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如前一篇文章( 《spring boot web api》 )所述,spring boot项目里提供web api非常方便。而作为开发人员,自己写的api,首先要自己先测试一轮,通过才能给其他人调用。API就是用来调用的,所以沟通、测试显得特别重要。
程序员测试,当然是单元测试了。下面是一个完整的单元测试代码。待测试的API是POST访问方式的api,有两个:一个提交参数格式为json,一个为键值对。
import api.entity.Author; import api.entity.EnumSex; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectWriter; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.http.MediaType; import org.springframework.test.context.junit4.SpringRunner; import org.springframework.test.web.servlet.MockMvc; import org.springframework.test.web.servlet.request.MockMvcRequestBuilders; import org.springframework.test.web.servlet.result.MockMvcResultMatchers; import org.springframework.test.web.servlet.setup.MockMvcBuilders; import org.springframework.web.context.WebApplicationContext; import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print; @RunWith(SpringRunner.class) @SpringBootTest public class MyTest { @Autowired private WebApplicationContext wac; private MockMvc mockMvc; @Before public void setUp() { mockMvc = MockMvcBuilders.webAppContextSetup(wac).build(); } @After public void after() throws Exception { mockMvc = null; } @Test public void testJson() throws Exception {//测试提交参数为JSON格式 Author req = new Author();//Author是自定义的类 req.setName("chenqu"); req.setDesc("foolish"); req.setSex(EnumSex.Male); ObjectMapper mapper = new ObjectMapper(); ObjectWriter ow = mapper.writer().withDefaultPrettyPrinter(); java.lang.String requestJson = ow.writeValueAsString(req); mockMvc.perform(MockMvcRequestBuilders.post("/api/authors/json/1?t=108") .contentType(MediaType.APPLICATION_JSON).content(requestJson)) .andDo(print()) .andExpect(MockMvcResultMatchers.status().isOk()) .andReturn().getResponse().getContentAsString(); System.out.println("ok!!!"); } @Test public void testKv() throws Exception {//测试提交参数为键值对格式 Author req = new Author(); req.setName("chenqu"); req.setDesc("foolish"); req.setSex(EnumSex.Male); ObjectMapper mapper = new ObjectMapper(); ObjectWriter ow = mapper.writer().withDefaultPrettyPrinter(); java.lang.String requestJson = ow.writeValueAsString(req); mockMvc.perform(MockMvcRequestBuilders.post("/api/authors/kv/1?t=108") .contentType(MediaType.APPLICATION_FORM_URLENCODED).content(requestJson)) .andDo(print()) .andExpect(MockMvcResultMatchers.status().isOk()) .andReturn().getResponse().getContentAsString(); System.out.println("ok!!!"); } }
附API:
@RestController @RequestMapping(value="/api") public class ApiController { //提交的参数为json @RequestMapping(value = "/authors/json/{id}", method = RequestMethod.POST) public String test(@PathVariable int id, @RequestParam("t") int type,@RequestBody Author auth){ return String.format("id:%1$d,type:%2$d,name:%3$s;params type:json",id,type,auth.getName()); } //提交的参数为键值对 @RequestMapping(value = "/authors/kv/{id}", method = RequestMethod.POST) public String test2(@PathVariable int id, @RequestParam("t") int type,Author auth){ return String.format("id:%1$d,type:%2$d,name:%3$s;params type:key-value",id,type,auth.getName()); } }