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BAEL-7460: Hibernate: Refresh, Evict, Replicate and Flush 

Created test cases for refresh() and replicate() Hibernate methods & Fixed indentation
This commit is contained in:
Zeeshan Arif 2024-03-17 18:58:50 +05:00
parent d58345c913
commit 9bc0f1a4c2
2 changed files with 164 additions and 74 deletions
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233
persistence-modules/hibernate-enterprise/src/test/java/com/baeldung/persistence/save/SaveMethodsIntegrationTest.java
View File

@ -9,7 +9,9 @@ import static org.junit.Assert.assertSame;
import jakarta.persistence.PersistenceException;
import org.h2.tools.RunScript;
import org.hibernate.HibernateException;
import org.hibernate.ReplicationMode;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
@ -24,35 +26,58 @@ import org.junit.Test;
import com.baeldung.persistence.model.Person;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.sql.Connection;
import java.sql.DriverManager;
/**
* Testing specific implementation details for different methods:
* persist, save, merge, update, saveOrUpdate.
* persist, save, merge, update, saveOrUpdate, refresh, replicate
*/
public class SaveMethodsIntegrationTest {
private static SessionFactory sessionFactory;
private static SessionFactory sessionFactory1;
private Session session;
private static SessionFactory sessionFactory2;
private Session session1;
private Session session2;
private boolean doNotCommit = false;
@BeforeClass
public static void beforeTests() {
private static SessionFactory createSessionFactoryAndInitializeDBs(String dbUrl) throws Exception {
Configuration configuration = new Configuration().addAnnotatedClass(Person.class)
.setProperty("hibernate.dialect", HSQLDialect.class.getName())
.setProperty("hibernate.connection.driver_class", org.hsqldb.jdbcDriver.class.getName())
.setProperty("hibernate.connection.url", "jdbc:hsqldb:mem:test")
.setProperty("hibernate.connection.username", "sa")
.setProperty("hibernate.connection.password", "")
.setProperty("hibernate.hbm2ddl.auto", "update");
.setProperty("hibernate.dialect", HSQLDialect.class.getName())
.setProperty("hibernate.connection.driver_class", org.hsqldb.jdbcDriver.class.getName())
.setProperty("hibernate.connection.url", dbUrl)
.setProperty("hibernate.connection.username", "sa")
.setProperty("hibernate.connection.password", "")
.setProperty("hibernate.hbm2ddl.auto", "update");
Connection connection = DriverManager.getConnection(dbUrl, "sa", "");
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties())
.build();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
.build();
SessionFactory sf = configuration.buildSessionFactory(serviceRegistry);
try (InputStream h2InitStream = Thread.currentThread().getContextClassLoader().getResourceAsStream("h2-trigger.sql")) {
assert h2InitStream != null;
try (InputStreamReader h2InitReader = new InputStreamReader(h2InitStream)) {
RunScript.execute(connection, h2InitReader);
}
}
return sf;
}
@BeforeClass
public static void beforeTests() throws Exception{
sessionFactory1 = createSessionFactoryAndInitializeDBs("jdbc:hsqldb:mem:test");
sessionFactory2 = createSessionFactoryAndInitializeDBs("jdbc:hsqldb:mem:test2");
}
@Before
public void setUp() {
session = sessionFactory.openSession();
session.beginTransaction();
public void setUp() throws Exception {
session1 = sessionFactory1.openSession();
session1.beginTransaction();
doNotCommit = false;
}
@ -61,16 +86,16 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.persist(person);
session1.persist(person);
session.getTransaction()
.commit();
session.close();
session1.getTransaction()
.commit();
session1.close();
session = sessionFactory.openSession();
session.beginTransaction();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
assertNotNull(session.get(Person.class, person.getId()));
assertNotNull(session1.get(Person.class, person.getId()));
}
@ -80,10 +105,10 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.persist(person);
session1.persist(person);
Long id1 = person.getId();
session.persist(person);
session1.persist(person);
Long id2 = person.getId();
assertEquals(id1, id2);
@ -93,13 +118,13 @@ public class SaveMethodsIntegrationTest {
public void whenPersistDetached_thenThrowsException() {
doNotCommit = true;
Person person = new Person();
person.setName("John");
session.persist(person);
session.evict(person);
session.persist(person);
session1.persist(person);
session1.evict(person);
session1.persist(person);
}
@Test
@ -107,12 +132,12 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session.flush();
session.evict(person);
session1.save(person);
session1.flush();
session1.evict(person);
person.setName("Mary");
Person mergedPerson = (Person) session.merge(person);
Person mergedPerson = (Person) session1.merge(person);
assertNotSame(person, mergedPerson);
assertEquals("Mary", mergedPerson.getName());
@ -127,20 +152,20 @@ public class SaveMethodsIntegrationTest {
assertNull(person.getId());
Long id = (Long) session.save(person);
Long id = (Long) session1.save(person);
assertNotNull(id);
session.getTransaction()
.commit();
session.close();
session1.getTransaction()
.commit();
session1.close();
assertEquals(id, person.getId());
session = sessionFactory.openSession();
session.beginTransaction();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
assertNotNull(session.get(Person.class, person.getId()));
assertNotNull(session1.get(Person.class, person.getId()));
}
@ -149,8 +174,8 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
Long id1 = (Long) session.save(person);
Long id2 = (Long) session.save(person);
Long id1 = (Long) session1.save(person);
Long id2 = (Long) session1.save(person);
assertEquals(id1, id2);
}
@ -160,10 +185,10 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
Long id1 = (Long) session.save(person);
session.evict(person);
Long id1 = (Long) session1.save(person);
session1.evict(person);
Long id2 = (Long) session.save(person);
Long id2 = (Long) session1.save(person);
assertNotEquals(id1, id2);
}
@ -173,11 +198,11 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
Person mergedPerson = (Person) session.merge(person);
Person mergedPerson = (Person) session1.merge(person);
session.getTransaction()
.commit();
session.beginTransaction();
session1.getTransaction()
.commit();
session1.beginTransaction();
assertNotNull(person.getId());
assertNotNull(mergedPerson.getId());
@ -189,9 +214,9 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session1.save(person);
Person mergedPerson = (Person) session.merge(person);
Person mergedPerson = (Person) session1.merge(person);
assertSame(person, mergedPerson);
@ -202,11 +227,11 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session.evict(person);
session1.save(person);
session1.evict(person);
person.setName("Mary");
session.update(person);
session1.update(person);
assertEquals("Mary", person.getName());
}
@ -216,7 +241,7 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.update(person);
session1.update(person);
}
@ -225,9 +250,9 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session1.save(person);
session.update(person);
session1.update(person);
}
@ -236,11 +261,11 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session.evict(person);
session1.save(person);
session1.evict(person);
person.setName("Mary");
session.saveOrUpdate(person);
session1.saveOrUpdate(person);
assertEquals("Mary", person.getName());
}
@ -250,16 +275,75 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.saveOrUpdate(person);
session1.saveOrUpdate(person);
session.getTransaction()
.commit();
session.close();
session1.getTransaction()
.commit();
session1.close();
session = sessionFactory.openSession();
session.beginTransaction();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
assertNotNull(session.get(Person.class, person.getId()));
assertNotNull(session1.get(Person.class, person.getId()));
}
@Test
public void whenSaveAndTriggerUpdatedAndRefresh_thenRefreshPersistentEntity() {
Person person = new Person();
person.setName("Zeeshan Arif");
session1.persist(person);
session1.getTransaction()
.commit();
session1.close();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
session1.refresh(person);
session1.getTransaction()
.commit();
session1.close();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
assertEquals(person.getName(), "Neymar Santos");
}
@Test
public void whenReplicate_thenRefreshPersistentEntity() {
Person p = new Person();
p.setName("Ronaldinho Gaucho");
session1.persist(p);
session1.getTransaction()
.commit();
session1.close();
Session session2 = sessionFactory2.openSession();
session2.beginTransaction();
session2.replicate(p, ReplicationMode.LATEST_VERSION);
session2.getTransaction()
.commit();
session2.close();
session2 = sessionFactory2.openSession();
session2.beginTransaction();
Person actual = session2.get(Person.class, p.getId());
session2.getTransaction().commit();
session2.close();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
Person expected = session1.get(Person.class, p.getId());
session1.getTransaction().commit();
session1.close();
session1 = sessionFactory1.openSession();
session1.beginTransaction();
assertEquals(expected.getId(), actual.getId());
assertEquals(expected.getName(), actual.getName());
}
@ -268,24 +352,25 @@ public class SaveMethodsIntegrationTest {
Person person = new Person();
person.setName("John");
session.save(person);
session1.save(person);
session.saveOrUpdate(person);
session1.saveOrUpdate(person);
}
@After
public void tearDown() {
if (!doNotCommit) {
session.getTransaction()
.commit();
session1.getTransaction()
.commit();
}
session.close();
session1.close();
}
@AfterClass
public static void afterTests() {
sessionFactory.close();
sessionFactory1.close();
sessionFactory2.close();
}
}

5
persistence-modules/hibernate-enterprise/src/test/resources/h2-trigger.sql Normal file
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@ -0,0 +1,5 @@
CREATE TRIGGER IF NOT EXISTS TGR_UpdatePersonName AFTER INSERT
ON Person FOR EACH ROW UPDATE PERSON SET NAME = 'Neymar Santos' where NAME = 'Zeeshan Arif'