/*
* ModeShape (http://www.modeshape.org)
*
* 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.modeshape.common.util;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsNull.notNullValue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import javax.xml.bind.DatatypeConverter;
import org.junit.Test;
import org.modeshape.common.FixFor;
/**
* @author Randall Hauch
*/
public class Base64Test {
// =========================================================================
// H E L P E R M E T H O D S
// =========================================================================
// =========================================================================
// T E S T C A S E S
// =========================================================================
@Test
public void testBasicExamples() throws IOException {
// Make up some source objects
byte[] originalBytes = {(byte)-2, (byte)-1, (byte)0, (byte)1, (byte)2};
// Display original array
System.out.println("\n\nOriginal array: ");
for (int i = 0; i < originalBytes.length; i++)
System.out.print(originalBytes[i] + " ");
System.out.println();
// Encode serialized bytes
String encBytes = Base64.encodeBytes(originalBytes);
// Print encoded bytes
System.out.println("Bytes, encoded ( " + encBytes.getBytes().length + " bytes):\n" + encBytes);
// Decode bytes
byte[] decBytes = Base64.decode(encBytes);
// Display decoded bytes
System.out.println("Encoded Bytes -> decoded: ");
for (int i = 0; i < decBytes.length; i++)
System.out.print(decBytes[i] + " ");
System.out.println();
}
@Test
public void shouldEncodeStringValue() throws UnsupportedEncodingException, IOException {
String actualValue = "propertyValue";
String encoded = Base64.encodeBytes(actualValue.getBytes("UTF-8"));
byte[] decoded = Base64.decode(encoded);
String decodedValue = new String(decoded, "UTF-8");
assertThat(decodedValue, is(actualValue));
}
@Test
public void shouldEncodeStreamableValue() throws IOException {
String actualValue = "propertyValue";
byte[] actualBytes = actualValue.getBytes();
InputStream actualStream = new ByteArrayInputStream(actualBytes);
String encoded = Base64.encode(actualStream);
String encoded2 = Base64.encodeBytes(actualBytes);
assertThat(encoded, is(encoded2));
byte[] decoded = Base64.decode(encoded);
String decodedValue = new String(decoded);
assertThat(decodedValue, is(actualValue));
}
@Test( expected = NullPointerException.class )
public void testEncodeNullByteArray() {
Base64.encodeBytes(null);
}
@Test
public void testEncodeEmptyByteArray() {
String result = Base64.encodeBytes(new byte[] {});
assertThat(result, is(notNullValue()));
assertThat(result.length(), is(0));
}
@Test
@FixFor("MODE-2413")
public void shouldSupportReadingFromSelfClosingInputStream() throws Exception {
byte[] buffer = new byte[1024];
ByteArrayOutputStream bos = new ByteArrayOutputStream();
URL resource = getClass().getResource("simple.json");
try (Base64.InputStream is = new Base64.InputStream(new SelfClosingInputStream(resource.openStream()), Base64.ENCODE)) {
int read;
while ((read = is.read(buffer, 0, buffer.length)) != -1) {
bos.write(buffer, 0, read);
}
}
// until Java 8, use this....
String expectedString = DatatypeConverter.printBase64Binary(IoUtil.readBytes(resource.openStream()));
assertEquals("Incorrect Base64 encoding", expectedString, new String(bos.toByteArray()));
}
}