/*
* 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.Assert;
import junit.framework.TestCase;
import org.encog.app.analyst.csv.balance.BalanceCSV;
import org.encog.util.csv.CSVFormat;
public class TestBalanceCSV extends TestCase {
public static final File INPUT_NAME = new File("test.csv");
public static final File OUTPUT_NAME = new File("test2.csv");
public void generateTestFile(boolean header) throws IOException {
PrintWriter out = new PrintWriter(new FileWriter(INPUT_NAME));
if (header) {
out.println("a,b");
}
out.println("one,1");
out.println("two,1");
out.println("three,1");
out.println("four,2");
out.println("five,2");
out.println("six,3");
// close the stream
out.close();
}
public void testBalanceCSVHeaders() throws IOException {
generateTestFile(true);
BalanceCSV norm = new BalanceCSV();
norm.analyze(INPUT_NAME, true, CSVFormat.ENGLISH);
norm.process(OUTPUT_NAME, 1, 2);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
Assert.assertEquals("\"a\",\"b\"", tr.readLine());
Assert.assertEquals("one,1", tr.readLine());
Assert.assertEquals("two,1", tr.readLine());
Assert.assertEquals("four,2", tr.readLine());
Assert.assertEquals("five,2", tr.readLine());
Assert.assertEquals("six,3", tr.readLine());
Assert.assertEquals(2, norm.getCounts().get("1").intValue());
Assert.assertEquals(2, norm.getCounts().get("2").intValue());
Assert.assertEquals(1, norm.getCounts().get("3").intValue());
tr.close();
INPUT_NAME.delete();
OUTPUT_NAME.delete();
}
public void TestBalanceCSVNoHeaders() throws IOException {
generateTestFile(false);
BalanceCSV norm = new BalanceCSV();
norm.analyze(INPUT_NAME, false, CSVFormat.ENGLISH);
norm.process(OUTPUT_NAME, 1, 2);
BufferedReader tr = new BufferedReader(new FileReader(OUTPUT_NAME));
Assert.assertEquals("one,1", tr.readLine());
Assert.assertEquals("two,1", tr.readLine());
Assert.assertEquals("four,2", tr.readLine());
Assert.assertEquals("five,2", tr.readLine());
Assert.assertEquals("six,3", tr.readLine());
Assert.assertEquals(2, norm.getCounts().get("1").intValue());
Assert.assertEquals(2, norm.getCounts().get("2").intValue());
Assert.assertEquals(1, norm.getCounts().get("3").intValue());
tr.close();
INPUT_NAME.delete();
OUTPUT_NAME.delete();
}
}