/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Copyright (C) 2007 University of Waikato
*/
package weka.core;
import weka.filters.unsupervised.attribute.StringToWordVector;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Tests Utils. Run from the command line with:<p/>
* java weka.core.UtilsTest
*
* @author FracPete (fracpete at waikato dot ac dot nz)
* @version $Revision: 1.1 $
*/
public class UtilsTest
extends TestCase {
/**
* Constructs the <code>UtilsTest</code>.
*
* @param name the name of the test class
*/
public UtilsTest(String name) {
super(name);
}
/**
* Called by JUnit before each test method.
*
* @throws Exception if an error occurs
*/
protected void setUp() throws Exception {
super.setUp();
}
/**
* Called by JUnit after each test method
*
* @throws Exception if an error occurs
*/
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* tests splitOptions and joinOptions
*
* @see Utils#splitOptions(String)
* @see Utils#joinOptions(String[])
*/
public void testSplittingAndJoining() {
String[] options;
String[] newOptions;
String joined;
int i;
try {
options = new StringToWordVector().getOptions();
joined = Utils.joinOptions(options);
newOptions = Utils.splitOptions(joined);
assertEquals("Same number of options", options.length, newOptions.length);
for (i = 0; i < options.length; i++) {
if (!options[i].equals(newOptions[i]))
fail("Option " + (i+1) + " differs");
}
}
catch (Exception e) {
fail("Exception: " + e);
}
}
/**
* tests quote and unquote
*
* @see Utils#quote(String)
* @see Utils#unquote(String)
*/
public void testQuoting() {
String input;
String output;
input = "blahblah";
output = Utils.quote(input);
assertTrue("No quoting necessary", !output.startsWith("'") && !output.endsWith("'"));
input = "";
output = Utils.quote(input);
assertTrue("Empty string quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue("Empty string restored", input.equals(Utils.unquote(output)));
input = " ";
output = Utils.quote(input);
assertTrue("Blank quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue("Blank restored", input.equals(Utils.unquote(output)));
input = "{";
output = Utils.quote(input);
assertTrue(">" + input + "< quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue(">" + input + "< restored", input.equals(Utils.unquote(output)));
input = "}";
output = Utils.quote(input);
assertTrue(">" + input + "< quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue(">" + input + "< restored", input.equals(Utils.unquote(output)));
input = ",";
output = Utils.quote(input);
assertTrue(">" + input + "< quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue(">" + input + "< restored", input.equals(Utils.unquote(output)));
input = "?";
output = Utils.quote(input);
assertTrue(">" + input + "< quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue(">" + input + "< restored", input.equals(Utils.unquote(output)));
input = "\r\n\t'\"%";
output = Utils.quote(input);
assertTrue(">" + input + "< quoted", output.startsWith("'") && output.endsWith("'"));
assertTrue(">" + input + "< restored", input.equals(Utils.unquote(output)));
}
/**
* tests backQuoteChars and unbackQuoteChars
*
* @see Utils#backQuoteChars(String)
* @see Utils#unbackQuoteChars(String)
*/
public void testBackQuoting() {
String input;
String output;
input = "blahblah";
output = Utils.backQuoteChars(input);
assertTrue("No backquoting necessary", input.equals(output));
input = "\r\n\t'\"%";
output = Utils.backQuoteChars(input);
assertTrue(">" + input + "< restored", input.equals(Utils.unbackQuoteChars(output)));
input = "\\r\\n\\t\\'\\\"\\%";
output = Utils.backQuoteChars(input);
assertTrue(">" + input + "< restored", input.equals(Utils.unbackQuoteChars(output)));
input = Utils.joinOptions(new StringToWordVector().getOptions());
output = Utils.backQuoteChars(input);
assertTrue(">" + input + "< restored", input.equals(Utils.unbackQuoteChars(output)));
}
public static Test suite() {
return new TestSuite(UtilsTest.class);
}
public static void main(String[] args){
junit.textui.TestRunner.run(suite());
}
}