问题描述
我有一个 Spring Boot 应用程序,在 RestController 中有一个方法来下载一个 csv 文件和一个测试来检查发生异常的情况。当我执行我的测试时,我在 ExceptionHandler 中收到此错误:“HttpMediaTypeNotAcceptableException:找不到可接受的表示”
我尝试在测试请求中为 APPLICATION_JSON_VALUE、TEXT_PLAIN_VALUE 添加一个接受,但我得到了同样的错误。
@RestController
@RequestMapping(value = "/users/files",produces = MediaType.APPLICATION_JSON_VALUE)
@Slf4j
@requiredArgsConstructor
public class UserFilesController {
...
@GetMapping(value = "/{id}/reports",produces = MediaType.TEXT_PLAIN_VALUE)
public ResponseEntity<ByteArrayResource> exportReportById(@PathVariable long id,HttpServletResponse response)
throws UserFileLoaderException,IOException {
HttpHeaders headers = new HttpHeaders();
headers.add(HttpHeaders.CONTENT_disPOSITION,"attachment; filename=\"" + REPORT_EXPORT_FILE_NAME + "\"");
headers.add(HttpHeaders.CONTENT_TYPE,MediaType.TEXT_PLAIN_VALUE);
ByteArrayOutputStream out = new ByteArrayOutputStream();
try (Writer writer = new OutputStreamWriter(out)) {
userFilesService.exportReport(id,writer);
return ResponseEntity
.ok()
.headers(headers)
.body(new ByteArrayResource(out.toByteArray()));
}
}
@ExceptionHandler({UserFileLoaderException.class,IOException.class,Exception.class})
@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
public ResponseEntity<ErrorResponse> handleInternalErrorException(HttpServletRequest request,Exception e) {
log.error("Unexpected error: {}",e.getMessage());
ErrorResponse response = ErrorResponse.builder().errorMessage(e.getMessage()).build();
return new ResponseEntity<>(response,HttpStatus.INTERNAL_SERVER_ERROR);
}
...
}
@Test
void exportReportByIdUserFileLoaderException() throws Exception {
doThrow(UserFileLoaderException.class).when(userFilesService).exportReport(eq(1L),any(Writer.class));
mockmvc.perform(get(URL + "/{id}/reports",1L)
.queryParam("format","text")
.contentType(APPLICATION_JSON_VALUE))
.andExpect(status().isInternalServerError());
verify(userFilesService).exportReport(eq(1L),any(OutputStreamWriter.class));
}
27-01-2021 18:23:47.992 [ERROR][c.i.m.v.m.b.m.api.UserFilesController] [main] Unexpected error: null
27-01-2021 18:23:48.123 [WARN ][o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver] [main] Failure in @ExceptionHandler com.business.user.api.UserFilesController#handleInternalErrorException(HttpServletRequest,Exception)
org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:243)
at org.springframework.web.servlet.mvc.method.annotation.httpentityMethodProcessor.handleReturnValue(httpentityMethodProcessor.java:219)
at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:82)
at org.springframework.web.servlet.mvc.method.annotation.ServletinvocableHandlerMethod.invokeAndHandle(ServletinvocableHandlerMethod.java:123)
at org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:407)
at org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:61)
at org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:141)
at org.springframework.web.servlet.handler.HandlerExceptionResolverComposite.resolveException(HandlerExceptionResolverComposite.java:80)
at org.springframework.web.servlet.dispatcherServlet.processHandlerException(dispatcherServlet.java:1300)
at org.springframework.test.web.servlet.TestdispatcherServlet.processHandlerException(TestdispatcherServlet.java:143)
at org.springframework.web.servlet.dispatcherServlet.processdispatchResult(dispatcherServlet.java:1111)
at org.springframework.web.servlet.dispatcherServlet.dodispatch(dispatcherServlet.java:1057)
at org.springframework.web.servlet.dispatcherServlet.doService(dispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:497)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at org.springframework.test.web.servlet.TestdispatcherServlet.service(TestdispatcherServlet.java:72)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:584)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:167)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
at org.springframework.test.web.servlet.mockmvc.perform(mockmvc.java:183)
at com.business.user.api.UserFilesControllerTest.exportReportByIdUserFileLoaderException(UserFilesControllerTest.java:100)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)
at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:212)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:208)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:137)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:71)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:135)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.util.ArrayList.forEach(ArrayList.java:1257)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.util.ArrayList.forEach(ArrayList.java:1257)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248)
at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211)
at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132)
at com.intellij.junit5.junit5IdeaTestRunner.startRunnerWithArgs(junit5IdeaTestRunner.java:71)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
解决方法
我解决了添加
MediaType.APPLICATION_JSON_VALUE
在控制器中“生产”标签并删除
.queryParam("format","text")
来自这样的测试:
@GetMapping(value = "/{id}/reports",produces = {MediaType.TEXT_PLAIN_VALUE,MediaType.APPLICATION_JSON_VALUE})
@Test
void exportReportByIdUserFileLoaderException() throws Exception {
doThrow(UserFileLoaderException.class).when(userFilesService).exportReport(eq(1L),any(Writer.class));
mockMvc.perform(get(URL + "/{id}/reports",1L)
.contentType(APPLICATION_JSON_VALUE))
.andExpect(status().isInternalServerError());
verify(userFilesService).exportReport(eq(1L),any(OutputStreamWriter.class));
}