summaryrefslogtreecommitdiffstats
path: root/Lib/test/regrtest.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/test/regrtest.py')
-rwxr-xr-xLib/test/regrtest.py364
1 files changed, 38 insertions, 326 deletions
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 8f3b689..5d9d82d 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -615,7 +615,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
sys.exit(2)
from queue import Queue
from subprocess import Popen, PIPE
- debug_output_pat = re.compile(r"\[\d+ refs\]$")
+ debug_output_pat = re.compile(r"\[\d+ refs, \d+ blocks\]$")
output = Queue()
pending = MultiprocessTests(tests)
opt_args = support.args_from_interpreter_flags()
@@ -763,20 +763,6 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
print(count(len(skipped), "test"), "skipped:")
printlist(skipped)
- e = _ExpectedSkips()
- plat = sys.platform
- if e.isvalid():
- surprise = set(skipped) - e.getexpected() - set(resource_denieds)
- if surprise:
- print(count(len(surprise), "skip"), \
- "unexpected on", plat + ":")
- printlist(surprise)
- else:
- print("Those skips are all expected on", plat + ".")
- else:
- print("Ask someone to teach regrtest.py about which tests are")
- print("expected to get skipped on", plat + ".")
-
if verbose2 and bad:
print("Re-running failed tests in verbose mode")
for test in bad:
@@ -1210,8 +1196,7 @@ def runtest_inner(test, verbose, quiet,
abstest = 'test.' + test
with saved_test_environment(test, verbose, quiet) as environment:
start_time = time.time()
- the_package = __import__(abstest, globals(), locals(), [])
- the_module = getattr(the_package, test)
+ the_module = importlib.import_module(abstest)
# If the test has a test_main, that will run the appropriate
# tests. If not, use normal unittest test loading.
test_runner = getattr(the_module, "test_main", None)
@@ -1335,33 +1320,50 @@ def dash_R(the_module, test, indirect_test, huntrleaks):
del sys.modules[the_module.__name__]
exec('import ' + the_module.__name__)
- deltas = []
nwarmup, ntracked, fname = huntrleaks
fname = os.path.join(support.SAVEDCWD, fname)
repcount = nwarmup + ntracked
+ rc_deltas = [0] * repcount
+ alloc_deltas = [0] * repcount
+
print("beginning", repcount, "repetitions", file=sys.stderr)
print(("1234567890"*(repcount//10 + 1))[:repcount], file=sys.stderr)
sys.stderr.flush()
- dash_R_cleanup(fs, ps, pic, zdc, abcs)
for i in range(repcount):
- rc_before = sys.gettotalrefcount()
run_the_test()
+ alloc_after, rc_after = dash_R_cleanup(fs, ps, pic, zdc, abcs)
sys.stderr.write('.')
sys.stderr.flush()
- dash_R_cleanup(fs, ps, pic, zdc, abcs)
- rc_after = sys.gettotalrefcount()
if i >= nwarmup:
- deltas.append(rc_after - rc_before)
+ rc_deltas[i] = rc_after - rc_before
+ alloc_deltas[i] = alloc_after - alloc_before
+ alloc_before, rc_before = alloc_after, rc_after
print(file=sys.stderr)
- if any(deltas):
- msg = '%s leaked %s references, sum=%s' % (test, deltas, sum(deltas))
- print(msg, file=sys.stderr)
- sys.stderr.flush()
- with open(fname, "a") as refrep:
- print(msg, file=refrep)
- refrep.flush()
- return True
- return False
+ # These checkers return False on success, True on failure
+ def check_rc_deltas(deltas):
+ return any(deltas)
+ def check_alloc_deltas(deltas):
+ # At least 1/3rd of 0s
+ if 3 * deltas.count(0) < len(deltas):
+ return True
+ # Nothing else than 1s, 0s and -1s
+ if not set(deltas) <= {1,0,-1}:
+ return True
+ return False
+ failed = False
+ for deltas, item_name, checker in [
+ (rc_deltas, 'references', check_rc_deltas),
+ (alloc_deltas, 'memory blocks', check_alloc_deltas)]:
+ if checker(deltas):
+ msg = '%s leaked %s %s, sum=%s' % (
+ test, deltas[nwarmup:], item_name, sum(deltas))
+ print(msg, file=sys.stderr)
+ sys.stderr.flush()
+ with open(fname, "a") as refrep:
+ print(msg, file=refrep)
+ refrep.flush()
+ failed = True
+ return failed
def dash_R_cleanup(fs, ps, pic, zdc, abcs):
import gc, copyreg
@@ -1427,8 +1429,11 @@ def dash_R_cleanup(fs, ps, pic, zdc, abcs):
else:
ctypes._reset_cache()
- # Collect cyclic trash.
+ # Collect cyclic trash and read memory statistics immediately after.
+ func1 = sys.getallocatedblocks
+ func2 = sys.gettotalrefcount
gc.collect()
+ return func1(), func2()
def warm_caches():
# char cache
@@ -1471,299 +1476,6 @@ def printlist(x, width=70, indent=4):
print(fill(' '.join(str(elt) for elt in sorted(x)), width,
initial_indent=blanks, subsequent_indent=blanks))
-# Map sys.platform to a string containing the basenames of tests
-# expected to be skipped on that platform.
-#
-# Special cases:
-# test_pep277
-# The _ExpectedSkips constructor adds this to the set of expected
-# skips if not os.path.supports_unicode_filenames.
-# test_timeout
-# Controlled by test_timeout.skip_expected. Requires the network
-# resource and a socket module.
-#
-# Tests that are expected to be skipped everywhere except on one platform
-# are also handled separately.
-
-_expectations = (
- ('win32',
- """
- test__locale
- test_crypt
- test_curses
- test_dbm
- test_devpoll
- test_fcntl
- test_fork1
- test_epoll
- test_dbm_gnu
- test_dbm_ndbm
- test_grp
- test_ioctl
- test_largefile
- test_kqueue
- test_openpty
- test_ossaudiodev
- test_pipes
- test_poll
- test_posix
- test_pty
- test_pwd
- test_resource
- test_signal
- test_syslog
- test_threadsignals
- test_wait3
- test_wait4
- """),
- ('linux',
- """
- test_curses
- test_devpoll
- test_largefile
- test_kqueue
- test_ossaudiodev
- """),
- ('unixware',
- """
- test_epoll
- test_largefile
- test_kqueue
- test_minidom
- test_openpty
- test_pyexpat
- test_sax
- test_sundry
- """),
- ('openunix',
- """
- test_epoll
- test_largefile
- test_kqueue
- test_minidom
- test_openpty
- test_pyexpat
- test_sax
- test_sundry
- """),
- ('sco_sv',
- """
- test_asynchat
- test_fork1
- test_epoll
- test_gettext
- test_largefile
- test_locale
- test_kqueue
- test_minidom
- test_openpty
- test_pyexpat
- test_queue
- test_sax
- test_sundry
- test_thread
- test_threaded_import
- test_threadedtempfile
- test_threading
- """),
- ('darwin',
- """
- test__locale
- test_curses
- test_devpoll
- test_epoll
- test_dbm_gnu
- test_gdb
- test_largefile
- test_locale
- test_minidom
- test_ossaudiodev
- test_poll
- """),
- ('sunos',
- """
- test_curses
- test_dbm
- test_epoll
- test_kqueue
- test_dbm_gnu
- test_gzip
- test_openpty
- test_zipfile
- test_zlib
- """),
- ('hp-ux',
- """
- test_curses
- test_epoll
- test_dbm_gnu
- test_gzip
- test_largefile
- test_locale
- test_kqueue
- test_minidom
- test_openpty
- test_pyexpat
- test_sax
- test_zipfile
- test_zlib
- """),
- ('cygwin',
- """
- test_curses
- test_dbm
- test_devpoll
- test_epoll
- test_ioctl
- test_kqueue
- test_largefile
- test_locale
- test_ossaudiodev
- test_socketserver
- """),
- ('os2emx',
- """
- test_audioop
- test_curses
- test_epoll
- test_kqueue
- test_largefile
- test_mmap
- test_openpty
- test_ossaudiodev
- test_pty
- test_resource
- test_signal
- """),
- ('freebsd',
- """
- test_devpoll
- test_epoll
- test_dbm_gnu
- test_locale
- test_ossaudiodev
- test_pep277
- test_pty
- test_socketserver
- test_tcl
- test_tk
- test_ttk_guionly
- test_ttk_textonly
- test_timeout
- test_urllibnet
- test_multiprocessing
- """),
- ('aix',
- """
- test_bz2
- test_epoll
- test_dbm_gnu
- test_gzip
- test_kqueue
- test_ossaudiodev
- test_tcl
- test_tk
- test_ttk_guionly
- test_ttk_textonly
- test_zipimport
- test_zlib
- """),
- ('openbsd',
- """
- test_ctypes
- test_devpoll
- test_epoll
- test_dbm_gnu
- test_locale
- test_normalization
- test_ossaudiodev
- test_pep277
- test_tcl
- test_tk
- test_ttk_guionly
- test_ttk_textonly
- test_multiprocessing
- """),
- ('netbsd',
- """
- test_ctypes
- test_curses
- test_devpoll
- test_epoll
- test_dbm_gnu
- test_locale
- test_ossaudiodev
- test_pep277
- test_tcl
- test_tk
- test_ttk_guionly
- test_ttk_textonly
- test_multiprocessing
- """),
-)
-
-class _ExpectedSkips:
- def __init__(self):
- import os.path
- from test import test_timeout
-
- self.valid = False
- expected = None
- for item in _expectations:
- if sys.platform.startswith(item[0]):
- expected = item[1]
- break
- if expected is not None:
- self.expected = set(expected.split())
-
- # These are broken tests, for now skipped on every platform.
- # XXX Fix these!
- self.expected.add('test_nis')
-
- # expected to be skipped on every platform, even Linux
- if not os.path.supports_unicode_filenames:
- self.expected.add('test_pep277')
-
- # doctest, profile and cProfile tests fail when the codec for the
- # fs encoding isn't built in because PyUnicode_Decode() adds two
- # calls into Python.
- encs = ("utf-8", "latin-1", "ascii", "mbcs", "utf-16", "utf-32")
- if sys.getfilesystemencoding().lower() not in encs:
- self.expected.add('test_profile')
- self.expected.add('test_cProfile')
- self.expected.add('test_doctest')
-
- if test_timeout.skip_expected:
- self.expected.add('test_timeout')
-
- if sys.platform != "win32":
- # test_sqlite is only reliable on Windows where the library
- # is distributed with Python
- WIN_ONLY = {"test_unicode_file", "test_winreg",
- "test_winsound", "test_startfile",
- "test_sqlite", "test_msilib"}
- self.expected |= WIN_ONLY
-
- if sys.platform != 'sunos5':
- self.expected.add('test_nis')
-
- if support.python_is_optimized():
- self.expected.add("test_gdb")
-
- self.valid = True
-
- def isvalid(self):
- "Return true iff _ExpectedSkips knows about the current platform."
- return self.valid
-
- def getexpected(self):
- """Return set of test names we expect to skip on current platform.
-
- self.isvalid() must be true.
- """
-
- assert self.isvalid()
- return self.expected
def _make_temp_dir_for_build(TEMPDIR):
# When tests are run from the Python build directory, it is best practice