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package org.apache.cayenne;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.configuration.server.ServerRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.*;
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class CayenneDataObjectInContextIT extends ServerCase {
@Inject
protected ServerRuntime runtime;
@Inject
protected DataContext context;
@Inject
protected DBHelper dbHelper;
protected TableHelper tArtist;
@Before
public void setUp() throws Exception {
tArtist = new TableHelper(dbHelper, "ARTIST");
tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
}
@Test
public void testDoubleRegistration() {
DataObject object = new Artist();
assertNull(object.getObjectId());
context.registerNewObject(object);
ObjectId tempID = object.getObjectId();
assertNotNull(tempID);
assertTrue(tempID.isTemporary());
assertSame(context, object.getObjectContext());
// double registration in the same context should be quietly ignored
context.registerNewObject(object);
assertSame(tempID, object.getObjectId());
assertSame(object, context.getGraphManager().getNode(tempID));
// registering in another context should throw an exception
ObjectContext anotherContext = runtime.newContext();
try {
anotherContext.registerNewObject(object);
fail("registerNewObject should've failed - object is already in another context");
}
catch (IllegalStateException e) {
// expected
}
}
@Test
public void testCommitChangesInBatch() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("abc1");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("abc2");
Artist a3 = context.newObject(Artist.class);
a3.setArtistName("abc3");
context.commitChanges();
List<Artist> artists = context.performQuery(new SelectQuery(Artist.class));
assertEquals(3, artists.size());
}
@Test
public void testSetObjectId() {
Artist o1 = new Artist();
assertNull(o1.getObjectId());
context.registerNewObject(o1);
assertNotNull(o1.getObjectId());
}
@Test
public void testStateTransToNew() {
Artist o1 = new Artist();
assertEquals(PersistenceState.TRANSIENT, o1.getPersistenceState());
context.registerNewObject(o1);
assertEquals(PersistenceState.NEW, o1.getPersistenceState());
}
@Test
public void testStateNewToCommitted() {
Artist o1 = new Artist();
o1.setArtistName("a");
context.registerNewObject(o1);
assertEquals(PersistenceState.NEW, o1.getPersistenceState());
context.commitChanges();
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
}
@Test
public void testStateCommittedToModified() {
Artist o1 = new Artist();
o1.setArtistName("a");
context.registerNewObject(o1);
context.commitChanges();
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
o1.setArtistName(o1.getArtistName() + "_1");
assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());
}
@Test
public void testStateModifiedToCommitted() {
Artist o1 = context.newObject(Artist.class);
o1.setArtistName("qY");
context.commitChanges();
o1.setArtistName(o1.getArtistName() + "_1");
assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());
context.commitChanges();
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
}
@Test
public void testStateCommittedToDeleted() {
Artist o1 = new Artist();
o1.setArtistName("a");
context.registerNewObject(o1);
context.commitChanges();
assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
context.deleteObjects(o1);
assertEquals(PersistenceState.DELETED, o1.getPersistenceState());
}
@Test
public void testStateDeletedToTransient() {
Artist o1 = context.newObject(Artist.class);
o1.setArtistName("qY");
context.commitChanges();
context.deleteObjects(o1);
assertEquals(PersistenceState.DELETED, o1.getPersistenceState());
context.commitChanges();
assertEquals(PersistenceState.TRANSIENT, o1.getPersistenceState());
assertFalse(context.getGraphManager().registeredNodes().contains(o1));
assertNull(o1.getObjectContext());
}
@Test
public void testSetContext() {
Artist o1 = new Artist();
assertNull(o1.getObjectContext());
context.registerNewObject(o1);
assertSame(context, o1.getObjectContext());
}
@Test
public void testFetchByAttribute() throws Exception {
tArtist.insert(7, "m6");
SelectQuery q = new SelectQuery(Artist.class, Artist.ARTIST_NAME.eq("m6"));
List<Artist> artists = context.performQuery(q);
assertEquals(1, artists.size());
Artist o1 = artists.get(0);
assertNotNull(o1);
assertEquals("m6", o1.getArtistName());
}
@Test
public void testUniquing() throws Exception {
tArtist.insert(7, "m6");
SelectQuery q = new SelectQuery(Artist.class, Artist.ARTIST_NAME.eq("m6"));
Artist a1 = (Artist) Cayenne.objectForQuery(context, q);
Artist a2 = (Artist) Cayenne.objectForQuery(context, q);
assertNotNull(a1);
assertNotNull(a2);
assertEquals(1, context.getGraphManager().registeredNodes().size());
assertSame(a1, a2);
}
@Test
public void testSnapshotVersion1() {
Artist artist = context.newObject(Artist.class);
assertEquals(DataObject.DEFAULT_VERSION, artist.getSnapshotVersion());
// test versions set on commit
artist.setArtistName("abc");
context.commitChanges();
DataRow cachedSnapshot = context.getObjectStore().getCachedSnapshot(
artist.getObjectId());
assertNotNull(cachedSnapshot);
assertEquals(cachedSnapshot.getVersion(), artist.getSnapshotVersion());
}
@Test
public void testSnapshotVersion2() throws Exception {
tArtist.insert(7, "m6");
// test versions assigned on fetch... clean up domain cache
List<Artist> artists = context.performQuery(new SelectQuery(Artist.class));
Artist artist = artists.get(0);
assertFalse(DataObject.DEFAULT_VERSION == artist.getSnapshotVersion());
assertEquals(context
.getObjectStore()
.getCachedSnapshot(artist.getObjectId())
.getVersion(), artist.getSnapshotVersion());
}
@Test
public void testSnapshotVersion3() {
Artist artist = context.newObject(Artist.class);
artist.setArtistName("qY");
context.commitChanges();
// test versions assigned after update
long oldVersion = artist.getSnapshotVersion();
artist.setArtistName(artist.getArtistName() + "---");
context.commitChanges();
assertFalse(oldVersion == artist.getSnapshotVersion());
assertEquals(context
.getObjectStore()
.getCachedSnapshot(artist.getObjectId())
.getVersion(), artist.getSnapshotVersion());
}
/**
* Tests a condition when user substitutes object id of a new object instead of
* setting replacement. This is demonstrated here -
* http://objectstyle.org/cayenne/lists/cayenne-user/2005/01/0210.html
*/
@Test
public void testObjectsCommittedManualOID() {
Artist object = context.newObject(Artist.class);
object.setArtistName("ABC1");
assertEquals(PersistenceState.NEW, object.getPersistenceState());
// do a manual id substitution
object.setObjectId(new ObjectId(
"Artist",
Artist.ARTIST_ID_PK_COLUMN,
new Integer(3)));
context.commitChanges();
assertEquals(PersistenceState.COMMITTED, object.getPersistenceState());
// refetch
context.invalidateObjects(object);
Artist object2 = Cayenne.objectForPK(context, Artist.class, 3);
assertNotNull(object2);
assertEquals("ABC1", object2.getArtistName());
}
}