Junit不能用于多线程的测试吗？

　　我在为（改善学习日记的登录模式 (0篇) http://www.learndiary.com/disGoalContentAction.do?goalID=1214&naviStr=a10a60）写发送重置密码信件的测试代码时，发现测试过程中，测试代码中另一个发送邮件的线程没有执行，测试程序就结束了。

　　难道junit不能用于多线程的程序的测试吗？

　　

　　这是含发送邮件的程序：

// $Id: EmailResetPsdAction.java,v 1.8 2005/12/19 16:00:49 dashing_meng Exp $

// Copyright (c) 2004-2005 Http://www.learndiary.com. All Rights Reserved.

// Permission to use, copy, modify, and distribute this software and its

// documentation without fee, and without a written agreement is hereby

// granted, provided that the above copyright notice and this paragraph

// appear in all copies.  This software program and documentation are

// copyrighted by http://www.learndiary.com. The software program and

// documentation are supplied "AS IS", without any accompanying services

// from The LearnDiary. The LearnDiary does not warrant that the operation

// of the program will be uninterrupted or error-free. The end-user

// understands that the program was developed for research purposes and is

// advised not to rely exclusively on the program for any reason.

// IN NO EVENT SHALL HTTP://WWW.LEARNDIARY.COM BE LIABLE TO ANY PARTY FOR

// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS

// DOCUMENTATION, EVEN IF HTTP://WWW.LEARNDIARY.COM HAS BEEN ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE. HTTP://WWW.LEARNDIARY.COM SPECIFICALLY

// DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE

// SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND

// HTTP://WWW.LEARNDIARY.COM HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,

// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

package com.learndiary.website.action.account;

import java.sql.Timestamp;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.*;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionMapping;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;

import com.learndiary.website.actionform.EmailResetPsdForm;

import com.learndiary.website.manager.EmailResetPsdManager;

import com.learndiary.website.manager.EmailSender;

import com.learndiary.website.manager.UserManager;

import com.learndiary.website.model.Email;

import com.learndiary.website.model.EmailResetPsdInfo;

import com.learndiary.website.model.UserInfo;

import com.learndiary.website.util.Util;

/**

 * Process user's asking for sending resetting password token email request.

 * @author http://www.learndiary.com,LearnDiary Develop Group

 */

public class EmailResetPsdAction extends Action {

  /**

   *  Function:

   *  Process user's asking for sending resetting password token email request.

   *  Pseudo Coding:

   * 

   *  {

   *    String userName;

   *    UserInfo userInfo;

   *    int userID;

   *    UserManager userManager;

   *    EmailResetPsdManager emailResetPsdManager;

   *    EmailResetPsdInfo emailResetPsdInfo;

   *    Email email;

   * 

   *    userName=((EmailResetPsdForm)form).getUserName();//Get the userName from form

   *    userInfo= userManager. findByName(userName);//Get userInfo

   *    if (userInfo==null){

   *      forward to emailFailure.jsp;

   *    }

   *    userID=userInfo.getUserID();

   *    emailResetPsdInfo=emailResetPsdManager.findByID();// Get emailResetPsdInfo

   *    if (emailResetPsdInfo!=null){

   *      foward to emailFailure.jsp;

   *    }

   * 

   *    //set emaiResetPsdInfo

   *    emaiResetPsdInfo.setUserID(userID);

   *    emaiResetPsdInfo.setToken(com.learndiary.website.util.Util.genRandomStr());

   *    emailResetPsdInfo.setSendDate(System.getCurrentTime());

   *    emailResetPsdManager.insertResetPsdInfo(emailResetPsdInfo);//record emailResetPsdInfo

   *    //set reset passwrod email's content

   *    email.setRecipient(userInfo.getEmail());

   *    email.setSubject("your reset password request.");

   *    email.setText( "http://localhost:8080/learndiary/resetPsdAction.do?userID=" + userID + "token=" + emaiResetPsdInfo.getToken());

   *    emailSender.send(email);

   *    forward to emailSuccess.jsp;

   *  }

   * 

   * 

   *   

   */

    private org.apache.commons.logging.Log __log = LogFactory.getFactory().getInstance(this.getClass());

  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {

String myaction = mapping.getPath(); 

    __log.info("Enter action: "+myaction);

    String target=null;

    String userName=null;

    UserInfo userInfo=null;

    int userID;

    UserManager userManager=new UserManager();

    EmailResetPsdManager emailResetPsdManager=new EmailResetPsdManager();

    EmailResetPsdInfo emailResetPsdInfo=null;

    Email email=null;

    EmailSender emailSender=new EmailSender();

   

    userName=((EmailResetPsdForm)form).getUserName();//Get the userName from form

    try {

__log.debug("Before findByName,and name is: "+userName);

        userInfo= userManager.findByName(userName);//Get userInfo

__log.debug("After findByName,and userInfo is: "+userInfo);

    } catch (ClassNotFoundException e1) {

e1.printStackTrace();

    }

    if (userInfo==null){

      target=new String("failure");

  return (mapping.findForward(target));//no such a user,forward to emailFailure.jsp;

    }

    userID=userInfo.getUserID();

    __log.debug("userID: "+userID);

    try {

        emailResetPsdInfo=emailResetPsdManager.findByID(userID);// Get emailResetPsdInfo

    } catch (ClassNotFoundException e) {

e.printStackTrace();

    }

   

    __log.debug("existed emailResetPsdInfo is: " + emailResetPsdInfo);

    if (emailResetPsdInfo!=null){//user requested emailing resetting password token in 72 hours

      target=new String("failure");

  return (mapping.findForward(target));//foward to emailFailure.jsp;

    }

 

    //set emaiResetPsdInfo

emailResetPsdInfo=new EmailResetPsdInfo();

    emailResetPsdInfo.setUserID(userID);

    emailResetPsdInfo.setToken(Util.genRandomStr());

    emailResetPsdInfo.setSendTime(new Timestamp(System.currentTimeMillis()));

    __log.debug("new emailResetPsdInfo is: "+emailResetPsdInfo);

    try {

      emailResetPsdManager.insertResetPsdInfo(emailResetPsdInfo);

      __log.debug("insert emailResetPsdInfo ok!");

    } catch (Exception e2) {

      e2.printStackTrace();

    }//record emailResetPsdInfo

    //set reset passwrod email's content

    email=new Email();

    email.setRecipient(userInfo.getEmail());

    email.setSubject("Your resetting password request.");

    email.setText( "http://localhost:8080/learndiary_login/account/resetPsd.jsp?userID="

      + userID + "&token=" + emailResetPsdInfo.getToken());

    __log.debug("email is: " + email); 

    emailSender.send(email);//这里要产生另一个线程发送邮件，但在测试程序中没有执行，在正常运行时会执行

   

    target=new String("success");

return (mapping.findForward(target));//email resetting password token success,

                                     //forward to emailSuccess.jsp;

  }

 

  /**

   * process general error

   * @param e error object

  

  private void generalError(Exception e) {

    e.printStackTrace();

    __log.error(" [EmailResetPsd] Error - " + e.getMessage());

  }*/

}

这时对应的测试程序：

//$Id: EmailResetPsdActionTest.java,v 1.3 2005/12/19 16:00:49 dashing_meng Exp $

//Copyright (c) 2004-2005 Http://www.learndiary.com. All Rights Reserved.

//Permission to use, copy, modify, and distribute this software and its

//documentation without fee, and without a written agreement is hereby

//granted, provided that the above copyright notice and this paragraph

//appear in all copies.  This software program and documentation are

//copyrighted by http://www.learndiary.com. The software program and

//documentation are supplied "AS IS", without any accompanying services

//from The LearnDiary. The LearnDiary does not warrant that the operation

//of the program will be uninterrupted or error-free. The end-user

//understands that the program was developed for research purposes and is

//advised not to rely exclusively on the program for any reason.

//IN NO EVENT SHALL HTTP://WWW.LEARNDIARY.COM BE LIABLE TO ANY PARTY FOR

//DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

//INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS

//DOCUMENTATION, EVEN IF HTTP://WWW.LEARNDIARY.COM HAS BEEN ADVISED OF THE

//POSSIBILITY OF SUCH DAMAGE. HTTP://WWW.LEARNDIARY.COM SPECIFICALLY

//DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

//WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE

//SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND

//HTTP://WWW.LEARNDIARY.COM HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,

//SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

package com.learndiary.website.action.account;

import java.sql.Timestamp;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import servletunit.struts.MockStrutsTestCase;

import com.learndiary.website.actionform.EmailResetPsdForm;

import com.learndiary.website.dao.EmailResetPsdDAO;

import com.learndiary.website.dao.TransContext;

import com.learndiary.website.dao.UserDAO;

import com.learndiary.website.model.EmailResetPsdInfo;

import com.learndiary.website.model.UserInfo;

/**

 * test EmailResetPsdAction

 * @author http://www.learndiary.com, LearnDiary Develop Group

 */

public class EmailResetPsdActionTest extends MockStrutsTestCase {

Log log = LogFactory.getLog(EmailResetPsdActionTest.class.getName());

private transient TransContext globalTran = null;

UserDAO userDAO=null;

EmailResetPsdDAO emailResetPsdDAO=null;

//the contextDir can be commented by adding classpath:${web} into build.xml

//String contextDir = "E:\zhangwei\eclipse_workspace1\learndiary_login\web";

public EmailResetPsdActionTest(String testName) {

super(testName);

}

   

    /**

     * empty table "user" and "emailresetpsd";

     * insert two user:"ppig" and "tom" into table user,

     * "ppig" to test successful case,

     * "tom" to test duplicate request failure case;

     * insert a record into table emailresetpsd for

     * "tom" to test duplicate request failure case.

     * @see junit.framework.TestCase#setUp()

     */

public void setUp() throws Exception {

super.setUp();

//this.setContextDirectory(new File(contextDir));

log.debug("ahah");

globalTran = new TransContext();

userDAO = new UserDAO(globalTran);

emailResetPsdDAO=new EmailResetPsdDAO(globalTran);

//empty two tables

userDAO.deleteAll();

        emailResetPsdDAO.deleteAll();

       

        UserInfo info1=new UserInfo();//for testing successful request

info1.setUserName("ppig");

info1.setPsd("123456");

info1.setEmail("learndiary@126.com");

userDAO.insertObject(info1);

UserInfo info2=new UserInfo();//for testing duplicate request failure

info2.setUserName("tom");

info2.setPsd("223456");

info2.setEmail("tom@tom.com");

userDAO.insertObject(info2);

        int userID2=((UserInfo)userDAO.findByName("tom")).getUserID();

        

EmailResetPsdInfo emailResetPsdInfo=new EmailResetPsdInfo();

emailResetPsdInfo.setUserID(userID2);

emailResetPsdInfo.setToken("12345678");

emailResetPsdInfo.setSendTime(new Timestamp(System.currentTimeMillis()-1000*60*2));

emailResetPsdDAO.insertObject(emailResetPsdInfo);

}

   

    /**

     * empty table "user" and table "emailresetpsd"

     * @see junit.framework.TestCase#tearDown()

     */

public void tearDown() throws Exception {

super.tearDown();

        userDAO.deleteAll();

        emailResetPsdDAO.deleteAll();

}

/**

* request emailing resetting password token successfully

*/

public void testSuccess() {

// a valid request

setRequestPathInfo("/emailResetPsdAction");

EmailResetPsdForm form = new EmailResetPsdForm();

form.setUserName("ppig");

setActionForm(form);

actionPerform();

verifyForward("success");

// verifyForwardPath("/success.jsp");

// assertEquals("deryl",getSession().getAttribute("authentication"));

verifyNoActionErrors();

}

    /**

     *  request emailing resetting password token failure

     *

     */

public void testFailure() {

// fail when duplicate request

EmailResetPsdForm form = new EmailResetPsdForm();

form.setUserName("tom");

setRequestPathInfo("/emailResetPsdAction");

setActionForm(form);

actionPerform();

verifyForward("failure");

// fail when user not found

form = new EmailResetPsdForm();

form.setUserName("000000000000000");

setRequestPathInfo("/emailResetPsdAction");

setActionForm(form);

actionPerform();

verifyForward("failure");

verifyNoActionErrors();

}

public static void main(String[] args) {

junit.textui.TestRunner.run(EmailResetPsdActionTest.class);

}

}