LogElementTest.java

/*
 * $Id$
 *
 * Copyright 2006, The jCoderZ.org Project. All rights reserved.
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package org.jcoderz.commons.logging;

import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import org.jcoderz.commons.BaseException;
import org.jcoderz.commons.BaseRuntimeException;
import org.jcoderz.commons.LogFormatterOutputTest;


/**
 * This class is used for testing the LogElement wrapper of a LogRecord. It
 * installs a LogFormatter, which allocates a LogElement for each LogRecord to
 * publish and uses LogFormatterOutputTest for generating the log messages.
 *
 */
public class LogElementTest
      extends LogFormatterOutputTest
{
   private static final String CLASSNAME = FormatTest.class.getName();
   private static final Logger logger = Logger.getLogger(CLASSNAME);

   private static final Logger ROOT_LOGGER = Logger.getLogger("");

   private Handler mHandler = null;

   private static class LogElementHandler
         extends Handler
   {
      /**
       * Closes this Handler, this is a NOP.
       *
       * @see java.util.logging.Handler#close()
       */
      public void close ()
            throws SecurityException
      {
         // nop
      }

      /**
       * Flushes this Handler, this is a NOP.
       *
       * @see java.util.logging.Handler#flush()
       */
      public void flush ()
      {
         // nop
      }

      /**
       * Just allocates a new LogElement from the log record.
       *
       * @see java.util.logging.Handler#publish(java.util.logging.LogRecord)
       *
       * TODO Check LogElement elements.
       */
      public void publish (LogRecord record)
      {
         final LogElement element = new LogElement(record);
         LoggerUtil.checkLogItem(element, record);
      }
   }

   /**
    * Creates a new test case instance.
    */
   public LogElementTest ()
   {
      super();
   }

   public void testSimpleLogRecord ()
   {
      logger.info("testSimpleLogRecord: " + getClass().getName());
   }

   /**
    * Installs an additional Handler, which publishes RocRecords using
    * LogElements.
    *
    * @see junit.framework.TestCase#setUp()
    */
   protected void setUp ()
   {
      mHandler = new LogElementHandler();
      ROOT_LOGGER.addHandler(mHandler);
      Logger.getLogger(BaseException.class.getName()).setLevel(Level.INFO);
      Logger.getLogger(BaseRuntimeException.class.getName()).setLevel(Level.INFO);
   }

   /**
    * Deinstalls the additional Handler.
    *
    * @see junit.framework.TestCase#setUp()
    */
   protected void tearDown ()
   {
      if (mHandler != null)
      {
         ROOT_LOGGER.removeHandler(mHandler);
         mHandler = null;
      }
   }
}