spring与junit结合测试

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对于Spring与Junit的测试，首先要在类的头部引入如下两个注解

@RunWith(SpringJUnit4ClassRunner.class)//基于JUnit4的Spring测试框架

@ContextConfiguration(location={"classpath:applicationContext.xml", "classpath:spring-mvc.xml"}//启动Spring容器

整体测试代码如下

@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = {"classpath:applicationContext.xml", "classpath:spring-mvc.xml"})
//@Transactional
//如果是true不会改变数据库数据，如果是false会改变数据
//@TransactionConfiguration(transactionManager="transactionManager",defaultRollback=false)
public class ControlBaseTest {
    @Autowired
    private WebApplicationContext wac;
    public MockMvc mockMvc;
    @Before
    public void setUp() {
        mockMvc = MockMvcBuilders.webAppContextSetup(wac).build();
    }
    public MvcResult getResult(MockHttpServletRequestBuilder requestBuilder)throws Exception{
        MvcResult result = mockMvc.perform(requestBuilder.characterEncoding("utf-8")).andReturn();
        result.getResponse().setCharacterEncoding("utf-8");
        return result;
    }
}

MockMvcBuilders可以实现测试完整的Spring MVC流程，即从URL请求到控制器处理，再到视图渲染都可以测试。

然后写测试类

public class DistrictControlTest extends ControlBaseTest{
   /**
   * 获得所有分区
   * @throws Exception
   */
   @Test
   public void findDistrictTest() throws Exception{
       MvcResult result = getResult(MockMvcRequestBuilders.get("/district/findDistrict")//请求接口
                .param("currentPage", "1").param("pageSize", "10"));//请求参数
        String resultJson = result.getResponse().getContentAsString();
        Map<String,Object> map = (Map<String,Object>)JSON.parseObject(resultJson);
        Assert.assertEquals(0,map.get("result"));//断言是否成功
   }

}

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