rpc_named_arguments.py raw

   1  #!/usr/bin/env python3
   2  # Copyright (c) 2016-present The Bitcoin Core developers
   3  # Distributed under the MIT software license, see the accompanying
   4  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5  """Test using named arguments for RPCs."""
   6  
   7  from test_framework.test_framework import BitcoinTestFramework
   8  from test_framework.util import (
   9      assert_equal,
  10      assert_raises_rpc_error,
  11  )
  12  
  13  
  14  class NamedArgumentTest(BitcoinTestFramework):
  15      def set_test_params(self):
  16          self.num_nodes = 1
  17  
  18      def run_test(self):
  19          node = self.nodes[0]
  20          h = node.help(command='getblockchaininfo')
  21          assert h.startswith('getblockchaininfo\n')
  22  
  23          assert_raises_rpc_error(-8, 'Unknown named parameter', node.help, random='getblockchaininfo')
  24  
  25          h = node.getblockhash(height=0)
  26          node.getblock(blockhash=h)
  27  
  28          assert_equal(node.echojson(), [])
  29          assert_equal(node.echojson(arg0=0, arg9=9), [0] + [None] * 8 + [9])
  30          assert_equal(node.echojson(arg1=1), [None, 1])
  31          assert_equal(node.echojson(arg9=None), [] if self.options.usecli else [None] * 10)
  32          assert_equal(node.echojson(arg0=0, arg3=3, arg9=9), [0] + [None] * 2 + [3] + [None] * 5 + [9])
  33          assert_equal(node.echojson(0, 1, arg3=3, arg5=5), [0, 1, None, 3, None, 5])
  34          assert_raises_rpc_error(-8, "Parameter arg1 specified twice both as positional and named argument", node.echojson, 0, 1, arg1=1)
  35          assert_raises_rpc_error(-8, "Parameter arg1 specified twice both as positional and named argument", node.echojson, 0, None, 2, arg1=1)
  36  
  37  if __name__ == '__main__':
  38      NamedArgumentTest(__file__).main()
  39