/*
* 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.mina.filter.buffer;
import junit.framework.TestCase;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.filterchain.IoFilterAdapter;
import org.apache.mina.core.session.DummySession;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.core.write.WriteRequest;
import org.apache.mina.filter.buffer.BufferedWriteFilter;
import org.apache.mina.filter.logging.LoggingFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tests {@link BufferedWriteFilter}.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev$, $Date$
* @since MINA 2.0.0-M2
*/
public class BufferedWriteFilterTest extends TestCase {
private final Logger logger = LoggerFactory
.getLogger(BufferedWriteFilterTest.class);
public void testNonExpandableBuffer() throws Exception {
IoBuffer dest = IoBuffer.allocate(1);
assertEquals(false, dest.isAutoExpand());
}
public void testBasicBuffering() {
DummySession sess = new DummySession();
sess.getFilterChain().addFirst("peer", new IoFilterAdapter() {
private int counter;
@Override
public void filterClose(NextFilter nextFilter, IoSession session)
throws Exception {
logger.debug("Filter closed !");
assertEquals(3, counter);
}
@Override
public void filterWrite(NextFilter nextFilter, IoSession session,
WriteRequest writeRequest) throws Exception {
logger.debug("New buffered message written !");
counter++;
try {
IoBuffer buf = (IoBuffer) writeRequest.getMessage();
if (counter == 3) {
assertEquals(1, buf.limit());
assertEquals(0, buf.get());
} else {
assertEquals(10, buf.limit());
}
} catch (Exception ex) {
throw new AssertionError("Wrong message type");
}
}
});
sess.getFilterChain().addFirst("logger", new LoggingFilter());
BufferedWriteFilter bFilter = new BufferedWriteFilter(10);
sess.getFilterChain().addLast("buffer", bFilter);
IoBuffer data = IoBuffer.allocate(1);
for (byte i = 0; i < 20; i++) {
data.put((byte) (0x30 + i));
data.flip();
sess.write(data);
data.clear();
}
// Add one more byte to overflow the final buffer
data.put((byte) 0);
data.flip();
sess.write(data);
// Flush the final byte
bFilter.flush(sess);
sess.close(true);
}
}