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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.filter.codec.serialization;
    21
    22  import static org.junit.Assert.assertEquals;
    23
    24  import java.io.ByteArrayOutputStream;
    25
    26  import org.apache.mina.core.buffer.IoBuffer;
    27  import org.apache.mina.filter.codec.ProtocolCodecSession;
    28  import org.apache.mina.filter.codec.ProtocolDecoder;
    29  import org.apache.mina.filter.codec.ProtocolDecoderOutput;
    30  import org.apache.mina.filter.codec.ProtocolEncoder;
    31  import org.apache.mina.filter.codec.ProtocolEncoderOutput;
    32  import org.junit.Test;
    33
    34  /**
    35   * Tests object serialization codec and streams.
    36   *
    37   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    38   */
    39  public class ObjectSerializationTest {
    40      @Test
    41      public void testEncoder() throws Exception {
    42          final String expected = "1234";
    43
    44          ProtocolCodecSession session = new ProtocolCodecSession();
    45          ProtocolEncoderOutput out = session.getEncoderOutput();
    46
    47          ProtocolEncoder encoder = new ObjectSerializationEncoder();
    48          encoder.encode(session, expected, out);
    49
    50          assertEquals(1, session.getEncoderOutputQueue().size());
    51          IoBuffer buf = (IoBuffer) session.getEncoderOutputQueue().poll();
    52
    53          testDecoderAndInputStream(expected, buf);
    54      }
    55
    56      @Test
    57      public void testOutputStream() throws Exception {
    58          final String expected = "1234";
    59
    60          ByteArrayOutputStream baos = new ByteArrayOutputStream();
    61          ObjectSerializationOutputStream osos = new ObjectSerializationOutputStream(baos);
    62
    63          osos.writeObject(expected);
    64          osos.flush();
    65
    66          testDecoderAndInputStream(expected, IoBuffer.wrap(baos.toByteArray()));
    67      }
    68
    69      private void testDecoderAndInputStream(String expected, IoBuffer in) throws Exception {
    70          // Test InputStream
    71          ObjectSerializationInputStream osis = new ObjectSerializationInputStream(in.duplicate().asInputStream());
    72
    73          Object actual = osis.readObject();
    74          assertEquals(expected, actual);
    75
    76          // Test ProtocolDecoder
    77          ProtocolDecoder decoder = new ObjectSerializationDecoder();
    78          ProtocolCodecSession session = new ProtocolCodecSession();
    79          ProtocolDecoderOutput decoderOut = session.getDecoderOutput();
    80          decoder.decode(session, in.duplicate(), decoderOut);
    81
    82          assertEquals(1, session.getDecoderOutputQueue().size());
    83          assertEquals(expected, session.getDecoderOutputQueue().poll());
    84      }
    85  }