MultipartDecoder decoder = mockMultipartDecoder();
UploadedFile uploadedFile = mockUploadedFile();
FieldValidator<Object> validate = mockFieldValidator();
ValidationTracker tracker = mockValidationTracker();
ComponentResources resources = mockComponentResources();
FieldValidationSupport support = mockFieldValidationSupport();
Upload component = new Upload(null, validate, decoder, tracker, resources, support);
expect(decoder.getFileUpload("test")).andReturn(uploadedFile);
expect(uploadedFile.getFileName()).andReturn("test").atLeastOnce();
support.validate(uploadedFile, resources, validate);
expectLastCall().andThrow(new ValidationException("an error"));
tracker.recordError(component, "an error");
replay();