/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright 2003-2007 Jive Software.
*
* All rights reserved. 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.
*/
package org.jivesoftware.smack.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import org.junit.Test;
/**
* A test case for the StringUtils class.
*/
public class StringUtilsTest {
@Test
public void testEscapeForXML() {
String input = null;
assertNull(StringUtils.escapeForXML(null));
input = "<b>";
assertEquals("<b>", StringUtils.escapeForXML(input));
input = "\"";
assertEquals(""", StringUtils.escapeForXML(input));
input = "&";
assertEquals("&", StringUtils.escapeForXML(input));
input = "<b>\n\t\r</b>";
assertEquals("<b>\n\t\r</b>", StringUtils.escapeForXML(input));
input = " & ";
assertEquals(" & ", StringUtils.escapeForXML(input));
input = " \" ";
assertEquals(" " ", StringUtils.escapeForXML(input));
input = "> of me <";
assertEquals("> of me <", StringUtils.escapeForXML(input));
input = "> of me & you<";
assertEquals("> of me & you<", StringUtils.escapeForXML(input));
input = "& <";
assertEquals("& <", StringUtils.escapeForXML(input));
input = "&";
assertEquals("&", StringUtils.escapeForXML(input));
input = "It's a good day today";
assertEquals("It's a good day today", StringUtils.escapeForXML(input));
}
@Test
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;
}
@Test
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[]).
*/
@Test
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);
}
*/
@Test
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);
}
@Test
public void testParsing() {
String error = "Error parsing node name";
assertEquals(error, "", StringUtils.parseName("yahoo.myjabber.net"));
assertEquals(error, "", StringUtils.parseName("yahoo.myjabber.net/registred"));
assertEquals(error, "user", StringUtils.parseName("user@yahoo.myjabber.net/registred"));
assertEquals(error, "user", StringUtils.parseName("user@yahoo.myjabber.net"));
error = "Error parsing server name";
String result = "yahoo.myjabber.net";
assertEquals(error, result, StringUtils.parseServer("yahoo.myjabber.net"));
assertEquals(error, result, StringUtils.parseServer("yahoo.myjabber.net/registred"));
assertEquals(error, result, StringUtils.parseServer("user@yahoo.myjabber.net/registred"));
assertEquals(error, result, StringUtils.parseServer("user@yahoo.myjabber.net"));
}
@Test
public void parseXep0082Date() throws Exception
{
Date date = StringUtils.parseDate("1971-07-21");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1971, cal.get(Calendar.YEAR));
assertEquals(6, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
}
@Test
public void parseXep0082Time() throws Exception
{
Date date = StringUtils.parseDate("02:56:15");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0082TimeUTC() throws Exception
{
Date date = StringUtils.parseDate("02:56:15Z");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0082TimeWithZone() throws Exception
{
Date date = StringUtils.parseDate("04:40:15+02:30");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(10, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0082TimeWithMillis() throws Exception
{
Date date = StringUtils.parseDate("02:56:15.123");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
assertEquals(123, cal.get(Calendar.MILLISECOND));
}
@Test
public void parseXep0082TimeWithMillisUTC() throws Exception
{
Date date = StringUtils.parseDate("02:56:15.123Z");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
assertEquals(123, cal.get(Calendar.MILLISECOND));
}
@Test
public void parseXep0082TimeWithMillisZone() throws Exception
{
Date date = StringUtils.parseDate("02:56:15.123+01:00");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
assertEquals(123, cal.get(Calendar.MILLISECOND));
}
@Test
public void parseXep0082DateTimeUTC() throws Exception
{
Date date = StringUtils.parseDate("1971-07-21T02:56:15Z");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1971, cal.get(Calendar.YEAR));
assertEquals(6, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0082DateTimeZone() throws Exception
{
Date date = StringUtils.parseDate("1971-07-21T02:56:15-01:00");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1971, cal.get(Calendar.YEAR));
assertEquals(6, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(3, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0082DateTimeWithMillisUTC() throws Exception
{
Date date = StringUtils.parseDate("1971-07-21T02:56:15.123Z");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1971, cal.get(Calendar.YEAR));
assertEquals(6, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(2, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
assertEquals(123, cal.get(Calendar.MILLISECOND));
}
@Test
public void parseXep0082DateTimeWithMillisZone() throws Exception
{
Date date = StringUtils.parseDate("1971-07-21T02:56:15.123-01:00");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(1971, cal.get(Calendar.YEAR));
assertEquals(6, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(3, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(56, cal.get(Calendar.MINUTE));
assertEquals(15, cal.get(Calendar.SECOND));
assertEquals(123, cal.get(Calendar.MILLISECOND));
}
@Test
public void parseXep0091() throws Exception
{
Date date = StringUtils.parseDate("20020910T23:08:25");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2002, cal.get(Calendar.YEAR));
assertEquals(8, cal.get(Calendar.MONTH));
assertEquals(10, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(23, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(8, cal.get(Calendar.MINUTE));
assertEquals(25, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0091NoLeading0() throws Exception
{
Date date = StringUtils.parseDate("200291T23:08:25");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2002, cal.get(Calendar.YEAR));
assertEquals(8, cal.get(Calendar.MONTH));
assertEquals(1, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(23, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(8, cal.get(Calendar.MINUTE));
assertEquals(25, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0091AmbiguousMonthDay() throws Exception
{
Date date = StringUtils.parseDate("2002101T23:08:25");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2002, cal.get(Calendar.YEAR));
assertEquals(9, cal.get(Calendar.MONTH));
assertEquals(1, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(23, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(8, cal.get(Calendar.MINUTE));
assertEquals(25, cal.get(Calendar.SECOND));
}
@Test
public void parseXep0091SingleDigitMonth() throws Exception
{
Date date = StringUtils.parseDate("2002130T23:08:25");
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
assertEquals(2002, cal.get(Calendar.YEAR));
assertEquals(0, cal.get(Calendar.MONTH));
assertEquals(30, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(23, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(8, cal.get(Calendar.MINUTE));
assertEquals(25, cal.get(Calendar.SECOND));
}
@Test (expected=ParseException.class)
public void parseNoMonthDay() throws Exception
{
StringUtils.parseDate("2002T23:08:25");
}
@Test (expected=ParseException.class)
public void parseNoYear() throws Exception
{
StringUtils.parseDate("130T23:08:25");
}
}