/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.core;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Base64;
import org.junit.Test;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.FlumeSpecException;
import com.cloudera.flume.handlers.debug.MemorySinkSource;
/**
* This tests the DigestDecorator.
*/
public class TestDigestDecorator {
/**
* A helper function used by most of the tests here to reduce
* boilerplate.
*/
private void helpTestDigest(String algorithm, boolean encodeBase64) throws IOException, InterruptedException {
MemorySinkSource mem = new MemorySinkSource();
EventSink dig = new DigestDecorator<EventSink>(mem, algorithm, "digest", encodeBase64);
Event e = new EventImpl("content".getBytes());
dig.open();
dig.append(e);
dig.close();
mem.open();
Event e2 = mem.next();
byte digest[] = e2.get("digest");
if (encodeBase64) {
digest = Base64.decodeBase64(digest);
}
try {
MessageDigest stomach = MessageDigest.getInstance(algorithm);
stomach.update("content".getBytes());
assertArrayEquals(stomach.digest(), digest);
} catch (NoSuchAlgorithmException ex) {
fail("Invalid algorithm supplied: " + algorithm);
}
}
@Test
public void testDigestMD5() throws IOException, InterruptedException {
helpTestDigest("MD5", false);
}
@Test
public void testDigestMD5Base64() throws IOException, InterruptedException {
helpTestDigest("MD5", true);
}
@Test
public void testDigestSHA1() throws IOException, InterruptedException {
helpTestDigest("SHA-1", false);
}
@Test
public void testDigestSHA1Base64() throws IOException, InterruptedException {
helpTestDigest("SHA-1", true);
}
@Test
public void testDigestSHA512() throws IOException, InterruptedException {
helpTestDigest("SHA-512", false);
}
@Test
public void testDigestSHA512Base64() throws IOException, InterruptedException {
helpTestDigest("SHA-512", true);
}
/**
* Successful if no exceptions thrown.
*/
@Test
public void testDigestBuilder() throws IOException, FlumeSpecException, InterruptedException {
EventSink snk =
new CompositeSink(new Context(),
"{ digest(\"MD5\", \"digest\") => counter(\"count\") }");
snk.open();
Event e = new EventImpl("content".getBytes());
snk.append(e);
snk.close();
}
/**
* Successful if no exceptions thrown.
*/
@Test
public void testDigestBuilderBase64() throws IOException, FlumeSpecException, InterruptedException {
EventSink snk =
new CompositeSink(new Context(),
"{ digest(\"MD5\", \"digest\", base64=\"true\") => counter(\"count\") }");
snk.open();
Event e = new EventImpl("content".getBytes());
snk.append(e);
snk.close();
}
/**
* Successful if no exceptions thrown.
*/
@Test(expected=FlumeSpecException.class)
public void testDigestBuilderInvalidAlgorithm() throws IOException, FlumeSpecException, InterruptedException {
EventSink snk =
new CompositeSink(new Context(),
"{ digest(\"INVALID\", \"digest\") => counter(\"count\") }");
}
}