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130 lines
5.1 KiB
130 lines
5.1 KiB
#!/usr/bin/env python3
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# Copyright (c) 2018-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test RPC help output."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error
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from collections import defaultdict
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import os
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import re
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def parse_string(s):
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assert s[0] == '"'
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assert s[-1] == '"'
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return s[1:-1]
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def process_mapping(fname):
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"""Find and parse conversion table in implementation file `fname`."""
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cmds = []
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in_rpcs = False
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with open(fname, "r", encoding="utf8") as f:
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for line in f:
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line = line.rstrip()
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if not in_rpcs:
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if line == 'static const CRPCConvertParam vRPCConvertParams[] =':
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in_rpcs = True
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else:
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if line.startswith('};'):
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in_rpcs = False
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elif '{' in line and '"' in line:
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m = re.search(r'{ *("[^"]*"), *([0-9]+) *, *("[^"]*") *},', line)
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assert m, 'No match to table expression: %s' % line
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name = parse_string(m.group(1))
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idx = int(m.group(2))
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argname = parse_string(m.group(3))
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cmds.append((name, idx, argname))
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assert not in_rpcs and cmds
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return cmds
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class HelpRpcTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.supports_cli = False
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def run_test(self):
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self.test_client_conversion_table()
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self.test_categories()
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self.dump_help()
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if self.is_wallet_compiled():
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self.wallet_help()
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def test_client_conversion_table(self):
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file_conversion_table = os.path.join(self.config["environment"]["SRCDIR"], 'src', 'rpc', 'client.cpp')
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mapping_client = process_mapping(file_conversion_table)
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# Ignore echojson in client table
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mapping_client = [m for m in mapping_client if m[0] != 'echojson']
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mapping_server = self.nodes[0].help("dump_all_command_conversions")
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# Filter all RPCs whether they need conversion
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mapping_server_conversion = [tuple(m[:3]) for m in mapping_server if not m[3]]
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# Only check if all RPC methods have been compiled (i.e. wallet is enabled)
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if self.is_wallet_compiled() and sorted(mapping_client) != sorted(mapping_server_conversion):
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raise AssertionError("RPC client conversion table ({}) and RPC server named arguments mismatch!\n{}".format(
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file_conversion_table,
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set(mapping_client).symmetric_difference(mapping_server_conversion),
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))
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# Check for conversion difference by argument name.
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# It is preferable for API consistency that arguments with the same name
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# have the same conversion, so bin by argument name.
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all_methods_by_argname = defaultdict(list)
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converts_by_argname = defaultdict(list)
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for m in mapping_server:
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all_methods_by_argname[m[2]].append(m[0])
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converts_by_argname[m[2]].append(m[3])
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for argname, convert in converts_by_argname.items():
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if all(convert) != any(convert):
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# Only allow dummy to fail consistency check
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assert argname == 'dummy', ('WARNING: conversion mismatch for argument named %s (%s)' % (argname, list(zip(all_methods_by_argname[argname], converts_by_argname[argname]))))
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def test_categories(self):
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node = self.nodes[0]
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# wrong argument count
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assert_raises_rpc_error(-1, 'help', node.help, 'foo', 'bar')
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# invalid argument
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assert_raises_rpc_error(-1, 'JSON value is not a string as expected', node.help, 0)
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# help of unknown command
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assert_equal(node.help('foo'), 'help: unknown command: foo')
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# command titles
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titles = [line[3:-3] for line in node.help().splitlines() if line.startswith('==')]
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components = ['Blockchain', 'Control', 'Generating', 'Mining', 'Network', 'Rawtransactions', 'Util']
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if self.is_wallet_compiled():
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components.append('Wallet')
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if self.is_zmq_compiled():
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components.append('Zmq')
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assert_equal(titles, components)
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def dump_help(self):
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dump_dir = os.path.join(self.options.tmpdir, 'rpc_help_dump')
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os.mkdir(dump_dir)
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calls = [line.split(' ', 1)[0] for line in self.nodes[0].help().splitlines() if line and not line.startswith('==')]
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for call in calls:
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with open(os.path.join(dump_dir, call), 'w', encoding='utf-8') as f:
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# Make sure the node can generate the help at runtime without crashing
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f.write(self.nodes[0].help(call))
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def wallet_help(self):
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assert 'getnewaddress ( "label" "address_type" )' in self.nodes[0].help('getnewaddress')
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self.restart_node(0, extra_args=['-nowallet=1'])
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assert 'getnewaddress ( "label" "address_type" )' in self.nodes[0].help('getnewaddress')
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if __name__ == '__main__':
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HelpRpcTest().main()
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