/*
* Encog(tm) Core Unit Tests v3.0 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.app.quant;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.encog.app.analyst.csv.shuffle.ShuffleCSV;
import org.encog.util.csv.CSVFormat;
import org.junit.Assert;
public class TestShuffle extends TestCase {
public static final File INPUT_NAME = new File("test.csv");
public static final File OUTPUT_NAME = new File("test2.csv");
public void generateTestFileHeadings(boolean header) throws IOException
{
PrintWriter tw = new PrintWriter(new FileWriter(INPUT_NAME));
if (header)
{
tw.println("a,b");
}
tw.println("one,1");
tw.println("two,2");
tw.println("three,3");
tw.println("four,4");
tw.println("five,5");
tw.println("six,6");
// close the stream
tw.close();
}
public void testShuffleHeaders() throws IOException
{
generateTestFileHeadings(true);
ShuffleCSV norm = new ShuffleCSV();
norm.analyze(INPUT_NAME, true, CSVFormat.ENGLISH);
norm.process(OUTPUT_NAME);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
String line;
Map<String, Integer> list = new HashMap<String, Integer>();
while ((line = tr.readLine()) != null)
{
list.put(line, 0);
}
Assert.assertEquals(7,list.size());
tr.close();
(new File("test.csv")).delete();
(new File("test2.csv")).delete();
}
public void testShuffleNoHeaders() throws IOException
{
generateTestFileHeadings(false);
ShuffleCSV norm = new ShuffleCSV();
norm.analyze(INPUT_NAME, false, CSVFormat.ENGLISH);
norm.setProduceOutputHeaders(false);
norm.process(OUTPUT_NAME);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
String line;
Map<String, Integer> list = new HashMap<String, Integer>();
while ((line = tr.readLine()) != null)
{
list.put(line, 0);
}
Assert.assertEquals(6, list.size());
tr.close();
(new File("test.csv")).delete();
(new File("test2.csv")).delete();
}
}