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package org.apache.cayenne.util;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.DataObjectUtils;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.reflect.ClassDescriptor;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.CayenneCase;
import org.apache.cayenne.util.DeepMergeOperation;
public class DeepMergeOperationTest extends CayenneCase {
public void testDeepMergeNonExistent() {
ClassDescriptor d = getDomain().getEntityResolver().getClassDescriptor("Artist");
DataContext context = createDataContext();
DataContext context1 = createDataContext();
Artist a = context.newObject(Artist.class);
a.setArtistName("AAA");
context.commitChanges();
DeepMergeOperation op = new DeepMergeOperation(context1);
blockQueries();
try {
Artist a2 = (Artist) op.merge(a, d);
assertNotNull(a2);
assertEquals(PersistenceState.COMMITTED, a2.getPersistenceState());
assertEquals(a.getArtistName(), a2.getArtistName());
}
finally {
unblockQueries();
}
}
public void testDeepMergeModified() {
ClassDescriptor d = getDomain().getEntityResolver().getClassDescriptor("Artist");
DataContext context = createDataContext();
DataContext context1 = createDataContext();
Artist a = context.newObject(Artist.class);
a.setArtistName("AAA");
context.commitChanges();
Artist a1 = (Artist) Cayenne.objectForPK(context1, a.getObjectId());
a1.setArtistName("BBB");
DeepMergeOperation op = new DeepMergeOperation(context1);
blockQueries();
try {
Artist a2 = (Artist) op.merge(a, d);
assertNotNull(a2);
assertEquals(PersistenceState.MODIFIED, a2.getPersistenceState());
assertSame(a1, a2);
assertEquals("BBB", a2.getArtistName());
}
finally {
unblockQueries();
}
}
}