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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.dqp.internal.datamgr;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import junit.framework.TestCase;
import org.teiid.language.ColumnReference;
import org.teiid.language.GroupBy;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.Expression;
import org.teiid.query.sql.symbol.Function;
public class TestGroupByImpl extends TestCase {
/**
* Constructor for TestGroupByImpl.
* @param name
*/
public TestGroupByImpl(String name) {
super(name);
}
public static org.teiid.query.sql.lang.GroupBy helpExample() {
List<ElementSymbol> symbols = new ArrayList<ElementSymbol>();
symbols.add(TestElementImpl.helpExample("vm1.g1", "e1")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e2")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e3")); //$NON-NLS-1$ //$NON-NLS-2$
symbols.add(TestElementImpl.helpExample("vm1.g1", "e4")); //$NON-NLS-1$ //$NON-NLS-2$
return new org.teiid.query.sql.lang.GroupBy(symbols);
}
public static org.teiid.query.sql.lang.GroupBy helpExampleWithFunctions() {
List<Expression> symbols = new ArrayList<Expression>();
ElementSymbol e1 = TestElementImpl.helpExample("vm1.g1", "e1");//$NON-NLS-1$ //$NON-NLS-2$
Function f = new Function("length", new Expression[] { e1 } );//$NON-NLS-1$
symbols.add(e1);
symbols.add(f);
return new org.teiid.query.sql.lang.GroupBy(symbols);
}
public static GroupBy example() throws Exception {
return TstLanguageBridgeFactory.factory.translate(helpExample());
}
public void testGetElements() throws Exception {
GroupBy gb = example();
assertNotNull(gb.getElements());
assertEquals(4, gb.getElements().size());
for (Iterator i = gb.getElements().iterator(); i.hasNext();) {
assertTrue(i.next() instanceof ColumnReference);
}
}
public void testTranslateWithFunction() throws Exception {
TstLanguageBridgeFactory.factory.translate(helpExampleWithFunctions());
}
}