/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.codec.net;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.nio.charset.UnsupportedCharsetException;
import org.apache.commons.codec.CharEncoding;
import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.EncoderException;
import org.junit.Test;
/**
* Quoted-printable codec test cases
*
* @version $Id: QCodecTest.java 1429868 2013-01-07 16:08:05Z ggregory $
*/
public class QCodecTest {
static final int SWISS_GERMAN_STUFF_UNICODE [] = {
0x47, 0x72, 0xFC, 0x65, 0x7A, 0x69, 0x5F, 0x7A, 0xE4, 0x6D, 0xE4
};
static final int RUSSIAN_STUFF_UNICODE [] = {
0x412, 0x441, 0x435, 0x43C, 0x5F, 0x43F, 0x440, 0x438,
0x432, 0x435, 0x442
};
private String constructString(final int [] unicodeChars) {
final StringBuilder buffer = new StringBuilder();
if (unicodeChars != null) {
for (final int unicodeChar : unicodeChars) {
buffer.append((char)unicodeChar);
}
}
return buffer.toString();
}
@Test
public void testNullInput() throws Exception {
final QCodec qcodec = new QCodec();
assertNull(qcodec.doDecoding(null));
assertNull(qcodec.doEncoding(null));
}
@Test
public void testUTF8RoundTrip() throws Exception {
final String ru_msg = constructString(RUSSIAN_STUFF_UNICODE);
final String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
final QCodec qcodec = new QCodec(CharEncoding.UTF_8);
assertEquals(
"=?UTF-8?Q?=D0=92=D1=81=D0=B5=D0=BC=5F=D0=BF=D1=80=D0=B8=D0=B2=D0=B5=D1=82?=",
qcodec.encode(ru_msg)
);
assertEquals("=?UTF-8?Q?Gr=C3=BCezi=5Fz=C3=A4m=C3=A4?=", qcodec.encode(ch_msg));
assertEquals(ru_msg, qcodec.decode(qcodec.encode(ru_msg)));
assertEquals(ch_msg, qcodec.decode(qcodec.encode(ch_msg)));
}
@Test
public void testBasicEncodeDecode() throws Exception {
final QCodec qcodec = new QCodec();
final String plain = "= Hello there =\r\n";
final String encoded = qcodec.encode(plain);
assertEquals("Basic Q encoding test",
"=?UTF-8?Q?=3D Hello there =3D=0D=0A?=", encoded);
assertEquals("Basic Q decoding test",
plain, qcodec.decode(encoded));
}
@Test
public void testUnsafeEncodeDecode() throws Exception {
final QCodec qcodec = new QCodec();
final String plain = "?_=\r\n";
final String encoded = qcodec.encode(plain);
assertEquals("Unsafe chars Q encoding test",
"=?UTF-8?Q?=3F=5F=3D=0D=0A?=", encoded);
assertEquals("Unsafe chars Q decoding test",
plain, qcodec.decode(encoded));
}
@Test
public void testEncodeDecodeNull() throws Exception {
final QCodec qcodec = new QCodec();
assertNull("Null string Q encoding test",
qcodec.encode((String)null));
assertNull("Null string Q decoding test",
qcodec.decode((String)null));
}
@Test
public void testEncodeStringWithNull() throws Exception {
final QCodec qcodec = new QCodec();
final String test = null;
final String result = qcodec.encode( test, "charset" );
assertEquals("Result should be null", null, result);
}
@Test
public void testDecodeStringWithNull() throws Exception {
final QCodec qcodec = new QCodec();
final String test = null;
final String result = qcodec.decode( test );
assertEquals("Result should be null", null, result);
}
@Test
public void testEncodeObjects() throws Exception {
final QCodec qcodec = new QCodec();
final String plain = "1+1 = 2";
final String encoded = (String) qcodec.encode((Object) plain);
assertEquals("Basic Q encoding test",
"=?UTF-8?Q?1+1 =3D 2?=", encoded);
final Object result = qcodec.encode((Object) null);
assertEquals( "Encoding a null Object should return null", null, result);
try {
final Object dObj = new Double(3.0);
qcodec.encode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (final EncoderException ee) {
// Exception expected, test segment passes.
}
}
@Test(expected=UnsupportedCharsetException.class)
public void testInvalidEncoding() {
new QCodec("NONSENSE");
}
@Test
public void testDecodeObjects() throws Exception {
final QCodec qcodec = new QCodec();
final String decoded = "=?UTF-8?Q?1+1 =3D 2?=";
final String plain = (String) qcodec.decode((Object) decoded);
assertEquals("Basic Q decoding test",
"1+1 = 2", plain);
final Object result = qcodec.decode((Object) null);
assertEquals( "Decoding a null Object should return null", null, result);
try {
final Object dObj = new Double(3.0);
qcodec.decode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (final DecoderException ee) {
// Exception expected, test segment passes.
}
}
@Test
public void testEncodeDecodeBlanks() throws Exception {
final String plain = "Mind those pesky blanks";
final String encoded1 = "=?UTF-8?Q?Mind those pesky blanks?=";
final String encoded2 = "=?UTF-8?Q?Mind_those_pesky_blanks?=";
final QCodec qcodec = new QCodec();
qcodec.setEncodeBlanks(false);
String s = qcodec.encode(plain);
assertEquals("Blanks encoding with the Q codec test", encoded1, s);
qcodec.setEncodeBlanks(true);
s = qcodec.encode(plain);
assertEquals("Blanks encoding with the Q codec test", encoded2, s);
s = qcodec.decode(encoded1);
assertEquals("Blanks decoding with the Q codec test", plain, s);
s = qcodec.decode(encoded2);
assertEquals("Blanks decoding with the Q codec test", plain, s);
}
@Test
public void testLetUsMakeCloverHappy() throws Exception {
final QCodec qcodec = new QCodec();
qcodec.setEncodeBlanks(true);
assertTrue(qcodec.isEncodeBlanks());
qcodec.setEncodeBlanks(false);
assertFalse(qcodec.isEncodeBlanks());
}
}