JUnit学习笔记-5 HttpUnit介绍
HttpUnit是一个能模拟WEB浏览器功能的工具，能和junit一同来测试页面。
这个框架简单好用，能测试页面内容，模拟、修改、提交表单，测试超链接等。

下面是一个测试类，举了一些常用的测试例子。这些例子也是httpunit官网上的例子。

package com.yuchujin;import java.io.IOException;import junit.framework.Assert;import org.junit.Test;import org.xml.sax.SAXException;import com.meterware.httpunit.GetMethodWebRequest;import com.meterware.httpunit.PostMethodWebRequest;import com.meterware.httpunit.WebConversation;import com.meterware.httpunit.WebForm;import com.meterware.httpunit.WebLink;import com.meterware.httpunit.WebRequest;import com.meterware.httpunit.WebResponse;import com.meterware.httpunit.WebTable;public class WebTest {/** * 测试URL是否有返回response。可用来测试URL地址存在和服务是否存在等。 */@Testpublic void testWebExists(){//核心类，用来模拟一个浏览器的操作，相当于拥有了一个浏览器WebConversation web = new WebConversation();try {//使用URL字符串地址作为参数，测试服务是否开启。//geResponse获得返回的responseweb.getResponse("http://localhost:8080/HttpUnitProject");} catch (IOException e) {e.printStackTrace();} catch (SAXException e) {e.printStackTrace();}}/** * 使用WebRequest作为参数测试服务是否开启。 */@Testpublic void testWebExists2(){WebConversation web = new WebConversation();//使用GET方法创建request对象WebRequest request = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject");try {web.getResponse(request);} catch (Exception e) {e.printStackTrace();}}/** * 测试response中的内容 */@Testpublic void testWebContent(){WebConversation web = new WebConversation();//使用GET方法创建request对象WebRequest request = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject/index.jsp");try {WebResponse response = web.getResponse(request);//显示response中的html内容System.out.println(response.getText());} catch (Exception e) {e.printStackTrace();}}/** * 测试带参数的request */@Testpublic void testWebContentWithParamenter(){WebConversation web = new WebConversation();WebRequest request = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject/index.jsp");//使用reuqest的setParameter方法可以为生成的request添加参数request.setParameter("username", "yuchujin");try {WebResponse response = web.getResponse(request);System.out.println(response.getText());} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试页面的跳转 */@Testpublic void testWebRedirectSuccess(){WebConversation web = new WebConversation();//生成POST的requestWebRequest request = new PostMethodWebRequest("http://localhost:8080/HttpUnitProject/validate.jsp");//使用reuqest的setParameter方法可以为生成的request添加参数request.setParameter("username", "ycj");request.setParameter("password", "123");try {WebResponse response = web.getResponse(request);String expectedURL = "http://localhost:8080/HttpUnitProject/success.jsp";Assert.assertEquals("validate fail",expectedURL, response.getURL().toString());} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试页面跳转失败 */@Testpublic void testWebRedirectFail(){WebConversation web = new WebConversation();WebRequest request = new PostMethodWebRequest("http://localhost:8080/HttpUnitProject/validate.jsp");//使用reuqest的setParameter方法可以为生成的request添加参数request.setParameter("username", "ycj");request.setParameter("password", "321");try {WebResponse response = web.getResponse(request);String expectedURL = "http://localhost:8080/HttpUnitProject/fail.jsp";Assert.assertEquals("validate fail",expectedURL, response.getURL().toString());} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试获得页面中的table节点 */@Testpublic void testWebTables(){WebConversation web = new WebConversation();WebRequest request = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject/table.jsp");WebResponse response = null;try {response = web.getResponse(request);//WebTable代表返回的html中的table标签封装的对象//response.getTables返回html中所有table dom对象数组WebTable tables = response.getTables()[0];Assert.assertEquals(2, tables.getColumnCount());Assert.assertEquals(3, tables.getRowCount());//获得表格中某个单元格中的文本Assert.assertEquals("male", tables.getTableCell(2, 1).getText());} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试超链接内容 */@Testpublic void testWebLink(){WebConversation web = new WebConversation();WebRequest request  = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject/linkFrom.jsp");try {WebResponse response = web.getResponse(request);//模拟html中的超链接，在页面中通过超连接的文本获得超连接的URLWebLink link = response.getLinkWith("click me to linkTo");//将超链接生成requestWebRequest linkReq = link.getRequest();//访问刚超链接页面response = web.getResponse(linkReq);Assert.assertEquals("http://localhost:8080/HttpUnitProject/linkTo.jsp",response.getURL().toString());} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试form中的内容 */@Testpublic void testWebForm(){WebConversation web = new WebConversation();WebRequest request = new GetMethodWebRequest("http://localhost:8080/HttpUnitProject/form.jsp");WebResponse response = null;try {response = web.getResponse(request);//获得Html中的form表单，HttpUnit将他封装成WebForm对象WebForm form = response.getForms()[0];//WebForm对象提供getParameterValue的方法将根据表单中的name获得对应的value,而不用管该元素的类型。Assert.assertEquals("yuchujin", form.getParameterValue("name"));Assert.assertEquals("mela", form.getParameterValue("sex"));Assert.assertEquals("high", form.getParameterValue("school"));Assert.assertEquals("on", form.getParameterValue("cj"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 测试WebForm的处理表单和提交能力 */@Testpublic void testFormSubmit(){WebConversation web = new WebConversation();WebRequest request = new PostMethodWebRequest("http://localhost:8080/HttpUnitProject/form.jsp");WebResponse response = null;try {response = web.getResponse(request);//获得Html中的form表单，HttpUnit将他封装成WebForm对象WebForm form = response.getForms()[0];//WebForm对象提供getParameterValue的方法将根据表单中的name获得对应的value,而不用管该元素的类型。Assert.assertEquals("yuchujin", form.getParameterValue("name"));Assert.assertEquals("mela", form.getParameterValue("sex"));Assert.assertEquals("high", form.getParameterValue("school"));Assert.assertEquals("on", form.getParameterValue("cj"));//对表单进行处理操作(根据name)form.setParameter("name", "zhoujianzhen");// TODO 有的元素不能够remove，比如说radio。限制只发现checkbox能删，能研究一下再修改文章。form.removeParameter("school");//提交表单 获得新的responseresponse = form.submit();Assert.assertEquals("http://localhost:8080/HttpUnitProject/handleForm.jsp", response.getURL().toString());System.out.println(response.getText());} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}