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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 java.io.ByteArrayOutputStream;
    20  import java.io.IOException;
    21  import java.io.InputStream;
    22  import java.net.Socket;
    23
    24  import org.apache.log4j.Logger;
    25  import org.apache.log4j.PatternLayout;
    26
    27  import junit.framework.TestCase;
    28
    29  public class TelnetAppenderTest extends TestCase {
    30
    31    int port = 54353;
    32    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    33
    34    public class ReadThread extends Thread {
    35      public void run() {
    36        try {
    37          Socket s = new Socket("localhost", port);
    38          InputStream i = s.getInputStream();
    39          while (!Thread.interrupted()) {
    40            int c = i.read();
    41            if (c == -1)
    42              break;
    43            bo.write(c);
    44          }
    45          s.close();
    46        } catch (IOException e) {
    47          e.printStackTrace();
    48        }
    49      }
    50    }
    51
    52    public void testIt() throws Exception {
    53      int oldActive = Thread.activeCount();
    54      TelnetAppender ta = new TelnetAppender();
    55      ta.setName("ta");
    56      ta.setPort(port);
    57      ta.setLayout(new PatternLayout("%p - %m"));
    58      ta.activateOptions();
    59      Logger l = Logger.getLogger("x");
    60      l.addAppender(ta);
    61      Thread t = new ReadThread();
    62      t.start();
    63      Thread.sleep(200);
    64      l.info("hi");
    65      Thread.sleep(1000);
    66      ta.close();
    67      Thread.sleep(200);
    68      t.interrupt();
    69      t.join();
    70      String s = bo.toString();
    71      assertTrue(s.endsWith("INFO - hi"));
    72      assertEquals(oldActive, Thread.activeCount());
    73    }
    74
    75  }