我试图在分离测试我的DAO层(它是建立在JPA上)。在单元测试中,我使用DbUnit来填充数据库和Spring Test以获取ApplicationContext的实例。使用DbUnit与Spring TestContext的问题
当我尝试使用SpringJunit4ClassRuner时,ApplicationContext被注入,但DbUnit的getDataSet()方法从未被调用过。
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "/testdao.xml")
public class SimpleJPATest extends DBTestCase implements ApplicationContextAware {
...
然后我试图删除@RunWith注释,它删除了getDataSet()方法的问题。但现在我不再注入ApplicationContext实例了。我试图使用@TestExecutionListeners注解,它应该默认配置DependencyInjectionTestExecutionListener,但AppContext仍然不会注入。
@TestExecutionListeners
@ContextConfiguration(locations = "/testdao.xml")
public class SimpleJPATest extends DBTestCase implements ApplicationContextAware {
...
有没有人有任何想法?将这两个框架结合起来通常是一个糟糕的主意吗?
编辑:这里是源测试类的其余部分:
@TestExecutionListeners
@ContextConfiguration(locations = "/testdao.xml")
public class SimpleJPATest extends DBTestCase implements ApplicationContextAware {
static final String TEST_DB_PROPS_FILE = "testDb.properties";
static final String DATASET_FILE = "testDataSet.xml";
static Logger logger = Logger.getLogger(SimpleJPATest.class);
private ApplicationContext ctx;
public SimpleJPATest() throws Exception {
super();
setDBUnitSystemProperties(loadDBProperties());
}
@Test
public void testSimple() {
EntityManagerFactory emf = ctx.getBean("entityManagerFactory", EntityManagerFactory.class);
EntityManager em = emf.createEntityManager();
GenericDAO<Club> clubDAO = new JpaGenericDAO<Club>(ClubEntity.class, "ClubEntity", em);
em.getTransaction().begin();
Collection<Club> allClubs = clubDAO.findAll();
em.getTransaction().commit();
assertEquals(1, allClubs.size());
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.ctx = applicationContext;
}
private void setDBUnitSystemProperties(Properties props) {
System.setProperty(PropertiesBasedJdbcDatabaseTester.DBUNIT_DRIVER_CLASS,
props.getProperty("db.driver"));
System.setProperty(PropertiesBasedJdbcDatabaseTester.DBUNIT_CONNECTION_URL,
props.getProperty("db.url"));
System.setProperty(PropertiesBasedJdbcDatabaseTester.DBUNIT_USERNAME,
props.getProperty("db.username"));
System.setProperty(PropertiesBasedJdbcDatabaseTester.DBUNIT_PASSWORD,
props.getProperty("db.password"));
}
private Properties loadDBProperties() throws Exception {
URL propsFile = ClassLoader.getSystemResource(TEST_DB_PROPS_FILE);
assert (propsFile != null);
Properties props = new Properties();
props.load(propsFile.openStream());
return props;
}
@Override
protected void setUpDatabaseConfig(DatabaseConfig config) {
config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY,
new HsqldbDataTypeFactory());
}
@Override
protected DatabaseOperation getSetUpOperation() throws Exception {
return DatabaseOperation.CLEAN_INSERT;
}
@Override
protected DatabaseOperation getTearDownOperation() throws Exception {
return DatabaseOperation.DELETE_ALL;
}
@Override
protected IDataSet getDataSet() throws Exception {
logger.debug("in getDataSet");
URL dataSet = ClassLoader.getSystemResource(DATASET_FILE);
assert (dataSet != null);
FlatXmlDataSet result = new FlatXmlDataSetBuilder().build(dataSet);
return result;
}
}
DbTestCase方法没有被调用的原因毫无疑问是DbTestCase类使用JUnit 3.8 API的事实,我试图用SpringJUnit4ClassRunner运行。 – prasopes 2010-11-23 18:20:22