Attach file gives 400 bad request

[10kresources]

var file_path = '../data/invalid.csv';

chai.request(config.baseUrl)
.put(url)
.set('Accept', 'application/json')
.set('Content-Type', 'customHeader')
.attach('file', fs.readFileSync(file_path))
.end(function (err, res) {
res.should.have.status(500);
done();
});

I am expecting a 500 response (not here to argue, that's a good way to do things or not, it's a requirement, that I have to test) but I am getting 400

Testing the same manually (using POSTMAN) works just fine.

Any resolution will be highly appreciated. I am kinda blocked on this one..

[keithamus]

Hey @coolnixy thanks for the issue.

I believe the problem you're seeing is because attach (see SuperAgent source) uses FormData - this module changes the Content-Type header. I think you might find that by the time your request is made, the Content-Type header is no longer customHeader but some other value.

The fix could be to try setting Content-Type after attach - to illustrate:

var file_path = '../data/invalid.csv';

chai.request(config.baseUrl)
.put(url)
.attach('file', fs.readFileSync(file_path))
.set('Accept', 'application/json')
.set('Content-Type', 'customHeader')
.end(function (err, res) {
  res.should.have.status(500);
  done();
});

[10kresources]

Thanks @keithamus for your response. I tried your suggestion, but didn't work for me :( Any other way I can get this working?

[keithamus]

@coolnixy could you please provide more information, or perhaps write a reduced test case?

If you console.log(res) what comes back?

[10kresources]

@keithamus Thanks for responding.. I am getting message "The request is invalid" in result. What you mentioned on your first comment is correct. The custom header is not passed. Is there a way we can attach the file as binary and let the custom header be there?

[keithamus]

@coolnixy can you please provide the full output of res - I'm interested in seeing what the initial request headers were (which are attached to the res object).

[10kresources]

@keithamus here is the full output..

Upload claims tests

Upload claims tests
Response {
domain: null,
_events: {},
_eventsCount: 0,
_maxListeners: undefined,
res:
IncomingMessage {
_readableState:
ReadableState {
objectMode: false,
highWaterMark: 16384,
buffer: [],
length: 0,
pipes: null,
pipesCount: 0,
flowing: true,
ended: true,
endEmitted: true,
reading: false,
sync: true,
needReadable: false,
emittedReadable: false,
readableListening: false,
resumeScheduled: false,
defaultEncoding: 'utf8',
ranOut: false,
awaitDrain: 0,
readingMore: false,
decoder: [Object],
encoding: 'utf8' },
readable: false,
domain: null,
_events:
{ end: [Object],
data: [Object],
error: [Object],
close: [Function: bound emit] },
_eventsCount: 4,
_maxListeners: undefined,
socket:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: null,
npnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
_connecting: false,
_hadError: false,
_handle: null,
_parent: null,
_host: 'dev.test.xyz.com',
_readableState: [Object],
readable: false,
domain: null,
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
destroyed: true,
_bytesDispatched: 1261,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: null,
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Object],
read: [Function],
_consuming: true,
_idleNext: null,
_idlePrev: null,
_idleTimeout: -1 },
connection:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: null,
npnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
_connecting: false,
_hadError: false,
_handle: null,
_parent: null,
_host: 'dev.test.xyz.com',
_readableState: [Object],
readable: false,
domain: null,
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
destroyed: true,
_bytesDispatched: 1261,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: null,
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Object],
read: [Function],
_consuming: true,
_idleNext: null,
_idlePrev: null,
_idleTimeout: -1 },
httpVersionMajor: 1,
httpVersionMinor: 1,
httpVersion: '1.1',
complete: true,
headers:
{ 'content-type': 'application/json; charset=utf-8',
'content-length': '37',
connection: 'close',
'cache-control': 'no-cache',
date: 'Thu, 25 Aug 2016 01:05:54 GMT',
expires: '-1',
pragma: 'no-cache',
server: 'Microsoft-IIS/8.5',
'x-aspnet-version': '4.0.30319',
'x-powered-by': 'ASP.NET',
'x-cache': 'Error from cloudfront',
via: '1.1 74b217f6de96253e0ed5551fd50bc165.cloudfront.net (CloudFront)',
'x-amz-cf-id': 'fLY_xt3DkMi7wSMbxl3CnL8QaGSFU05QHKA5pRgDMriBTPJD39BiNA==' },
rawHeaders:
[ 'Content-Type',
'application/json; charset=utf-8',
'Content-Length',
'37',
'Connection',
'close',
'Cache-Control',
'no-cache',
'Date',
'Thu, 25 Aug 2016 01:05:54 GMT',
'Expires',
'-1',
'Pragma',
'no-cache',
'Server',
'Microsoft-IIS/8.5',
'X-AspNet-Version',
'4.0.30319',
'X-Powered-By',
'ASP.NET',
'X-Cache',
'Error from cloudfront',
'Via',
'1.1 74b217f6de96253e0ed5551fd50bc165.cloudfront.net (CloudFront)',
'X-Amz-Cf-Id',
'fLY_xt3DkMi7wSMbxl3CnL8QaGSFU05QHKA5pRgDMriBTPJD39BiNA==' ],
trailers: {},
rawTrailers: [],
upgrade: false,
url: '',
method: null,
statusCode: 400,
statusMessage: 'Bad Request',
client:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: null,
npnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
_connecting: false,
_hadError: false,
_handle: null,
_parent: null,
_host: 'dev.test.xyz.com',
_readableState: [Object],
readable: false,
domain: null,
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
destroyed: true,
_bytesDispatched: 1261,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: null,
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Object],
read: [Function],
_consuming: true,
_idleNext: null,
_idlePrev: null,
_idleTimeout: -1 },
_consuming: true,
_dumped: false,
req:
ClientRequest {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: true,
chunkedEncoding: false,
shouldKeepAlive: false,
useChunkedEncodingByDefault: true,
sendDate: false,
_removedHeader: [Object],
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket: [Object],
connection: [Object],
_header: 'PUT /api/full/path HTTP/1.1\r\nHost: dev.test.xyz.com\r\nAccept-Encoding: gzip, deflate\r\nUser-Agent: node-superagent/2.1.0\r
Authorization: Bearer 377a0920a304cf040b7258fc9481eb84\r\nAccept: application/json\r\ncontent-type: multipart/form-data
boundary=--------------------------276293373713535782110304\r\nContent-Length: 827\r\nConnection: close\r\n\r\n',
_headers: [Object],
_headerNames: [Object],
_onPendingData: null,
agent: [Object],
socketPath: undefined,
method: 'PUT',
path: '/api/full/path',
parser: null,
res: [Circular] },
text: '{"message":"The request is invalid."}',
read: [Function],
body: { message: 'The request is invalid.' } },
request:
Test {
domain: null,
_events: { end: [Function: bound _clearTimeout] },
_eventsCount: 1,
_maxListeners: undefined,
_agent: false,
_formData:
FormData {
_overheadLength: 171,
_valueLength: 600,
_lengthRetrievers: [],
writable: false,
readable: true,
dataSize: 0,
maxDataSize: 2097152,
pauseStreams: true,
_released: true,
_streams: [],
_currentStream: null,
_events: [Object],
_eventsCount: 1,
_boundary: '--------------------------276293373713535782110304' },
method: 'put',
url: 'https://dev.test.xyz.com/api/full/path',
_header:
{ 'user-agent': 'node-superagent/2.1.0',
authorization: 'Bearer 377a0920a304cf040b7258fc9481eb84',
accept: 'application/json',
'content-type': 'application/vnd+xyz.bulkclaim.abc+csv' },
header:
{ 'User-Agent': 'node-superagent/2.1.0',
Authorization: 'Bearer 377a0920a304cf040b7258fc9481eb84',
Accept: 'application/json',
'Content-Type': 'application/vnd+xyz.bulkclaim.abc+csv' },
writable: true,
_redirects: 0,
_maxRedirects: 5,
cookies: '',
qs: {},
qsRaw: [],
_redirectList: [],
_streamRequest: false,
app: 'https://dev.test.xyz.com',
req:
ClientRequest {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: true,
chunkedEncoding: false,
shouldKeepAlive: false,
useChunkedEncodingByDefault: true,
sendDate: false,
_removedHeader: [Object],
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket: [Object],
connection: [Object],
_header: 'PUT /api/full/path HTTP/1.1\r\nHost: dev.test.xyz.com\r\nAccept-Encoding: gzip, deflate\r\nUser-Agent: node-superagent/2.1.0\r
Authorization: Bearer 377a0920a304cf040b7258fc9481eb84\r\nAccept: application/json\r\ncontent-type: multipart/form-data
boundary=--------------------------276293373713535782110304\r\nContent-Length: 827\r\nConnection: close\r\n\r\n',
_headers: [Object],
_headerNames: [Object],
_onPendingData: null,
agent: [Object],
socketPath: undefined,
method: 'PUT',
path: '/api/full/path',
parser: null,
res: [Object] },
protocol: 'https:',
host: 'dev.test.xyz.com',
_callback: [Function],
res:
IncomingMessage {
_readableState: [Object],
readable: false,
domain: null,
_events: [Object],
_eventsCount: 4,
_maxListeners: undefined,
socket: [Object],
connection: [Object],
httpVersionMajor: 1,
httpVersionMinor: 1,
httpVersion: '1.1',
complete: true,
headers: [Object],
rawHeaders: [Object],
trailers: {},
rawTrailers: [],
upgrade: false,
url: '',
method: null,
statusCode: 400,
statusMessage: 'Bad Request',
client: [Object],
_consuming: true,
_dumped: false,
req: [Object],
text: '{"message":"The request is invalid."}',
read: [Function],
body: [Object] },
_timeout: 0,
response: [Circular],
called: true },
req:
ClientRequest {
domain: null,
_events: { drain: [Object], error: [Object], response: [Function] },
_eventsCount: 3,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: true,
chunkedEncoding: false,
shouldKeepAlive: false,
useChunkedEncodingByDefault: true,
sendDate: false,
_removedHeader: { 'content-length': false },
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: null,
npnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
_connecting: false,
_hadError: false,
_handle: null,
_parent: null,
_host: 'dev.test.xyz.com',
_readableState: [Object],
readable: false,
domain: null,
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
destroyed: true,
_bytesDispatched: 1261,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: null,
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Circular],
read: [Function],
_consuming: true,
_idleNext: null,
_idlePrev: null,
_idleTimeout: -1 },
connection:
TLSSocket {
_tlsOptions: [Object],
_secureEstablished: true,
_securePending: false,
_newSessionPending: false,
_controlReleased: true,
_SNICallback: null,
servername: null,
npnProtocol: false,
authorized: true,
authorizationError: null,
encrypted: true,
_events: [Object],
_eventsCount: 9,
_connecting: false,
_hadError: false,
_handle: null,
_parent: null,
_host: 'dev.test.xyz.com',
_readableState: [Object],
readable: false,
domain: null,
_maxListeners: undefined,
_writableState: [Object],
writable: false,
allowHalfOpen: false,
destroyed: true,
_bytesDispatched: 1261,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server: undefined,
_server: null,
ssl: null,
_requestCert: true,
_rejectUnauthorized: true,
parser: null,
_httpMessage: [Circular],
read: [Function],
_consuming: true,
_idleNext: null,
_idlePrev: null,
_idleTimeout: -1 },
_header: 'PUT /api/full/path
HTTP/1.1\r\nHost: dev.test.xyz.com\r\nAccept-Encoding: gzip, deflate\r\nUser-Agent: node-superagent/2.1.0\r\nAu
horization: Bearer 377a0920a304cf040b7258fc9481eb84\r\nAccept: application/json\r\ncontent-type: multipart/form-data; b
undary=--------------------------276293373713535782110304\r\nContent-Length: 827\r\nConnection: close\r\n\r\n',
_headers:
{ host: 'dev.test.xyz.com',
'accept-encoding': 'gzip, deflate',
'user-agent': 'node-superagent/2.1.0',
authorization: 'Bearer 377a0920a304cf040b7258fc9481eb84',
accept: 'application/json',
'content-type': 'multipart/form-data; boundary=--------------------------276293373713535782110304',
'content-length': 827 },
_headerNames:
{ host: 'Host',
'accept-encoding': 'Accept-Encoding',
'user-agent': 'User-Agent',
authorization: 'Authorization',
accept: 'Accept',
'content-type': 'content-type',
'content-length': 'Content-Length' },
_onPendingData: null,
agent:
Agent {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
defaultPort: 443,
protocol: 'https:',
options: [Object],
requests: {},
sockets: [Object],
freeSockets: {},
keepAliveMsecs: 1000,
keepAlive: false,
maxSockets: Infinity,
maxFreeSockets: 256,
maxCachedSessions: 100,
_sessionCache: [Object] },
socketPath: undefined,
method: 'PUT',
path: '/api/full/path',
parser: null,
res:
IncomingMessage {
_readableState: [Object],
readable: false,
domain: null,
_events: [Object],
_eventsCount: 4,
_maxListeners: undefined,
socket: [Object],
connection: [Object],
httpVersionMajor: 1,
httpVersionMinor: 1,
httpVersion: '1.1',
complete: true,
headers: [Object],
rawHeaders: [Object],
trailers: {},
rawTrailers: [],
upgrade: false,
url: '',
method: null,
statusCode: 400,
statusMessage: 'Bad Request',
client: [Object],
_consuming: true,
_dumped: false,
req: [Circular],
text: '{"message":"The request is invalid."}',
read: [Function],
body: [Object] } },
links: {},
text: '{"message":"The request is invalid."}',
body: { message: 'The request is invalid.' },
files: undefined,
buffered: true,
headers:
{ 'content-type': 'application/json; charset=utf-8',
'content-length': '37',
connection: 'close',
'cache-control': 'no-cache',
date: 'Thu, 25 Aug 2016 01:05:54 GMT',
expires: '-1',
pragma: 'no-cache',
server: 'Microsoft-IIS/8.5',
'x-aspnet-version': '4.0.30319',
'x-powered-by': 'ASP.NET',
'x-cache': 'Error from cloudfront',
via: '1.1 74b217f6de96253e0ed5551fd50bc165.cloudfront.net (CloudFront)',
'x-amz-cf-id': 'fLY_xt3DkMi7wSMbxl3CnL8QaGSFU05QHKA5pRgDMriBTPJD39BiNA==' },
header:
{ 'content-type': 'application/json; charset=utf-8',
'content-length': '37',
connection: 'close',
'cache-control': 'no-cache',
date: 'Thu, 25 Aug 2016 01:05:54 GMT',
expires: '-1',
pragma: 'no-cache',
server: 'Microsoft-IIS/8.5',
'x-aspnet-version': '4.0.30319',
'x-powered-by': 'ASP.NET',
'x-cache': 'Error from cloudfront',
via: '1.1 74b217f6de96253e0ed5551fd50bc165.cloudfront.net (CloudFront)',
'x-amz-cf-id': 'fLY_xt3DkMi7wSMbxl3CnL8QaGSFU05QHKA5pRgDMriBTPJD39BiNA==' },
statusCode: 400,
status: 400,
statusType: 4,
info: false,
ok: false,
redirect: false,
clientError: true,
serverError: false,
error:
{ [Error: cannot PUT /api/full/path (400)]
status: 400,
text: '{"message":"The request is invalid."}',
method: 'PUT',
path: /api/full/path' },
accepted: false,
noContent: false,
badRequest: true,
unauthorized: false,
notAcceptable: false,
forbidden: false,
notFound: false,
charset: 'utf-8',
type: 'application/json',
setEncoding: [Function: bound ],
redirects: [] }

[keithamus]

@coolnixy yeah see it is changing the request header's content type to content-type: multipart/form-data; boundary=--------------------------276293373713535782110304.

The way to fix that should be overriding the header after attach() runs. If that doesn't work then I'm not sure how much more I can help I'm afraid.

[10kresources]

Thanks @keithamus . I will try to override the header and see if it works. Will update you, if it works!! Thanks for your help thus far!. Appreciated.

[meeber]

@coolnixy Gonna close this issue due to no updates in a few months. Please feel welcome to reopen it if there's still an issue!

[vaibhavpuri]

I am also facing a similar problem: https://stackoverflow.com/questions/46204374/chai-http-attach-sets-up-content-type-multipart-formdata
so basically i am trying to post a file as binary since my method accepts the image as binary, so trying to set the content type to image/jpeg after attach:

chai.request('http://localhost:8085')
.post('/myAPI/' + req.params.id + '/logo')
.attach('image', fs.readFileSync(__dirname + '/resources/IMG_86425.jpg'), 'IMG_86425.jpg')
.set('Content-Type','image/jpeg')
.end((err, res) => {
should.equal(err, null);
res.status.should.equal(200);
res.should.be.json;
done();
});

Still when i log the request content type in the code i see req.contentType : multipart/form-data
Is there a work around for this OR is there any other way i can post a binary through chai http.