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package org.apache.cayenne.dba;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.unit.UnitDbAdapter;
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.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class PkGeneratorIT extends ServerCase {
@Inject
private UnitDbAdapter accessStackAdapter;
@Inject
private DataNode node;
private PkGenerator pkGenerator;
private DbEntity paintingEntity;
@Before
public void setUp() throws Exception {
pkGenerator = node.getAdapter().getPkGenerator();
paintingEntity = node.getEntityResolver().getDbEntity("PAINTING");
List<DbEntity> list = new ArrayList<DbEntity>();
list.add(paintingEntity);
pkGenerator.createAutoPk(node, list);
pkGenerator.reset();
}
@Test
public void testGeneratePkForDbEntity() throws Exception {
List<Object> pkList = new ArrayList<Object>();
int testSize = (pkGenerator instanceof JdbcPkGenerator)
? ((JdbcPkGenerator) pkGenerator).getPkCacheSize() * 2
: 25;
if (testSize < 25) {
testSize = 25;
}
for (int i = 0; i < testSize; i++) {
Object pk = pkGenerator.generatePk(node, paintingEntity
.getPrimaryKeys()
.iterator()
.next());
assertNotNull(pk);
assertTrue(pk instanceof Number);
// check that the number is continuous
// of course this assumes a single-threaded test
if (accessStackAdapter.supportsBatchPK() && pkList.size() > 0) {
Number last = (Number) pkList.get(pkList.size() - 1);
assertEquals(last.intValue() + 1, ((Number) pk).intValue());
}
pkList.add(pk);
}
}
}