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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.util;

import org.apache.cayenne.Cayenne;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.di.DataChannelInterceptor;
import org.apache.cayenne.unit.di.UnitTestClosure;
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.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;

@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class DeepMergeOperationIT extends ServerCase {

    @Inject
    private DataChannelInterceptor queryInterceptor;

    @Inject
    private DataContext context;

    @Inject
    private DataContext context1;

    @Test
    public void testDeepMergeNonExistent() {

        final Artist a = context.newObject(Artist.class);
        a.setArtistName("AAA");
        context.commitChanges();

        final DeepMergeOperation op = new DeepMergeOperation(context1);

        queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

            public void execute() {
                Artist a2 = (Artist) op.merge(a);
                assertNotNull(a2);
                assertEquals(PersistenceState.COMMITTED, a2.getPersistenceState());
                assertEquals(a.getArtistName(), a2.getArtistName());
            }
        });
    }

    @Test
    public void testDeepMergeModified() {

        final Artist a = context.newObject(Artist.class);
        a.setArtistName("AAA");
        context.commitChanges();

        final Artist a1 = (Artist) Cayenne.objectForPK(context1, a.getObjectId());
        a1.setArtistName("BBB");
        final DeepMergeOperation op = new DeepMergeOperation(context1);

        queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

            public void execute() {
                Artist a2 = (Artist) op.merge(a);
                assertNotNull(a2);
                assertEquals(PersistenceState.MODIFIED, a2.getPersistenceState());
                assertSame(a1, a2);
                assertEquals("BBB", a2.getArtistName());
            }
        });
    }

}