/* Copyright 2009-2015 David Hadka
*
* This file is part of the MOEA Framework.
*
* The MOEA Framework 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 3 of the License, or (at your
* option) any later version.
*
* The MOEA Framework 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 the MOEA Framework. If not, see <http://www.gnu.org/licenses/>.
*/
package org.moeaframework.analysis.sensitivity;
import java.io.IOException;
import java.io.StringReader;
import org.junit.Assert;
import org.junit.Test;
import org.moeaframework.TestUtils;
import org.moeaframework.core.Settings;
/**
* Tests the {@link MetricFileReader} class.
*/
public class MetricFileReaderTest {
/**
* A valid metric file.
*/
public static final String COMPLETE =
"0.0 0.1 -0.1 1.0 -1.0 1E-5\n" +
"# commented line\n" +
"0 10 100 1000 -10 -100\n";
/**
* An incomplete metric file, missing one or more entries from a line.
*/
public static final String INCOMPLETE1 =
"0.0 0.1 -0.1 1.0 -1.0 1E-5\n" +
"-0.1 -0.2 -0.3 -0.4 -0.5\n" + // missing last entry
"0 10 100 1000 -10 -100\n";
/**
* An incomplete metric file, containing an empty line.
*/
public static final String INCOMPLETE2 =
"0.0 0.1 -0.1 1.0 -1.0 1E-5\n" +
"\n" + // empty line
"0 10 100 1000 -10 -100\n";
/**
* An incomplete metric file, containing unparseable data.
*/
public static final String INCOMPLETE3 =
"0.0 0.1 -0.1 1.0 -1.0 1E-5\n" +
"0.0 0.1 -0.1foo 1.0 -1.0 1E-5\n" + // unparseable data
"0 10 100 1000 -10 -100\n";
/**
* Performs the necessary assertions to ensure a complete metric file
* is read correctly.
*
* @param reader the metric file reader
*/
public void validateComplete(MetricFileReader reader) {
Assert.assertTrue(reader.hasNext());
Assert.assertArrayEquals(new double[] { 0.0, 0.1, -0.1, 1.0, -1.0,
1E-5 }, reader.next(), Settings.EPS);
Assert.assertTrue(reader.hasNext());
Assert.assertArrayEquals(new double[] { 0, 10, 100, 1000, -10, -100 },
reader.next(), Settings.EPS);
Assert.assertFalse(reader.hasNext());
Assert.assertFalse(reader.hasNext());
}
/**
* Performs the necessary assertions to ensure an incomplete metric file
* is read correctly.
*
* @param reader the metric file reader
*/
public void validateIncomplete(MetricFileReader reader) {
Assert.assertTrue(reader.hasNext());
Assert.assertArrayEquals(new double[] { 0.0, 0.1, -0.1, 1.0, -1.0,
1E-5 }, reader.next(), Settings.EPS);
Assert.assertFalse(reader.hasNext());
Assert.assertFalse(reader.hasNext());
}
/**
* Tests reading COMPLETE through the {@code File} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testFileComplete() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(TestUtils.createTempFile(COMPLETE));
validateComplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE1 through the {@code File} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testFileIncomplete1() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(TestUtils.createTempFile(
INCOMPLETE1));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE2 through the {@code File} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testFileIncomplete2() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(TestUtils.createTempFile(
INCOMPLETE2));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE3 through the {@code File} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testFileIncomplete3() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(TestUtils.createTempFile(
INCOMPLETE3));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading COMPLETE through the {@code Reader} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testReaderComplete() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(new StringReader(COMPLETE));
validateComplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE1 through the {@code Reader} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testReaderIncomplete1() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(new StringReader(INCOMPLETE1));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE2 through the {@code Reader} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testReaderIncomplete2() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(new StringReader(INCOMPLETE2));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
/**
* Tests reading INCOMPLETE3 through the {@code Reader} constructor.
*
* @throws IOException if an I/O error occurred
*/
@Test
public void testReaderIncomplete3() throws IOException {
MetricFileReader reader = null;
try {
reader = new MetricFileReader(new StringReader(INCOMPLETE3));
validateIncomplete(reader);
} finally {
if (reader != null) {
reader.close();
}
}
}
}