/*
* 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 junit.framework.TestCase;
import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.EncoderException;
import org.apache.commons.codec.CharEncoding;
/**
* Quoted-printable codec test cases
*
* @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
* @version $Id: QuotedPrintableCodecTest.java 928757 2010-03-29 12:39:21Z sebb $
*/
public class QuotedPrintableCodecTest extends TestCase {
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
};
public QuotedPrintableCodecTest(String name) {
super(name);
}
private String constructString(int [] unicodeChars) {
StringBuffer buffer = new StringBuffer();
if (unicodeChars != null) {
for (int i = 0; i < unicodeChars.length; i++) {
buffer.append((char)unicodeChars[i]);
}
}
return buffer.toString();
}
public void testUTF8RoundTrip() throws Exception {
String ru_msg = constructString(RUSSIAN_STUFF_UNICODE);
String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
assertEquals(
"=D0=92=D1=81=D0=B5=D0=BC_=D0=BF=D1=80=D0=B8=D0=B2=D0=B5=D1=82",
qpcodec.encode(ru_msg, CharEncoding.UTF_8)
);
assertEquals("Gr=C3=BCezi_z=C3=A4m=C3=A4", qpcodec.encode(ch_msg, CharEncoding.UTF_8));
assertEquals(ru_msg, qpcodec.decode(qpcodec.encode(ru_msg, CharEncoding.UTF_8), CharEncoding.UTF_8));
assertEquals(ch_msg, qpcodec.decode(qpcodec.encode(ch_msg, CharEncoding.UTF_8), CharEncoding.UTF_8));
}
public void testBasicEncodeDecode() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "= Hello there =\r\n";
String encoded = qpcodec.encode(plain);
assertEquals("Basic quoted-printable encoding test",
"=3D Hello there =3D=0D=0A", encoded);
assertEquals("Basic quoted-printable decoding test",
plain, qpcodec.decode(encoded));
}
public void testSafeCharEncodeDecode() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "abc123_-.*~!@#$%^&()+{}\"\\;:`,/[]";
String encoded = qpcodec.encode(plain);
assertEquals("Safe chars quoted-printable encoding test",
plain, encoded);
assertEquals("Safe chars quoted-printable decoding test",
plain, qpcodec.decode(encoded));
}
public void testUnsafeEncodeDecode() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "=\r\n";
String encoded = qpcodec.encode(plain);
assertEquals("Unsafe chars quoted-printable encoding test",
"=3D=0D=0A", encoded);
assertEquals("Unsafe chars quoted-printable decoding test",
plain, qpcodec.decode(encoded));
}
public void testEncodeDecodeNull() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
assertNull("Null string quoted-printable encoding test",
qpcodec.encode((String)null));
assertNull("Null string quoted-printable decoding test",
qpcodec.decode((String)null));
}
public void testDecodeInvalid() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
try {
qpcodec.decode("=");
fail("DecoderException should have been thrown");
} catch (DecoderException e) {
// Expected. Move on
}
try {
qpcodec.decode("=A");
fail("DecoderException should have been thrown");
} catch (DecoderException e) {
// Expected. Move on
}
try {
qpcodec.decode("=WW");
fail("DecoderException should have been thrown");
} catch (DecoderException e) {
// Expected. Move on
}
}
public void testEncodeNull() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
byte[] plain = null;
byte[] encoded = qpcodec.encode(plain);
assertEquals("Encoding a null string should return null",
null, encoded);
}
public void testEncodeUrlWithNullBitSet() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "1+1 = 2";
String encoded = new String(QuotedPrintableCodec.
encodeQuotedPrintable(null, plain.getBytes("UTF-8")));
assertEquals("Basic quoted-printable encoding test",
"1+1 =3D 2", encoded);
assertEquals("Basic quoted-printable decoding test",
plain, qpcodec.decode(encoded));
}
public void testDecodeWithNullArray() throws Exception {
byte[] plain = null;
byte[] result = QuotedPrintableCodec.decodeQuotedPrintable( plain );
assertEquals("Result should be null", null, result);
}
public void testEncodeStringWithNull() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String test = null;
String result = qpcodec.encode( test, "charset" );
assertEquals("Result should be null", null, result);
}
public void testDecodeStringWithNull() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String test = null;
String result = qpcodec.decode( test, "charset" );
assertEquals("Result should be null", null, result);
}
public void testEncodeObjects() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "1+1 = 2";
String encoded = (String) qpcodec.encode((Object) plain);
assertEquals("Basic quoted-printable encoding test",
"1+1 =3D 2", encoded);
byte[] plainBA = plain.getBytes("UTF-8");
byte[] encodedBA = (byte[]) qpcodec.encode((Object) plainBA);
encoded = new String(encodedBA);
assertEquals("Basic quoted-printable encoding test",
"1+1 =3D 2", encoded);
Object result = qpcodec.encode((Object) null);
assertEquals( "Encoding a null Object should return null", null, result);
try {
Object dObj = new Double(3.0);
qpcodec.encode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (EncoderException ee) {
// Exception expected, test segment passes.
}
}
public void testInvalidEncoding() {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec("NONSENSE");
String plain = "Hello there!";
try {
qpcodec.encode(plain);
fail( "We set the encoding to a bogus NONSENSE vlaue, this shouldn't have worked.");
} catch (EncoderException ee) {
// Exception expected, test segment passes.
}
try {
qpcodec.decode(plain);
fail( "We set the encoding to a bogus NONSENSE vlaue, this shouldn't have worked.");
} catch (DecoderException ee) {
// Exception expected, test segment passes.
}
}
public void testDecodeObjects() throws Exception {
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec();
String plain = "1+1 =3D 2";
String decoded = (String) qpcodec.decode((Object) plain);
assertEquals("Basic quoted-printable decoding test",
"1+1 = 2", decoded);
byte[] plainBA = plain.getBytes("UTF-8");
byte[] decodedBA = (byte[]) qpcodec.decode((Object) plainBA);
decoded = new String(decodedBA);
assertEquals("Basic quoted-printable decoding test",
"1+1 = 2", decoded);
Object result = qpcodec.decode((Object) null);
assertEquals( "Decoding a null Object should return null", null, result);
try {
Object dObj = new Double(3.0);
qpcodec.decode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (DecoderException ee) {
// Exception expected, test segment passes.
}
}
public void testDefaultEncoding() throws Exception {
String plain = "Hello there!";
QuotedPrintableCodec qpcodec = new QuotedPrintableCodec("UnicodeBig");
qpcodec.encode(plain); // To work around a weird quirk in Java 1.2.2
String encoded1 = qpcodec.encode(plain, "UnicodeBig");
String encoded2 = qpcodec.encode(plain);
assertEquals(encoded1, encoded2);
}
}