text: #!/usr/bin/env python3
  # Copyright (c) 2014-2016 The Bitcoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test the RPC HTTP basics."""
  
  from test_framework.test_framework import GleecBTCTestFramework
  from test_framework.util import *
  
  import http.client
  import urllib.parse
  
  class HTTPBasicsTest (GleecBTCTestFramework):
      def set_test_params(self):
          self.num_nodes = 3
  
      def setup_network(self):
          self.setup_nodes()
  
      def run_test(self):
  
          #################################################
          # lowlevel check for http persistent connection #
          #################################################
          url = urllib.parse.urlparse(self.nodes[0].url)
          authpair = url.username + ':' + url.password
          headers = {"Authorization": "Basic " + str_to_b64str(authpair)}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1)
          assert(conn.sock!=None) #according to http/1.1 connection must still be open!
  
          #send 2nd request without closing connection
          conn.request('POST', '/', '{"method": "getchaintips"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1) #must also response with a correct json-rpc message
          assert(conn.sock!=None) #according to http/1.1 connection must still be open!
          conn.close()
  
          #same should be if we add keep-alive because this should be the std. behaviour
          headers = {"Authorization": "Basic " + str_to_b64str(authpair), "Connection": "keep-alive"}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1)
          assert(conn.sock!=None) #according to http/1.1 connection must still be open!
  
          #send 2nd request without closing connection
          conn.request('POST', '/', '{"method": "getchaintips"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1) #must also response with a correct json-rpc message
          assert(conn.sock!=None) #according to http/1.1 connection must still be open!
          conn.close()
  
          #now do the same with "Connection: close"
          headers = {"Authorization": "Basic " + str_to_b64str(authpair), "Connection":"close"}
  
          conn = http.client.HTTPConnection(url.hostname, url.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1)
          assert(conn.sock==None) #now the connection must be closed after the response
  
          #node1 (2nd node) is running with disabled keep-alive option
          urlNode1 = urllib.parse.urlparse(self.nodes[1].url)
          authpair = urlNode1.username + ':' + urlNode1.password
          headers = {"Authorization": "Basic " + str_to_b64str(authpair)}
  
          conn = http.client.HTTPConnection(urlNode1.hostname, urlNode1.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1)
  
          #node2 (third node) is running with standard keep-alive parameters which means keep-alive is on
          urlNode2 = urllib.parse.urlparse(self.nodes[2].url)
          authpair = urlNode2.username + ':' + urlNode2.password
          headers = {"Authorization": "Basic " + str_to_b64str(authpair)}
  
          conn = http.client.HTTPConnection(urlNode2.hostname, urlNode2.port)
          conn.connect()
          conn.request('POST', '/', '{"method": "getbestblockhash"}', headers)
          out1 = conn.getresponse().read()
          assert(b'"error":null' in out1)
          assert(conn.sock!=None) #connection must be closed because gleecbtcd should use keep-alive by default
  
          # Check excessive request size
          conn = http.client.HTTPConnection(urlNode2.hostname, urlNode2.port)
          conn.connect()
          conn.request('GET', '/' + ('x'*1000), '', headers)
          out1 = conn.getresponse()
          assert_equal(out1.status, http.client.NOT_FOUND)
  
          conn = http.client.HTTPConnection(urlNode2.hostname, urlNode2.port)
          conn.connect()
          conn.request('GET', '/' + ('x'*10000), '', headers)
          out1 = conn.getresponse()
          assert_equal(out1.status, http.client.BAD_REQUEST)
  
  
  if __name__ == '__main__':
      HTTPBasicsTest ().main ()
  