hasNext())
  -        {
  -            broker.delete(iter.next());
  -        }
  -
  -    }
  -
  -
  -    public void testCreate()
  -    {
  -        try
  -        {
  -            clearDatabase();    // Clear database before inserting new data
  -
  -            GraphNode a = new GraphNode("A");          
  -            GraphNode b = new GraphNode("B");
  -            GraphNode c = new GraphNode("C");
  -            Identity oid = new Identity(a);
  -            new Identity(b);
  -            new Identity(c);
  -            
  -            GraphEdge aa = new GraphEdge(a, a);
  -            GraphEdge ab = new GraphEdge(a, b);
  -            GraphEdge bc = new GraphEdge(b, c);
  -            GraphEdge ac = new GraphEdge(a, c);
  -            new Identity(aa);
  -            new Identity(ab);
  -            new Identity(bc);
  -            new Identity(ac);
  -            
  -            Point locA = new Point(0, 0);
  -            Point locB = new Point(1, 0);
  -            Point locC = new Point(1, 1);
  -            
  -            new Identity(locA);
  -            new Identity(locB);
  -            new Identity(locC);
  -
  -            broker.store(locA);
  -            broker.store(locB);
  -            broker.store(locC);
  -
  -            a.setLocation(locA);
  -            b.setLocation(locB);
  -            c.setLocation(locC);
  -
  -            broker.store(a);
  -            broker.store(b);
  -            broker.store(c);
  -            
  -            broker.clearCache();
  -            GraphNode retrieved = (GraphNode) broker.getObjectByIdentity(oid);
  -            System.out.println(retrieved);
  -            assertEquals("check graph structure", "A [(A -> A), (A -> B [(B -> C [])]), (A -> C [])]", retrieved.toString());
  -
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    public void testEqualToFieldQuery()
  -    {
  -        Criteria crit;
  -        Query q;
  -        Collection results;
  -
  -        try
  -        {
  -            crit = new Criteria();
  -            crit.addEqualToField("name", "outgoingEdges.sink.name");
  -            q = QueryFactory.newQuery(GraphNode.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            //System.out.println(results);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 1); // only "ab" conforms
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -    
  -    
  -    public void testSingleJoin()
  -    {
  -        Criteria crit;
  -        Query q;
  -        Collection results;
  -
  -        try
  -        {
  -            crit = new Criteria();
  -            crit.addEqualTo("source.name", "A");
  -            q = QueryFactory.newQuery(GraphEdge.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 3); // only "aa", "ac" and "ab" conform
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -
  -    public void testNestedJoin()
  -    {
  -        Criteria crit;
  -        Query q;
  -        Collection results;
  -
  -        try
  -        {
  -            crit = new Criteria();
  -            crit.addGreaterThan("source.location.x", new Integer(0));
  -            crit.addEqualTo("source.location.y", new Integer(0));
  -            q = QueryFactory.newQuery(GraphEdge.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            //System.out.println(results);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 1); // only "bc" conforms
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -    
  -    public void testMultiNonNestedJoin()
  -    {
  -        Criteria crit;
  -        Query q;
  -        Collection results;
  -
  -        try
  -        {
  -            crit = new Criteria();
  -            crit.addEqualTo("source.name", "A");
  -            crit.addEqualTo("sink.name", "B");
  -            q = QueryFactory.newQuery(GraphEdge.class, crit);
  -            results = broker.getCollectionByQuery(q);
  -            //System.out.println(results);
  -            assertNotNull(results);
  -            assertTrue(results.size() == 1); // only "ab" conforms
  -        }
  -        catch (Throwable t)
  -        {
  -            t.printStackTrace();
  -            fail(t.getMessage());
  -        }
  -    }
  -        
  +	public static void main(String[] args)
  +	{
  +		String[] arr = {CLASS.getName()};
  +		junit.textui.TestRunner.main(arr);
  +	}
  +
  +	PersistenceBroker broker;
  +	private static Class CLASS = GraphTest.class;
  +
  +	public GraphTest(String name)
  +	{
  +		super(name);
  +	}
  +
  +	public void setUp()
  +	{
  +		try
  +		{
  +			broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  +		}
  +		catch (PBFactoryException e)
  +		{
  +		}
  +	}
  +
  +	public void tearDown()
  +	{
  +		try
  +		{
  +			broker.clearCache();
  +			broker.close();
  +		}
  +		catch (PersistenceBrokerException e)
  +		{
  +		}
  +	}
  +
  +	private void clearDatabase()
  +	{
  +		Criteria crit = new Criteria();
  +		Query q;
  +		Iterator iter;
  +
  +		q = QueryFactory.newQuery(GraphNode.class, crit);
  +		iter = broker.getIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			broker.delete(iter.next());
  +		}
  +
  +		q = QueryFactory.newQuery(GraphEdge.class, crit);
  +		iter = broker.getIteratorByQuery(q);
  +		while (iter.hasNext())
  +		{
  +			broker.delete(iter.next());
  +		}
  +
  +	}
  +
  +
  +	public void testCreate()
  +	{
  +		clearDatabase();    // Clear database before inserting new data
  +
  +		GraphNode a = new GraphNode("A");
  +		GraphNode b = new GraphNode("B");
  +		GraphNode c = new GraphNode("C");
  +		Identity oid = new Identity(a);
  +		new Identity(b);
  +		new Identity(c);
  +
  +		GraphEdge aa = new GraphEdge(a, a);
  +		GraphEdge ab = new GraphEdge(a, b);
  +		GraphEdge bc = new GraphEdge(b, c);
  +		GraphEdge ac = new GraphEdge(a, c);
  +		new Identity(aa);
  +		new Identity(ab);
  +		new Identity(bc);
  +		new Identity(ac);
  +
  +		Point locA = new Point(0, 0);
  +		Point locB = new Point(1, 0);
  +		Point locC = new Point(1, 1);
  +
  +		new Identity(locA);
  +		new Identity(locB);
  +		new Identity(locC);
  +
  +		broker.store(locA);
  +		broker.store(locB);
  +		broker.store(locC);
  +
  +		a.setLocation(locA);
  +		b.setLocation(locB);
  +		c.setLocation(locC);
  +
  +		broker.store(a);
  +		broker.store(b);
  +		broker.store(c);
  +
  +		broker.clearCache();
  +		GraphNode retrieved = (GraphNode) broker.getObjectByIdentity(oid);
  +		assertEquals("check graph structure", "A [(A -> A), (A -> B [(B -> C [])]), (A -> C [])]", retrieved.toString());
  +	}
  +
  +	public void testEqualToFieldQuery()
  +	{
  +		Criteria crit;
  +		Query q;
  +		Collection results;
  +
  +		crit = new Criteria();
  +		crit.addEqualToField("name", "outgoingEdges.sink.name");
  +		q = QueryFactory.newQuery(GraphNode.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		//System.out.println(results);
  +		assertNotNull(results);
  +		assertEquals(results.size(), 1); // only "bc" conforms
  +
  +	}
  +
  +
  +	public void testSingleJoin()
  +	{
  +		Criteria crit;
  +		Query q;
  +		Collection results;
  +		crit = new Criteria();
  +		crit.addEqualTo("source.name", "A");
  +		q = QueryFactory.newQuery(GraphEdge.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertEquals(results.size(), 3); // only "bc" conforms
  +	}
  +
  +	public void testNestedJoin()
  +	{
  +		Criteria crit;
  +		Query q;
  +		Collection results;
  +		crit = new Criteria();
  +		crit.addGreaterThan("source.location.x", new Integer(0));
  +		crit.addEqualTo("source.location.y", new Integer(0));
  +		q = QueryFactory.newQuery(GraphEdge.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertEquals(results.size(), 1); // only "bc" conforms
  +	}
  +
  +	public void testMultiNonNestedJoin()
  +	{
  +		Criteria crit;
  +		Query q;
  +		Collection results;
  +		crit = new Criteria();
  +		crit.addEqualTo("source.name", "A");
  +		crit.addEqualTo("sink.name", "B");
  +		q = QueryFactory.newQuery(GraphEdge.class, crit);
  +		results = broker.getCollectionByQuery(q);
  +		assertNotNull(results);
  +		assertEquals(results.size(), 1); // only "bc" conforms
  +	}
  +
   }
  
  
  
  1.9       +4 -1      jakarta-ojb/src/test/org/apache/ojb/odmg/ODMGRollbackTest.java
  
  Index: ODMGRollbackTest.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ojb/src/test/org/apache/ojb/odmg/ODMGRollbackTest.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -r1.8 -r1.9
  --- ODMGRollbackTest.java	5 Oct 2002 03:17:17 -0000	1.8
  +++ ODMGRollbackTest.java	20 Dec 2002 01:54:59 -0000	1.9
  @@ -59,12 +59,13 @@
           Implementation ojb = OJB.getInstance();
           Database db = ojb.newDatabase();
           db.open(databaseName, Database.OPEN_READ_WRITE);
  +		Transaction tx = ojb.newTransaction();
           try
           {
               int odmgZoosBefore = getDBObjectCountWithNewPB(ODMGZoo.class);
               int projectsBefore = getDBObjectCountWithNewPB(Project.class);
   
  -            Transaction tx = ojb.newTransaction();
  +            
               tx.begin();
               //store some objects
               storeObjects(tx, getNewODMGZoos(5));
  @@ -129,6 +130,8 @@
           }
           finally
           {
  +        	if (tx.isOpen())
  +        		tx.abort();
               db.close();
           }
       }
  
  
  

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