[英]Integration test with TestRestTemplate for Multipart POST request returns 400
我知道類似的問題已經出現了幾次,但遵循建議的修復並沒有解決我的問題。
我有一個帶有以下端點的簡單控制器:
@RequestMapping(method = RequestMethod.POST)
public ResponseEntity<String> singleFileUpload(@RequestParam("file") MultipartFile file) {
log.debug("Upload controller - POST: {}", file.getOriginalFilename());
// do something
}
我正在嘗試使用 Spring TestRestTemplate
為其編寫集成測試,但我所有的TestRestTemplate
都以400 - Bad Request
結束(沒有日志說明控制台中出了什么問題)。
控制器內的日志沒有被擊中,所以在到達那里之前它失敗了。
你能看看我的測試並建議我做錯了什么嗎?
@Test
public void testUpload() {
// simulate multipartfile upload
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("image.jpg").getFile());
MultiValueMap<String, Object> parameters = new LinkedMultiValueMap<String, Object>();
parameters.add("file", file);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
HttpEntity<MultiValueMap<String, Object>> entity = new HttpEntity<MultiValueMap<String, Object>>(parameters, headers);
ResponseEntity<String> response = testRestTemplate.exchange(UPLOAD, HttpMethod.POST, entity, String.class, "");
// Expect Ok
assertThat(response.getStatusCode(), is(HttpStatus.OK));
}
我嘗試了以下方法:
@Test
public void testUpload() {
LinkedMultiValueMap<String, Object> parameters = new LinkedMultiValueMap<String, Object>();
parameters.add("file", new org.springframework.core.io.ClassPathResource("image.jpg"));
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
HttpEntity<LinkedMultiValueMap<String, Object>> entity = new HttpEntity<LinkedMultiValueMap<String, Object>>(parameters, headers);
ResponseEntity<String> response = testRestTemplate.exchange(UPLOAD, HttpMethod.POST, entity, String.class, "");
// Expect Ok
assertThat(response.getStatusCode(), is(HttpStatus.OK));
}
正如你所看到的,我使用了org.springframework.core.io.ClassPathResource
作為文件的對象,ti 就像一個魅力
我希望它有用
安傑洛
如果您想使用java.nio.file.Path
也可以使用FileSystemResource
。
包: org.springframework.core.io.FileSystemResource
例如,你可以這樣做:
new FileSystemResource(Path.of("src", "test", "resources", "image.jpg"))
完整代碼示例:
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class UploadFilesTest {
private final TestRestTemplate template;
@Autowired
public UploadFilesTest(TestRestTemplate template) {
this.template = template;
}
@Test
public void uploadFileTest() {
var multipart = new LinkedMultiValueMap<>();
multipart.add("file", file());
final ResponseEntity<String> post = template.postForEntity("/upload", new HttpEntity<>(multipart, headers()), String.class);
assertEquals(HttpStatus.OK, post.getStatusCode());
}
private HttpHeaders headers() {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
return headers;
}
private FileSystemResource file() {
return new FileSystemResource(Path.of("src", "test", "resources", "image.jpg"));
}
}
休息控制器:
@RestController
public class UploadEndpoint {
@PostMapping("/upload")
public void uploadFile(@RequestParam("file") MultipartFile file) {
System.out.println(file.getSize());
}
}
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