cpython/Lib/test/test_importlib/extension/test_case_sensitivity.py

52 lines
1.6 KiB
Python

import sys
from test import support
import unittest
from importlib import _bootstrap
from importlib import machinery
from .. import util
from . import util as ext_util
@util.case_insensitive_tests
class ExtensionModuleCaseSensitivityTest(unittest.TestCase):
def find_module(self):
good_name = ext_util.NAME
bad_name = good_name.upper()
assert good_name != bad_name
finder = machinery.FileFinder(ext_util.PATH,
(machinery.ExtensionFileLoader,
machinery.EXTENSION_SUFFIXES))
return finder.find_module(bad_name)
def test_case_sensitive(self):
with support.EnvironmentVarGuard() as env:
env.unset('PYTHONCASEOK')
if b'PYTHONCASEOK' in _bootstrap._os.environ:
self.skipTest('os.environ changes not reflected in '
'_os.environ')
loader = self.find_module()
self.assertIsNone(loader)
def test_case_insensitivity(self):
with support.EnvironmentVarGuard() as env:
env.set('PYTHONCASEOK', '1')
if b'PYTHONCASEOK' not in _bootstrap._os.environ:
self.skipTest('os.environ changes not reflected in '
'_os.environ')
loader = self.find_module()
self.assertTrue(hasattr(loader, 'load_module'))
def test_main():
if ext_util.FILENAME is None:
return
support.run_unittest(ExtensionModuleCaseSensitivityTest)
if __name__ == '__main__':
test_main()