text: var needle  = require('..'),
      http    = require('http'),
      should  = require('should'),
      sinon   = require('sinon'),
      stream  = require('stream'),
      helpers = require('./helpers');
  
  var multiparts = ['----------------------NODENEEDLEHTTPCLIENT'];
  multiparts.push(['Content-Disposition: form-data; name=\"foo\"'])
  multiparts.push(['\r\nbar\r\n----------------------NODENEEDLEHTTPCLIENT--'])
  // multiparts.push(['Content-Disposition: form-data; name=\"test\"'])
  // multiparts.push(['\r\næµè¯\r\n----------------------NODENEEDLEHTTPCLIENT--'])
  // multiparts.push(['\r\n' + Buffer.from('测试').toString() + '\r\n----------------------NODENEEDLEHTTPCLIENT--'])
  
  
  describe('post data (e.g. request body)', function() {
  
    var stub, spy, server;
  
    before(function(done) {
      server = helpers.server({ port: 4321 }, done);
    })
  
    after(function(done) {
      server.close(done);
    })
  
    afterEach(function() {
      if (stub) stub.restore();
      if (spy) spy.restore();
    })
  
    function get(data, opts, cb) {
      return needle.request('get', 'http://localhost:' + 4321, data, opts, cb)
    }
  
    function post(data, opts, cb) {
      return needle.request('post', 'http://localhost:' + 4321, data, opts, cb)
    }
  
    function spystub_request() {
      var http_req = http.request;
      stub = sinon.stub(http, 'request').callsFake(function(opts, cb) {
        var req = http_req(opts, cb);
        spy = sinon.spy(req, 'write');
        return req;
      })
    }
  
    function check_request(method) {
      stub.calledOnce.should.be.true;
      stub.args[0][0]['headers']['host'].should.equal('localhost:4321');
      stub.args[0][0]['method'].should.equal(method);
    }
  
    describe('with multipart: true', function() {
  
      describe('when null', function() {
  
        it('sends request (non multipart)', function(done) {
          spystub_request();
  
          post(null, { multipart: true }, function(err, resp) {
            check_request('post');
            done();
          })
        })
  
        it('doesnt set Content-Type header', function(done) {
          post(null, { multipart: true }, function(err, resp) {
            should.not.exist(resp.body.headers['content-type']);
            done();
          })
        })
  
        it('doesnt change default Accept header', function(done) {
          post(null, { multipart: true }, function(err, resp) {
            // resp.body contains 'header' and 'body', mirroring what we sent
            resp.body.headers['accept'].should.equal('*/*');
            done();
          })
        })
  
        it('doesnt write anything', function(done) {
          spystub_request();
  
          post(null, { multipart: true }, function(err, resp) {
            spy.called.should.be.false;
            resp.body.body.should.eql('');
            done();
          })
        })
  
      })
  
      describe('when string', function() {
  
        it('explodes', function() {
          (function() {
            post('foobar', { multipart: true })
          }).should.throw()
        })
  
      })
  
      describe('when object', function() {
  
        describe('get request', function() {
  
          it('sends request', function(done) {
            spystub_request();
  
            get({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              check_request('get');
              done();
            })
          })
  
          it('sets Content-Type header', function(done) {
            post({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              resp.body.headers['content-type'].should.equal('multipart/form-data; boundary=--------------------NODENEEDLEHTTPCLIENT');
              done();
            })
          })
  
          it('doesnt change default Accept header', function(done) {
            post({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              resp.body.headers['accept'].should.equal('*/*');
              done();
            })
          })
  
          it('writes string as buffer', function(done) {
            spystub_request();
  
            get({ foo: 'bar' }, { multipart: true }, function(err, resp) {
              spy.called.should.be.true;
  
              spy.args[0][0].should.be.an.instanceof(String);
              spy.args[0][0].toString().should.equal(multiparts.join('\r\n'));
              resp.body.body.should.eql(multiparts.join('\r\n'));
              done();
            })
          })
  
          it('writes japanese chars correctly as binary', function(done) {
            spystub_request();
  
            get({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              spy.called.should.be.true;
  
              spy.args[0][0].should.be.an.instanceof(String);
              Buffer.from(spy.args[0][0]).toString('hex').should.eql('2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e540d0a436f6e74656e742d446973706f736974696f6e3a20666f726d2d646174613b206e616d653d22666f6f220d0a0d0a6261720d0a2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e540d0a436f6e74656e742d446973706f736974696f6e3a20666f726d2d646174613b206e616d653d2274657374220d0a0d0ac3a6c2b5c28bc3a8c2afc2950d0a2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e542d2d')
              done();
            })
          })
  
  
        })
  
        describe('post request', function() {
  
          it('sends request', function(done) {
            spystub_request();
  
            post({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              check_request('post');
              done();
            })
          })
  
          it('writes string as buffer', function(done) {
            spystub_request();
  
            post({ foo: 'bar' }, { multipart: true }, function(err, resp) {
              spy.called.should.be.true;
              spy.args[0][0].should.be.an.instanceof(String);
              spy.args[0][0].toString().should.equal(multiparts.join('\r\n'));
              resp.body.body.should.eql(multiparts.join('\r\n'));
              done();
            })
          })
  
          it('writes japanese chars correctly as binary', function(done) {
            spystub_request();
  
            post({ foo: 'bar', test: '测试' }, { multipart: true }, function(err, resp) {
              spy.called.should.be.true;
              spy.args[0][0].should.be.an.instanceof(String);
              Buffer.from(spy.args[0][0]).toString('hex').should.eql('2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e540d0a436f6e74656e742d446973706f736974696f6e3a20666f726d2d646174613b206e616d653d22666f6f220d0a0d0a6261720d0a2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e540d0a436f6e74656e742d446973706f736974696f6e3a20666f726d2d646174613b206e616d653d2274657374220d0a0d0ac3a6c2b5c28bc3a8c2afc2950d0a2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d2d4e4f44454e4545444c4548545450434c49454e542d2d')
              done();
            })
          })
  
        })
  
      })
  
      describe('when stream', function() {
  
        var stream_for_multipart;
  
        before(function() {
          stream_for_multipart = new stream.Readable();
          stream_for_multipart._read = function() {
            this.push('foobar');
            this.push(null);
          }
        })
  
        it('explodes', function() {
          (function() {
            post(stream_for_multipart, { multipart: true })
          }).should.throw()
        })
  
      })
  
    })
  
    describe('non multipart', function() {
  
      describe('when null', function() {
  
        describe('get request', function() {
  
          it('sends request', function(done) {
            spystub_request();
  
            get(null, {}, function(err, resp) {
              check_request('get');
              done();
            })
          })
  
          it('doesnt write anything', function(done) {
            spystub_request();
  
            get(null, {}, function(err, resp) {
              spy.called.should.be.false;
              resp.body.body.should.eql('');
              done();
            })
          })
  
        })
  
        describe('post request', function() {
  
          it('sends request', function(done) {
            spystub_request();
  
            post(null, {}, function(err, resp) {
              check_request('post');
              done();
            })
          })
  
          it('doesnt write anything', function(done) {
            spystub_request();
  
            post(null, {}, function(err, resp) {
              spy.called.should.be.false;
              resp.body.body.should.eql('');
              done();
            })
          })
  
        })
  
      })
  
      describe('when string with no equal sign', function() {
  
        describe('get request', function() {
  
          it('explodes', function() {
            (function() {
              get('foobar', {})
            }).should.throw()
          })
  
        })
  
        describe('post request', function() {
  
          it('sends request', function(done) {
            spystub_request();
  
            post('foobar', {}, function(err, resp) {
              check_request('post');
              done();
            })
          })
  
          it('writes string as buffer', function(done) {
            spystub_request();
  
            post('foobar', {}, function(err, resp) {
              spy.called.should.be.true;
              spy.args[0][0].should.be.an.instanceof(Buffer);
              spy.args[0][0].toString().should.equal('foobar');
              resp.body.body.should.eql('foobar');
              done();
            })
          })
  
        })
  
      })
  
      describe('when string WITH equal sign', function() {
  
        describe('get request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request, adding data as querystring', function(done) {
              spystub_request();
  
              get('foo=bar', { json: false }, function(err, resp) {
                check_request('get');
                stub.args[0][0]['path'].should.equal('/?foo=bar')
                done();
              })
            })
  
            it('doesnt set Content-Type header', function(done) {
              get('foo=bar', { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                should.not.exist(resp.body.headers['content-type']);
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              get('foo=bar', { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('doesnt write anything', function(done) {
              get('foo=bar', { json: false }, function(err, resp) {
                spy.called.should.be.false;
                resp.body.body.should.eql('');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request, without setting a querystring', function(done) {
              spystub_request();
  
              get('foo=bar', { json: true }, function(err, resp) {
                check_request('get');
                stub.args[0][0]['path'].should.equal('/')
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              get('foo=bar', { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              get('foo=bar', { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes raw string (assuming it already is JSON, so no JSON.stringify)', function(done) {
              get('foo=bar', { json: true }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].toString().should.eql('foo=bar')
                resp.body.body.should.eql('foo=bar');
                done();
              })
            })
  
          })
  
        })
  
        describe('post request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post('foo=bar', { json: false }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to www-form-urlencoded', function(done) {
              post('foo=bar', { json: false }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/x-www-form-urlencoded');
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              post('foo=bar', { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              post('foo=bar', { json: false }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].should.be.an.instanceof(Buffer);
                spy.args[0][0].toString().should.equal('foo=bar');
                resp.body.body.should.eql('foo=bar');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post('foo=bar', { json: true }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              post('foo=bar', { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              post('foo=bar', { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes raw string (assuming it already is JSON, so no JSON.stringify)', function(done) {
              post('foo=bar', { json: true }, function(err, resp) {
                spy.called.should.be.true;
                var json = JSON.stringify('foo=bar');
                spy.args[0][0].toString().should.eql('foo=bar')
                resp.body.body.should.eql('foo=bar');
                done();
              })
            })
  
          })
  
        })
  
      })
  
      describe('when object', function() {
  
        describe('get request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request, adding data as querystring', function(done) {
              spystub_request();
  
              get({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                check_request('get');
                stub.args[0][0]['path'].should.equal('/?foo=bar&test=%E6%B5%8B%E8%AF%95')
                done();
              })
            })
  
            it('doesnt set Content-Type header', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                should.not.exist(resp.body.headers['content-type']);
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('doesnt write anything', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                spy.called.should.be.false;
                resp.body.body.should.eql('');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request, without setting a querystring', function(done) {
              spystub_request();
  
              get({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                check_request('get');
                stub.args[0][0]['path'].should.equal('/')
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes JSON.stringify version of object', function(done) {
              get({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                spy.called.should.be.true;
                var json = JSON.stringify({ foo: 'bar', test: '测试' })
                spy.args[0][0].toString().should.eql(json)
                resp.body.body.should.eql(json);
                done();
              })
            })
  
          })
  
        })
  
        describe('post request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to www-form-urlencoded', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/x-www-form-urlencoded');
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: false }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].should.be.an.instanceof(Buffer);
                spy.args[0][0].toString().should.equal('foo=bar&test=%E6%B5%8B%E8%AF%95');
                resp.body.body.should.eql('foo=bar&test=%E6%B5%8B%E8%AF%95');
                done();
              })
            })
  
          })
  
          describe('with json: false and content_type = "application/json"', function() {
  
            var opts = { json: false, content_type: 'application/json' };
  
            it('sends request', function(done) {
              spystub_request();
  
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to application/json', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json');
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].constructor.name.should.eql('Buffer');
                spy.args[0][0].toString().should.equal('foo=bar&test=%E6%B5%8B%E8%AF%95');
                resp.body.body.should.eql('foo=bar&test=%E6%B5%8B%E8%AF%95');
                done();
              })
            })
  
          })
  
          describe('with json: undefined but content-type = application/json', function() {
  
            var opts = { headers: { 'content-type': 'application/json' } };
  
            it('sends request', function(done) {
              spystub_request();
  
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('doesnt change Content-Type header', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json');
                done();
              })
            })
  
            it('leaves default Accept header', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes JSON.stringified object', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                spy.called.should.be.true;
                var json = JSON.stringify({ foo: 'bar', test: '测试' })
                spy.args[0][0].toString().should.eql(json)
                resp.body.body.should.eql(json);
                done();
              })
            })
          })
  
          describe('with json: true', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes JSON.stringified object', function(done) {
              post({ foo: 'bar', test: '测试' }, { json: true }, function(err, resp) {
                spy.called.should.be.true;
                var json = JSON.stringify({ foo: 'bar', test: '测试' })
                spy.args[0][0].toString().should.eql(json)
                resp.body.body.should.eql(json);
                done();
              })
            })
  
          })
  
  
          describe('with json: true and content_type: */* (passed, not default)', function() {
  
            var opts = { json: true, accept: '*/*' };
  
            it('sends request', function(done) {
              spystub_request();
  
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to application/json', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('respects Accept header set by user', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes JSON.stringified object', function(done) {
              post({ foo: 'bar', test: '测试' }, opts, function(err, resp) {
                spy.called.should.be.true;
                var json = JSON.stringify({ foo: 'bar', test: '测试' })
                spy.args[0][0].toString().should.eql(json)
                resp.body.body.should.eql(json);
                done();
              })
            })
  
          })
  
        })
  
      })
  
      describe('when buffer', function() {
  
        describe('get request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              get(Buffer.from('foobar'), { json: false }, function(err, resp) {
                check_request('get');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              get(Buffer.from('foobar'), { json: false }, function(err, resp) {
                // should.not.exist(resp.body.headers['content-type']);
                resp.body.headers['content-type'].should.equal('application/x-www-form-urlencoded');
  
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              get(Buffer.from('foobar'), { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              get(Buffer.from('foobar'), { json: false }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].should.be.an.instanceof(Buffer);
                spy.args[0][0].toString().should.equal('foobar');
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request, without setting a querystring', function(done) {
              spystub_request();
  
              get(Buffer.from('foobar'), { json: true }, function(err, resp) {
                check_request('get');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              get(Buffer.from('foobar'), { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              get(Buffer.from('foobar'), { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes JSON.stringify version of object', function(done) {
              get(Buffer.from('foobar'), { json: true }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].toString().should.eql('foobar')
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
        })
  
        describe('post request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post(Buffer.from('foobar'), { json: false }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to www-form-urlencoded', function(done) {
              post(Buffer.from('foobar'), { json: false }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/x-www-form-urlencoded');
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              post(Buffer.from('foobar'), { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              post(Buffer.from('foobar'), { json: false }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].should.be.an.instanceof(Buffer);
                spy.args[0][0].toString().should.equal('foobar');
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post(Buffer.from('foobar'), { json: true }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              post(Buffer.from('foobar'), { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              post(Buffer.from('foobar'), { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('passes raw buffer (assuming its a JSON string beneath)', function(done) {
              post(Buffer.from('foobar'), { json: true }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].toString().should.eql('foobar')
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
        })
  
      })
  
      describe('when stream', function() {
  
        var input_stream;
  
        beforeEach(function() {
          input_stream = new stream.Readable();
          input_stream._read = function() {
            this.push('foobar');
            this.push(null);
          }
        })
  
        describe('get request', function() {
  
          it('explodes', function() {
            (function() {
              get(input_stream, {})
            }).should.throw()
          })
  
        });
  
        describe('post request', function() {
  
          describe('with json: false (default)', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post(input_stream, { json: false }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header to www-form-urlencoded', function(done) {
              post(input_stream, { json: false }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/x-www-form-urlencoded');
                done();
              })
            })
  
            it('doesnt change default Accept header', function(done) {
              post(input_stream, { json: false }, function(err, resp) {
                // resp.body contains 'header' and 'body', mirroring what we sent
                resp.body.headers['accept'].should.equal('*/*');
                done();
              })
            })
  
            it('writes as buffer', function(done) {
              post(input_stream, { json: false }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].should.be.an.instanceof(Buffer);
                spy.args[0][0].toString().should.equal('foobar');
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
          describe('with json: true', function() {
  
            it('sends request', function(done) {
              spystub_request();
  
              post(input_stream, { json: true }, function(err, resp) {
                check_request('post');
                done();
              })
            })
  
            it('sets Content-Type header', function(done) {
              post(input_stream, { json: true }, function(err, resp) {
                resp.body.headers['content-type'].should.equal('application/json; charset=utf-8');
                done();
              })
            })
  
            it('set Accept header to application/json', function(done) {
              post(input_stream, { json: true }, function(err, resp) {
                resp.body.headers['accept'].should.equal('application/json');
                done();
              })
            })
  
            it('writes JSON.stringified object', function(done) {
              post(input_stream, { json: true }, function(err, resp) {
                spy.called.should.be.true;
                spy.args[0][0].toString().should.eql('foobar')
                resp.body.body.should.eql('foobar');
                done();
              })
            })
  
          })
  
        })
  
      })
  
    })
  
  })
  