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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access;

import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.ExpressionFactory;
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.Test;

import java.util.List;

import static org.junit.Assert.assertEquals;

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

    @Inject
    private DataContext context;

    @Inject
    private DBHelper dbHelper;

    private void createTwoArtistsThreePaintingsDataSet() throws Exception {
        TableHelper tArtist = new TableHelper(dbHelper, "ARTIST");
        tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");

        TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
        tPainting.setColumns("PAINTING_ID", "PAINTING_TITLE", "ARTIST_ID");

        tArtist.insert(1, "A1");
        tArtist.insert(2, "A2");

        tPainting.insert(1, "ABC", 1);
        tPainting.insert(2, "ABD", 1);
        tPainting.insert(3, "ACC", 1);
    }

    @Test
    public void testToManyDisjointOverlappingQualifierWithInnerJoin() throws Exception {
        createTwoArtistsThreePaintingsDataSet();

        SelectQuery query = new SelectQuery(Artist.class);
        query.andQualifier(ExpressionFactory
                .likeExp("paintingArray.paintingTitle", "AB%"));
        query.addPrefetch(Artist.PAINTING_ARRAY.disjoint());

        List<Artist> result = context.performQuery(query);
        assertEquals(1, result.size());

        Artist a = result.get(0);
        assertEquals(3, a.getPaintingArray().size());
    }

    @Test
    public void testToManyJointOverlappingQualifierWithInnerJoin() throws Exception {
        createTwoArtistsThreePaintingsDataSet();

        SelectQuery query = new SelectQuery(Artist.class);
        query.andQualifier(ExpressionFactory
                .likeExp("paintingArray.paintingTitle", "AB%"));
        query.addPrefetch(Artist.PAINTING_ARRAY.joint());

        List<Artist> result = context.performQuery(query);
        assertEquals(1, result.size());

        Artist a = result.get(0);
        assertEquals(3, a.getPaintingArray().size());
    }

    @Test
    public void testToManyJointOverlappingQualifierWithOuterJoin() throws Exception {
        createTwoArtistsThreePaintingsDataSet();

        SelectQuery query = new SelectQuery(Artist.class);
        query.andQualifier(ExpressionFactory.likeExp(
                "paintingArray+.paintingTitle",
                "AB%"));
        query.addPrefetch(Artist.PAINTING_ARRAY.joint());

        query.orQualifier(ExpressionFactory.likeExp("artistName", "A%"));
        query.addOrdering(Artist.ARTIST_NAME.asc());

        List<Artist> result = context.performQuery(query);
        assertEquals(2, result.size());

        Artist a = result.get(0);
        assertEquals(3, a.getPaintingArray().size());

        Artist a1 = result.get(1);
        assertEquals(0, a1.getPaintingArray().size());
    }
}