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bitcoin/test/functional/feature_logging.py

76 lines
2.9 KiB

#!/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 debug logging."""
import os
from test_framework.test_framework import BitcoinTestFramework
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].datadir, self.chain, 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, ["-debuglogfile=%s" % 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 = r"Error: Could not open debug log file \S+$"
self.nodes[0].assert_start_raises_init_error(["-debuglogfile=%s" % (invalidname)], exp_stderr, match=ErrorMatch.FULL_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, ["-debuglogfile=%s" % (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(["-debuglogfile=%s" % invalidname], exp_stderr, match=ErrorMatch.FULL_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, ["-debuglogfile=%s" % (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.stop_node(0)
self.start_node(0, ["-debuglogfile=%s" % os.devnull])
if __name__ == '__main__':
LoggingTest().main()