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-rwxr-xr-xtest/functional/feature_settings.py84
1 files changed, 84 insertions, 0 deletions
diff --git a/test/functional/feature_settings.py b/test/functional/feature_settings.py
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+++ b/test/functional/feature_settings.py
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+#!/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 json
+
+from pathlib import Path
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.test_node import ErrorMatch
+from test_framework.util import assert_equal
+
+
+class SettingsTest(BitcoinTestFramework):
+ def set_test_params(self):
+ self.setup_clean_chain = True
+ self.num_nodes = 1
+
+ def run_test(self):
+ node, = self.nodes
+ settings = Path(node.datadir, self.chain, "settings.json")
+ conf = Path(node.datadir, "bitcoin.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=[
+ '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()