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package org.apache.cayenne.remote;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.remote.service.LocalConnection;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.ClientMtTable2;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
/**
* This is a test primarily for CAY-1103
*/
@UseServerRuntime(CayenneProjects.MULTI_TIER_PROJECT)
@RunWith(value=Parameterized.class)
public class RemoteRollbackIT extends RemoteCayenneCase {
@Parameters
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][]{
{LocalConnection.HESSIAN_SERIALIZATION},
{LocalConnection.JAVA_SERIALIZATION},
{LocalConnection.NO_SERIALIZATION},
});
}
public RemoteRollbackIT(int serializationPolicy) {
super.serializationPolicy = serializationPolicy;
}
@Test
public void testRollbackNew() {
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1("a");
ClientMtTable2 p1 = clientContext.newObject(ClientMtTable2.class);
p1.setGlobalAttribute("p1");
p1.setTable1(o1);
ClientMtTable2 p2 = clientContext.newObject(ClientMtTable2.class);
p2.setGlobalAttribute("p2");
p2.setTable1(o1);
ClientMtTable2 p3 = clientContext.newObject(ClientMtTable2.class);
p3.setGlobalAttribute("p3");
p3.setTable1(o1);
// before:
assertEquals(o1, p1.getTable1());
assertEquals(3, o1.getTable2Array().size());
clientContext.rollbackChanges();
// after:
assertEquals(PersistenceState.TRANSIENT, o1.getPersistenceState());
// TODO: should we expect relationships to be unset?
// assertNull(p1.getToClientMtTable1());
// assertEquals(0, o1.getClientMtTable2Array().size());
}
@Test
public void testRollbackNewObject() {
String o1Name = "revertTestClientMtTable1";
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1(o1Name);
clientContext.rollbackChanges();
assertEquals(PersistenceState.TRANSIENT, o1.getPersistenceState());
clientContext.commitChanges();
}
// Catches a bug where new objects were unregistered within an object iterator, thus
// modifying the
// collection the iterator was iterating over (ConcurrentModificationException)
@Test
public void testRollbackWithMultipleNewObjects() {
String o1Name = "rollbackTestClientMtTable1";
String o2Title = "rollbackTestClientMtTable2";
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1(o1Name);
ClientMtTable2 o2 = clientContext.newObject(ClientMtTable2.class);
o2.setGlobalAttribute(o2Title);
o2.setTable1(o1);
try {
clientContext.rollbackChanges();
}
catch (Exception e) {
e.printStackTrace();
fail("rollbackChanges should not have caused the exception " + e.getMessage());
}
assertEquals(PersistenceState.TRANSIENT, o1.getPersistenceState());
}
@Test
public void testRollbackRelationshipModification() {
String o1Name = "relationshipModClientMtTable1";
String o2Title = "relationshipTestClientMtTable2";
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1(o1Name);
ClientMtTable2 o2 = clientContext.newObject(ClientMtTable2.class);
o2.setGlobalAttribute(o2Title);
o2.setTable1(o1);
assertEquals(1, o1.getTable2Array().size());
clientContext.commitChanges();
assertEquals(1, o1.getTable2Array().size());
o2.setTable1(null);
assertEquals(0, o1.getTable2Array().size());
clientContext.rollbackChanges();
assertEquals(1, o1.getTable2Array().size());
assertEquals(o1, o2.getTable1());
}
@Test
public void testRollbackDeletedObject() {
String o1Name = "deleteTestClientMtTable1";
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1(o1Name);
clientContext.commitChanges();
// Save... cayenne doesn't yet handle deleting objects that are uncommitted
clientContext.deleteObjects(o1);
clientContext.rollbackChanges();
//TODO: The state is committed for Cayenne context, but Hollow for DataContext?!
// Now check everything is as it should be
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
}
@Test
public void testRollbackModifiedObject() {
String o1Name = "initialTestClientMtTable1";
ClientMtTable1 o1 = clientContext.newObject(ClientMtTable1.class);
o1.setGlobalAttribute1(o1Name);
clientContext.commitChanges();
o1.setGlobalAttribute1("a new value");
clientContext.rollbackChanges();
// Make sure the inmemory changes have been rolled back
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
assertEquals(o1Name, o1.getGlobalAttribute1());
}
}