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from importlib import machinery
import sys
import types
import unittest
from .. import util
from . import util as import_util
class SpecLoaderMock:
def find_spec(self, fullname, path=None, target=None):
return machinery.ModuleSpec(fullname, self)
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__=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):
module = types.ModuleType('blah')
try:
del module.__loader__
except AttributeError:
pass
loader = LoaderMock()
loader.module = module
with util.uncache('blah'), util.import_state(meta_path=[loader]):
module = self.__import__('blah')
self.assertEqual(loader, module.__loader__)
def test___loader___is_None(self):
module = types.ModuleType('blah')
module.__loader__ = None
loader = LoaderMock()
loader.module = module
with util.uncache('blah'), util.import_state(meta_path=[loader]):
returned_module = self.__import__('blah')
self.assertEqual(loader, module.__loader__)
Frozen_Tests, Source_Tests = util.test_both(LoaderAttributeTests,
__import__=import_util.__import__)
if __name__ == '__main__':
unittest.main()
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