/*
* 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.dqp.internal.datamgr;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.teiid.core.types.DataTypeManager;
import org.teiid.language.ColumnReference;
import org.teiid.language.DerivedColumn;
import org.teiid.language.Literal;
import org.teiid.language.Select;
public class TestSelectSymbolImpl extends TestCase {
/**
* Constructor for TestSelectSymbolImpl.
* @param name
*/
public TestSelectSymbolImpl(String name) {
super(name);
}
public static DerivedColumn example(String symbolName, String alias) throws Exception {
DerivedColumn selectSymbol = new DerivedColumn(alias, new ColumnReference(null, symbolName, null, DataTypeManager.DefaultDataClasses.INTEGER));
return selectSymbol;
}
public void testHasAlias() throws Exception {
assertNotNull(example("testName", "testAlias").getAlias()); //$NON-NLS-1$ //$NON-NLS-2$
assertNull(example("testName", null).getAlias()); //$NON-NLS-1$
}
public void testGetOutputName() throws Exception {
assertEquals("testAlias", example("testName", "testAlias").getAlias()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
public void testGetExpression() throws Exception {
assertNotNull(example("testName", null).getExpression()); //$NON-NLS-1$
}
public void testGetColumnDataTypes(){
Class<?>[] expectedResults = new Class[2];
List<DerivedColumn> symbols = new ArrayList<DerivedColumn>();
symbols.add(new DerivedColumn("c1", new Literal("3", DataTypeManager.DefaultDataClasses.STRING))); //$NON-NLS-1$//$NON-NLS-2$
expectedResults[0] = DataTypeManager.DefaultDataClasses.STRING;
symbols.add(new DerivedColumn("c2", new Literal(new Integer(5), DataTypeManager.DefaultDataClasses.INTEGER))); //$NON-NLS-1$
expectedResults[1] = DataTypeManager.DefaultDataClasses.INTEGER;
Select query = new Select(symbols, false, null, null, null, null, null);
Class<?>[] results = query.getColumnTypes();
assertEquals( results[0], expectedResults[0]);
assertEquals( results[1], expectedResults[1]);
}
}