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from importlib import _bootstrap
from . import util as ext_util
from .. import abc
from .. import util
import sys
import unittest
class LoaderTests(abc.LoaderTests):
"""Test load_module() for extension modules."""
def load_module(self, fullname):
loader = _bootstrap._ExtensionFileLoader(ext_util.NAME,
ext_util.FILEPATH, False)
return loader.load_module(fullname)
def test_module(self):
with util.uncache(ext_util.NAME):
module = self.load_module(ext_util.NAME)
for attr, value in [('__name__', ext_util.NAME),
('__file__', ext_util.FILEPATH),
('__package__', '')]:
self.assertEqual(getattr(module, attr), value)
self.assert_(ext_util.NAME in sys.modules)
self.assert_(isinstance(module.__loader__,
_bootstrap._ExtensionFileLoader))
def test_package(self):
# Extensions are not found in packages.
pass
def test_lacking_parent(self):
# Extensions are not found in packages.
pass
def test_module_reuse(self):
with util.uncache(ext_util.NAME):
module1 = self.load_module(ext_util.NAME)
module2 = self.load_module(ext_util.NAME)
self.assert_(module1 is module2)
def test_state_after_failure(self):
# No easy way to trigger a failure after a successful import.
pass
def test_unloadable(self):
self.assertRaises(ImportError, self.load_module, 'asdfjkl;')
def test_main():
from test.support import run_unittest
run_unittest(LoaderTests)
if __name__ == '__main__':
test_main()