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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.log4j.net;
    18
    19  import junit.framework.TestCase;
    20
    21  import org.apache.log4j.Appender;
    22  import org.apache.log4j.AppenderSkeleton;
    23  import org.apache.log4j.Logger;
    24  import org.apache.log4j.spi.LoggingEvent;
    25  import org.apache.log4j.xml.DOMConfigurator;
    26
    27  public class SocketAppenderTest extends TestCase {
    28
    29      /***
    30  	 *  Create new instance.
    31  	 */
    32      public SocketAppenderTest(final String testName) {
    33  	    super(testName);
    34      }
    35
    36      /* JUnit's setUp and tearDown */
    37
    38      protected void setUp() {
    39          DOMConfigurator.configure("input/xml/SocketAppenderTestConfig.xml");
    40
    41          logger = Logger.getLogger(SocketAppenderTest.class);
    42          primary = logger.getAppender("remote");
    43          secondary = (LastOnlyAppender) Logger.getLogger(
    44                  "org.apache.log4j.net.SocketAppenderTestDummy").getAppender("lastOnly");
    45      }
    46
    47      protected void tearDown() {
    48      }
    49
    50      /* Tests */
    51
    52      public void testFallbackErrorHandlerWhenStarting() {
    53          String msg = "testFallbackErrorHandlerWhenStarting";
    54          logger.debug(msg);
    55
    56          // above debug log will fail and shoul be redirected to secondary appender
    57          assertEquals("SocketAppender with FallbackErrorHandler", msg, secondary.getLastMessage());
    58      }
    59
    60      /* Fields */
    61
    62      private static Logger logger;
    63      private static Appender primary;
    64      private static LastOnlyAppender secondary;
    65
    66      /* Inner classes */
    67
    68      /***
    69       * Inner-class For debugging purposes only Saves last LoggerEvent
    70       */
    71      static public class LastOnlyAppender extends AppenderSkeleton {
    72          protected void append(LoggingEvent event) {
    73              this.lastEvent = event;
    74          }
    75
    76          public boolean requiresLayout() {
    77              return false;
    78          }
    79
    80          public void close() {
    81              this.closed = true;
    82          }
    83
    84          /***
    85           * @return last appended LoggingEvent's message
    86           */
    87          public String getLastMessage() {
    88              if (this.lastEvent != null)
    89                  return this.lastEvent.getMessage().toString();
    90              else
    91                  return "";
    92          }
    93
    94          private LoggingEvent lastEvent;
    95      };
    96
    97  }