test_timeout = None
# _release_save() unsupported
test_release_save_unacquired = None
# lock status in repr unsupported
test_repr = None
test_locked_repr = None
LOCK_TYPES = {
kind: splitinit._bootstrap._ModuleLock
for kind, splitinit in init.items()
}
(Frozen_ModuleLockAsRLockTests,
Source_ModuleLockAsRLockTests) = test_util.test_both(ModuleLockAsRLockTests,
lock_tests.RLockTests,
LockType=LOCK_TYPES)
class DeadlockAvoidanceTests:
def setUp(self):
try:
self.old_switchinterval = sys.getswitchinterval()
support.setswitchinterval(0.000001)
except AttributeError:
self.old_switchinterval = None
def tearDown(self):
if self.old_switchinterval is not None:
sys.setswitchinterval(self.old_switchinterval)
try:
cached = self.loc_spec.cached
finally:
sys.implementation.cache_tag = original
self.assertIs(cached, None)
def test_cached_sourceless(self):
self.loc_spec.origin = 'spam.pyc'
self.assertEqual(self.loc_spec.cached, 'spam.pyc')
(Frozen_ModuleSpecTests,
Source_ModuleSpecTests
) = test_util.test_both(ModuleSpecTests, util=util, machinery=machinery)
class ModuleSpecMethodsTests:
@property
def bootstrap(self):
return self.init._bootstrap
def setUp(self):
self.name = 'spam'
self.path = 'spam.py'
self.cached = self.util.cache_from_source(self.path)
self.loader = TestLoader()
self.spec = self.machinery.ModuleSpec(self.name, self.loader)
self.loc_spec = self.machinery.ModuleSpec(self.name, self.loader,
self.assertTrue(
issubclass(self.__test, superclass),
"{0} is not a superclass of {1}".format(
superclass, self.__test))
class MetaPathFinder(InheritanceTests):
superclass_names = []
subclass_names = [
'BuiltinImporter', 'FrozenImporter', 'PathFinder',
'WindowsRegistryFinder'
]
(Frozen_MetaPathFinderInheritanceTests,
Source_MetaPathFinderInheritanceTests) = test_util.test_both(MetaPathFinder,
abc=abc)
class PathEntryFinder(InheritanceTests):
superclass_names = []
subclass_names = ['FileFinder']
(Frozen_PathEntryFinderInheritanceTests,
Source_PathEntryFinderInheritanceTests) = test_util.test_both(PathEntryFinder,
abc=abc)
class ResourceLoader(InheritanceTests):
superclass_names = ['Loader']
with open(source, 'wb') as fp:
fp.write(b'state = "new"')
loader.exec_module(mod)
self.assertEqual(mod.state, 'new')
with open(pyc, 'rb') as fp:
data = fp.read()
self.assertEqual(int.from_bytes(data[4:8], 'little'), 0b1)
self.assertEqual(
self.util.source_hash(b'state = "new"'),
data[8:16],
)
(Frozen_SimpleTest, Source_SimpleTest) = util.test_both(SimpleTest,
importlib=importlib,
machinery=machinery,
abc=importlib_abc,
util=importlib_util)
class SourceDateEpochTestMeta(SourceDateEpochTestMeta,
type(Source_SimpleTest)):
pass
class SourceDateEpoch_SimpleTest(Source_SimpleTest,
metaclass=SourceDateEpochTestMeta,
source_date_epoch=True):
pass
return None
def exec_module(self, module):
pass
class SpecLoaderAttributeTests:
def test___loader__(self):
loader = SpecLoaderMock()
with util.uncache('blah'), util.import_state(meta_path=[loader]):
module = self.__import__('blah')
self.assertEqual(loader, module.__loader__)
(Frozen_SpecTests,
Source_SpecTests) = util.test_both(SpecLoaderAttributeTests,
__import__=util.__import__)
class LoaderMock:
def find_module(self, fullname, path=None):
return self
def load_module(self, fullname):
sys.modules[fullname] = self.module
return self.module
class LoaderAttributeTests:
def test___loader___missing(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
def test_unloadable(self):
name = 'asdfjkl;'
with self.assertRaises(ImportError) as cm:
self.load_module(name)
self.assertEqual(cm.exception.name, name)
def test_is_package(self):
self.assertFalse(self.loader.is_package(util.EXTENSIONS.name))
for suffix in self.machinery.EXTENSION_SUFFIXES:
path = os.path.join('some', 'path', 'pkg', '__init__' + suffix)
loader = self.machinery.ExtensionFileLoader('pkg', path)
self.assertTrue(loader.is_package('pkg'))
(Frozen_LoaderTests,
Source_LoaderTests
) = util.test_both(LoaderTests, machinery=machinery)
class MultiPhaseExtensionModuleTests(abc.LoaderTests):
# Test loading extension modules with multi-phase initialization (PEP 489).
def setUp(self):
if not self.machinery.EXTENSION_SUFFIXES:
raise unittest.SkipTest("Requires dynamic loading support.")
self.name = '_testmultiphase'
finder = self.machinery.FileFinder(None)
self.spec = importlib.util.find_spec(self.name)
assert self.spec
self.loader = self.machinery.ExtensionFileLoader(
self.name, self.spec.origin)
def load_module(self):
module, output = self.exec_module(name)
self.assertEqual(repr(module), "<module '__hello__' (frozen)>")
# No way to trigger an error in a frozen module.
test_state_after_failure = None
def test_unloadable(self):
with import_helper.frozen_modules():
assert self.machinery.FrozenImporter.find_spec('_not_real') is None
with self.assertRaises(ImportError) as cm:
self.exec_module('_not_real')
self.assertEqual(cm.exception.name, '_not_real')
(Frozen_ExecModuleTests,
Source_ExecModuleTests) = util.test_both(ExecModuleTests, machinery=machinery)
class LoaderTests(abc.LoaderTests):
def load_module(self, name):
with fresh(name, oldapi=True):
module = self.machinery.FrozenImporter.load_module(name)
with captured_stdout() as stdout:
module.main()
return module, stdout
def test_module(self):
module, stdout = self.load_module('__hello__')
filename = resolve_stdlib_file('__hello__')
check = {
'__name__': '__hello__',
finder = self.machinery.FileFinder(util.EXTENSIONS.path,
(self.machinery.ExtensionFileLoader,
self.machinery.EXTENSION_SUFFIXES))
return finder.find_spec(bad_name)
@unittest.skipIf(sys.flags.ignore_environment, 'ignore_environment flag was set')
def test_case_sensitive(self):
with os_helper.EnvironmentVarGuard() as env:
env.unset('PYTHONCASEOK')
self.caseok_env_changed(should_exist=False)
spec = self.find_spec()
self.assertIsNone(spec)
@unittest.skipIf(sys.flags.ignore_environment, 'ignore_environment flag was set')
def test_case_insensitivity(self):
with os_helper.EnvironmentVarGuard() as env:
env.set('PYTHONCASEOK', '1')
self.caseok_env_changed(should_exist=True)
spec = self.find_spec()
self.assertTrue(spec)
(Frozen_ExtensionCaseSensitivity,
Source_ExtensionCaseSensitivity
) = util.test_both(ExtensionModuleCaseSensitivityTest, importlib=importlib,
machinery=machinery)
if __name__ == '__main__':
unittest.main()
assert not hasattr(sys, '__path__')
with self.assertRaises(ImportError) as cm:
self.__import__('sys.no_submodules_here')
self.assertEqual(cm.exception.name, 'sys.no_submodules_here')
def test_module_not_package_but_side_effects(self):
# If a module injects something into sys.modules as a side-effect, then
# pick up on that fact.
name = 'mod'
subname = name + '.b'
def module_injection():
sys.modules[subname] = 'total bunk'
mock_spec = util.mock_spec('mod',
module_code={'mod': module_injection})
with mock_spec as mock:
with util.import_state(meta_path=[mock]):
try:
submodule = self.__import__(subname)
finally:
import_helper.unload(subname)
(Frozen_ParentTests,
Source_ParentTests) = util.test_both(ParentModuleTests,
__import__=util.__import__)
if __name__ == '__main__':
unittest.main()
try:
cached = self.loc_spec.cached
finally:
sys.implementation.cache_tag = original
self.assertIs(cached, None)
def test_cached_sourceless(self):
self.loc_spec.origin = 'spam.pyc'
self.assertEqual(self.loc_spec.cached, 'spam.pyc')
(Frozen_ModuleSpecTests,
Source_ModuleSpecTests) = test_util.test_both(ModuleSpecTests,
util=util,
machinery=machinery)
class ModuleSpecMethodsTests:
@property
def bootstrap(self):
return self.init._bootstrap
def setUp(self):
self.name = 'spam'
self.path = 'spam.py'
self.cached = self.util.cache_from_source(self.path)
self.loader = TestLoader()
self.spec = self.machinery.ModuleSpec(self.name, self.loader)
self.loc_spec = self.machinery.ModuleSpec(self.name,
class Using__package__PEP302(Using__package__):
mock_modules = util.mock_modules
def test_using___package__(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
super().test_using___package__()
def test_spec_fallback(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
super().test_spec_fallback()
(Frozen_UsingPackagePEP302,
Source_UsingPackagePEP302) = util.test_both(Using__package__PEP302,
__import__=util.__import__)
class Using__package__PEP451(Using__package__):
mock_modules = util.mock_spec
(Frozen_UsingPackagePEP451,
Source_UsingPackagePEP451) = util.test_both(Using__package__PEP451,
__import__=util.__import__)
class Setting__package__:
"""Because __package__ is a new feature, it is not always set by a loader.
Import will set it as needed to help with the transition to relying on
__package__.
def test_relative_import_no_globals(self):
# No globals for a relative import is an error.
with warnings.catch_warnings():
warnings.simplefilter("ignore")
with self.assertRaises(KeyError):
self.__import__('sys', level=1)
def test_relative_import_no_package(self):
with self.assertRaises(ImportError):
self.__import__('a', {
'__package__': '',
'__spec__': None
},
level=1)
def test_relative_import_no_package_exists_absolute(self):
with self.assertRaises(ImportError):
self.__import__('sys', {
'__package__': '',
'__spec__': None
},
level=1)
(Frozen_RelativeImports,
Source_RelativeImports) = util.test_both(RelativeImports,
__import__=util.__import__)
if __name__ == '__main__':
unittest.main()
self.assertEqual(cm.exception.name, name)
def test_already_imported(self):
# Using the name of a module already imported but not a built-in should
# still fail.
module_name = 'builtin_reload_test'
assert module_name not in sys.builtin_module_names
with util.uncache(module_name):
module = types.ModuleType(module_name)
sys.modules[module_name] = module
with self.assertRaises(ImportError) as cm:
self.load_module(module_name)
self.assertEqual(cm.exception.name, module_name)
(Frozen_LoaderTests, Source_LoaderTests) = util.test_both(LoaderTests,
machinery=machinery)
@unittest.skipIf(util.BUILTINS.good_name is None,
'no reasonable builtin module')
class InspectLoaderTests:
"""Tests for InspectLoader methods for BuiltinImporter."""
def test_get_code(self):
# There is no code object.
result = self.machinery.BuiltinImporter.get_code(
util.BUILTINS.good_name)
self.assertIsNone(result)
def test_get_source(self):
# There is no source.
result = self.machinery.BuiltinImporter.get_source(
def load_a():
self.init.import_module('a.b')
def load_b():
nonlocal b_load_count
b_load_count += 1
code = {'a': load_a, 'a.b': load_b}
modules = ['a.__init__', 'a.b']
with test_util.mock_spec(*modules, module_code=code) as mock:
with test_util.import_state(meta_path=[mock]):
self.init.import_module('a.b')
self.assertEqual(b_load_count, 1)
(Frozen_ImportModuleTests,
Source_ImportModuleTests
) = test_util.test_both(ImportModuleTests, init=init)
class FindLoaderTests:
FakeMetaFinder = None
def test_sys_modules(self):
# If a module with __loader__ is in sys.modules, then return it.
name = 'some_mod'
with test_util.uncache(name):
module = types.ModuleType(name)
loader = 'a loader!'
module.__loader__ = loader
sys.modules[name] = module
with warnings.catch_warnings():
from test.test_importlib import util
machinery = util.import_importlib('importlib.machinery')
import unittest
class PathHookTests:
"""Test the path hook for extension modules."""
# XXX Should it only succeed for pre-existing directories?
# XXX Should it only work for directories containing an extension module?
def hook(self, entry):
return self.machinery.FileFinder.path_hook(
(self.machinery.ExtensionFileLoader,
self.machinery.EXTENSION_SUFFIXES))(entry)
def test_success(self):
# Path hook should handle a directory where a known extension module
# exists.
self.assertTrue(hasattr(self.hook(util.EXTENSIONS.path),
'find_module'))
(Frozen_PathHooksTests,
Source_PathHooksTests) = util.test_both(PathHookTests, machinery=machinery)
if __name__ == '__main__':
unittest.main()
finder = self.get_finder(file_obj.name)
found = self._find(finder, 'doesnotexist')
self.assertEqual(found, self.NOT_FOUND)
class FinderTestsPEP451(FinderTests):
NOT_FOUND = None
def _find(self, finder, name, loader_only=False):
spec = finder.find_spec(name)
return spec.loader if spec is not None else spec
(Frozen_FinderTestsPEP451,
Source_FinderTestsPEP451) = util.test_both(FinderTestsPEP451,
machinery=machinery)
class FinderTestsPEP420(FinderTests):
NOT_FOUND = (None, [])
def _find(self, finder, name, loader_only=False):
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
loader_portions = finder.find_loader(name)
return loader_portions[0] if loader_only else loader_portions
(Frozen_FinderTestsPEP420,
Source_FinderTestsPEP420) = util.test_both(FinderTestsPEP420,
source = codecs.BOM_UTF8 + self.create_source('latin-1')
with self.assertRaises(SyntaxError):
self.run_test(source)
class EncodingTestPEP451(EncodingTest):
def load(self, loader):
module = types.ModuleType(self.module_name)
module.__spec__ = importlib.util.spec_from_loader(
self.module_name, loader)
loader.exec_module(module)
return module
(Frozen_EncodingTestPEP451,
Source_EncodingTestPEP451) = util.test_both(EncodingTestPEP451,
machinery=machinery)
class EncodingTestPEP302(EncodingTest):
def load(self, loader):
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
return loader.load_module(self.module_name)
(Frozen_EncodingTestPEP302,
Source_EncodingTestPEP302) = util.test_both(EncodingTestPEP302,
machinery=machinery)
class LineEndingTest:
with util.uncache('some_module'):
sys.modules['some_module'] = module_to_use
module = self.__import__('some_module')
self.assertEqual(id(module_to_use), id(module))
def test_None_in_cache(self):
#[None in cache]
name = 'using_None'
with util.uncache(name):
sys.modules[name] = None
with self.assertRaises(ImportError) as cm:
self.__import__(name)
self.assertEqual(cm.exception.name, name)
(Frozen_UseCache, Source_UseCache) = util.test_both(UseCache,
__import__=util.__import__)
class ImportlibUseCache(UseCache, unittest.TestCase):
# Pertinent only to PEP 302; exec_module() doesn't return a module.
__import__ = util.__import__['Source']
def create_mock(self, *names, return_=None):
mock = util.mock_modules(*names)
original_load = mock.load_module
def load_module(self, fullname):
original_load(fullname)
return return_
self.init.import_module('a.b')
def load_b():
nonlocal b_load_count
b_load_count += 1
code = {'a': load_a, 'a.b': load_b}
modules = ['a.__init__', 'a.b']
with test_util.mock_spec(*modules, module_code=code) as mock:
with test_util.import_state(meta_path=[mock]):
self.init.import_module('a.b')
self.assertEqual(b_load_count, 1)
(Frozen_ImportModuleTests,
Source_ImportModuleTests) = test_util.test_both(ImportModuleTests, init=init)
class FindLoaderTests:
FakeMetaFinder = None
def test_sys_modules(self):
# If a module with __loader__ is in sys.modules, then return it.
name = 'some_mod'
with test_util.uncache(name):
module = types.ModuleType(name)
loader = 'a loader!'
module.__loader__ = loader
sys.modules[name] = module
with warnings.catch_warnings():
def test_unloadable(self):
name = 'asdfjkl;'
with self.assertRaises(ImportError) as cm:
self.load_module(name)
self.assertEqual(cm.exception.name, name)
def test_is_package(self):
self.assertFalse(self.loader.is_package(util.EXTENSIONS.name))
for suffix in self.machinery.EXTENSION_SUFFIXES:
path = os.path.join('some', 'path', 'pkg', '__init__' + suffix)
loader = self.machinery.ExtensionFileLoader('pkg', path)
self.assertTrue(loader.is_package('pkg'))
(Frozen_LoaderTests, Source_LoaderTests) = util.test_both(LoaderTests,
machinery=machinery)
class MultiPhaseExtensionModuleTests(abc.LoaderTests):
# Test loading extension modules with multi-phase initialization (PEP 489).
def setUp(self):
if not self.machinery.EXTENSION_SUFFIXES:
raise unittest.SkipTest("Requires dynamic loading support.")
self.name = '_testmultiphase'
if self.name in sys.builtin_module_names:
raise unittest.SkipTest(f"{self.name} is a builtin module")
finder = self.machinery.FileFinder(None)
self.spec = importlib.util.find_spec(self.name)
assert self.spec
self.loader = self.machinery.ExtensionFileLoader(
self.assertIsNotNone(sensitive)
self.assertIn(self.name, sensitive.get_filename(self.name))
self.assertIsNotNone(insensitive)
self.assertIn(self.name, insensitive.get_filename(self.name))
class CaseSensitivityTestPEP302(CaseSensitivityTest):
def find(self, finder):
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
return finder.find_module(self.name)
(Frozen_CaseSensitivityTestPEP302,
Source_CaseSensitivityTestPEP302) = util.test_both(CaseSensitivityTestPEP302,
importlib=importlib,
machinery=machinery)
class CaseSensitivityTestPEP451(CaseSensitivityTest):
def find(self, finder):
found = finder.find_spec(self.name)
return found.loader if found is not None else found
(Frozen_CaseSensitivityTestPEP451,
Source_CaseSensitivityTestPEP451) = util.test_both(CaseSensitivityTestPEP451,
importlib=importlib,
machinery=machinery)
if __name__ == '__main__':
self.assertEqual(cache, {})
class FindModuleTests(FinderTests):
def find(self, *args, **kwargs):
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
return self.machinery.PathFinder.find_module(*args, **kwargs)
def check_found(self, found, importer):
self.assertIs(found, importer)
(Frozen_FindModuleTests,
Source_FindModuleTests) = util.test_both(FindModuleTests,
importlib=importlib,
machinery=machinery)
class FindSpecTests(FinderTests):
def find(self, *args, **kwargs):
return self.machinery.PathFinder.find_spec(*args, **kwargs)
def check_found(self, found, importer):
self.assertIs(found.loader, importer)
(Frozen_FindSpecTests,
Source_FindSpecTests) = util.test_both(FindSpecTests,
importlib=importlib,
machinery=machinery)
def test_nonexistent_fromlist_entry(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
super().test_nonexistent_fromlist_entry()
def test_fromlist_load_error_propagates(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
super().test_fromlist_load_error_propagates
def test_blocked_fromlist(self):
with warnings.catch_warnings():
warnings.simplefilter("ignore", ImportWarning)
super().test_blocked_fromlist()
(Frozen_OldAPITests,
Source_OldAPITests) = util.test_both(OldAPITests, __import__=util.__import__)
class SpecAPITests(APITest):
bad_finder_loader = BadSpecFinderLoader
(Frozen_SpecAPITests,
Source_SpecAPITests) = util.test_both(SpecAPITests,
__import__=util.__import__)
if __name__ == '__main__':
unittest.main()
f"{util.EXTENSIONS.name} is a builtin module")
def find_spec(self, fullname):
importer = self.machinery.FileFinder(
util.EXTENSIONS.path, (self.machinery.ExtensionFileLoader,
self.machinery.EXTENSION_SUFFIXES))
return importer.find_spec(fullname)
def test_module(self):
self.assertTrue(self.find_spec(util.EXTENSIONS.name))
# No extension module as an __init__ available for testing.
test_package = test_package_in_package = None
# No extension module in a package available for testing.
test_module_in_package = None
# Extension modules cannot be an __init__ for a package.
test_package_over_module = None
def test_failure(self):
self.assertIsNone(self.find_spec('asdfjkl;'))
(Frozen_FinderTests, Source_FinderTests) = util.test_both(FinderTests,
machinery=machinery)
if __name__ == '__main__':
unittest.main()
def test_specified_encoding(self):
source = '# coding=latin-1\n' + self.source
source_bytes = source.encode('latin-1')
assert source_bytes != source.encode('utf-8')
self.assertEqual(self.util.decode_source(source_bytes), source)
def test_universal_newlines(self):
source = '\r\n'.join([self.source, self.source])
source_bytes = source.encode('utf-8')
self.assertEqual(self.util.decode_source(source_bytes),
'\n'.join([self.source, self.source]))
(Frozen_DecodeSourceBytesTests,
Source_DecodeSourceBytesTests
) = util.test_both(DecodeSourceBytesTests, util=importlib_util)
class ModuleFromSpecTests:
def test_no_create_module(self):
class Loader:
def exec_module(self, module):
pass
spec = self.machinery.ModuleSpec('test', Loader())
with self.assertRaises(ImportError):
module = self.util.module_from_spec(spec)
def test_create_module_returns_None(self):
class Loader(self.abc.Loader):
def create_module(self, spec):
# [import return]
with util.mock_spec('pkg.__init__', 'pkg.module') as importer:
with util.import_state(meta_path=[importer]):
module = self.__import__('pkg.module')
self.assertEqual(module.__name__, 'pkg')
def test_return_from_from_import(self):
# [from return]
with util.mock_spec('pkg.__init__', 'pkg.module') as importer:
with util.import_state(meta_path=[importer]):
module = self.__import__('pkg.module', fromlist=['attr'])
self.assertEqual(module.__name__, 'pkg.module')
(Frozen_ReturnValue,
Source_ReturnValue) = util.test_both(ReturnValue, __import__=util.__import__)
class HandlingFromlist:
"""Using fromlist triggers different actions based on what is being asked
of it.
If fromlist specifies an object on a module, nothing special happens
[object case]. This is even true if the object does not exist [bad object].
If a package is being imported, then what is listed in fromlist may be
treated as a module to be imported [module]. And this extends to what is
contained in __all__ when '*' is imported [using *]. And '*' does not need
to be the only name in the fromlist [using * with others].
"""
class PathHookTest:
"""Test the path hook for source."""
def path_hook(self):
return self.machinery.FileFinder.path_hook(
(self.machinery.SourceFileLoader, self.machinery.SOURCE_SUFFIXES))
def test_success(self):
with util.create_modules('dummy') as mapping:
self.assertTrue(
hasattr(self.path_hook()(mapping['.root']), 'find_spec'))
def test_success_legacy(self):
with util.create_modules('dummy') as mapping:
self.assertTrue(
hasattr(self.path_hook()(mapping['.root']), 'find_module'))
def test_empty_string(self):
# The empty string represents the cwd.
self.assertTrue(hasattr(self.path_hook()(''), 'find_spec'))
def test_empty_string_legacy(self):
# The empty string represents the cwd.
self.assertTrue(hasattr(self.path_hook()(''), 'find_module'))
(Frozen_PathHookTest,
Source_PathHooktest) = util.test_both(PathHookTest, machinery=machinery)
if __name__ == '__main__':
unittest.main()
spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
self.assertIsNot(loader, None)
self.assertIsNot(spec, None)
def test_module_not_found(self):
with setup_module(self.machinery, self.test_module, path="."):
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module)
spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
self.assertIsNone(loader)
self.assertIsNone(spec)
(Frozen_WindowsRegistryFinderTests,
Source_WindowsRegistryFinderTests
) = test_util.test_both(WindowsRegistryFinderTests, machinery=machinery)
@unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')
class WindowsExtensionSuffixTests:
def test_tagged_suffix(self):
suffixes = self.machinery.EXTENSION_SUFFIXES
expected_tag = ".cp{0.major}{0.minor}-{1}.pyd".format(sys.version_info,
re.sub('[^a-zA-Z0-9]', '_', get_platform()))
try:
untagged_i = suffixes.index(".pyd")
except ValueError:
untagged_i = suffixes.index("_d.pyd")
expected_tag = "_d" + expected_tag
self.assertIn(expected_tag, suffixes)
module_name = 'nothing'
try:
del sys.modules[module_name]
except KeyError:
pass
with util.import_state(meta_path=[]):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
self.assertIsNone(
importlib._bootstrap._find_spec('nothing', None))
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[-1].category, ImportWarning))
(Frozen_CallingOrder,
Source_CallingOrder) = util.test_both(CallingOrder,
__import__=util.__import__)
class CallSignature:
"""If there is no __path__ entry on the parent module, then 'path' is None
[no path]. Otherwise, the value for __path__ is passed in for the 'path'
argument [path set]."""
def log_finder(self, importer):
fxn = getattr(importer, self.finder_name)
log = []
def wrapper(self, *args, **kwargs):
log.append([args, kwargs])
return fxn(*args, **kwargs)
return log, wrapper
