项目springmvc + mybatis,用maven搭的框架,现在要对controller层进行单元测试,
请问怎么测,给下思路?其他方法都是用junit来测,现在controller是不是要模拟HTTP请求。
研究了下mokito等测试框架,弄不出来。谢谢!
sprinmvc 怎么进行单元测试?
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- a415613911 2015-06-16 09:30关注
mock主要是帮助你模拟一些不容易被构建的函数、类或者接口。我这有个简单的小例子,你可以参考。我用easymock测试 ,官网:http://www.easymock.org/
被测试类:
package controller;import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;import po.User;
import service.UserService;@Controller
public class UserController{@Autowired private UserService userService; public void setUserService(UserService userService) { this.userService = userService; } @RequestMapping(value="getUser") public void handleRequest(HttpServletRequest request,HttpServletResponse response) throws IOException{ String id = request.getParameter("id"); if(StringUtils.isBlank(id)){ response.getWriter().write("1"); return; } User user = null; try{ user = userService.getUserById(Long.valueOf(id)); }catch(RuntimeException e){ } if(user == null){ response.getWriter().write("2"); return; } response.getWriter().write(user.getName()); }
}
测试代码:
package controller;import static org.junit.Assert.*;
import java.io.IOException;
import java.io.PrintWriter;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import static org.easymock.EasyMock.*;
import org.easymock.IMocksControl;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;import po.User;
import service.UserService;public class UserControllerTest {
private HttpServletRequest request;
private HttpServletResponse response;
private PrintWriter pw;
private UserController uc;
private IMocksControl ic;
private UserService userService;@Before public void setUp(){ uc = new UserController(); ic = createControl(); request = ic.createMock(HttpServletRequest.class); response = ic.createMock(HttpServletResponse.class); pw = ic.createMock(PrintWriter.class); userService = ic.createMock(UserService.class); uc.setUserService(userService); } @After public void tearDown(){ ic.verify(); } @Test public void testIdIsNull() throws IOException { expect(request.getParameter("id")).andReturn(null); expect(response.getWriter()).andReturn(pw); pw.write("1"); expectLastCall().once(); ic.replay();; uc.handleRequest(request, response); } @Test public void testThrowException() throws IOException { expect(request.getParameter("id")).andReturn("1"); expect(userService.getUserById(1)).andThrow(new RuntimeException()); expect(response.getWriter()).andReturn(pw); pw.write("2"); expectLastCall().once(); ic.replay();; uc.handleRequest(request, response); } @Test public void test() throws IOException { expect(request.getParameter("id")).andReturn("1"); User user = new User(1, "fuhaiq"); expect(userService.getUserById(1)).andReturn(user); expect(response.getWriter()).andReturn(pw); pw.write(user.getName()); expectLastCall().once(); ic.replay();; uc.handleRequest(request, response); }
}
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