commit cb774063b50e0909b9c34645d12bd6a89bcdd9df Author: teor <teor@torproject.org> Date: Wed Apr 10 20:25:02 2019 +1000 When running tests, install signal handlers that log stack traces SIGUSR1: log stack trace and continue SIGABRT: log stack trace and exit(-1) Closes ticket 30012. --- test/__init__.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/test/__init__.py b/test/__init__.py index fa9678af..dc1ab559 100644 --- a/test/__init__.py +++ b/test/__init__.py @@ -16,10 +16,28 @@ Unit and integration tests for the stem library. Helpers include... import collections import itertools import os +import signal +import sys +import traceback import stem.util.enum import stem.version +# Install signal handlers before doing anything else +def log_traceback(sig, frame): + """Log a stack trace. exit(-1) if the signal was SIGABRT.""" + message = "Signal {} received.\nTraceback:\n".format(sig) + message += ''.join(traceback.format_stack(frame)) + print(message) + if sig == signal.SIGABRT: + sys.exit(-1) + +# Register handlers +# Log stack trace and exit +signal.signal(signal.SIGABRT, log_traceback) +# Log stack trace and continue +signal.signal(signal.SIGUSR1, log_traceback) + __all__ = [ 'network', 'output',