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Smack/core/src/test/java/org/jivesoftware/smack/util/StringUtilsTest.java
Florian Schmaus 1e57f1c659 Activate checkstyle and add missing license headers 
Delete also all "All rights reserved" statements, as they are
unnecessary and conflict with checkstyle's header check. Delete unused
imports.
2014-02-17 20:09:55 +01:00

441 lines
14 KiB
Java
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/**
*
* Copyright 2003-2007 Jive Software.
*
* 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("&lt;b&gt;", StringUtils.escapeForXML(input));
input = "\"";
assertEquals("&quot;", StringUtils.escapeForXML(input));
input = "&";
assertEquals("&amp;", StringUtils.escapeForXML(input));
input = "<b>\n\t\r</b>";
assertEquals("&lt;b&gt;\n\t\r&lt;/b&gt;", StringUtils.escapeForXML(input));
input = " & ";
assertEquals(" &amp; ", StringUtils.escapeForXML(input));
input = " \" ";
assertEquals(" &quot; ", StringUtils.escapeForXML(input));
input = "> of me <";
assertEquals("&gt; of me &lt;", StringUtils.escapeForXML(input));
input = "> of me & you<";
assertEquals("&gt; of me &amp; you&lt;", StringUtils.escapeForXML(input));
input = "& <";
assertEquals("&amp; &lt;", StringUtils.escapeForXML(input));
input = "&";
assertEquals("&amp;", StringUtils.escapeForXML(input));
input = "It's a good day today";
assertEquals("It&apos;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");
}
}
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