/*
* 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.
*
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* and trademarks visit:
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*/
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 junit.framework.TestCase;
import org.encog.app.analyst.csv.sort.SortCSV;
import org.encog.app.analyst.csv.sort.SortType;
import org.encog.app.analyst.csv.sort.SortedField;
import org.encog.util.csv.CSVFormat;
import org.junit.Assert;
public class TestSort 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("five,5");
tw.println("four,4");
tw.println("two,2");
tw.println("three,3");
tw.println("six,6");
tw.println("one,1");
// close the stream
tw.close();
}
public void testSortHeaders() throws IOException
{
generateTestFileHeadings(true);
SortCSV norm = new SortCSV();
norm.getSortOrder().add(new SortedField(1,SortType.SortString,true));
norm.process(INPUT_NAME,OUTPUT_NAME,true,CSVFormat.ENGLISH);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
Assert.assertEquals("\"a\",\"b\"", tr.readLine());
Assert.assertEquals("\"one\",1", tr.readLine());
Assert.assertEquals("\"two\",2", tr.readLine());
Assert.assertEquals("\"three\",3", tr.readLine());
Assert.assertEquals("\"four\",4", tr.readLine());
Assert.assertEquals("\"five\",5", tr.readLine());
Assert.assertEquals("\"six\",6", tr.readLine());
Assert.assertNull(tr.readLine());
tr.close();
(new File("test.csv")).delete();
(new File("test2.csv")).delete();
}
public void testSortNoHeaders() throws IOException
{
generateTestFileHeadings(false);
SortCSV norm = new SortCSV();
norm.getSortOrder().add(new SortedField(1,SortType.SortInteger,true));
norm.setProduceOutputHeaders(false);
norm.process(INPUT_NAME,OUTPUT_NAME,false,CSVFormat.ENGLISH);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
Assert.assertEquals("\"one\",1", tr.readLine());
Assert.assertEquals("\"two\",2", tr.readLine());
Assert.assertEquals("\"three\",3", tr.readLine());
Assert.assertEquals("\"four\",4", tr.readLine());
Assert.assertEquals("\"five\",5", tr.readLine());
Assert.assertEquals("\"six\",6", tr.readLine());
Assert.assertNull(tr.readLine());
tr.close();
(new File("test.csv")).delete();
(new File("test2.csv")).delete();
}
}