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编写单元测试时我们都习惯性减少重复代码

以下基于spring mvc框架，需要手动pom导包

BaseTest类用于启动上下文进行debug调试

MockBaseTset类用于不启动上下文进行打桩mock

pom.xml

      <dependency><groupId>org.mockito</groupId><artifactId>mockito-all</artifactId><version>1.9.5</version><scope>test</scope></dependency><dependency><groupId>org.powermock</groupId><artifactId>powermock-api-mockito</artifactId><version>1.6.1</version><scope>test</scope></dependency><dependency><groupId>org.powermock</groupId><artifactId>powermock-module-junit4</artifactId><version>1.6.1</version><scope>test</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version> 4.2.5.RELEASE</version><scope>test</scope><exclusions><exclusion><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId></exclusion></exclusions></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><scope>test</scope></dependency>

BaseTest.java

import com.thinkive.gateway.v2.result.Result;
import org.codehaus.jackson.map.ObjectMapper;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.springframework.http.HttpHeaders;
import org.springframework.test.context.ContextConfiguration;
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.result.MockMvcResultMatchers;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;import java.util.HashMap;
import java.util.Map;/*** @description: 单元测试基类*/@RunWith(SpringJUnit4ClassRunner.class)
//解决@Slf4j报错
@PowerMockIgnore({"javax.script.*","javax.management.*"}) 
@ContextConfiguration({"classpath*:dubbo_cfg/*.xml", "classpath*:spring-cfg.xml"})
//不用启动 Servlet 容器，就可以获取一个 Web 应用上下文
@WebAppConfiguration  
public class BaseTest extends Mockito{private static final ObjectMapper MAPPER = new ObjectMapper();protected Map<String,String> params = new HashMap<>();protected Map<String,String> headers = new HashMap<>();protected  MockMvc mockMvc;protected String prefix;/*** POST请求* @param url* @throws Exception*/protected JsonResult postHttp(String url) throws Exception {MultiValueMap<String, String> multiValueParamMap = new LinkedMultiValueMap<>();if (params.size() > 0) {multiValueParamMap.setAll(params);}HttpHeaders httpHeaders = new HttpHeaders();if (headers.size() > 0) {for (String key : headers.keySet()) {httpHeaders.set(key, headers.get(key));}}params.clear();MvcResult mvcResult = mockMvc.perform(MockMvcRequestBuilders.post(prefix + url).params(multiValueParamMap).headers(httpHeaders)).andExpect(MockMvcResultMatchers.status().isOk()).andReturn();mvcResult.getResponse().setCharacterEncoding("UTF-8");mvcResult.getResponse().setContentType("application/json;charset=UTF-8");String result = mvcResult.getResponse().getContentAsString();return MAPPER.readValue(result, JsonResult.class);}/*** GET请求* @param url url后缀* @return JsonResult* @throws Exception*/protected JsonResult getHttp(String url) throws Exception {MultiValueMap<String, String> multiValueParamMap = new LinkedMultiValueMap<>();if (params.size() > 0) {multiValueParamMap.setAll(params);}HttpHeaders httpHeaders = new HttpHeaders();if (headers.size() > 0) {for (String key : headers.keySet()) {httpHeaders.set(key, headers.get(key));}}MvcResult mvcResult = mockMvc.perform(MockMvcRequestBuilders.get(prefix + url).params(multiValueParamMap).headers(httpHeaders)).andExpect(MockMvcResultMatchers.status().isOk()).andReturn();mvcResult.getResponse().setCharacterEncoding("UTF-8");mvcResult.getResponse().setContentType("application/json;charset=UTF-8");String result = mvcResult.getResponse().getContentAsString();return MAPPER.readValue(result, JsonResult.class);}}

MockBaseTest.java

@RunWith(MockitoJUnitRunner.class)
@ActiveProfiles("dev")
@PowerMockIgnore("javax.management.*")
public class MockBaseTest extends BaseTest{}

示例：

public class CustControllerTest extends MockBaseTest {@InjectMocks //用于创建一个实例，调用真实的方法private CustController custController;@Mockprivate CustService custService;@Beforepublic void init(){this.prefix = "/api/cust";//MockitoAnnotations.initMocks(this);//初始化MVCthis.mockMvc = MockMvcBuilders.standaloneSetup(custController).build();}@Testpublic void testInfoList() throws Exception{CustInfo custInfo = new CustInfo();custInfo.setIdNo("4304221955xxxxxxxx");when(custService.findCustInfo(anyLong())).thenReturn(custInfo);//添加请求参数params.put("id","1");//发送post请求JsonResult jsonResult = postHttp("/info");String idNo = (List<Map>)((Map)jsonResult.get("info")).get("idNo");Assert.assertNotNull(idNo);Assert.assertEquals(custInfo.getIdNo(),idNo);}}