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Smack/test/org/jivesoftware/smack/util/StringUtilsTest.java

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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack.util;
import junit.framework.TestCase;
/**
* A test case for the StringUtils class.
*/
public class StringUtilsTest extends TestCase {
public void testEscapeForXML() {
String input = null;
assertNull(StringUtils.escapeForXML(null));
input = "<b>";
assertEquals(StringUtils.escapeForXML(input), "&lt;b&gt;");
input = "\"";
assertEquals(StringUtils.escapeForXML(input), "&quot;");
input = "&";
assertEquals(StringUtils.escapeForXML(input), "&amp;");
input = "<b>\n\t\r</b>";
assertEquals(StringUtils.escapeForXML(input), "&lt;b&gt;\n\t\r&lt;/b&gt;");
input = " & ";
assertEquals(StringUtils.escapeForXML(input), " &amp; ");
input = " \" ";
assertEquals(StringUtils.escapeForXML(input), " &quot; ");
}
public void testHash() {
// Test null
// @TODO - should the StringUtils.hash(String) method be fixed to handle null input?
try {
StringUtils.hash(null);
fail();
}
catch (NullPointerException npe) {
assertTrue(true);
}
// Test empty String
String result = StringUtils.hash("");
assertEquals("da39a3ee5e6b4b0d3255bfef95601890afd80709", result);
// Test a known hash
String adminInHash = "d033e22ae348aeb5660fc2140aec35850c4da997";
result = StringUtils.hash("admin");
assertEquals(adminInHash, result);
// Test a random String - make sure all resulting characters are valid hash characters
// and that the returned string is 32 characters long.
String random = "jive software blah and stuff this is pretty cool";
result = StringUtils.hash(random);
assertTrue(isValidHash(result));
// Test junk input:
String junk = "\n\n\t\b\r!@(!)^(#)@+_-\u2031\u09291\u00A9\u00BD\u0394\u00F8";
result = StringUtils.hash(junk);
assertTrue(isValidHash(result));
}
/* ----- Utility methods and vars ----- */
private final String HASH_CHARS = "0123456789abcdef";
/**
* Returns true if the input string is valid md5 hash, false otherwise.
*/
private boolean isValidHash(String result) {
boolean valid = true;
for (int i=0; i<result.length(); i++) {
char c = result.charAt(i);
if (HASH_CHARS.indexOf(c) < 0) {
valid = false;
}
}
return valid;
}
public void testEncodeHex() {
String input = "";
String output = "";
assertEquals(new String(StringUtils.encodeHex(input.getBytes())),
new String(output.getBytes()));
input = "foo bar 123";
output = "666f6f2062617220313233";
assertEquals(new String(StringUtils.encodeHex(input.getBytes())),
new String(output.getBytes()));
}
/**
* This method tests 2 StringUtil methods - encodeBase64(String) and encodeBase64(byte[]).
*/
public void testEncodeBase64() {
String input = "";
String output = "";
assertEquals(StringUtils.encodeBase64(input), output);
input = "foo bar 123";
output = "Zm9vIGJhciAxMjM=";
assertEquals(StringUtils.encodeBase64(input), output);
input = "=";
output = "PQ==";
assertEquals(StringUtils.encodeBase64(input), output);
input = "abcdefghijklmnopqrstuvwxyz0123456789\n\t\"?!.@{}[]();',./<>#$%^&*";
output = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU2Nzg5CgkiPyEuQHt9W10oKTsnLC4vPD4jJCVeJio=";
assertEquals(StringUtils.encodeBase64(input), output);
}
/***
* This method tests 2 StringUtil methods - decodeBase64(String) and decodeBase64(byte[]).
*/
/*
public void testDecodeBase64() {
String input = "";
String output = "";
assertEquals(StringUtils.decodeBase64(input), output);
input = "Zm9vIGJhciAxMjM=";
output = "foo bar 123";
assertEquals(StringUtils.decodeBase64(input), output);
input = "PQ==";
output = "=";
assertEquals(StringUtils.decodeBase64(input), output);
input = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU2Nzg5CgkiPyEuQHt9W10oKTsnLC4vPD4jJCVeJio=";
output = "abcdefghijklmnopqrstuvwxyz0123456789\n\t\"?!.@{}[]();',./<>#$%^&*";
assertEquals(StringUtils.decodeBase64(input), output);
}
*/
public void testRandomString() {
// Boundary test
String result = StringUtils.randomString(-1);
assertNull(result);
// Zero length string test
result = StringUtils.randomString(0);
assertNull(result);
// Test various lengths - make sure the same length is returned
result = StringUtils.randomString(4);
assertTrue(result.length() == 4);
result = StringUtils.randomString(16);
assertTrue(result.length() == 16);
result = StringUtils.randomString(128);
assertTrue(result.length() == 128);
}
}