mirror of https://github.com/python/cpython
142 lines
5.0 KiB
Python
142 lines
5.0 KiB
Python
import unittest
|
|
from test import support
|
|
from test.support import warnings_helper
|
|
import os
|
|
import sys
|
|
import types
|
|
|
|
try:
|
|
import _multiprocessing
|
|
except ModuleNotFoundError:
|
|
_multiprocessing = None
|
|
|
|
|
|
if support.check_sanitizer(address=True, memory=True):
|
|
# bpo-46633: test___all__ is skipped because importing some modules
|
|
# directly can trigger known problems with ASAN (like tk).
|
|
raise unittest.SkipTest("workaround ASAN build issues on loading tests "
|
|
"like tk")
|
|
|
|
|
|
class NoAll(RuntimeError):
|
|
pass
|
|
|
|
class FailedImport(RuntimeError):
|
|
pass
|
|
|
|
|
|
class AllTest(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
# concurrent.futures uses a __getattr__ hook. Its __all__ triggers
|
|
# import of a submodule, which fails when _multiprocessing is not
|
|
# available.
|
|
if _multiprocessing is None:
|
|
sys.modules["_multiprocessing"] = types.ModuleType("_multiprocessing")
|
|
|
|
def tearDown(self):
|
|
if _multiprocessing is None:
|
|
sys.modules.pop("_multiprocessing")
|
|
|
|
def check_all(self, modname):
|
|
names = {}
|
|
with warnings_helper.check_warnings(
|
|
(f".*{modname}", DeprecationWarning),
|
|
(".* (module|package)", DeprecationWarning),
|
|
(".* (module|package)", PendingDeprecationWarning),
|
|
("", ResourceWarning),
|
|
quiet=True):
|
|
try:
|
|
exec("import %s" % modname, names)
|
|
except:
|
|
# Silent fail here seems the best route since some modules
|
|
# may not be available or not initialize properly in all
|
|
# environments.
|
|
raise FailedImport(modname)
|
|
if not hasattr(sys.modules[modname], "__all__"):
|
|
raise NoAll(modname)
|
|
names = {}
|
|
with self.subTest(module=modname):
|
|
with warnings_helper.check_warnings(
|
|
("", DeprecationWarning),
|
|
("", ResourceWarning),
|
|
quiet=True):
|
|
try:
|
|
exec("from %s import *" % modname, names)
|
|
except Exception as e:
|
|
# Include the module name in the exception string
|
|
self.fail("__all__ failure in {}: {}: {}".format(
|
|
modname, e.__class__.__name__, e))
|
|
if "__builtins__" in names:
|
|
del names["__builtins__"]
|
|
if '__annotations__' in names:
|
|
del names['__annotations__']
|
|
if "__warningregistry__" in names:
|
|
del names["__warningregistry__"]
|
|
keys = set(names)
|
|
all_list = sys.modules[modname].__all__
|
|
all_set = set(all_list)
|
|
self.assertCountEqual(all_set, all_list, "in module {}".format(modname))
|
|
self.assertEqual(keys, all_set, "in module {}".format(modname))
|
|
|
|
def walk_modules(self, basedir, modpath):
|
|
for fn in sorted(os.listdir(basedir)):
|
|
path = os.path.join(basedir, fn)
|
|
if os.path.isdir(path):
|
|
pkg_init = os.path.join(path, '__init__.py')
|
|
if os.path.exists(pkg_init):
|
|
yield pkg_init, modpath + fn
|
|
for p, m in self.walk_modules(path, modpath + fn + "."):
|
|
yield p, m
|
|
continue
|
|
if not fn.endswith('.py') or fn == '__init__.py':
|
|
continue
|
|
yield path, modpath + fn[:-3]
|
|
|
|
def test_all(self):
|
|
# List of denied modules and packages
|
|
denylist = set([
|
|
# Will raise a SyntaxError when compiling the exec statement
|
|
'__future__',
|
|
])
|
|
|
|
# In case _socket fails to build, make this test fail more gracefully
|
|
# than an AttributeError somewhere deep in CGIHTTPServer.
|
|
import _socket
|
|
|
|
ignored = []
|
|
failed_imports = []
|
|
lib_dir = os.path.dirname(os.path.dirname(__file__))
|
|
for path, modname in self.walk_modules(lib_dir, ""):
|
|
m = modname
|
|
denied = False
|
|
while m:
|
|
if m in denylist:
|
|
denied = True
|
|
break
|
|
m = m.rpartition('.')[0]
|
|
if denied:
|
|
continue
|
|
if support.verbose:
|
|
print(modname)
|
|
try:
|
|
# This heuristic speeds up the process by removing, de facto,
|
|
# most test modules (and avoiding the auto-executing ones).
|
|
with open(path, "rb") as f:
|
|
if b"__all__" not in f.read():
|
|
raise NoAll(modname)
|
|
self.check_all(modname)
|
|
except NoAll:
|
|
ignored.append(modname)
|
|
except FailedImport:
|
|
failed_imports.append(modname)
|
|
|
|
if support.verbose:
|
|
print('Following modules have no __all__ and have been ignored:',
|
|
ignored)
|
|
print('Following modules failed to be imported:', failed_imports)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|