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* 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.dqp.internal.datamgr;
import junit.framework.TestCase;
import org.teiid.core.types.DataTypeManager;
import org.teiid.language.AggregateFunction;
import org.teiid.language.Literal;
import org.teiid.language.SQLConstants.NonReserved;
import org.teiid.query.sql.symbol.AggregateSymbol;
import org.teiid.query.sql.symbol.Constant;
public class TestAggregateImpl extends TestCase {
/**
* Constructor for TestAggregateImpl.
* @param name
*/
public TestAggregateImpl(String name) {
super(name);
}
public static AggregateFunction example(String name, String functionName, boolean distinct, int value) throws Exception {
AggregateSymbol symbol = new AggregateSymbol(name,
functionName,
distinct,
new Constant(new Integer(value)));
return TstLanguageBridgeFactory.factory.translate(symbol);
}
public void testGetName() throws Exception {
assertEquals(AggregateFunction.COUNT, example("testName", NonReserved.COUNT, true, 42).getName()); //$NON-NLS-1$
}
public void testIsDistinct() throws Exception {
assertTrue(example("testName", NonReserved.COUNT, true, 42).isDistinct()); //$NON-NLS-1$
assertFalse(example("testName", NonReserved.COUNT, false, 42).isDistinct()); //$NON-NLS-1$
}
public void testGetExpression() throws Exception {
AggregateFunction agg = example("testName", NonReserved.COUNT, true, 42); //$NON-NLS-1$
assertNotNull(agg.getExpression());
assertTrue(agg.getExpression() instanceof Literal);
assertEquals(new Integer(42), ((Literal)agg.getExpression()).getValue());
}
public void testGetType() throws Exception {
assertEquals(DataTypeManager.DefaultDataClasses.INTEGER, example("x", NonReserved.COUNT, true, 42).getType()); //$NON-NLS-1$
}
}