/*
* 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.query.processor.relational;
import java.util.Arrays;
import org.teiid.common.buffer.BufferManager;
import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.TeiidProcessingException;
import org.teiid.core.types.DataTypeManager;
import org.teiid.query.function.aggregate.Count;
import org.teiid.query.processor.relational.SortingFilter;
import org.teiid.query.sql.symbol.ElementSymbol;
import junit.framework.TestCase;
/**
*/
public class TestDuplicateFilter extends TestCase {
/**
* Constructor for TestDuplicateFilter.
* @param arg0
*/
public TestDuplicateFilter(String arg0) {
super(arg0);
}
public void helpTestDuplicateFilter(Object[] input, Class dataType, int expected) throws TeiidComponentException, TeiidProcessingException {
BufferManager mgr = BufferManagerFactory.getStandaloneBufferManager();
SortingFilter filter = new SortingFilter(new Count(), mgr, "test", true); //$NON-NLS-1$
filter.initialize(dataType, dataType);
ElementSymbol element = new ElementSymbol("val"); //$NON-NLS-1$
element.setType(dataType);
filter.setElements(Arrays.asList(element));
filter.reset();
// Add inputs
for(int i=0; i<input.length; i++) {
filter.addInputDirect(input[i], null);
}
Integer actual = (Integer) filter.getResult();
assertEquals("Did not get expected number of results", expected, actual.intValue()); //$NON-NLS-1$
}
public void testNoInputs() throws Exception {
helpTestDuplicateFilter(new Object[0], DataTypeManager.DefaultDataClasses.STRING, 0);
}
public void testSmall() throws Exception {
Object[] input = new Object[] { "a", "b", "a", "c", "a", "c", "c", "f" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$
helpTestDuplicateFilter(input, DataTypeManager.DefaultDataClasses.STRING, 4);
}
public void testBig() throws Exception {
int NUM_VALUES = 10000;
int NUM_OUTPUT = 200;
Object[] input = new Object[NUM_VALUES];
for(int i=0; i<NUM_VALUES; i++) {
input[i] = new Integer(i % NUM_OUTPUT);
}
helpTestDuplicateFilter(input, DataTypeManager.DefaultDataClasses.INTEGER, NUM_OUTPUT);
}
}