/*
* 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.assertNull;
import static org.junit.Assert.fail;
import java.io.UnsupportedEncodingException;
import org.apache.commons.codec.CharEncoding;
import org.apache.commons.codec.Charsets;
import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.EncoderException;
import org.junit.Test;
/**
* URL codec test cases
*
* @version $Id: URLCodecTest.java 1429868 2013-01-07 16:08:05Z ggregory $
*/
public class URLCodecTest {
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 void validateState(final URLCodec urlCodec) {
// no tests for now.
}
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 testUTF8RoundTrip() throws Exception {
final String ru_msg = constructString(RUSSIAN_STUFF_UNICODE);
final String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
final URLCodec urlCodec = new URLCodec();
this.validateState(urlCodec);
assertEquals(
"%D0%92%D1%81%D0%B5%D0%BC_%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82",
urlCodec.encode(ru_msg, CharEncoding.UTF_8)
);
assertEquals("Gr%C3%BCezi_z%C3%A4m%C3%A4", urlCodec.encode(ch_msg, CharEncoding.UTF_8));
assertEquals(ru_msg, urlCodec.decode(urlCodec.encode(ru_msg, CharEncoding.UTF_8), CharEncoding.UTF_8));
assertEquals(ch_msg, urlCodec.decode(urlCodec.encode(ch_msg, CharEncoding.UTF_8), CharEncoding.UTF_8));
this.validateState(urlCodec);
}
@Test
public void testBasicEncodeDecode() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "Hello there!";
final String encoded = urlCodec.encode(plain);
assertEquals("Basic URL encoding test",
"Hello+there%21", encoded);
assertEquals("Basic URL decoding test",
plain, urlCodec.decode(encoded));
this.validateState(urlCodec);
}
@Test
public void testSafeCharEncodeDecode() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "abc123_-.*";
final String encoded = urlCodec.encode(plain);
assertEquals("Safe chars URL encoding test",
plain, encoded);
assertEquals("Safe chars URL decoding test",
plain, urlCodec.decode(encoded));
this.validateState(urlCodec);
}
@Test
public void testUnsafeEncodeDecode() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "~!@#$%^&()+{}\"\\;:`,/[]";
final String encoded = urlCodec.encode(plain);
assertEquals("Unsafe chars URL encoding test",
"%7E%21%40%23%24%25%5E%26%28%29%2B%7B%7D%22%5C%3B%3A%60%2C%2F%5B%5D", encoded);
assertEquals("Unsafe chars URL decoding test",
plain, urlCodec.decode(encoded));
this.validateState(urlCodec);
}
@Test
public void testEncodeDecodeNull() throws Exception {
final URLCodec urlCodec = new URLCodec();
assertNull("Null string URL encoding test",
urlCodec.encode((String)null));
assertNull("Null string URL decoding test",
urlCodec.decode((String)null));
this.validateState(urlCodec);
}
@Test
public void testDecodeInvalid() throws Exception {
final URLCodec urlCodec = new URLCodec();
try {
urlCodec.decode("%");
fail("DecoderException should have been thrown");
} catch (final DecoderException e) {
// Expected. Move on
}
try {
urlCodec.decode("%A");
fail("DecoderException should have been thrown");
} catch (final DecoderException e) {
// Expected. Move on
}
try {
// Bad 1st char after %
urlCodec.decode("%WW");
fail("DecoderException should have been thrown");
} catch (final DecoderException e) {
// Expected. Move on
}
try {
// Bad 2nd char after %
urlCodec.decode("%0W");
fail("DecoderException should have been thrown");
} catch (final DecoderException e) {
// Expected. Move on
}
this.validateState(urlCodec);
}
@Test
public void testDecodeInvalidContent() throws UnsupportedEncodingException, DecoderException {
final String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
final URLCodec urlCodec = new URLCodec();
final byte[] input = ch_msg.getBytes("ISO-8859-1");
final byte[] output = urlCodec.decode(input);
assertEquals(input.length, output.length);
for (int i = 0; i < input.length; i++) {
assertEquals(input[i], output[i]);
}
this.validateState(urlCodec);
}
@Test
public void testEncodeNull() throws Exception {
final URLCodec urlCodec = new URLCodec();
final byte[] plain = null;
final byte[] encoded = urlCodec.encode(plain);
assertEquals("Encoding a null string should return null",
null, encoded);
this.validateState(urlCodec);
}
@Test
public void testEncodeUrlWithNullBitSet() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "Hello there!";
final String encoded = new String( URLCodec.encodeUrl(null, plain.getBytes(Charsets.UTF_8)));
assertEquals("Basic URL encoding test",
"Hello+there%21", encoded);
assertEquals("Basic URL decoding test",
plain, urlCodec.decode(encoded));
this.validateState(urlCodec);
}
@Test
public void testDecodeWithNullArray() throws Exception {
final byte[] plain = null;
final byte[] result = URLCodec.decodeUrl( plain );
assertEquals("Result should be null", null, result);
}
@Test
public void testEncodeStringWithNull() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String test = null;
final String result = urlCodec.encode( test, "charset" );
assertEquals("Result should be null", null, result);
}
@Test
public void testDecodeStringWithNull() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String test = null;
final String result = urlCodec.decode( test, "charset" );
assertEquals("Result should be null", null, result);
}
@Test
public void testEncodeObjects() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "Hello there!";
String encoded = (String) urlCodec.encode((Object) plain);
assertEquals("Basic URL encoding test",
"Hello+there%21", encoded);
final byte[] plainBA = plain.getBytes(Charsets.UTF_8);
final byte[] encodedBA = (byte[]) urlCodec.encode((Object) plainBA);
encoded = new String(encodedBA);
assertEquals("Basic URL encoding test",
"Hello+there%21", encoded);
final Object result = urlCodec.encode((Object) null);
assertEquals( "Encoding a null Object should return null", null, result);
try {
final Object dObj = new Double(3.0);
urlCodec.encode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (final EncoderException ee) {
// Exception expected, test segment passes.
}
this.validateState(urlCodec);
}
@Test
public void testInvalidEncoding() {
final URLCodec urlCodec = new URLCodec("NONSENSE");
final String plain = "Hello there!";
try {
urlCodec.encode(plain);
fail("We set the encoding to a bogus NONSENSE vlaue, this shouldn't have worked.");
} catch (final EncoderException ee) {
// Exception expected, test segment passes.
}
try {
urlCodec.decode(plain);
fail("We set the encoding to a bogus NONSENSE vlaue, this shouldn't have worked.");
} catch (final DecoderException ee) {
// Exception expected, test segment passes.
}
this.validateState(urlCodec);
}
@Test
public void testDecodeObjects() throws Exception {
final URLCodec urlCodec = new URLCodec();
final String plain = "Hello+there%21";
String decoded = (String) urlCodec.decode((Object) plain);
assertEquals("Basic URL decoding test",
"Hello there!", decoded);
final byte[] plainBA = plain.getBytes(Charsets.UTF_8);
final byte[] decodedBA = (byte[]) urlCodec.decode((Object) plainBA);
decoded = new String(decodedBA);
assertEquals("Basic URL decoding test",
"Hello there!", decoded);
final Object result = urlCodec.decode((Object) null);
assertEquals( "Decoding a null Object should return null", null, result);
try {
final Object dObj = new Double(3.0);
urlCodec.decode( dObj );
fail( "Trying to url encode a Double object should cause an exception.");
} catch (final DecoderException ee) {
// Exception expected, test segment passes.
}
this.validateState(urlCodec);
}
@Test
public void testDefaultEncoding() throws Exception {
final String plain = "Hello there!";
final URLCodec urlCodec = new URLCodec("UnicodeBig");
urlCodec.encode(plain); // To work around a weird quirk in Java 1.2.2
final String encoded1 = urlCodec.encode(plain, "UnicodeBig");
final String encoded2 = urlCodec.encode(plain);
assertEquals(encoded1, encoded2);
this.validateState(urlCodec);
}
}