Spring-test 的@Rollback 不回滚任何东西
Spring-test's @Rollback doesn't rollback anything
下面的工作代码：
//import everything
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Test2.TestConfiguration.class)
@Transactional
public class Test2 {
@Autowired
private DataSource datasource;
@BeforeTransaction
public void createDatabase() throws SQLException {
DataSourceUtils .getConnection(datasource)
.createStatement()
.execute("CREATE TABLE USERS (id bigint, size bigint, primary key (id))");
}
@Rollback
@Test
public void test() throws SQLException {
DataSourceUtils .getConnection(datasource)
.createStatement()
.execute("INSERT INTO USERS VALUES (5, 5)");
}
@AfterTransaction
public void dropTable() throws SQLException {
ResultSet rs = DataSourceUtils .getConnection(datasource)
.createStatement()
.executeQuery("SELECT * FROM USERS");
boolean isEmpty = !rs.next();
if (isEmpty) {
System.out.println("Rollback succeeded");
} else {
System.out.println("Rollback failed");
}
rs.close();
datasource .getConnection()
.createStatement()
.execute("DROP TABLE USERS");
}
@Configuration
public static class TestConfiguration {
@Bean
public DataSource driverManagerDataSource() {
DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
String dbURI = "database/tests/DerbyDB/db";
String connectionString = "jdbc:derby:" + dbURI;
if (!new File(dbURI).exists()) connectionString += ";create=true";
driverManagerDataSource.setUrl(connectionString);
driverManagerDataSource.setDriverClassName("org.apache.derby.jdbc.EmbeddedDriver");
return driverManagerDataSource;
}
@Bean
public PlatformTransactionManager platformTransactionManager() {
PlatformTransactionManager ptm = new DataSourceTransactionManager(driverManagerDataSource());
return ptm;
}
}
}
已解决的问题：
我想在每次测试后使用 @Rollback 注释回滚数据库状态。不幸的是，它不起作用。
这是我的测试class:
//import everything
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Test2.TestConfiguration.class)
@Transactional
public class Test2 {
@Autowired
private DataSource datasource;
@BeforeTransaction
public void createTable() throws SQLException {
datasource .getConnection()
.createStatement()
.execute("CREATE TABLE USERS (id bigint, size bigint, primary key (id))");
}
@Rollback
@Test
public void test() throws SQLException {
datasource .getConnection()
.createStatement()
.execute("INSERT INTO USERS VALUES (5, 5)");
}
@AfterTransaction
public void dropTable() throws SQLException {
ResultSet rs = datasource .getConnection()
.createStatement()
.executeQuery("SELECT * FROM USERS");
boolean isEmpty = !rs.next();
if (isEmpty) {
System.out.println("Rollback succeeded");
} else {
System.out.println("Rollback failed");
}
rs.close();
datasource .getConnection()
.createStatement()
.execute("DROP TABLE USERS");
}
@Configuration
public static class TestConfiguration {
@Bean
public DataSource driverManagerDataSource() {
DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
String dbURI = "database/tests/DerbyDB/db";
String connectionString = "jdbc:derby:" + dbURI;
if (!new File(dbURI).exists()) connectionString += ";create=true";
driverManagerDataSource.setUrl(connectionString);
driverManagerDataSource.setDriverClassName("org.apache.derby.jdbc.EmbeddedDriver");
return driverManagerDataSource;
}
@Bean
public PlatformTransactionManager platformTransactionManager() {
PlatformTransactionManager ptm = new DataSourceTransactionManager(driverManagerDataSource());
return ptm;
}
}
}
Spring 声称它回滚了数据库，这不是真的，因为记录仍然存在。
我如何让它发挥作用？
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext startTransaction
INFO: Began transaction (1) for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]]; transaction manager [org.springframework.jdbc.datasource.DataSourceTransactionManager@3bf9ce3e]; rollback [true]
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext endTransaction
INFO: Rolled back transaction for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]].
Rollback failed
gru 01, 2016 12:26:14 PM org.springframework.context.support.GenericApplicationContext doClose
INFO: Closing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
完整日志如下：
gru 01, 2016 12:26:12 PM org.springframework.test.context.support.DefaultTestContextBootstrapper getDefaultTestExecutionListenerClassNames
INFO: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
gru 01, 2016 12:26:12 PM org.springframework.test.context.support.DefaultTestContextBootstrapper getTestExecutionListeners
INFO: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@69d9c55, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@13a57a3b, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@7ca48474, org.springframework.test.context.support.DirtiesContextTestExecutionListener@337d0578, org.springframework.test.context.transaction.TransactionalTestExecutionListener@59e84876, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@61a485d2]
gru 01, 2016 12:26:12 PM org.springframework.context.support.GenericApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
gru 01, 2016 12:26:13 PM org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor <init>
INFO: JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
gru 01, 2016 12:26:13 PM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName
INFO: Loaded JDBC driver: org.apache.derby.jdbc.EmbeddedDriver
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext startTransaction
INFO: Began transaction (1) for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]]; transaction manager [org.springframework.jdbc.datasource.DataSourceTransactionManager@3bf9ce3e]; rollback [true]
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext endTransaction
INFO: Rolled back transaction for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]].
Rollback failed
gru 01, 2016 12:26:14 PM org.springframework.context.support.GenericApplicationContext doClose
INFO: Closing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
据我了解，您正在您的测试方法中手动创建一个新的、独立的 Spring 上下文，它在初始化期间创建 table.
由于该上下文使用自己的事务管理器和数据源，因此它不会受到 @Rollback 注释的影响 - 该注释是在（隐式）spring 上下文定义的上下文中处理的对于整个测试 class.
另请注意，在某些数据库中，您无法回滚 CREATE 命令（但不确定 Derby）。
更新
另一个问题是，当您通过 datasource.getConnection() 获得连接时，您实际上并没有使用事务管理器。
来自 DataSourceTransactionManager 文档：
Application code is required to retrieve the JDBC Connection via DataSourceUtils.getConnection(DataSource) instead of a standard Java EE-style DataSource.getConnection() call. Spring classes such as JdbcTemplate use this strategy implicitly.
我认为 printTableName() 方法中的这一行 con.close(); 导致了问题。
关闭连接时提交事务。
最好使用entitymanager或spring data jpa repository来处理交易。
下面的工作代码：
//import everything
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Test2.TestConfiguration.class)
@Transactional
public class Test2 {
@Autowired
private DataSource datasource;
@BeforeTransaction
public void createDatabase() throws SQLException {
DataSourceUtils .getConnection(datasource)
.createStatement()
.execute("CREATE TABLE USERS (id bigint, size bigint, primary key (id))");
}
@Rollback
@Test
public void test() throws SQLException {
DataSourceUtils .getConnection(datasource)
.createStatement()
.execute("INSERT INTO USERS VALUES (5, 5)");
}
@AfterTransaction
public void dropTable() throws SQLException {
ResultSet rs = DataSourceUtils .getConnection(datasource)
.createStatement()
.executeQuery("SELECT * FROM USERS");
boolean isEmpty = !rs.next();
if (isEmpty) {
System.out.println("Rollback succeeded");
} else {
System.out.println("Rollback failed");
}
rs.close();
datasource .getConnection()
.createStatement()
.execute("DROP TABLE USERS");
}
@Configuration
public static class TestConfiguration {
@Bean
public DataSource driverManagerDataSource() {
DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
String dbURI = "database/tests/DerbyDB/db";
String connectionString = "jdbc:derby:" + dbURI;
if (!new File(dbURI).exists()) connectionString += ";create=true";
driverManagerDataSource.setUrl(connectionString);
driverManagerDataSource.setDriverClassName("org.apache.derby.jdbc.EmbeddedDriver");
return driverManagerDataSource;
}
@Bean
public PlatformTransactionManager platformTransactionManager() {
PlatformTransactionManager ptm = new DataSourceTransactionManager(driverManagerDataSource());
return ptm;
}
}
}
已解决的问题： 我想在每次测试后使用 @Rollback 注释回滚数据库状态。不幸的是，它不起作用。
这是我的测试class:
//import everything
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Test2.TestConfiguration.class)
@Transactional
public class Test2 {
@Autowired
private DataSource datasource;
@BeforeTransaction
public void createTable() throws SQLException {
datasource .getConnection()
.createStatement()
.execute("CREATE TABLE USERS (id bigint, size bigint, primary key (id))");
}
@Rollback
@Test
public void test() throws SQLException {
datasource .getConnection()
.createStatement()
.execute("INSERT INTO USERS VALUES (5, 5)");
}
@AfterTransaction
public void dropTable() throws SQLException {
ResultSet rs = datasource .getConnection()
.createStatement()
.executeQuery("SELECT * FROM USERS");
boolean isEmpty = !rs.next();
if (isEmpty) {
System.out.println("Rollback succeeded");
} else {
System.out.println("Rollback failed");
}
rs.close();
datasource .getConnection()
.createStatement()
.execute("DROP TABLE USERS");
}
@Configuration
public static class TestConfiguration {
@Bean
public DataSource driverManagerDataSource() {
DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
String dbURI = "database/tests/DerbyDB/db";
String connectionString = "jdbc:derby:" + dbURI;
if (!new File(dbURI).exists()) connectionString += ";create=true";
driverManagerDataSource.setUrl(connectionString);
driverManagerDataSource.setDriverClassName("org.apache.derby.jdbc.EmbeddedDriver");
return driverManagerDataSource;
}
@Bean
public PlatformTransactionManager platformTransactionManager() {
PlatformTransactionManager ptm = new DataSourceTransactionManager(driverManagerDataSource());
return ptm;
}
}
}
Spring 声称它回滚了数据库，这不是真的，因为记录仍然存在。
我如何让它发挥作用？
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext startTransaction
INFO: Began transaction (1) for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]]; transaction manager [org.springframework.jdbc.datasource.DataSourceTransactionManager@3bf9ce3e]; rollback [true]
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext endTransaction
INFO: Rolled back transaction for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]].
Rollback failed
gru 01, 2016 12:26:14 PM org.springframework.context.support.GenericApplicationContext doClose
INFO: Closing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
完整日志如下：
gru 01, 2016 12:26:12 PM org.springframework.test.context.support.DefaultTestContextBootstrapper getDefaultTestExecutionListenerClassNames
INFO: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
gru 01, 2016 12:26:12 PM org.springframework.test.context.support.DefaultTestContextBootstrapper getTestExecutionListeners
INFO: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@69d9c55, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@13a57a3b, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@7ca48474, org.springframework.test.context.support.DirtiesContextTestExecutionListener@337d0578, org.springframework.test.context.transaction.TransactionalTestExecutionListener@59e84876, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@61a485d2]
gru 01, 2016 12:26:12 PM org.springframework.context.support.GenericApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
gru 01, 2016 12:26:13 PM org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor <init>
INFO: JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
gru 01, 2016 12:26:13 PM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName
INFO: Loaded JDBC driver: org.apache.derby.jdbc.EmbeddedDriver
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext startTransaction
INFO: Began transaction (1) for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]]; transaction manager [org.springframework.jdbc.datasource.DataSourceTransactionManager@3bf9ce3e]; rollback [true]
gru 01, 2016 12:26:14 PM org.springframework.test.context.transaction.TransactionContext endTransaction
INFO: Rolled back transaction for test context [DefaultTestContext@457c9034 testClass = Test2, testInstance = tyvrel.tastas.persistence.Test2@345f69f3, testMethod = test@Test2, testException = [null], mergedContextConfiguration = [MergedContextConfiguration@e15b7e8 testClass = Test2, locations = '{}', classes = '{class tyvrel.tastas.persistence.Test2$TestConfiguration}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{}', contextCustomizers = set[[empty]], contextLoader = 'org.springframework.test.context.support.DelegatingSmartContextLoader', parent = [null]]].
Rollback failed
gru 01, 2016 12:26:14 PM org.springframework.context.support.GenericApplicationContext doClose
INFO: Closing org.springframework.context.support.GenericApplicationContext@ae45eb6: startup date [Thu Dec 01 12:26:12 CET 2016]; root of context hierarchy
据我了解，您正在您的测试方法中手动创建一个新的、独立的 Spring 上下文，它在初始化期间创建 table.
由于该上下文使用自己的事务管理器和数据源，因此它不会受到 @Rollback 注释的影响 - 该注释是在（隐式）spring 上下文定义的上下文中处理的对于整个测试 class.
另请注意，在某些数据库中，您无法回滚 CREATE 命令（但不确定 Derby）。
更新
另一个问题是，当您通过 datasource.getConnection() 获得连接时，您实际上并没有使用事务管理器。
来自 DataSourceTransactionManager 文档：
Application code is required to retrieve the JDBC Connection via
DataSourceUtils.getConnection(DataSource)instead of a standard Java EE-styleDataSource.getConnection()call. Spring classes such asJdbcTemplateuse this strategy implicitly.
我认为 printTableName() 方法中的这一行 con.close(); 导致了问题。
关闭连接时提交事务。
最好使用entitymanager或spring data jpa repository来处理交易。