def test_compress_deprecated(self):
tmpdir = self._create_files()
base_name = os.path.join(self.mkdtemp(), 'archive')
# using compress and testing the PendingDeprecationWarning
old_dir = os.getcwd()
os.chdir(tmpdir)
try:
with check_warnings() as w:
warnings.simplefilter("always")
make_tarball(base_name, 'dist', compress='compress')
finally:
os.chdir(old_dir)
tarball = base_name + '.tar.Z'
self.assertTrue(os.path.exists(tarball))
self.assertEqual(len(w.warnings), 1)
# same test with dry_run
os.remove(tarball)
old_dir = os.getcwd()
os.chdir(tmpdir)
try:
with check_warnings() as w:
warnings.simplefilter("always")
make_tarball(base_name,
'dist',
compress='compress',
dry_run=True)
finally:
os.chdir(old_dir)
self.assertFalse(os.path.exists(tarball))
self.assertEqual(len(w.warnings), 1)
def test_check_warnings(self):
# Explicit tests for the test.support convenience wrapper
wmod = self.module
if wmod is not sys.modules['warnings']:
self.skipTest('module to test is not loaded warnings module')
with support.check_warnings(quiet=False) as w:
self.assertEqual(w.warnings, [])
wmod.simplefilter("always")
wmod.warn("foo")
self.assertEqual(str(w.message), "foo")
wmod.warn("bar")
self.assertEqual(str(w.message), "bar")
self.assertEqual(str(w.warnings[0].message), "foo")
self.assertEqual(str(w.warnings[1].message), "bar")
w.reset()
self.assertEqual(w.warnings, [])
with support.check_warnings():
# defaults to quiet=True without argument
pass
with support.check_warnings(('foo', UserWarning)):
wmod.warn("foo")
with self.assertRaises(AssertionError):
with support.check_warnings(('', RuntimeWarning)):
# defaults to quiet=False with argument
pass
with self.assertRaises(AssertionError):
with support.check_warnings(('foo', RuntimeWarning)):
wmod.warn("foo")
def test_https_with_cadefault(self):
handler = self.start_https_server(certfile=CERT_localhost)
# Self-signed cert should fail verification with system certificate store
with support.check_warnings(('', DeprecationWarning)):
with self.assertRaises(urllib.error.URLError) as cm:
self.urlopen("https://localhost:%s/bizarre" % handler.port,
cadefault=True)
def check_all(self, modname):
names = {}
with support.check_warnings(
(".* (module|package)", DeprecationWarning), ("", 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):
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__']
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 test_check_metadata_deprecated(self):
# makes sure make_metadata is deprecated
cmd = self._get_cmd()
with check_warnings() as w:
warnings.simplefilter("always")
cmd.check_metadata()
self.assertEqual(len(w.warnings), 1)
def test_extension_init(self):
# the first argument, which is the name, must be a string
self.assertRaises(AssertionError, Extension, 1, [])
ext = Extension('name', [])
self.assertEqual(ext.name, 'name')
# the second argument, which is the list of files, must
# be a list of strings
self.assertRaises(AssertionError, Extension, 'name', 'file')
self.assertRaises(AssertionError, Extension, 'name', ['file', 1])
ext = Extension('name', ['file1', 'file2'])
self.assertEqual(ext.sources, ['file1', 'file2'])
# others arguments have defaults
for attr in ('include_dirs', 'define_macros', 'undef_macros',
'library_dirs', 'libraries', 'runtime_library_dirs',
'extra_objects', 'extra_compile_args', 'extra_link_args',
'export_symbols', 'swig_opts', 'depends'):
self.assertEqual(getattr(ext, attr), [])
self.assertEqual(ext.language, None)
self.assertEqual(ext.optional, None)
# if there are unknown keyword options, warn about them
with check_warnings() as w:
warnings.simplefilter('always')
ext = Extension('name', ['file1', 'file2'], chic=True)
self.assertEqual(len(w.warnings), 1)
self.assertEqual(str(w.warnings[0].message),
"Unknown Extension options: 'chic'")
def testWarnings(self):
with check_warnings(quiet=True) as w:
self.assertEqual(w.warnings, [])
self.assertRaises(TypeError, self.FileIO, [])
self.assertEqual(w.warnings, [])
self.assertRaises(ValueError, self.FileIO, "/some/invalid/name",
"rt")
self.assertEqual(w.warnings, [])
def test_change_cwd__chdir_warning(self):
"""Check the warning message when os.chdir() fails."""
path = TESTFN + '_does_not_exist'
with support.check_warnings() as recorder:
with support.change_cwd(path=path, quiet=True):
pass
messages = [str(w.message) for w in recorder.warnings]
self.assertEqual(messages, ['tests may fail, unable to change CWD to: ' + path])
def test_deprecated_parse_qs(self):
# this func is moved to urllib.parse, this is just a sanity check
with check_warnings(('cgi.parse_qs is deprecated, use urllib.parse.'
'parse_qs instead', DeprecationWarning)):
self.assertEqual({
'a': ['A1'],
'B': ['B3'],
'b': ['B2']
}, cgi.parse_qs('a=A1&b=B2&B=B3'))
def test_resource_warning(self):
# Issue #11453
fd = os.open(support.TESTFN, os.O_RDONLY)
f = asyncore.file_wrapper(fd)
os.close(fd)
with support.check_warnings(('', ResourceWarning)):
f = None
support.gc_collect()
def test_opening_mode(self):
try:
# invalid mode, should raise ValueError
fi = FileInput(mode="w")
self.fail("FileInput should reject invalid mode argument")
except ValueError:
pass
t1 = None
try:
# try opening in universal newline mode
t1 = writeTmp(1, [b"A\nB\r\nC\rD"], mode="wb")
with check_warnings(('', DeprecationWarning)):
fi = FileInput(files=t1, mode="U")
with check_warnings(('', DeprecationWarning)):
lines = list(fi)
self.assertEqual(lines, ["A\n", "B\n", "C\n", "D"])
finally:
remove_tempfiles(t1)
def test_get_loader_handles_missing_loader_attribute(self):
global __loader__
this_loader = __loader__
del __loader__
try:
with check_warnings() as w:
self.assertIsNotNone(pkgutil.get_loader(__name__))
self.assertEqual(len(w.warnings), 0)
finally:
__loader__ = this_loader
def test_default_values_for_zero(self):
# Make sure that using all zeros uses the proper default
# values. No test for daylight savings since strftime() does
# not change output based on its value and no test for year
# because systems vary in their support for year 0.
expected = "2000 01 01 00 00 00 1 001"
with support.check_warnings():
result = time.strftime("%Y %m %d %H %M %S %w %j",
(2000, ) + (0, ) * 8)
self.assertEqual(expected, result)
def test___classcell___missing(self):
# See issue #23722
# Some metaclasses may not pass the original namespace to type.__new__
# We test that case here by forcibly deleting __classcell__
class Meta(type):
def __new__(cls, name, bases, namespace):
namespace.pop('__classcell__', None)
return super().__new__(cls, name, bases, namespace)
# The default case should continue to work without any warnings
with check_warnings() as w:
warnings.simplefilter("always", DeprecationWarning)
class WithoutClassRef(metaclass=Meta):
pass
self.assertEqual(w.warnings, [])
# With zero-arg super() or an explicit __class__ reference, we expect
# __build_class__ to emit a DeprecationWarning complaining that
# __class__ was not set, and asking if __classcell__ was propagated
# to type.__new__.
# In Python 3.7, that warning will become a RuntimeError.
expected_warning = (
'__class__ not set.*__classcell__ propagated',
DeprecationWarning
)
with check_warnings(expected_warning):
warnings.simplefilter("always", DeprecationWarning)
class WithClassRef(metaclass=Meta):
def f(self):
return __class__
# Check __class__ still gets set despite the warning
self.assertIs(WithClassRef().f(), WithClassRef)
# Check the warning is turned into an error as expected
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
with self.assertRaises(DeprecationWarning):
class WithClassRef(metaclass=Meta):
def f(self):
return __class__
async def start():
foo_coro = foo()
self.assertRegex(
repr(foo_coro),
r'<CoroWrapper .*\.foo\(\) running at .*pep492.*>')
with support.check_warnings((r'.*foo.*was never',
RuntimeWarning)):
foo_coro = None
support.gc_collect()
self.assertTrue(m_log.error.called)
message = m_log.error.call_args[0][0]
self.assertRegex(message,
r'CoroWrapper.*foo.*was never')
def test_change_cwd__non_existent_dir__quiet_true(self):
"""Test passing a non-existent directory with quiet=True."""
original_cwd = os.getcwd()
with support.temp_dir() as parent_dir:
bad_dir = os.path.join(parent_dir, 'does_not_exist')
with support.check_warnings() as recorder:
with support.change_cwd(bad_dir, quiet=True) as new_cwd:
self.assertEqual(new_cwd, original_cwd)
self.assertEqual(os.getcwd(), new_cwd)
warnings = [str(w.message) for w in recorder.warnings]
expected = ['tests may fail, unable to change CWD to: ' + bad_dir]
self.assertEqual(warnings, expected)
def test_relpath_errors(self):
# Check relpath() raises friendly TypeErrors.
with support.check_warnings(('', (BytesWarning, DeprecationWarning)),
quiet=True):
errmsg = "Can't mix strings and bytes in path components"
with self.assertRaisesRegex(TypeError, errmsg):
self.pathmodule.relpath(b'bytes', 'str')
with self.assertRaisesRegex(TypeError, errmsg):
self.pathmodule.relpath('str', b'bytes')
with self.assertRaisesRegex(TypeError, 'int'):
self.pathmodule.relpath(42, 'str')
with self.assertRaisesRegex(TypeError, 'int'):
self.pathmodule.relpath('str', 42)
with self.assertRaisesRegex(TypeError, 'bytearray'):
self.pathmodule.relpath(bytearray(b'foo'), bytearray(b'bar'))
def test_https_with_cafile(self):
handler = self.start_https_server(certfile=CERT_localhost)
with support.check_warnings(('', DeprecationWarning)):
# Good cert
data = self.urlopen("https://localhost:%s/bizarre" % handler.port,
cafile=CERT_localhost)
self.assertEqual(data, b"we care a bit")
# Bad cert
with self.assertRaises(urllib.error.URLError) as cm:
self.urlopen("https://localhost:%s/bizarre" % handler.port,
cafile=CERT_fakehostname)
# Good cert, but mismatching hostname
handler = self.start_https_server(certfile=CERT_fakehostname)
with self.assertRaises(ssl.CertificateError) as cm:
self.urlopen("https://localhost:%s/bizarre" % handler.port,
cafile=CERT_fakehostname)
def test_temp_dir__existing_dir__quiet_true(self):
"""Test passing a directory that already exists with quiet=True."""
path = tempfile.mkdtemp()
path = os.path.realpath(path)
try:
with support.check_warnings() as recorder:
with support.temp_dir(path, quiet=True) as temp_path:
self.assertEqual(path, temp_path)
warnings = [str(w.message) for w in recorder.warnings]
# Make sure temp_dir did not delete the original directory.
self.assertTrue(os.path.isdir(path))
finally:
shutil.rmtree(path)
expected = ['tests may fail, unable to create temp dir: ' + path]
self.assertEqual(warnings, expected)
def test_storlines(self):
f = io.BytesIO(RETR_DATA.replace('\r\n', '\n').encode('ascii'))
self.client.storlines('stor', f)
self.check_data(self.server.handler_instance.last_received_data,
RETR_DATA)
# test new callback arg
flag = []
f.seek(0)
self.client.storlines('stor foo',
f,
callback=lambda x: flag.append(None))
self.assertTrue(flag)
f = io.StringIO(RETR_DATA.replace('\r\n', '\n'))
# storlines() expects a binary file, not a text file
with support.check_warnings(('', BytesWarning), quiet=True):
self.assertRaises(TypeError, self.client.storlines, 'stor foo', f)
def test_untested_modules_can_be_imported(self):
untested = ('bdb', 'encodings', 'formatter',
'nturl2path', 'tabnanny')
with support.check_warnings(quiet=True):
for name in untested:
try:
support.import_module('test.test_{}'.format(name))
except unittest.SkipTest:
importlib.import_module(name)
else:
self.fail('{} has tests even though test_sundry claims '
'otherwise'.format(name))
import distutils.bcppcompiler
import distutils.ccompiler
import distutils.cygwinccompiler
import distutils.filelist
import distutils.text_file
import distutils.unixccompiler
import distutils.command.bdist_dumb
if sys.platform.startswith('win'):
import distutils.command.bdist_msi
import distutils.command.bdist
import distutils.command.bdist_rpm
import distutils.command.bdist_wininst
import distutils.command.build_clib
import distutils.command.build_ext
import distutils.command.build
import distutils.command.clean
import distutils.command.config
import distutils.command.install_data
import distutils.command.install_egg_info
import distutils.command.install_headers
import distutils.command.install_lib
import distutils.command.register
import distutils.command.sdist
import distutils.command.upload
import html.entities
try:
import tty # Not available on Windows
except ImportError:
if support.verbose:
print("skipping tty")
def test_join_errors(self):
# Check join() raises friendly TypeErrors.
with support.check_warnings(('', BytesWarning), quiet=True):
errmsg = "Can't mix strings and bytes in path components"
with self.assertRaisesRegex(TypeError, errmsg):
self.pathmodule.join(b'bytes', 'str')
with self.assertRaisesRegex(TypeError, errmsg):
self.pathmodule.join('str', b'bytes')
# regression, see #15377
with self.assertRaisesRegex(TypeError, 'int'):
self.pathmodule.join(42, 'str')
with self.assertRaisesRegex(TypeError, 'int'):
self.pathmodule.join('str', 42)
with self.assertRaisesRegex(TypeError, 'int'):
self.pathmodule.join(42)
with self.assertRaisesRegex(TypeError, 'list'):
self.pathmodule.join([])
with self.assertRaisesRegex(TypeError, 'bytearray'):
self.pathmodule.join(bytearray(b'foo'), bytearray(b'bar'))
def test_splitunc(self):
with self.assertWarns(DeprecationWarning):
ntpath.splitunc('')
with support.check_warnings(('', DeprecationWarning)):
tester('ntpath.splitunc("c:\\foo\\bar")', ('', 'c:\\foo\\bar'))
tester('ntpath.splitunc("c:/foo/bar")', ('', 'c:/foo/bar'))
tester('ntpath.splitunc("\\\\conky\\mountpoint\\foo\\bar")',
('\\\\conky\\mountpoint', '\\foo\\bar'))
tester('ntpath.splitunc("//conky/mountpoint/foo/bar")',
('//conky/mountpoint', '/foo/bar'))
tester('ntpath.splitunc("\\\\\\conky\\mountpoint\\foo\\bar")',
('', '\\\\\\conky\\mountpoint\\foo\\bar'))
tester('ntpath.splitunc("///conky/mountpoint/foo/bar")',
('', '///conky/mountpoint/foo/bar'))
tester('ntpath.splitunc("\\\\conky\\\\mountpoint\\foo\\bar")',
('', '\\\\conky\\\\mountpoint\\foo\\bar'))
tester('ntpath.splitunc("//conky//mountpoint/foo/bar")',
('', '//conky//mountpoint/foo/bar'))
self.assertEqual(ntpath.splitunc('//conky/MOUNTPOİNT/foo/bar'),
('//conky/MOUNTPOİNT', '/foo/bar'))
def test___class___delayed(self):
# See issue #23722
test_namespace = None
class Meta(type):
def __new__(cls, name, bases, namespace):
nonlocal test_namespace
test_namespace = namespace
return None
# This case shouldn't trigger the __classcell__ deprecation warning
with check_warnings() as w:
warnings.simplefilter("always", DeprecationWarning)
class A(metaclass=Meta):
@staticmethod
def f():
return __class__
self.assertEqual(w.warnings, [])
self.assertIs(A, None)
B = type("B", (), test_namespace)
self.assertIs(B.f(), B)
def test_iter_importers_avoids_emulation(self):
with check_warnings() as w:
for importer in pkgutil.iter_importers():
pass
self.assertEqual(len(w.warnings), 0)
def test_get_importer_avoids_emulation(self):
# We use an illegal path so *none* of the path hooks should fire
with check_warnings() as w:
self.assertIsNone(pkgutil.get_importer("*??"))
self.assertEqual(len(w.warnings), 0)
def test_find_loader_avoids_emulation(self):
with check_warnings() as w:
self.assertIsNotNone(pkgutil.find_loader("sys"))
self.assertIsNotNone(pkgutil.find_loader("os"))
self.assertIsNotNone(pkgutil.find_loader("test.support"))
self.assertEqual(len(w.warnings), 0)
def check_deprecated(self):
return check_warnings(
("This emulation is deprecated, use 'importlib' instead",
DeprecationWarning))
def test_certfile_arg_warn(self):
with support.check_warnings(('', DeprecationWarning)):
with mock.patch.object(self.imap_class, 'open'):
with mock.patch.object(self.imap_class, '_connect'):
self.imap_class('localhost', 143, certfile=CERTFILE)
def setUp(self):
self._warnings_manager = check_warnings()
self._warnings_manager.__enter__()
warnings.filterwarnings("ignore", ".* class is insecure.*",
DeprecationWarning)
