{"id":109452,"date":"2021-03-27T15:14:00","date_gmt":"2021-03-27T13:14:00","guid":{"rendered":"https:\/\/www.javacodegeeks.com\/?p=109452"},"modified":"2021-03-26T09:17:28","modified_gmt":"2021-03-26T07:17:28","slug":"testing-the-file-upload-api-in-spring-boot","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2021\/03\/testing-the-file-upload-api-in-spring-boot.html","title":{"rendered":"Testing the File Upload API in Spring Boot"},"content":{"rendered":"

In one of my previous post<\/a>, I had created an API to upload file. In this post I will write a JUnit test to test the API. We will test the complete flow right from uploading till it is copied to the file system and then we will also see how to mock the FileService class so that the uploaded file is not copied to the file system.<\/p>\n

File Upload REST API<\/h3>\n
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@Slf4j<\/code><\/div>\n
@RestController<\/code><\/div>\n
@RequestMapping<\/code>(<\/code>\"\/api\/files\"<\/code>)<\/code><\/div>\n
public<\/code> class<\/code> FileUploadAPIController {<\/code><\/div>\n
 <\/div>\n
  <\/code>@Autowired<\/code> FileService fileService;<\/code><\/div>\n
 <\/div>\n
  <\/code>@PostMapping<\/code>(<\/code>\"\/upload\"<\/code>)<\/code><\/div>\n
  <\/code>public<\/code> ResponseEntity<?> handleFileUpload(<\/code><\/div>\n
    <\/code>@RequestParam<\/code>(<\/code>\"uploaded-file\"<\/code>) List<MultipartFile> uploadedFiles<\/code><\/div>\n
  <\/code>) <\/code>throws<\/code> IOException {<\/code><\/div>\n
    <\/code>log.debug(<\/code>\"Uploaded files size : {}\"<\/code>, uploadedFiles.size());<\/code><\/div>\n
    <\/code>fileService.copyFile(uploadedFiles);<\/code><\/div>\n
    <\/code>return<\/code> ResponseEntity.ok().build();<\/code><\/div>\n
  <\/code>}<\/code><\/div>\n
}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n