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SocketServerTestCase.java

/*
 * Copyright 1999,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.log4j.net;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.apache.log4j.*;
import org.apache.log4j.Logger;
import org.apache.log4j.NDC;
import org.apache.log4j.util.*;
import org.apache.log4j.xml.XLevel;


/**
 * 
 * @author  Ceki G&uuml;lc&uuml;
*/
public class SocketServerTestCase extends TestCase {
  static String TEMP = "output/temp";
  static String FILTERED = "output/filtered";

  // %5p %x [%t] %c %m%n
  // DEBUG T1 [main] org.apache.log4j.net.SocketAppenderTestCase Message 1
  static String PAT1 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) T1 \\[main]\\ "
    + ".* Message \\d{1,2}";

  // DEBUG T2 [main] ? (?:?) Message 1
  static String PAT2 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) T2 \\[main]\\ "
    + "\\? \\(\\?:\\?\\) Message \\d{1,2}";

  // DEBUG T3 [main] org.apache.log4j.net.SocketServerTestCase (SocketServerTestCase.java:121) Message 1
  static String PAT3 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) T3 \\[main]\\ "
    + "org.apache.log4j.net.SocketServerTestCase "
    + "\\(SocketServerTestCase.java:\\d{3}\\) Message \\d{1,2}";

  // DEBUG some T4 MDC-TEST4 [main] SocketAppenderTestCase - Message 1   
  // DEBUG some T4 MDC-TEST4 [main] SocketAppenderTestCase - Message 1 
  static String PAT4 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) some T4 MDC-TEST4 \\[main]\\"
    + " (root|SocketServerTestCase) - Message \\d{1,2}";
  static String PAT5 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) some5 T5 MDC-TEST5 \\[main]\\"
    + " (root|SocketServerTestCase) - Message \\d{1,2}";
  static String PAT6 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) some6 T6 client-test6 MDC-TEST6"
    + " \\[main]\\ (root|SocketServerTestCase) - Message \\d{1,2}";
  static String PAT7 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) some7 T7 client-test7 MDC-TEST7"
    + " \\[main]\\ (root|SocketServerTestCase) - Message \\d{1,2}";

  // DEBUG some8 T8 shortSocketServer MDC-TEST7 [main] SocketServerTestCase - Message 1
  static String PAT8 =
    "^(DEBUG| INFO| WARN|ERROR|FATAL|LETHAL) some8 T8 shortSocketServer"
    + " MDC-TEST8 \\[main]\\ (root|SocketServerTestCase) - Message \\d{1,2}";
  static String EXCEPTION1 = "java.lang.Exception: Just testing";
  static String EXCEPTION2 = "\\s*at .*\\(.*:\\d{1,4}\\)";
  static String EXCEPTION3 = "\\s*at .*\\(Native Method\\)";
  static Logger logger = Logger.getLogger(SocketServerTestCase.class);
  public static final int PORT = 12073;
  static Logger rootLogger = Logger.getRootLogger();
  SocketAppender socketAppender;

  public SocketServerTestCase(String name) {
    super(name);
  }

  public void setUp() {
    System.out.println("Setting up test case.");
  }

  public void tearDown() {
    System.out.println("Tearing down test case.");
    socketAppender = null;
    rootLogger.removeAllAppenders();
  }

  /**
   * The pattern on the server side: %5p %x [%t] %c %m%n
   *
   * We are testing NDC functionality across the wire.
   */
  public void test1() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    rootLogger.addAppender(socketAppender);
    common("T1", "key1", "MDC-TEST1");
    delay(1);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT1, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });

    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.1"));
  }

  /**
   * The pattern on the server side: %5p %x [%t] %C (%F:%L) %m%n
   *
   * We are testing NDC across the wire. Localization is turned off by
   * default so it is not tested here even if the conversion pattern
   * uses localization. */
  public void test2() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    rootLogger.addAppender(socketAppender);

    common("T2", "key2", "MDC-TEST2");
    delay(1);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT2, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });

    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.2"));
  }

  /**
   *  The pattern on the server side: %5p %x [%t] %C (%F:%L) %m%n
   *  meaning that we are testing NDC and locatization functionality
   *  across the wire.  */
  public void test3() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);
    rootLogger.addAppender(socketAppender);

    common("T3", "key3", "MDC-TEST3");
    delay(1);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT3, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });

    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.3"));
  }

  /**
   *  The pattern on the server side: %5p %x %X{key1}%X{key4} [%t] %c{1} - %m%n
   *  meaning that we are testing NDC, MDC and localization functionality across
   *  the wire.
  */
  public void test4() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);
    rootLogger.addAppender(socketAppender);

    NDC.push("some");
    common("T4", "key4", "MDC-TEST4");
    NDC.pop();
    delay(1);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT4, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });

    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.4"));
  }

  /**
   * The pattern on the server side: %5p %x %X{key1}%X{key5} [%t] %c{1} - %m%n
   *
   * The test case uses wraps an AsyncAppender around the
   * SocketAppender. This tests was written specifically for bug
   * report #9155.

   * Prior to the bug fix the output on the server did not contain the
   * MDC-TEST5 string because the MDC clone operation (in getMDCCopy
   * method) operation is performed twice, once from the main thread
   * which is correct, and a second time from the AsyncAppender's
   * dispatch thread which is incrorrect.

   */
  public void test5() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);

    AsyncAppender asyncAppender = new AsyncAppender();
    asyncAppender.setLocationInfo(true);
    asyncAppender.addAppender(socketAppender);
    rootLogger.addAppender(asyncAppender);

    NDC.push("some5");
    common("T5", "key5", "MDC-TEST5");
    NDC.pop();
    delay(2);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT5, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });
    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.5"));
  }

  /**
   * The pattern on the server side: %5p %x %X{hostID}${key6} [%t] %c{1} - %m%n
   *
   * This test checks whether client-side MDC overrides the server side.
   * It uses an AsyncAppender encapsulating a SocketAppender
   */
  public void test6() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);

    AsyncAppender asyncAppender = new AsyncAppender();
    asyncAppender.setLocationInfo(true);
    asyncAppender.addAppender(socketAppender);
    rootLogger.addAppender(asyncAppender);

    NDC.push("some6");
    MDC.put("hostID", "client-test6");
    common("T6", "key6", "MDC-TEST6");
    NDC.pop();
    MDC.remove("hostID");
    delay(2);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT6, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });
    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.6"));
  }

  /**
   * The pattern on the server side: %5p %x %X{hostID}${key7} [%t] %c{1} - %m%n
   *
   * This test checks whether client-side MDC overrides the server side.
   */
  public void test7() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);
    rootLogger.addAppender(socketAppender);

    NDC.push("some7");
    MDC.put("hostID", "client-test7");
    common("T7", "key7", "MDC-TEST7");
    NDC.pop();
    MDC.remove("hostID");
    delay(2);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT7, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });
    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.7"));
  }

  /**
   * The pattern on the server side: %5p %x %X{hostID}${key7} [%t] %c{1} - %m%n
   *
   * This test checks whether server side MDC works.
   */
  public void test8() throws Exception {
    socketAppender = new SocketAppender("localhost", PORT);
    socketAppender.setLocationInfo(true);
    rootLogger.addAppender(socketAppender);

    NDC.push("some8");
    common("T8", "key8", "MDC-TEST8");
    NDC.pop();
    delay(2);

    ControlFilter cf =
      new ControlFilter(
        new String[] { PAT8, EXCEPTION1, EXCEPTION2, EXCEPTION3 });

    Transformer.transform(
      TEMP, FILTERED,
      new Filter[] { cf, new LineNumberFilter(), 
          new JunitTestRunnerFilter(),
          new SunReflectFilter() });
    assertTrue(Compare.compare(FILTERED, "witness/net/socketServer.8"));
  }

  static void common(String dc, String key, String o) {
    int i = -1;
    NDC.push(dc);
    MDC.put(key, o);

    Logger root = Logger.getRootLogger();

    logger.log(XLevel.TRACE, "Message " + ++i);
    logger.debug("Message " + ++i);
    root.debug("Message " + ++i);
    logger.info("Message " + ++i);
    logger.warn("Message " + ++i);
    logger.log(XLevel.LETHAL, "Message " + ++i); //5

    Exception e = new Exception("Just testing");
    logger.debug("Message " + ++i, e);
    root.error("Message " + ++i, e);
    NDC.pop();
    MDC.remove(key);
  }

  public void delay(int secs) {
    try {
      Thread.sleep(secs * 1000);
    } catch (Exception e) {
    }
  }

  public static Test XXsuite() {
    TestSuite suite = new TestSuite();
    suite.addTest(new SocketServerTestCase("test1"));
    suite.addTest(new SocketServerTestCase("test2"));
    suite.addTest(new SocketServerTestCase("test3"));
    suite.addTest(new SocketServerTestCase("test4"));
    suite.addTest(new SocketServerTestCase("test5"));
    suite.addTest(new SocketServerTestCase("test6"));
    suite.addTest(new SocketServerTestCase("test7"));
    suite.addTest(new SocketServerTestCase("test8"));

    return suite;
  }
}
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