}
}
public void testVersionMismatch() {
// first create the schema
ProcessEngineImpl processEngine = (ProcessEngineImpl) ProcessEngineConfiguration
.createProcessEngineConfigurationFromResource("org/activiti/standalone/initialization/notables.activiti.cfg.xml")
.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_CREATE_DROP)
.buildProcessEngine();
// then update the version to something that is different to the library
// version
DbSqlSessionFactory dbSqlSessionFactory = (DbSqlSessionFactory) processEngine.getProcessEngineConfiguration().getSessionFactories().get(DbSqlSession.class);
SqlSessionFactory sqlSessionFactory = dbSqlSessionFactory.getSqlSessionFactory();
SqlSession sqlSession = sqlSessionFactory.openSession();
boolean success = false;
try {
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("name", "schema.version");
parameters.put("value", "25.7");
parameters.put("revision", new Integer(1));
parameters.put("newRevision", new Integer(2));
sqlSession.update("updateProperty", parameters);
success = true;
} catch (Exception e) {
throw new ActivitiException("couldn't update db schema version", e);
} finally {
if (success) {
sqlSession.commit();
} else {
sqlSession.rollback();
}
sqlSession.close();
}
try {
// now we can see what happens if when a process engine is being
// build with a version mismatch between library and db tables
ProcessEngineConfiguration
.createProcessEngineConfigurationFromResource("org/activiti/standalone/initialization/notables.activiti.cfg.xml")
.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
.buildProcessEngine();
fail("expected exception");
} catch (ActivitiWrongDbException e) {
assertTextPresent("version mismatch", e.getMessage());
assertEquals("25.7", e.getDbVersion());
assertEquals(ProcessEngine.VERSION, e.getLibraryVersion());
}
// closing the original process engine to drop the db tables
processEngine.close();
}