requests: Request header ordering test

reflect_client.py

from collections import OrderedDict
import requests

try:
    requests.get(
        'http://127.0.0.1:8765/',
        headers=OrderedDict([
            ('X-Header-1', 'ignoreme'),
            ('X-Header-2', 'ignoreme'),
            ('X-Header-3', 'ignoreme'),
            ('X-Header-4', 'ignoreme'),
        ])
    )
except requests.exceptions.ConnectionError:
    pass

reflect_server.py

import socket

HOST = ''
PORT = 8765

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
    print('Socket created')

    s.bind((HOST, PORT))
    print('Socket bind complete')

    s.listen(10)
    print('Socket now listening')

    while True:
        conn, addr = s.accept()
        print('Client connected at %s' % (addr,))
        try:
            data = conn.recv(1024 * 16)
            print(data.decode('utf8'))
        finally:
            conn.close()
            print('Client disconnected')
finally:
    s.shutdown()
    s.close()