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* 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
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package org.teiid.query.sql.lang;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.query.sql.lang.CompareCriteria;
import org.teiid.query.sql.lang.From;
import org.teiid.query.sql.lang.Query;
import org.teiid.query.sql.lang.Select;
import org.teiid.query.sql.lang.SubqueryFromClause;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.GroupSymbol;
import junit.framework.TestCase;
public class TestSubqueryFromClause extends TestCase {
public TestSubqueryFromClause(String arg0) {
super(arg0);
}
// ################################## HELPERS ################################
public static SubqueryFromClause example1() {
Query query = new Query();
Select select = new Select();
select.addSymbol(new ElementSymbol("a")); //$NON-NLS-1$
select.addSymbol(new ElementSymbol("b")); //$NON-NLS-1$
query.setSelect(select);
From from = new From();
from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
query.setFrom(from);
CompareCriteria crit = new CompareCriteria();
crit.setLeftExpression(new ElementSymbol("a")); //$NON-NLS-1$
crit.setRightExpression(new Constant(new Integer(5)));
crit.setOperator(CompareCriteria.EQ);
query.setCriteria(crit);
return new SubqueryFromClause("temp", query); //$NON-NLS-1$
}
public static SubqueryFromClause example2() {
Query query = new Query();
Select select = new Select();
select.addSymbol(new ElementSymbol("c")); //$NON-NLS-1$
select.addSymbol(new ElementSymbol("d")); //$NON-NLS-1$
query.setSelect(select);
From from = new From();
from.addGroup(new GroupSymbol("m.g2")); //$NON-NLS-1$
query.setFrom(from);
CompareCriteria crit = new CompareCriteria();
crit.setLeftExpression(new ElementSymbol("c")); //$NON-NLS-1$
crit.setRightExpression(new Constant(new Integer(10)));
crit.setOperator(CompareCriteria.EQ);
query.setCriteria(crit);
return new SubqueryFromClause("temp", query); //$NON-NLS-1$
}
public static SubqueryFromClause example3() {
Query query = new Query();
Select select = new Select();
select.addSymbol(new ElementSymbol("a")); //$NON-NLS-1$
select.addSymbol(new ElementSymbol("b")); //$NON-NLS-1$
query.setSelect(select);
From from = new From();
from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
query.setFrom(from);
CompareCriteria crit = new CompareCriteria();
crit.setLeftExpression(new ElementSymbol("a")); //$NON-NLS-1$
crit.setRightExpression(new Constant(new Integer(5)));
crit.setOperator(CompareCriteria.EQ);
query.setCriteria(crit);
return new SubqueryFromClause("temp2", query); //$NON-NLS-1$
}
// ################################## ACTUAL TESTS ################################
public void testSelfEquivalence(){
Object s1 = example1();
int equals = 0;
UnitTestUtil.helpTestEquivalence(equals, s1, s1);
}
public void testEquivalence(){
Object s1 = example1();
Object s1a = example1();
int equals = 0;
UnitTestUtil.helpTestEquivalence(equals, s1, s1a);
}
public void testEquivalenceDifferentName(){
Object s1 = example1();
Object s2 = example3();
int equals = -1;
UnitTestUtil.helpTestEquivalence(equals, s1, s2);
}
public void testCommandNonEquivalence(){
Object s1 = example1();
Object s2 = example2();
int equals = -1;
UnitTestUtil.helpTestEquivalence(equals, s1, s2);
}
public void testEquivalenceDifferentOptional(){
Object s1 = example1();
SubqueryFromClause s2 = example1();
s2.setOptional(true);
int equals = -1;
UnitTestUtil.helpTestEquivalence(equals, s1, s2);
}
public void testClone() {
SubqueryFromClause s1 = example1();
Object clonedS1 = s1.clone();
assertEquals(s1, clonedS1);
}
}