SerializationTest xref

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    1   /**
    2    * Copyright (c) 2004-2011 QOS.ch
    3    * All rights reserved.
    4    *
    5    * Permission is hereby granted, free  of charge, to any person obtaining
    6    * a  copy  of this  software  and  associated  documentation files  (the
    7    * "Software"), to  deal in  the Software without  restriction, including
    8    * without limitation  the rights to  use, copy, modify,  merge, publish,
    9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    10   * permit persons to whom the Software  is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The  above  copyright  notice  and  this permission  notice  shall  be
    14   * included in all copies or substantial portions of the Software.
    15   *
    16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
    24   */
    25  package org.apache.commons.logging.impl;
    26
    27  import java.io.ByteArrayInputStream;
    28  import java.io.ByteArrayOutputStream;
    29  import java.io.IOException;
    30  import java.io.ObjectInputStream;
    31  import java.io.ObjectOutputStream;
    32
    33  import junit.framework.TestCase;
    34
    35  import org.apache.commons.logging.Log;
    36  import org.apache.commons.logging.LogFactory;
    37  import org.slf4j.impl.JDK14LoggerFactory;
    38  import org.slf4j.spi.LocationAwareLogger;
    39
    40  public class SerializationTest extends TestCase {
    41
    42    ObjectInputStream ois;
    43    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    44    ObjectOutputStream oos;
    45
    46    public SerializationTest(String name) {
    47      super(name);
    48    }
    49
    50    protected void setUp() throws Exception {
    51      oos = new ObjectOutputStream(baos);
    52      super.setUp();
    53    }
    54
    55    protected void tearDown() throws Exception {
    56      super.tearDown();
    57      oos.close();
    58    }
    59
    60    public void verify() throws IOException, ClassNotFoundException {
    61      ByteArrayInputStream bis = new ByteArrayInputStream(baos.toByteArray());
    62      ois = new ObjectInputStream(bis);
    63
    64      Log resuscitatedLog = (Log) ois.readObject();
    65      // tests that the "private transient Logger logger" field is non-null
    66      resuscitatedLog.debug("");
    67      resuscitatedLog.isDebugEnabled();
    68    }
    69
    70    public void testSLF4JLog() throws Exception {
    71      JDK14LoggerFactory factory = new JDK14LoggerFactory();
    72      SLF4JLog log = new SLF4JLog(factory.getLogger("x"));
    73      oos.writeObject(log);
    74      verify();
    75    }
    76
    77    public void testSmoke() throws Exception {
    78      Log log = LogFactory.getLog("testing");
    79      oos.writeObject(log);
    80      verify();
    81    }
    82
    83    public void testLocationAware() throws Exception {
    84      JDK14LoggerFactory factory = new JDK14LoggerFactory();
    85      SLF4JLocationAwareLog log = new SLF4JLocationAwareLog(
    86          (LocationAwareLogger) factory.getLogger("x"));
    87      oos.writeObject(log);
    88      verify();
    89    }
    90  }