/*
* 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
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*/
package org.teiid.query.sql.lang;
import java.util.ArrayList;
import java.util.List;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.query.sql.lang.Select;
import org.teiid.query.sql.symbol.AliasSymbol;
import org.teiid.query.sql.symbol.MultipleElementSymbol;
import org.teiid.query.sql.symbol.ElementSymbol;
import junit.framework.TestCase;
public class TestSelect extends TestCase {
// ################################## FRAMEWORK ################################
public TestSelect(String name) {
super(name);
}
// ################################## TEST HELPERS ################################
public static final Select sample1() {
List symbols = new ArrayList();
symbols.add(new ElementSymbol("a")); //$NON-NLS-1$
symbols.add(new ElementSymbol("b")); //$NON-NLS-1$
Select select = new Select();
MultipleElementSymbol all = new MultipleElementSymbol();
all.setElementSymbols(symbols);
select.addSymbol(all);
return select;
}
public static final Select sample2() {
Select select = new Select();
select.addSymbol(new ElementSymbol("a")); //$NON-NLS-1$
select.addSymbol(new ElementSymbol("b")); //$NON-NLS-1$
select.addSymbol(new ElementSymbol("c")); //$NON-NLS-1$
select.addSymbol(new AliasSymbol("Z", new ElementSymbol("ZZ 9 Plural Z Alpha"))); //$NON-NLS-1$ //$NON-NLS-2$
return select;
}
// ################################## ACTUAL TESTS ################################
public void testGetProjectedNoElements() {
Select select = new Select();
select.addSymbol(new MultipleElementSymbol());
List projectedSymbols = select.getProjectedSymbols();
assertEquals("Did not get empty list for select * with no elements: ", new ArrayList(), projectedSymbols); //$NON-NLS-1$
}
public void testGetProjectedWithStar() {
List symbols = new ArrayList();
symbols.add(new ElementSymbol("a")); //$NON-NLS-1$
symbols.add(new ElementSymbol("b")); //$NON-NLS-1$
Select select = new Select();
MultipleElementSymbol all = new MultipleElementSymbol();
all.setElementSymbols(symbols);
select.addSymbol(all);
List projectedSymbols = select.getProjectedSymbols();
assertEquals("Did not get correct list for select *: ", symbols, projectedSymbols); //$NON-NLS-1$
}
public void testSelfEquivalence(){
Select s1 = sample1();
int equals = 0;
UnitTestUtil.helpTestEquivalence(equals, s1, s1);
}
public void testEquivalence(){
Select s1 = sample1();
Select s1a = sample1();
int equals = 0;
UnitTestUtil.helpTestEquivalence(equals, s1, s1a);
}
public void testNonEquivalence(){
Select s1 = sample1();
Select s2 = sample2();
int equals = -1;
UnitTestUtil.helpTestEquivalence(equals, s1, s2);
}
}