在eclipse中用jetty和cactus为servlet做单元测试

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1. 下载jetty，解压到安装目录并在eclipse中做好配置。
2. 下载cactus，将lib目录下的aspectjrt-1.5.3.jar， cactus.core.framework.uberjar.javaEE.14-1.8.0.jar， commons-httpclient-3.1.jar，commons-logging-1.1.jar，httpunit-1.6.jar，junit-3.8.2.jar解压到jetty的lib目录下。
3. 修改myapp的WEB-INF目录下的web.xml文件，添加如下内容：

<servlet>
<servlet-name>ServletRedirector</servlet-name>
<servlet-class>org.apache.cactus.server.ServletTestRedirector</servlet-class>
<init-param>
<param-name>param1</param-name>
<param-value>value1 used for testing</param-value>
</init-param>
</servlet>
<servlet>
<servlet-name>ServletTestRunner</servlet-name>
<servlet-class>org.apache.cactus.server.runner.ServletTestRunner</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ServletRedirector</servlet-name>
<url-pattern>/ServletRedirector</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ServletTestRunner</servlet-name>
<url-pattern>/ServletTestRunner</url-pattern>
</servlet-mapping>

4. 建立测试的Java文件，TestMyServlet.java

public class TestMyServlet extends ServletTestCase {
public TestMyServlet(String theName) throws Exception
{
super(theName);
System.setProperty("cactus.contextURL", "http://localhost:8080/myapp");
}
public static Test suite()
{
TestSuite suite = new TestSuite();        
suite.addTestSuite(TestMyServlet.class);
return new Jetty6xTestSetup(suite);
}
public void testMyServletInitialized()
{
MyServlet servlet = new MyServlet();
try {
servlet.init(config);
} catch (ServletException e) {
e.printStackTrace();
}
assertTrue(servlet.getInitialized());
}

5. 建立待测试的Java文件，MyServlet.java

public class MyServletextends HttpServlet {
protected static boolean initialized = false;
public void init(ServletConfig servletConfig) throws ServletException
{
super.init(servletConfig);
if (MyServlet.initialized)
return;
MyServlet.initialized = true;
}
public boolean getInitialized() {
return MyServlet.initialized;
}
}


6. 启动jetty，用junit运行测试，呵呵，绿了。