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

52 lines
1.7 KiB
Python

from importlib import _bootstrap_external
import sys
from test import support
import unittest
from .. import util
machinery = util.import_importlib('importlib.machinery')
# XXX find_spec tests
@unittest.skipIf(util.EXTENSIONS.filename is None, '_testcapi not available')
@util.case_insensitive_tests
class ExtensionModuleCaseSensitivityTest:
def find_module(self):
good_name = util.EXTENSIONS.name
bad_name = good_name.upper()
assert good_name != bad_name
finder = self.machinery.FileFinder(util.EXTENSIONS.path,
(self.machinery.ExtensionFileLoader,
self.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_external._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_external._os.environ:
self.skipTest('os.environ changes not reflected in '
'_os.environ')
loader = self.find_module()
self.assertTrue(hasattr(loader, 'load_module'))
(Frozen_ExtensionCaseSensitivity,
Source_ExtensionCaseSensitivity
) = util.test_both(ExtensionModuleCaseSensitivityTest, machinery=machinery)
if __name__ == '__main__':
unittest.main()