Testing IdentityService. Is @Rollback possible?

ollib — Tue, 04 Feb 2014 09:15:38 GMT

I wrote some JUnit test methods for IdentityService. Is there a way to rollback modifications in the IdentityService tables at the end of a test with @Rollback or @Transaction? In the IdentityTest test class on Github there is a manual cleanup at the end of each test method.Best regardsOliver

Re: Testing IdentityService. Is @Rollback possible?

trademak — Tue, 04 Feb 2014 13:03:08 GMT

Hi Oliver,

Yes, if you use the Spring module of Activiti you can use Spring transaction rollback in your unit tests.

Best regards,

Re: Testing IdentityService. Is @Rollback possible?

ollib — Wed, 05 Feb 2014 12:05:23 GMT

Ok, this seems to work:

<code>
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "file:Test/spring/application-context.xml",
                                  "file:Test/spring/activiti-context.xml"} )
@TransactionConfiguration(transactionManager="transactionManager", defaultRollback=true)
public class IdentityServiceTest {
private static Logger logger = Logger.getLogger(IdentityServiceTest.class.getName());

@Autowired
@Rule
public ActivitiRule activitiSpringRule;

@Autowired
private IdentityService identityService;

@Test
@Transactional
public void groupTest1() {

      identityService.saveGroup(identityService.newGroup("testgruppe"));
      long countGroups = identityService.createGroupQuery().count();
      assertEquals(1, countGroups);
}

@Test
@Transactional
public void groupTest2() {
      identityService.saveGroup(identityService.newGroup("testgruppe"));
      long countGroups = identityService.createGroupQuery().count();
      assertEquals(1, countGroups);
}
}
</code>

But only with this transactionsmanager definition:

<code>
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="datasource"/>
</bean>
</code>

As I want to use JPA entities, I need this kind of transactionmanager:
<code>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>

<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="datasource"/>
        <property name="persistenceXmlLocation" value="classpath:META-INF/persistence.xml"/>
        <property name="persistenceUnitName" value="xxx"/>
</bean>
</code>

With this persistence.xml

<code>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
<persistence-unit name="xxx" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <properties>
        <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
        <property name="hibernate.hbm2ddl.auto" value="create"/>
        <property name="hibernate.show_sql" value="true"/>
    </properties>

    <class>org.olli.mvc.persistence.model.Vacation</class>
</persistence-unit>
</persistence>
</code>

I have some difficulties in finding the right configuration for my transactionmanager. In general, I need a setup where I can handle activiti and my JPA entities in the same transaction.

Best regards
Oliver

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