130 lines
4.3 KiB
Python
130 lines
4.3 KiB
Python
import atexit
|
|
import faulthandler
|
|
import os
|
|
import signal
|
|
import sys
|
|
import unittest
|
|
from test import support
|
|
try:
|
|
import gc
|
|
except ImportError:
|
|
gc = None
|
|
|
|
|
|
def setup_tests(ns):
|
|
try:
|
|
stderr_fd = sys.__stderr__.fileno()
|
|
except (ValueError, AttributeError):
|
|
# Catch ValueError to catch io.UnsupportedOperation on TextIOBase
|
|
# and ValueError on a closed stream.
|
|
#
|
|
# Catch AttributeError for stderr being None.
|
|
stderr_fd = None
|
|
else:
|
|
# Display the Python traceback on fatal errors (e.g. segfault)
|
|
faulthandler.enable(all_threads=True, file=stderr_fd)
|
|
|
|
# Display the Python traceback on SIGALRM or SIGUSR1 signal
|
|
signals = []
|
|
if hasattr(signal, 'SIGALRM'):
|
|
signals.append(signal.SIGALRM)
|
|
if hasattr(signal, 'SIGUSR1'):
|
|
signals.append(signal.SIGUSR1)
|
|
for signum in signals:
|
|
faulthandler.register(signum, chain=True, file=stderr_fd)
|
|
|
|
replace_stdout()
|
|
support.record_original_stdout(sys.stdout)
|
|
|
|
if ns.testdir:
|
|
# Prepend test directory to sys.path, so runtest() will be able
|
|
# to locate tests
|
|
sys.path.insert(0, os.path.abspath(ns.testdir))
|
|
|
|
# Some times __path__ and __file__ are not absolute (e.g. while running from
|
|
# Lib/) and, if we change the CWD to run the tests in a temporary dir, some
|
|
# imports might fail. This affects only the modules imported before os.chdir().
|
|
# These modules are searched first in sys.path[0] (so '' -- the CWD) and if
|
|
# they are found in the CWD their __file__ and __path__ will be relative (this
|
|
# happens before the chdir). All the modules imported after the chdir, are
|
|
# not found in the CWD, and since the other paths in sys.path[1:] are absolute
|
|
# (site.py absolutize them), the __file__ and __path__ will be absolute too.
|
|
# Therefore it is necessary to absolutize manually the __file__ and __path__ of
|
|
# the packages to prevent later imports to fail when the CWD is different.
|
|
for module in sys.modules.values():
|
|
if hasattr(module, '__path__'):
|
|
for index, path in enumerate(module.__path__):
|
|
module.__path__[index] = os.path.abspath(path)
|
|
if getattr(module, '__file__', None):
|
|
module.__file__ = os.path.abspath(module.__file__)
|
|
|
|
if ns.huntrleaks:
|
|
unittest.BaseTestSuite._cleanup = False
|
|
|
|
if ns.memlimit is not None:
|
|
support.set_memlimit(ns.memlimit)
|
|
|
|
if ns.threshold is not None:
|
|
gc.set_threshold(ns.threshold)
|
|
|
|
suppress_msvcrt_asserts(ns.verbose and ns.verbose >= 2)
|
|
|
|
support.use_resources = ns.use_resources
|
|
|
|
if hasattr(sys, 'addaudithook'):
|
|
# Add an auditing hook for all tests to ensure PySys_Audit is tested
|
|
def _test_audit_hook(name, args):
|
|
pass
|
|
sys.addaudithook(_test_audit_hook)
|
|
|
|
|
|
def suppress_msvcrt_asserts(verbose):
|
|
try:
|
|
import msvcrt
|
|
except ImportError:
|
|
return
|
|
|
|
msvcrt.SetErrorMode(msvcrt.SEM_FAILCRITICALERRORS|
|
|
msvcrt.SEM_NOALIGNMENTFAULTEXCEPT|
|
|
msvcrt.SEM_NOGPFAULTERRORBOX|
|
|
msvcrt.SEM_NOOPENFILEERRORBOX)
|
|
try:
|
|
msvcrt.CrtSetReportMode
|
|
except AttributeError:
|
|
# release build
|
|
return
|
|
|
|
for m in [msvcrt.CRT_WARN, msvcrt.CRT_ERROR, msvcrt.CRT_ASSERT]:
|
|
if verbose:
|
|
msvcrt.CrtSetReportMode(m, msvcrt.CRTDBG_MODE_FILE)
|
|
msvcrt.CrtSetReportFile(m, msvcrt.CRTDBG_FILE_STDERR)
|
|
else:
|
|
msvcrt.CrtSetReportMode(m, 0)
|
|
|
|
|
|
|
|
def replace_stdout():
|
|
"""Set stdout encoder error handler to backslashreplace (as stderr error
|
|
handler) to avoid UnicodeEncodeError when printing a traceback"""
|
|
stdout = sys.stdout
|
|
try:
|
|
fd = stdout.fileno()
|
|
except ValueError:
|
|
# On IDLE, sys.stdout has no file descriptor and is not a TextIOWrapper
|
|
# object. Leaving sys.stdout unchanged.
|
|
#
|
|
# Catch ValueError to catch io.UnsupportedOperation on TextIOBase
|
|
# and ValueError on a closed stream.
|
|
return
|
|
|
|
sys.stdout = open(fd, 'w',
|
|
encoding=stdout.encoding,
|
|
errors="backslashreplace",
|
|
closefd=False,
|
|
newline='\n')
|
|
|
|
def restore_stdout():
|
|
sys.stdout.close()
|
|
sys.stdout = stdout
|
|
atexit.register(restore_stdout)
|