Question

我正在尝试逐步优化我从互联网上获得的示例。因此，我从单元测试开始。我想用SpringBoot和Mockito编写单元测试，就像这里的https://spring.io/guides/gs/testing-web/所示的最后一个例子。

在我的代码中，我有一个控制器，一个DAO和一个服务。我想对控制器的2种方法进行单元测试，例如一个带有POST，另一个带有PUT。但是以某种方式没有提交内容。

我要进行单元测试的控制器方法：

@PostMapping("/article")
public ResponseEntity<Void> addArticle(@RequestBody Article article, UriComponentsBuilder builder) {
    boolean isArticleAdded = articleService.addArticle(article);

    if (isArticleAdded == false) {
        return new ResponseEntity<Void>(HttpStatus.CONFLICT);
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setLocation(builder.path("/article/{id}").buildAndExpand(article.getArticleId()).toUri());
    return new ResponseEntity<Void>(headers, HttpStatus.CREATED);
}

@PutMapping("/article/{id}")
public ResponseEntity<Article> updateArticle(@PathVariable Integer id, @RequestBody Article article) {
    boolean isArticleUpdated = articleService.updateArticle(id, article);

    if (!isArticleUpdated) {
        return new ResponseEntity<Article>(HttpStatus.CONFLICT);
    }
    article.setArticleId(id);
    return new ResponseEntity<Article>(article, HttpStatus.OK);
}

服务中的相应方法：

@Override
public synchronized boolean addArticle(Article article){
            if (articleDAO.articleExists(article.getTitle(), article.getCategory())) {
                return false;
            } else {
                articleDAO.addArticle(article);
                return true;
            }
}


@Override
public boolean updateArticle(Integer articleID, Article article) {
    if (articleDAO.articleExists(article.getTitle(), article.getCategory())) {
        return false;
    } else {
        articleDAO.updateArticle(articleID, article);
        return true;            
    }
}

我已经优化的存储库中的代码：

@Override
public void addArticle(Article article) {
    articleRepo.save(article);

}

@Override
public void updateArticle(int articleID, Article article) {
    articleRepo.findById(articleID)
               .map(artcl -> {
                               artcl.setTitle(article.getTitle());
                               artcl.setCategory(article.getCategory());
                               return articleRepo.save(artcl);
                              })
               .orElseGet(() ->  articleRepo.save(article));
}

和我的测试：

@RunWith(SpringRunner.class)
@WebMvcTest(ArticleController.class)
public class WeblayerTests {

    private static Logger log = LoggerFactory.getLogger(WeblayerTests.class);

    @Autowired
    private MockMvc mockMvc;

    @MockBean
    private ArticleService articleServ;


@Test
public void testUpdateArticles() throws Exception {
    Article article = new Article(2, "Spring Boot and Docker", "Docker");
    when(articleServ.updateArticle(2, article)).thenReturn(true);


    mockMvc.perform(MockMvcRequestBuilders.put("/article/2").accept(MediaType.APPLICATION_JSON_UTF8_VALUE)
                                                                .content(asJSONString(article)))
             .andDo(MockMvcResultHandlers.print())
             .andExpect(MockMvcResultMatchers.status().isOk());
}

@Test
public void testAddArticles() throws Exception {
    Article article = new Article(2, "Spring Boot and Docker", "Docker");
    when(articleServ.addArticle( article)).thenReturn(true);

    log.info("the JSON-String: {}", asJSONString(article));    
    mockMvc.perform(MockMvcRequestBuilders.post("/articles").content(asJSONString(article)))
             .andDo(MockMvcResultHandlers.print())
             .andExpect(MockMvcResultMatchers.status().isOk());
}

public static String asJSONString(final Object obj) {
    try {
        return new ObjectMapper().writeValueAsString(obj);
    } catch (JsonProcessingException e) {
        log.error(e.getMessage());
        throw new RuntimeException();
    }
}

但是由于内容主体未提交，所以某种程度上测试失败了。在控制台上，我收到以下请求：

MockHttpServletRequest:
  HTTP Method = POST
  Request URI = /articles
   Parameters = {}
      Headers = []
         Body = <no character encoding set>
Session Attrs = {}


MockHttpServletRequest:
  HTTP Method = PUT
  Request URI = /article/2
   Parameters = {}
      Headers = [Accept:"application/json;charset=UTF-8"]
         Body = <no character encoding set>
Session Attrs = {}

我做错了什么？谢谢你的帮助

为什么我的嘲讽MVC不提交任何内容？

0 个答案: