2015-09-26 05:38:01 -03:00
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import faulthandler
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import os
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2015-09-29 17:48:52 -03:00
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import platform
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import random
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2015-09-26 05:38:01 -03:00
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import re
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2015-09-29 17:48:52 -03:00
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import signal
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2015-09-26 05:38:01 -03:00
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import sys
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import sysconfig
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2015-09-29 17:48:52 -03:00
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import tempfile
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import textwrap
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2015-09-26 05:38:01 -03:00
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import unittest
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from test.libregrtest.runtest import (
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findtests, runtest,
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STDTESTS, NOTTESTS, PASSED, FAILED, ENV_CHANGED, SKIPPED, RESOURCE_DENIED)
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2015-09-26 05:38:01 -03:00
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from test.libregrtest.refleak import warm_caches
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from test.libregrtest.cmdline import _parse_args
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from test import support
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try:
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import gc
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except ImportError:
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gc = None
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try:
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import threading
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except ImportError:
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threading = None
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# When tests are run from the Python build directory, it is best practice
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# to keep the test files in a subfolder. This eases the cleanup of leftover
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# files using the "make distclean" command.
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if sysconfig.is_python_build():
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TEMPDIR = os.path.join(sysconfig.get_config_var('srcdir'), 'build')
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else:
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TEMPDIR = tempfile.gettempdir()
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TEMPDIR = os.path.abspath(TEMPDIR)
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2015-09-29 17:48:52 -03:00
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def setup_python():
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# Display the Python traceback on fatal errors (e.g. segfault)
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faulthandler.enable(all_threads=True)
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# Display the Python traceback on SIGALRM or SIGUSR1 signal
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signals = []
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if hasattr(signal, 'SIGALRM'):
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signals.append(signal.SIGALRM)
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if hasattr(signal, 'SIGUSR1'):
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signals.append(signal.SIGUSR1)
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for signum in signals:
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faulthandler.register(signum, chain=True)
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replace_stdout()
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support.record_original_stdout(sys.stdout)
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# Some times __path__ and __file__ are not absolute (e.g. while running from
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# Lib/) and, if we change the CWD to run the tests in a temporary dir, some
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# imports might fail. This affects only the modules imported before os.chdir().
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# These modules are searched first in sys.path[0] (so '' -- the CWD) and if
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# they are found in the CWD their __file__ and __path__ will be relative (this
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# happens before the chdir). All the modules imported after the chdir, are
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# not found in the CWD, and since the other paths in sys.path[1:] are absolute
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# (site.py absolutize them), the __file__ and __path__ will be absolute too.
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# Therefore it is necessary to absolutize manually the __file__ and __path__ of
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# the packages to prevent later imports to fail when the CWD is different.
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for module in sys.modules.values():
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if hasattr(module, '__path__'):
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module.__path__ = [os.path.abspath(path) for path in module.__path__]
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if hasattr(module, '__file__'):
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module.__file__ = os.path.abspath(module.__file__)
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# MacOSX (a.k.a. Darwin) has a default stack size that is too small
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# for deeply recursive regular expressions. We see this as crashes in
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# the Python test suite when running test_re.py and test_sre.py. The
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# fix is to set the stack limit to 2048.
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# This approach may also be useful for other Unixy platforms that
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# suffer from small default stack limits.
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if sys.platform == 'darwin':
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try:
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import resource
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except ImportError:
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pass
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else:
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soft, hard = resource.getrlimit(resource.RLIMIT_STACK)
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newsoft = min(hard, max(soft, 1024*2048))
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resource.setrlimit(resource.RLIMIT_STACK, (newsoft, hard))
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class Regrtest:
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"""Execute a test suite.
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This also parses command-line options and modifies its behavior
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accordingly.
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tests -- a list of strings containing test names (optional)
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testdir -- the directory in which to look for tests (optional)
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Users other than the Python test suite will certainly want to
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specify testdir; if it's omitted, the directory containing the
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Python test suite is searched for.
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If the tests argument is omitted, the tests listed on the
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command-line will be used. If that's empty, too, then all *.py
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files beginning with test_ will be used.
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The other default arguments (verbose, quiet, exclude,
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single, randomize, findleaks, use_resources, trace, coverdir,
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print_slow, and random_seed) allow programmers calling main()
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directly to set the values that would normally be set by flags
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on the command line.
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"""
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def __init__(self):
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# Namespace of command line options
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self.ns = None
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# tests
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self.tests = []
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self.selected = []
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# test results
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self.good = []
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self.bad = []
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self.skipped = []
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self.resource_denieds = []
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self.environment_changed = []
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self.interrupted = False
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# used by --slow
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self.test_times = []
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# used by --coverage, trace.Trace instance
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self.tracer = None
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# used by --findleaks, store for gc.garbage
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self.found_garbage = []
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# used to display the progress bar "[ 3/100]"
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self.test_count = ''
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self.test_count_width = 1
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# used by --single
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self.next_single_test = None
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self.next_single_filename = None
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def accumulate_result(self, test, result):
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ok, test_time = result
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self.test_times.append((test_time, test))
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if ok == PASSED:
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self.good.append(test)
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elif ok == FAILED:
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self.bad.append(test)
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elif ok == ENV_CHANGED:
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self.environment_changed.append(test)
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elif ok == SKIPPED:
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self.skipped.append(test)
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elif ok == RESOURCE_DENIED:
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self.skipped.append(test)
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self.resource_denieds.append(test)
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def display_progress(self, test_index, test):
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if self.ns.quiet:
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return
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fmt = "[{1:{0}}{2}/{3}] {4}" if self.bad else "[{1:{0}}{2}] {4}"
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print(fmt.format(
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self.test_count_width, test_index, self.test_count, len(self.bad), test))
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sys.stdout.flush()
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def setup_regrtest(self):
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if self.ns.huntrleaks:
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# Avoid false positives due to various caches
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# filling slowly with random data:
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warm_caches()
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if self.ns.memlimit is not None:
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support.set_memlimit(self.ns.memlimit)
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if self.ns.threshold is not None:
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if gc is not None:
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gc.set_threshold(self.ns.threshold)
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else:
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print('No GC available, ignore --threshold.')
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if self.ns.nowindows:
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import msvcrt
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msvcrt.SetErrorMode(msvcrt.SEM_FAILCRITICALERRORS|
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msvcrt.SEM_NOALIGNMENTFAULTEXCEPT|
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msvcrt.SEM_NOGPFAULTERRORBOX|
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msvcrt.SEM_NOOPENFILEERRORBOX)
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try:
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msvcrt.CrtSetReportMode
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except AttributeError:
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# release build
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pass
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else:
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for m in [msvcrt.CRT_WARN, msvcrt.CRT_ERROR, msvcrt.CRT_ASSERT]:
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msvcrt.CrtSetReportMode(m, msvcrt.CRTDBG_MODE_FILE)
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msvcrt.CrtSetReportFile(m, msvcrt.CRTDBG_FILE_STDERR)
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if self.ns.findleaks:
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if gc is not None:
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# Uncomment the line below to report garbage that is not
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# freeable by reference counting alone. By default only
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# garbage that is not collectable by the GC is reported.
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pass
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#gc.set_debug(gc.DEBUG_SAVEALL)
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else:
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print('No GC available, disabling --findleaks')
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self.ns.findleaks = False
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if self.ns.huntrleaks:
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unittest.BaseTestSuite._cleanup = False
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# Strip .py extensions.
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removepy(self.ns.args)
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if self.ns.trace:
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import trace
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self.tracer = trace.Trace(ignoredirs=[sys.base_prefix,
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sys.base_exec_prefix,
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tempfile.gettempdir()],
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trace=False, count=True)
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def find_tests(self, tests):
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self.tests = tests
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if self.ns.single:
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self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest')
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try:
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with open(self.next_single_filename, 'r') as fp:
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next_test = fp.read().strip()
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self.tests = [next_test]
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except OSError:
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pass
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if self.ns.fromfile:
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self.tests = []
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with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp:
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count_pat = re.compile(r'\[\s*\d+/\s*\d+\]')
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for line in fp:
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line = count_pat.sub('', line)
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guts = line.split() # assuming no test has whitespace in its name
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if guts and not guts[0].startswith('#'):
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self.tests.extend(guts)
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removepy(self.tests)
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stdtests = STDTESTS[:]
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nottests = NOTTESTS.copy()
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if self.ns.exclude:
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for arg in self.ns.args:
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if arg in stdtests:
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stdtests.remove(arg)
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nottests.add(arg)
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self.ns.args = []
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# For a partial run, we do not need to clutter the output.
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if self.ns.verbose or self.ns.header or not (self.ns.quiet or self.ns.single or self.tests or self.ns.args):
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# Print basic platform information
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print("==", platform.python_implementation(), *sys.version.split())
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print("== ", platform.platform(aliased=True),
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"%s-endian" % sys.byteorder)
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print("== ", "hash algorithm:", sys.hash_info.algorithm,
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"64bit" if sys.maxsize > 2**32 else "32bit")
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print("== ", os.getcwd())
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print("Testing with flags:", sys.flags)
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# if testdir is set, then we are not running the python tests suite, so
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# don't add default tests to be executed or skipped (pass empty values)
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if self.ns.testdir:
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alltests = findtests(self.ns.testdir, list(), set())
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else:
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alltests = findtests(self.ns.testdir, stdtests, nottests)
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self.selected = self.tests or self.ns.args or alltests
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if self.ns.single:
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self.selected = self.selected[:1]
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try:
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pos = alltests.index(self.selected[0])
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self.next_single_test = alltests[pos + 1]
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except IndexError:
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pass
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# Remove all the self.selected tests that precede start if it's set.
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if self.ns.start:
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try:
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del self.selected[:self.selected.index(self.ns.start)]
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except ValueError:
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print("Couldn't find starting test (%s), using all tests" % self.ns.start)
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if self.ns.randomize:
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if self.ns.random_seed is None:
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self.ns.random_seed = random.randrange(10000000)
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random.seed(self.ns.random_seed)
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print("Using random seed", self.ns.random_seed)
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random.shuffle(self.selected)
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def display_result(self):
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if self.interrupted:
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# print a newline after ^C
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print()
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print("Test suite interrupted by signal SIGINT.")
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omitted = set(self.selected) - set(self.good) - set(self.bad) - set(self.skipped)
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print(count(len(omitted), "test"), "omitted:")
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printlist(omitted)
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if self.good and not self.ns.quiet:
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if not self.bad and not self.skipped and not self.interrupted and len(self.good) > 1:
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print("All", end=' ')
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print(count(len(self.good), "test"), "OK.")
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if self.ns.print_slow:
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self.test_times.sort(reverse=True)
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print("10 slowest tests:")
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for time, test in self.test_times[:10]:
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print("%s: %.1fs" % (test, time))
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if self.bad:
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print(count(len(self.bad), "test"), "failed:")
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printlist(self.bad)
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if self.environment_changed:
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print("{} altered the execution environment:".format(
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count(len(self.environment_changed), "test")))
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printlist(self.environment_changed)
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if self.skipped and not self.ns.quiet:
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print(count(len(self.skipped), "test"), "skipped:")
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printlist(self.skipped)
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if self.ns.verbose2 and self.bad:
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print("Re-running failed tests in verbose mode")
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for test in self.bad[:]:
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print("Re-running test %r in verbose mode" % test)
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sys.stdout.flush()
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try:
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self.ns.verbose = True
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ok = runtest(test, True, self.ns.quiet, self.ns.huntrleaks,
|
|
|
|
timeout=self.ns.timeout)
|
|
|
|
except KeyboardInterrupt:
|
|
|
|
# print a newline separate from the ^C
|
|
|
|
print()
|
|
|
|
break
|
|
|
|
else:
|
|
|
|
if ok[0] in {PASSED, ENV_CHANGED, SKIPPED, RESOURCE_DENIED}:
|
|
|
|
self.bad.remove(test)
|
|
|
|
else:
|
|
|
|
if self.bad:
|
|
|
|
print(count(len(self.bad), 'test'), "failed again:")
|
|
|
|
printlist(self.bad)
|
|
|
|
|
|
|
|
def _run_tests_sequential(self):
|
|
|
|
save_modules = sys.modules.keys()
|
|
|
|
|
|
|
|
for test_index, test in enumerate(self.tests, 1):
|
|
|
|
self.display_progress(test_index, test)
|
|
|
|
if self.ns.trace:
|
2015-09-26 05:38:01 -03:00
|
|
|
# If we're tracing code coverage, then we don't exit with status
|
|
|
|
# if on a false return value from main.
|
2015-09-29 17:48:52 -03:00
|
|
|
cmd = 'runtest(test, self.ns.verbose, self.ns.quiet, timeout=self.ns.timeout)'
|
|
|
|
self.tracer.runctx(cmd, globals=globals(), locals=vars())
|
2015-09-26 05:38:01 -03:00
|
|
|
else:
|
|
|
|
try:
|
2015-09-29 17:48:52 -03:00
|
|
|
result = runtest(test, self.ns.verbose, self.ns.quiet,
|
|
|
|
self.ns.huntrleaks,
|
|
|
|
output_on_failure=self.ns.verbose3,
|
|
|
|
timeout=self.ns.timeout, failfast=self.ns.failfast,
|
|
|
|
match_tests=self.ns.match_tests)
|
|
|
|
self.accumulate_result(test, result)
|
2015-09-26 05:38:01 -03:00
|
|
|
except KeyboardInterrupt:
|
2015-09-29 17:48:52 -03:00
|
|
|
self.interrupted = True
|
2015-09-26 05:38:01 -03:00
|
|
|
break
|
2015-09-29 17:48:52 -03:00
|
|
|
if self.ns.findleaks:
|
2015-09-26 05:38:01 -03:00
|
|
|
gc.collect()
|
|
|
|
if gc.garbage:
|
|
|
|
print("Warning: test created", len(gc.garbage), end=' ')
|
|
|
|
print("uncollectable object(s).")
|
|
|
|
# move the uncollectable objects somewhere so we don't see
|
|
|
|
# them again
|
2015-09-29 17:48:52 -03:00
|
|
|
self.found_garbage.extend(gc.garbage)
|
2015-09-26 05:38:01 -03:00
|
|
|
del gc.garbage[:]
|
|
|
|
# Unload the newly imported modules (best effort finalization)
|
|
|
|
for module in sys.modules.keys():
|
|
|
|
if module not in save_modules and module.startswith("test."):
|
|
|
|
support.unload(module)
|
|
|
|
|
2015-09-29 17:48:52 -03:00
|
|
|
def run_tests(self):
|
|
|
|
support.verbose = self.ns.verbose # Tell tests to be moderately quiet
|
|
|
|
support.use_resources = self.ns.use_resources
|
2015-09-26 05:38:01 -03:00
|
|
|
|
2015-09-29 17:48:52 -03:00
|
|
|
if self.ns.forever:
|
|
|
|
def test_forever(tests):
|
|
|
|
while True:
|
|
|
|
for test in tests:
|
|
|
|
yield test
|
|
|
|
if self.bad:
|
|
|
|
return
|
|
|
|
self.tests = test_forever(list(self.selected))
|
|
|
|
self.test_count = ''
|
|
|
|
self.test_count_width = 3
|
|
|
|
else:
|
|
|
|
self.tests = iter(self.selected)
|
|
|
|
self.test_count = '/{}'.format(len(self.selected))
|
|
|
|
self.test_count_width = len(self.test_count) - 1
|
2015-09-26 05:38:01 -03:00
|
|
|
|
2015-09-29 17:48:52 -03:00
|
|
|
if self.ns.use_mp:
|
2015-09-29 18:15:38 -03:00
|
|
|
from test.libregrtest.runtest_mp import run_tests_multiprocess
|
|
|
|
run_tests_multiprocess(self)
|
2015-09-29 17:48:52 -03:00
|
|
|
else:
|
|
|
|
self._run_tests_sequential()
|
2015-09-26 05:38:01 -03:00
|
|
|
|
2015-09-29 17:48:52 -03:00
|
|
|
def finalize(self):
|
|
|
|
if self.next_single_filename:
|
|
|
|
if self.next_single_test:
|
|
|
|
with open(self.next_single_filename, 'w') as fp:
|
|
|
|
fp.write(self.next_single_test + '\n')
|
|
|
|
else:
|
|
|
|
os.unlink(self.next_single_filename)
|
|
|
|
|
|
|
|
if self.ns.trace:
|
|
|
|
r = self.tracer.results()
|
|
|
|
r.write_results(show_missing=True, summary=True,
|
|
|
|
coverdir=self.ns.coverdir)
|
|
|
|
|
|
|
|
if self.ns.runleaks:
|
|
|
|
os.system("leaks %d" % os.getpid())
|
|
|
|
|
|
|
|
def main(self, tests=None, **kwargs):
|
|
|
|
setup_python()
|
|
|
|
self.ns = _parse_args(sys.argv[1:], **kwargs)
|
|
|
|
self.setup_regrtest()
|
|
|
|
if self.ns.wait:
|
|
|
|
input("Press any key to continue...")
|
|
|
|
if self.ns.slaveargs is not None:
|
2015-09-29 18:15:38 -03:00
|
|
|
from test.libregrtest.runtest_mp import run_tests_slave
|
|
|
|
run_tests_slave(self.ns.slaveargs)
|
2015-09-29 17:48:52 -03:00
|
|
|
self.find_tests(tests)
|
|
|
|
self.run_tests()
|
|
|
|
self.display_result()
|
|
|
|
self.finalize()
|
|
|
|
sys.exit(len(self.bad) > 0 or self.interrupted)
|
2015-09-26 05:38:01 -03:00
|
|
|
|
|
|
|
|
|
|
|
def replace_stdout():
|
|
|
|
"""Set stdout encoder error handler to backslashreplace (as stderr error
|
|
|
|
handler) to avoid UnicodeEncodeError when printing a traceback"""
|
|
|
|
import atexit
|
|
|
|
|
|
|
|
stdout = sys.stdout
|
|
|
|
sys.stdout = open(stdout.fileno(), 'w',
|
|
|
|
encoding=stdout.encoding,
|
|
|
|
errors="backslashreplace",
|
|
|
|
closefd=False,
|
|
|
|
newline='\n')
|
|
|
|
|
|
|
|
def restore_stdout():
|
|
|
|
sys.stdout.close()
|
|
|
|
sys.stdout = stdout
|
|
|
|
atexit.register(restore_stdout)
|
|
|
|
|
|
|
|
|
|
|
|
def removepy(names):
|
|
|
|
if not names:
|
|
|
|
return
|
|
|
|
for idx, name in enumerate(names):
|
|
|
|
basename, ext = os.path.splitext(name)
|
|
|
|
if ext == '.py':
|
|
|
|
names[idx] = basename
|
|
|
|
|
|
|
|
|
|
|
|
def count(n, word):
|
|
|
|
if n == 1:
|
|
|
|
return "%d %s" % (n, word)
|
|
|
|
else:
|
|
|
|
return "%d %ss" % (n, word)
|
|
|
|
|
|
|
|
|
|
|
|
def printlist(x, width=70, indent=4):
|
|
|
|
"""Print the elements of iterable x to stdout.
|
|
|
|
|
|
|
|
Optional arg width (default 70) is the maximum line length.
|
|
|
|
Optional arg indent (default 4) is the number of blanks with which to
|
|
|
|
begin each line.
|
|
|
|
"""
|
|
|
|
|
|
|
|
blanks = ' ' * indent
|
|
|
|
# Print the sorted list: 'x' may be a '--random' list or a set()
|
2015-09-29 17:48:52 -03:00
|
|
|
print(textwrap.fill(' '.join(str(elt) for elt in sorted(x)), width,
|
|
|
|
initial_indent=blanks, subsequent_indent=blanks))
|
|
|
|
|
|
|
|
|
|
|
|
def main(tests=None, **kwargs):
|
|
|
|
Regrtest().main(tests=tests, **kwargs)
|
2015-09-26 05:38:01 -03:00
|
|
|
|
|
|
|
|
|
|
|
def main_in_temp_cwd():
|
|
|
|
"""Run main() in a temporary working directory."""
|
|
|
|
if sysconfig.is_python_build():
|
|
|
|
try:
|
|
|
|
os.mkdir(TEMPDIR)
|
|
|
|
except FileExistsError:
|
|
|
|
pass
|
|
|
|
|
|
|
|
# Define a writable temp dir that will be used as cwd while running
|
|
|
|
# the tests. The name of the dir includes the pid to allow parallel
|
|
|
|
# testing (see the -j option).
|
|
|
|
test_cwd = 'test_python_{}'.format(os.getpid())
|
|
|
|
test_cwd = os.path.join(TEMPDIR, test_cwd)
|
|
|
|
|
|
|
|
# Run the tests in a context manager that temporarily changes the CWD to a
|
|
|
|
# temporary and writable directory. If it's not possible to create or
|
|
|
|
# change the CWD, the original CWD will be used. The original CWD is
|
|
|
|
# available from support.SAVEDCWD.
|
|
|
|
with support.temp_cwd(test_cwd, quiet=True):
|
|
|
|
main()
|