mirror of https://github.com/bitcoin/bitcoin.git
92 lines
4.0 KiB
Python
Executable File
92 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017-2021 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 various command line arguments and configuration file parameters."""
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import json
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.test_node import ErrorMatch
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from test_framework.util import assert_equal
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class SettingsTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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self.wallet_names = []
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def run_test(self):
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node, = self.nodes
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settings = node.chain_path / "settings.json"
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conf = node.datadir_path / "bitcoin.conf"
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# Assert default settings file was created
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self.stop_node(0)
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default_settings = {"_warning_": "This file is automatically generated and updated by Bitcoin Core. Please do not edit this file while the node is running, as any changes might be ignored or overwritten."}
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with settings.open() as fp:
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assert_equal(json.load(fp), default_settings)
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# Assert settings are parsed and logged
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with settings.open("w") as fp:
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json.dump({"string": "string", "num": 5, "bool": True, "null": None, "list": [6, 7]}, fp)
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with node.assert_debug_log(expected_msgs=[
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'Ignoring unknown rw_settings value bool',
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'Ignoring unknown rw_settings value list',
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'Ignoring unknown rw_settings value null',
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'Ignoring unknown rw_settings value num',
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'Ignoring unknown rw_settings value string',
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'Setting file arg: string = "string"',
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'Setting file arg: num = 5',
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'Setting file arg: bool = true',
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'Setting file arg: null = null',
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'Setting file arg: list = [6,7]',
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]):
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self.start_node(0)
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self.stop_node(0)
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# Assert settings are unchanged after shutdown
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with settings.open() as fp:
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assert_equal(json.load(fp), {**default_settings, **{"string": "string", "num": 5, "bool": True, "null": None, "list": [6, 7]}})
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# Test invalid json
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with settings.open("w") as fp:
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fp.write("invalid json")
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node.assert_start_raises_init_error(expected_msg='does not contain valid JSON. This is probably caused by disk corruption or a crash', match=ErrorMatch.PARTIAL_REGEX)
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# Test invalid json object
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with settings.open("w") as fp:
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fp.write('"string"')
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node.assert_start_raises_init_error(expected_msg='Found non-object value "string" in settings file', match=ErrorMatch.PARTIAL_REGEX)
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# Test invalid settings file containing duplicate keys
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with settings.open("w") as fp:
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fp.write('{"key": 1, "key": 2}')
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node.assert_start_raises_init_error(expected_msg='Found duplicate key key in settings file', match=ErrorMatch.PARTIAL_REGEX)
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# Test invalid settings file is ignored with command line -nosettings
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with node.assert_debug_log(expected_msgs=['Command-line arg: settings=false']):
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self.start_node(0, extra_args=["-nosettings"])
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self.stop_node(0)
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# Test invalid settings file is ignored with config file -nosettings
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with conf.open('a') as conf:
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conf.write('nosettings=1\n')
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with node.assert_debug_log(expected_msgs=['Config file arg: [regtest] settings=false']):
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self.start_node(0)
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self.stop_node(0)
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# Test alternate settings path
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altsettings = node.datadir_path / "altsettings.json"
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with altsettings.open("w") as fp:
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fp.write('{"key": "value"}')
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with node.assert_debug_log(expected_msgs=['Setting file arg: key = "value"']):
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self.start_node(0, extra_args=[f"-settings={altsettings}"])
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self.stop_node(0)
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if __name__ == '__main__':
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SettingsTest().main()
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