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Author Message
luiz.filipe.abrahao
 Post subject: Testing DAO layer using Maven + TestNG
PostPosted: Thu Nov 05, 2009 10:08 am 
Newbie

Joined: Tue Jun 23, 2009 7:59 am
Posts: 6
Hi,

I'm trying to test some DAO objects using TestNG, I'm also using Maven. I have implemented a DAO layer as suggested in Java persistence with Hibernate (16.4.2 Writing DAOs with EJBs).

I created a silly test just to get the things going.

POM.xml

Code:
...
   <dependencies>
      <dependency>
         <groupId>com.eukleia.elf</groupId>
         <artifactId>eukleia-entity</artifactId>
         <version>3.0.0</version>
         <scope>compile</scope>
      </dependency>


      <dependency>
         <groupId>javax.persistence</groupId>
         <artifactId>persistence-api</artifactId>
         <version>1.0</version>
      </dependency>
      <dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate</artifactId>
         <version>3.2.6.ga</version>
         <exclusions>
            <exclusion>
               <groupId>javax.transaction</groupId>
               <artifactId>jta</artifactId>
            </exclusion>
         </exclusions>
      </dependency>
      <dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate-entitymanager</artifactId>
         <version>3.4.0.GA</version>
      </dependency>
      <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-simple</artifactId>
         <version>1.4.2</version>
      </dependency>
      <dependency>
         <groupId>c3p0</groupId>
         <artifactId>c3p0</artifactId>
         <version>0.9.1.2</version>
      </dependency>
      <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <version>5.1.6</version>
      </dependency>
   </dependencies>
...


Entity:
Code:
...
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityListeners;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import org.jboss.seam.annotations.Name;

@Entity
@Table(name="COMPANY")
@EntityListeners(com.eukleia.model.entity.common.monitor.CompanyMonitor.class)
@Name("company")
public class Company implements Serializable{
   private static final long serialVersionUID = -7076265969258176592L;
   
   @Id @GeneratedValue
   @Column(name="COMPANY_ID")
   private Long id;
   
   @Column(name="COMPANY_NAME")
   private String name;
   
   @Column(name="COMPANY_FOLDER")
   private String folder;
   
   @Column(name="COMPANY_TRIAL")
   private boolean trial;
   
   @Temporal(TemporalType.DATE)
   @Column(name="COMPANY_EXPIRES")
   private Date expires;
   
   @OneToMany(mappedBy = "company", cascade = {CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REMOVE})
   @org.hibernate.annotations.Cascade(value = org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
   private Set<Division> divisions = new HashSet<Division>();
   
...


The Test:
Code:
...
public class CompanyDAOTest {
   private EntityManagerFactory emf;
   private EntityManager em;
   private CompanyDAO companyDAO;
   
   @BeforeTest
   public void initialise(){
      emf = Persistence.createEntityManagerFactory("eukleia-entity-dao-test");
      em = emf.createEntityManager();
      companyDAO = new CompanyDAOBean();
      companyDAO.setEntityManager(em);
   }
   
   @AfterTest
   public void conclude(){
      if (em != null)
         em.close();
      if (emf != null)
         emf.close();
   }
   
   @Test
   public void loadEukleiaCompanyObject(){
      Company company = companyDAO.findById(new Long(1), true);
      
      if (company != null) {
         System.out.println("Company name:" + company.getName());
         assert true;
      } else {
         assert false;
      }
   }
}
...


When I execute: mvn test I get the follow exception:
Code:
java.lang.IllegalArgumentException: Unknown entity: com.eukleia.model.entity.common.Company
   at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:193)
   at com.eukleia.model.dao.GenericEJB3DAO.findById(GenericEJB3DAO.java:38)
   at com.eukleia.test.entity.common.CompanyDAOTest.loadEukleiaCompanyObject(CompanyDAOTest.java:40)
   at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:62)
   at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:141)
   at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
   at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
   at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
Caused by: org.hibernate.MappingException: Unknown entity: com.eukleia.model.entity.common.Company
   at org.hibernate.impl.SessionFactoryImpl.getEntityPersister(SessionFactoryImpl.java:550)
   at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:68)
   at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)
   at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)
   ... 31 more
... Removed 24 stack frames

Click to hide stack frames

java.lang.IllegalArgumentException: Unknown entity: com.eukleia.model.entity.common.Company
   at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:193)
   at com.eukleia.model.dao.GenericEJB3DAO.findById(GenericEJB3DAO.java:38)
   at com.eukleia.test.entity.common.CompanyDAOTest.loadEukleiaCompanyObject(CompanyDAOTest.java:40)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:609)
   at org.testng.internal.Invoker.invokeMethod(Invoker.java:532)
   at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:686)
   at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1018)
   at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:128)
   at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
   at org.testng.TestRunner.runWorkers(TestRunner.java:759)
   at org.testng.TestRunner.privateRun(TestRunner.java:592)
   at org.testng.TestRunner.run(TestRunner.java:486)
   at org.testng.SuiteRunner.runTest(SuiteRunner.java:332)
   at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:327)
   at org.testng.SuiteRunner.privateRun(SuiteRunner.java:299)
   at org.testng.SuiteRunner.run(SuiteRunner.java:204)
   at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:912)
   at org.testng.TestNG.runSuitesLocally(TestNG.java:876)
   at org.testng.TestNG.run(TestNG.java:784)
   at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:62)
   at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:141)
   at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
   at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
Caused by: org.hibernate.MappingException: Unknown entity: com.eukleia.model.entity.common.Company
   at org.hibernate.impl.SessionFactoryImpl.getEntityPersister(SessionFactoryImpl.java:550)
   at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:68)
   at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)
   at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)
   at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)
   ... 31 more


The entity should be found as it is part of the Maven dependences.

Any thoughts would be appreciated.
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