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1 cactus测试的原理 看下面这张图,这是一个测试工具Cactus测试Servlet的过程,而在过去测试Servlet是很麻烦的。 1.首先,JUnit测试器执行YYYTestCase.runTest(),这个函数找到beginXXX(WebRequest)执行它,这个过程发生在客户端。WebRequest作为参数,它包含了哀求的HTTP头、HTTP参数,它将被传送到第2步的重定向代理器中。 2.YYYTestCase.runTest()建立一个到重定向代理器的HTTP链接. 上一步的WebRequest传了过去。 3.从客户端来看,重定向代理器似乎是在服务器运行相同。这意味着你的测试用例类将被实例两次:一次是在客户端(被JUnit测试器实例),另一次是在服务器端(被重定向代理器实例)。客户端的实例用来执行beginXXX()和endXXX()函数,服务器端实例用来执行第4步中的testXXX()函数。 4.setUp(), testXXX()和tearDown()被依次执行,它们被重定向代理器以reflection机制执行。当然,setUp()和tearDown()是可选的(就像在JUnit里相同)。 5.你的testXXX()将调用服务器端代码测试,并使用JUnit的断言API来观察执行效果(如assert(), assertEquals(), fail(), ...) 6.假如测试失败,你的testXXX()函数抛出的非常将被重定向代理器捕捉。 7.假如出现非常,重定向代理器返回它的信息(包含名字,类,栈顶数据)到客户端,然后非常信息将显示在JUnit的测试器上。 8.假如没有非常产生,YYYTestCase.runTest()函数则找到endXXX(org.apache.cactus.WebResponse)或endXXX(com.meterware.httpunit.WebResponse) 函数执行。在全过程中,你有机会在endXXX()函数检查HTTP头,Cookies以及servlet的输出流。 2.cactus 的安装 文件下载地址: http://www.javaresearch.org/oss/download/cactus/jakarta-cactus-12-1.6.1.zip 使用方法: 解压压缩包后将lib文件夹下的全部JAR添加到相关项目目录(为保证确认,可以将路径同时添加到classpath中),配置cactus.properties文件,修改cactus.contextURL值为所在webapp的起始路径,同时将该文件放置到classpath路径中 如例: # Configuration file for Cactus. # Each project using Cactus need to have such a file put in the client side # CLASSPATH (Meaning the directory containgin this file should be in the client # side CLASSPATH, not the file itself of course ... :) ) # Defines the URLs that will be used by Cactus to call it\\\'s redirectors # (Servlet and JSP). You need to specify in these URLs the webapp context # that you use for your application. In the example below, the context is # "test". cactus.contextURL = http://localhost:8080/Fund_Cafe cactus.servletRedirectorName = ServletRedirector cactus.enableLogging=true 修改WEB应用下web.xml文件添加相应的SERVLET映射 如例; <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app> <servlet> <servlet-name>TS</servlet-name> <servlet-class>jp.co.abic.wam.startmenu.ForwardLauncher</servlet-class> <init-param> <param-name>debug</param-name> <param-value>2</param-value> </init-param> <init-param> <param-name>WAM_HOME</param-name> <param-value>D:/Fund_Cafe/conf</param-value> </init-param> <init-param> <param-name>FORWARD_SERVLET</param-name> <param-value>TS2</param-value> </init-param> <load-on-startup>2</load-on-startup> </servlet> <servlet> <servlet-name>TS2</servlet-name> <servlet-class>jp.co.abic.wam.WAMServlet</servlet-class> <init-param> <param-name>debug</param-name> <param-value>2</param-value> </init-param> <init-param> <param-name>WAM_HOME</param-name> <param-value>D:/Fund_Cafe/conf</param-value> </init-param> <load-on-startup>2</load-on-startup> </servlet> <servlet> <servlet-name>ServletRedirector</servlet-name> <servlet-class>org.apache.cactus.server.ServletTestRedirector</servlet-class> </servlet> <servlet-mapping> <servlet-name>ServletRedirector</servlet-name> <url-pattern>/ServletRedirector</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>TS</servlet-name> <url-pattern>/TS</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>TS2</servlet-name> <url-pattern>/TS2</url-pattern> </servlet-mapping> <resource-ref> <description>Oracle DataSource example</description> <res-ref-name>oraclePool</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> </web-app> 3.实际举例 被测试类: ForwardLauncher 测试类: Test 测试条件1:B=9914,S=123456789,ServerID=AA, BHD0001=1,E=0(程序正常路径,显示选择菜单) 测试条件2:B=9914(程序非常路径,显示发生错误的页面) Test类内容如下: package jp.co.abic.wam; import java.io.IOException; import javax.servlet.ServletException; import jp.co.abic.wam.startmenu.ForwardLauncher; import org.apache.cactus.ServletTestCase; import org.apache.cactus.WebRequest; import org.apache.cactus.WebResponse; /** * @author sfluo * * TODO To change the template for this generated type comment go to * Window - Preferences - Java - Code Style - Code Templates */ public class Test extends ServletTestCase { ForwardLauncher wamServlet=new ForwardLauncher(); public static void main(String[] args) { junit.textui.TestRunner.run(Test.class); } /* * @see TestCase#setUp() */ protected void setUp() throws Exception { config.setInitParameter("FORWARD_SERVLET","TS2"); wamServlet.init(config); } /* * @see TestCase#tearDown() */ protected void tearDown() throws Exception { super.tearDown(); } /* * Class under test for void doGet(HttpServletRequest, HttpServletResponse) */ public void beginDoGetHttpServletRequestHttpServletResponseA(WebRequest theRequest){ theRequest.addParameter("B", "9914"); theRequest.addParameter("S", "123456789"); theRequest.addParameter("ServerID", "AA"); theRequest.addParameter("BHD0001", "1"); theRequest.addParameter("E", "0"); } public final void testDoGetHttpServletRequestHttpServletResponseA() { try { wamServlet.doGet(request,response); } catch (ServletException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } //TODO Implement doGet(). } public final void endDoGetHttpServletRequestHttpServletResponseA(WebResponse theResponse){ System.out.print(theResponse.getText()); } public void beginDoGetHttpServletRequestHttpServletResponseB(WebRequest theRequest){ theRequest.addParameter("B", "9914"); } public final void testDoGetHttpServletRequestHttpServletResponseB() { try { wamServlet.doGet(request,response); } catch (ServletException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } //TODO Implement doGet(). } public final void endDoGetHttpServletRequestHttpServletResponseB(WebResponse theResponse){ System.out.print(theResponse.getText()); } } 具体的api请参照相关的文档,在文件目录下均存在 返回类别: 教程 上一教程: 给Eclipse3安装Lomboz插件 下一教程: 利用JAVA生成JPG缩略图 您可以阅读与"Java单体测试工具cactus使用指南"相关的教程: · java访问com组件_jacob使用指南 · [个人原创]JAVA 开发工具Jcreator使用技巧总结 · 迅速开发时可以使用的JAVA文件工具方式 · 使用hibernate扩展工具hbm2java根据配置文件生成持久化对象类(2.1.2) · JDOM 介绍及使用指南 |
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