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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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package org.apache.cayenne.dbsync.reverse.dbload;
import java.util.Map;
import java.util.Set;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
public class ExportedKeyLoaderIT extends BaseLoaderIT {
@Test
public void testExportedKeyLoad() throws Exception {
boolean supportsFK = accessStackAdapter.supportsFKConstraints();
if(!supportsFK) {
return;
}
createEntity(nameForDb("ARTIST"));
createEntity(nameForDb("GALLERY"));
createEntity(nameForDb("PAINTING"));
DbEntity artist = getDbEntity("ARTIST");
DbAttribute artistId = new DbAttribute("ARTIST_ID");
artist.addAttribute(artistId);
DbEntity gallery = getDbEntity("GALLERY");
DbAttribute galleryId = new DbAttribute("GALLERY_ID");
gallery.addAttribute(galleryId);
DbEntity painting = getDbEntity("PAINTING");
DbAttribute paintingId = new DbAttribute("PAINTING_ID");
DbAttribute paintingArtistId = new DbAttribute("ARTIST_ID");
DbAttribute paintingGalleryId = new DbAttribute("GALLERY_ID");
painting.addAttribute(paintingId);
painting.addAttribute(paintingArtistId);
painting.addAttribute(paintingGalleryId);
ExportedKeyLoader loader = new ExportedKeyLoader(EMPTY_CONFIG, new DefaultDbLoaderDelegate());
loader.load(connection.getMetaData(), store);
assertEquals(2, store.getExportedKeysEntrySet().size());
ExportedKey artistIdFk = findArtistExportedKey();
assertNotNull(artistIdFk);
assertEquals("ARTIST", artistIdFk.getPk().getTable().toUpperCase());
assertEquals("ARTIST_ID", artistIdFk.getPk().getColumn().toUpperCase());
assertEquals("PAINTING", artistIdFk.getFk().getTable().toUpperCase());
assertEquals("ARTIST_ID", artistIdFk.getFk().getColumn().toUpperCase());
}
private ExportedKey findArtistExportedKey() {
for(Map.Entry<String, Set<ExportedKey>> entry : store.getExportedKeysEntrySet()) {
if(entry.getKey().toUpperCase().endsWith(".ARTIST_ID")) {
return entry.getValue().iterator().next();
}
}
return null;
}
}