test/functional/feature_logging.py - master - githubmirror/bitcoin

test/functional/feature_logging.py
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MarcoFalke
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14 май 2026, 14:09
14 май 2026, 14:09fac6c42
#!/usr/bin/env python3
# Copyright (c) 2017-present 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 debug logging."""

import os

from test_framework.test_framework import BitcoinTestFramework
from test_framework.p2p import P2PInterface
from test_framework.test_node import ErrorMatch


class LoggingTest(BitcoinTestFramework):
    def set_test_params(self):
        self.num_nodes = 1
        self.setup_clean_chain = True

    def relative_log_path(self, name):
        return os.path.join(self.nodes[0].chain_path, name)

    def run_test(self):
        # test default log file name
        default_log_path = self.relative_log_path("debug.log")
        assert os.path.isfile(default_log_path)

        # test alternative log file name in datadir
        self.restart_node(0, ["-debuglogfile=foo.log"])
        assert os.path.isfile(self.relative_log_path("foo.log"))

        # test alternative log file name outside datadir
        tempname = os.path.join(self.options.tmpdir, "foo.log")
        self.restart_node(0, [f"-debuglogfile={tempname}"])
        assert os.path.isfile(tempname)

        # check that invalid log (relative) will cause error
        invdir = self.relative_log_path("foo")
        invalidname = os.path.join("foo", "foo.log")
        self.stop_node(0)
        exp_stderr = "Error: Could not open debug log file "
        self.nodes[0].assert_start_raises_init_error([f"-debuglogfile={invalidname}"], exp_stderr, match=ErrorMatch.PARTIAL_REGEX)
        assert not os.path.isfile(os.path.join(invdir, "foo.log"))

        # check that invalid log (relative) works after path exists
        self.stop_node(0)
        os.mkdir(invdir)
        self.start_node(0, [f"-debuglogfile={invalidname}"])
        assert os.path.isfile(os.path.join(invdir, "foo.log"))

        # check that invalid log (absolute) will cause error
        self.stop_node(0)
        invdir = os.path.join(self.options.tmpdir, "foo")
        invalidname = os.path.join(invdir, "foo.log")
        self.nodes[0].assert_start_raises_init_error([f"-debuglogfile={invalidname}"], exp_stderr, match=ErrorMatch.PARTIAL_REGEX)
        assert not os.path.isfile(os.path.join(invdir, "foo.log"))

        # check that invalid log (absolute) works after path exists
        self.stop_node(0)
        os.mkdir(invdir)
        self.start_node(0, [f"-debuglogfile={invalidname}"])
        assert os.path.isfile(os.path.join(invdir, "foo.log"))

        # check that -nodebuglogfile disables logging
        self.stop_node(0)
        os.unlink(default_log_path)
        assert not os.path.isfile(default_log_path)
        self.start_node(0, ["-nodebuglogfile"])
        assert not os.path.isfile(default_log_path)

        # just sanity check no crash here
        self.restart_node(0, [f"-debuglogfile={os.devnull}"])

        self.log.info("Test -debug and -debugexclude raise when invalid values are passed")
        self.stop_node(0)
        self.nodes[0].assert_start_raises_init_error(
            extra_args=["-debug=abc"],
            expected_msg="Error: Unsupported logging category -debug=abc.",
            match=ErrorMatch.FULL_REGEX,
        )
        self.nodes[0].assert_start_raises_init_error(
            extra_args=["-debugexclude=abc"],
            expected_msg="Error: Unsupported logging category -debugexclude=abc.",
            match=ErrorMatch.FULL_REGEX,
        )

        self.log.info("Test -loglevel raises when invalid values are passed")
        self.nodes[0].assert_start_raises_init_error(
            extra_args=["-loglevel=abc"],
            expected_msg="Error: Unsupported global logging level -loglevel=abc. Valid values: info, debug, trace.",
            match=ErrorMatch.FULL_REGEX,
        )
        self.nodes[0].assert_start_raises_init_error(
            extra_args=["-loglevel=net:abc"],
            expected_msg="Error: Unsupported category-specific logging level -loglevel=net:abc.",
            match=ErrorMatch.PARTIAL_REGEX,
        )
        self.nodes[0].assert_start_raises_init_error(
            extra_args=["-loglevel=net:info:abc"],
            expected_msg="Error: Unsupported category-specific logging level -loglevel=net:info:abc.",
            match=ErrorMatch.PARTIAL_REGEX,
        )

        self.log.info("Test that -nodebug,-debug=0,-debug=none clear previously specified debug options")
        disable_debug_options = [
            '-debug=0',
            '-debug=none',
            '-nodebug'
        ]

        for disable_debug_opt in disable_debug_options:
            # Every category before disable_debug_opt will be ignored, including the invalid 'abc'
            self.restart_node(0, ['-debug=http', '-debug=abc', disable_debug_opt, '-debug=rpc', '-debug=net'])
            logging = self.nodes[0].logging()
            assert not logging['http']
            assert 'abc' not in logging
            assert logging['rpc']
            assert logging['net']

        self.log.info("Test -logips formatting in net logs")
        self.restart_node(0, ['-debug=net', '-logips=1'])
        with self.nodes[0].assert_debug_log(["peer=0, peeraddr="]):
            p2p = self.nodes[0].add_p2p_connection(P2PInterface())
            p2p.wait_for_verack()
            self.nodes[0].disconnect_p2ps()

if __name__ == '__main__':
    LoggingTest(__file__).main()