SpringMVC单元测试

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分页Controller

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.atguigu.bean.Employee;
import com.atguigu.service.EmployeeService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;

@Controller
public class EmployeeController {
	
	@Autowired
	private EmployeeService employeeService;
	
	@RequestMapping("/emps")
	public String getEmps(@RequestParam(value="pn",defaultValue="1") Integer pn,Model model) {
		
//		System.out.println("employeeService==" + employeeService);
//		System.out.println("pn===" + pn );
		//引入PageHelper插件
		PageHelper.startPage(pn, 5);
		//startPage后面紧跟的这个查询就是一个分页查询
		List<Employee> emps = employeeService.getAll();
//		System.out.println("emps===" + emps);
		//使用pageInfo包装查询后的结果,只需要将pageInfo交给页面就可以了
		//封装了详细的分页信息,包括有我们查询出来的数据,传入连续显示的页数
		PageInfo<Employee> pageInfo = new PageInfo<Employee>(emps,5);
		model.addAttribute("pageInfo", pageInfo);
		return "list";
	}
}

import java.util.List;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

import com.atguigu.bean.Employee;
import com.github.pagehelper.PageInfo;

/**
 * 使用Spring测试模块提供的测试来测试请求功能
 * 测试crud的正确性
 * @author MaJiatao
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration ({"classpath*:applicationContext.xml","classpath*:springmvc.xml"})
public class MvcTest {
	//传入SpringMVC的ioc
	@Autowired
	WebApplicationContext context;
	//虚拟mvc请求,获取到处理结果
	MockMvc mockMvc;
	
	@Before
	public void initMockMvc() {
		mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
//		System.out.println("mockMvc====" + mockMvc);
	}
	
	@Test
	public void testPage() throws Exception {
		MvcResult result = mockMvc.perform(MockMvcRequestBuilders.get("/emps").param("pn", "1")).andReturn();
		//请求成功后,请求域中会有pageInfo,我们可以取出pageInfo进行验证
//		System.out.println("result===" + result);
		MockHttpServletRequest request = result.getRequest();
		PageInfo pageInfo = (PageInfo) request.getAttribute("pageInfo");
		System.out.println("当前页码：" + pageInfo.getPageNum());
		System.out.println("总页码数：" + pageInfo.getPages());
		System.out.println("总记录数：" + pageInfo.getTotal());
		System.out.print("在页面需要连续显示的页码：" );
		int[] nums = pageInfo.getNavigatepageNums();
		for (int i : nums) {
			System.out.print(i + " ");
		}
		System.out.println();
		System.out.println("获取的员工数据：");
		List<Employee> list = pageInfo.getList();
		for (Employee employee : list) {
			System.out.println(employee);
		}
	}
}