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package org.apache.cayenne;

import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.testdo.relationships_to_many_fk.ToManyFkDep;
import org.apache.cayenne.testdo.relationships_to_many_fk.ToManyFkRoot;
import org.apache.cayenne.testdo.relationships_to_many_fk.ToManyRoot2;
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;

// TODO: this mapping scenario is really unsupported ... this is just an attempt at
// partial solution
@UseServerRuntime(CayenneProjects.RELATIONSHIPS_TO_MANY_FK_PROJECT)
public class CDOOneToManyFKIT extends ServerCase {

    @Inject
    protected DataContext context;

    @Test
    public void testReadRelationship() throws Exception {

        ToManyRoot2 src2 = context.newObject(ToManyRoot2.class);
        ToManyFkRoot src = context.newObject(ToManyFkRoot.class);

        // this should go away when such mapping becomes fully supported
        src.setDepId(new Integer(1));
        ToManyFkDep target = context.newObject(ToManyFkDep.class);

        // this should go away when such mapping becomes fully supported
        target.setDepId(new Integer(1));
        target.setRoot2(src2);

        src.addToDeps(target);
        context.commitChanges();

        context.invalidateObjects(src, target, src2);

        ToManyFkRoot src1 = (ToManyFkRoot) Cayenne
                .objectForPK(context, src.getObjectId());
        assertNotNull(src1.getDeps());
        assertEquals(1, src1.getDeps().size());
        // resolve HOLLOW
        assertSame(src1, ((ToManyFkDep) src1.getDeps().get(0)).getRoot());

        context.invalidateObjects(src1, src1.getDeps().get(0));

        ToManyFkDep target2 = (ToManyFkDep) Cayenne.objectForPK(context, target
                .getObjectId());
        assertNotNull(target2.getRoot());

        // resolve HOLLOW
        assertSame(target2, target2.getRoot().getDeps().get(0));
    }

}