/*
* 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.query.processor;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.Expression;
/**
*/
public class TestCollectionTupleSource {
@Test public void testNullSource() {
List<Expression> elements = new ArrayList<Expression>();
elements.add(new ElementSymbol("x")); //$NON-NLS-1$
elements.add(new ElementSymbol("y")); //$NON-NLS-1$
CollectionTupleSource nts = CollectionTupleSource.createNullTupleSource();
// Walk it and get no data
List tuple = nts.nextTuple();
nts.closeSource();
assertEquals("Didn't get termination tuple for first tuple", null, tuple); //$NON-NLS-1$
}
@Test public void testUpdateCountSource() {
CollectionTupleSource nts = CollectionTupleSource.createUpdateCountTupleSource(5);
// Walk it and get no data
List tuple = nts.nextTuple();
nts.closeSource();
assertEquals("Didn't get termination tuple for first tuple", Arrays.asList(5), tuple); //$NON-NLS-1$
}
}