/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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.jboss.netty.handler.codec.marshalling;
import org.jboss.marshalling.Marshaller;
import org.jboss.marshalling.MarshallerFactory;
import org.jboss.marshalling.Marshalling;
import org.jboss.marshalling.MarshallingConfiguration;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.ChannelUpstreamHandler;
import org.jboss.netty.handler.codec.embedder.CodecEmbedderException;
import org.jboss.netty.handler.codec.embedder.DecoderEmbedder;
import org.jboss.netty.handler.codec.frame.TooLongFrameException;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import static org.junit.Assert.*;
public abstract class AbstractCompatibleMarshallingDecoderTest {
@SuppressWarnings("RedundantStringConstructorCall")
private final String testObject = new String("test");
@Test
public void testSimpleUnmarshalling() throws IOException {
MarshallerFactory marshallerFactory = createMarshallerFactory();
MarshallingConfiguration configuration = createMarshallingConfig();
DecoderEmbedder<Object> decoder = new DecoderEmbedder<Object>(createDecoder(Integer.MAX_VALUE));
ByteArrayOutputStream bout = new ByteArrayOutputStream();
Marshaller marshaller = marshallerFactory.createMarshaller(configuration);
marshaller.start(Marshalling.createByteOutput(bout));
marshaller.writeObject(testObject);
marshaller.finish();
marshaller.close();
byte[] testBytes = bout.toByteArray();
decoder.offer(input(testBytes));
assertTrue(decoder.finish());
String unmarshalled = (String) decoder.poll();
assertEquals(testObject, unmarshalled);
assertNull(decoder.poll());
}
protected ChannelBuffer input(byte[] input) {
return ChannelBuffers.wrappedBuffer(input);
}
@Test
public void testFragmentedUnmarshalling() throws IOException {
MarshallerFactory marshallerFactory = createMarshallerFactory();
MarshallingConfiguration configuration = createMarshallingConfig();
DecoderEmbedder<Object> decoder = new DecoderEmbedder<Object>(createDecoder(Integer.MAX_VALUE));
ByteArrayOutputStream bout = new ByteArrayOutputStream();
Marshaller marshaller = marshallerFactory.createMarshaller(configuration);
marshaller.start(Marshalling.createByteOutput(bout));
marshaller.writeObject(testObject);
marshaller.finish();
marshaller.close();
byte[] testBytes = bout.toByteArray();
ChannelBuffer buffer = input(testBytes);
ChannelBuffer slice = buffer.readSlice(2);
decoder.offer(slice);
decoder.offer(buffer);
assertTrue(decoder.finish());
String unmarshalled = (String) decoder.poll();
assertEquals(testObject, unmarshalled);
assertNull(decoder.poll());
}
@Test
public void testTooBigObject() throws IOException {
MarshallerFactory marshallerFactory = createMarshallerFactory();
MarshallingConfiguration configuration = createMarshallingConfig();
ChannelUpstreamHandler mDecoder = createDecoder(4);
DecoderEmbedder<Object> decoder = new DecoderEmbedder<Object>(mDecoder);
ByteArrayOutputStream bout = new ByteArrayOutputStream();
Marshaller marshaller = marshallerFactory.createMarshaller(configuration);
marshaller.start(Marshalling.createByteOutput(bout));
marshaller.writeObject(testObject);
marshaller.finish();
marshaller.close();
byte[] testBytes = bout.toByteArray();
try {
decoder.offer(input(testBytes));
fail();
} catch (CodecEmbedderException e) {
assertEquals(TooLongFrameException.class, e.getCause().getClass());
}
}
protected ChannelUpstreamHandler createDecoder(int maxObjectSize) {
return new CompatibleMarshallingDecoder(createProvider(createMarshallerFactory(), createMarshallingConfig()), maxObjectSize);
}
protected UnmarshallerProvider createProvider(MarshallerFactory factory, MarshallingConfiguration config) {
return new DefaultUnmarshallerProvider(factory, config);
}
protected abstract MarshallerFactory createMarshallerFactory();
protected abstract MarshallingConfiguration createMarshallingConfig();
}