/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.common.buffer;
import static org.junit.Assert.*;
import java.util.Arrays;
import java.util.List;
import javax.sql.rowset.serial.SerialClob;
import org.junit.Test;
import org.mockito.Mockito;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.types.ClobType;
import org.teiid.core.types.DataTypeManager;
import org.teiid.query.sql.symbol.ElementSymbol;
public class TestTupleBuffer {
public static final class FakeBatchManager implements BatchManager {
@Override
public void remove() {
}
@Override
public ManagedBatch createManagedBatch(final TupleBatch batch, boolean softCache)
throws TeiidComponentException {
return new ManagedBatch() {
@Override
public void remove() {
}
@Override
public TupleBatch getBatch(boolean cache, String[] types)
throws TeiidComponentException {
return batch;
}
@Override
public void setPrefersMemory(boolean prefers) {
}
};
}
@Override
public FileStore createStorage(String prefix) {
return Mockito.mock(FileStore.class);
}
}
@Test public void testForwardOnly() throws Exception {
ElementSymbol x = new ElementSymbol("x"); //$NON-NLS-1$
x.setType(DataTypeManager.DefaultDataClasses.INTEGER);
List<ElementSymbol> schema = Arrays.asList(x);
TupleBuffer tb = new TupleBuffer(new FakeBatchManager(), "x", schema, null, 32); //$NON-NLS-1$
tb.setForwardOnly(true);
tb.addTuple(Arrays.asList(1));
TupleBatch batch = tb.getBatch(1);
assertTrue(!batch.getTerminationFlag());
assertEquals(1, batch.getBeginRow());
try {
tb.getBatch(1);
fail("expected exception"); //$NON-NLS-1$
} catch (AssertionError e) {
}
tb.addTuple(Arrays.asList(1));
tb.close();
batch = tb.getBatch(2);
assertTrue(batch.getTerminationFlag());
assertEquals(2, batch.getBeginRow());
}
@Test public void testLobHandling() throws Exception {
ElementSymbol x = new ElementSymbol("x"); //$NON-NLS-1$
x.setType(DataTypeManager.DefaultDataClasses.CLOB);
List<ElementSymbol> schema = Arrays.asList(x);
TupleBuffer tb = new TupleBuffer(new FakeBatchManager(), "x", schema, LobManager.getLobIndexes(schema), 32); //$NON-NLS-1$
ClobType c = new ClobType(new SerialClob(new char[0]));
TupleBatch batch = new TupleBatch(1, new List[] {Arrays.asList(c)});
tb.addTupleBatch(batch, false);
assertNotNull(tb.getLobReference(c.getReferenceStreamId()));
}
}