git / moonbite-core / test/functional/feature_settings.py · raw

#!/usr/bin/env python3# Copyright (c) 2017-2020 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 various command line arguments and configuration file parameters."""import jsonfrom pathlib import Pathfrom test_framework.test_framework import BitcoinTestFrameworkfrom test_framework.test_node import ErrorMatchfrom test_framework.util import assert_equalclass SettingsTest(BitcoinTestFramework):    def set_test_params(self):        self.setup_clean_chain = True        self.num_nodes = 1        self.wallet_names = []    def run_test(self):        node, = self.nodes        settings = Path(node.datadir, self.chain, "settings.json")        conf = Path(node.datadir, "litecoin.conf")        # Assert empty settings file was created        self.stop_node(0)        with settings.open() as fp:            assert_equal(json.load(fp), {})        # Assert settings are parsed and logged        with settings.open("w") as fp:            json.dump({"string": "string", "num": 5, "bool": True, "null": None, "list": [6, 7]}, fp)        with node.assert_debug_log(expected_msgs=[                'Ignoring unknown rw_settings value bool',                'Ignoring unknown rw_settings value list',                'Ignoring unknown rw_settings value null',                'Ignoring unknown rw_settings value num',                'Ignoring unknown rw_settings value string',                'Setting file arg: string = "string"',                'Setting file arg: num = 5',                'Setting file arg: bool = true',                'Setting file arg: null = null',                'Setting file arg: list = [6,7]',        ]):            self.start_node(0)            self.stop_node(0)        # Assert settings are unchanged after shutdown        with settings.open() as fp:            assert_equal(json.load(fp), {"string": "string", "num": 5, "bool": True, "null": None, "list": [6, 7]})        # Test invalid json        with settings.open("w") as fp:            fp.write("invalid json")        node.assert_start_raises_init_error(expected_msg='Unable to parse settings file', match=ErrorMatch.PARTIAL_REGEX)        # Test invalid json object        with settings.open("w") as fp:            fp.write('"string"')        node.assert_start_raises_init_error(expected_msg='Found non-object value "string" in settings file', match=ErrorMatch.PARTIAL_REGEX)        # Test invalid settings file containing duplicate keys        with settings.open("w") as fp:            fp.write('{"key": 1, "key": 2}')        node.assert_start_raises_init_error(expected_msg='Found duplicate key key in settings file', match=ErrorMatch.PARTIAL_REGEX)        # Test invalid settings file is ignored with command line -nosettings        with node.assert_debug_log(expected_msgs=['Command-line arg: settings=false']):            self.start_node(0, extra_args=["-nosettings"])            self.stop_node(0)        # Test invalid settings file is ignored with config file -nosettings        with conf.open('a') as conf:            conf.write('nosettings=1\n')        with node.assert_debug_log(expected_msgs=['Config file arg: [regtest] settings=false']):            self.start_node(0)            self.stop_node(0)        # Test alternate settings path        altsettings = Path(node.datadir, "altsettings.json")        with altsettings.open("w") as fp:            fp.write('{"key": "value"}')        with node.assert_debug_log(expected_msgs=['Setting file arg: key = "value"']):            self.start_node(0, extra_args=["-settings={}".format(altsettings)])            self.stop_node(0)if __name__ == '__main__':    SettingsTest().main()