Upload Files in Mocha with GraphQL

graphql-apollo-file-upload.js

const boundary = '----' + Math.random();
const data = [
  '--' + boundary,
  'Content-Disposition: form-data; name="operations"',
  '\r\n',
  '{"query":"mutation($file: Upload!){uploadImage(file:$file){id,uuid}}"}',
  '--' + boundary,
  'Content-Disposition: form-data; name="map"',
  '\r\n',
  '{"0":["variables.file"]}',
  '--' + boundary,
  'Content-Disposition: form-data; name="0"; filename="zwilling.svg"',
  'Content-Type: image/svg+xml',
  '\r\n',
  fs.readFileSync('build/migration/img/brand/zwilling.svg'),
  '--' + boundary + '--'
].join('\r\n');

const options = Object.assign({}, url.parse(url), {
  method: 'POST',
  headers: {
    'Content-Type': 'multipart/form-data; boundary=' + boundary,
    'Content-Length': data.length,
  }
});

return new Promise((res, rej) => {
  const req = request(options, function(response) {
    response.setEncoding('utf8');
    const chunks = [];

    response.on('data', function(chunk) {
      chunks.push(chunk);
    });
    response.on('error', rej);
    response.on('end', function() {
      res(chunks.join());
    });
  });
  req.on('error', rej);
  req.write(data);
  req.end();
})
.then(function(body) {
  console.log('BODY::', body);
});