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01ad3251ae
Thanks to os.environ under Windows only updating the dict and not the environment itself (as exposed by nt.environ), tests using PYTHONCASEOK always fail. Now the tests are skipped when os.environ does not do what is expected.
66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
"""Test case-sensitivity (PEP 235)."""
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from importlib import _bootstrap
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from .. import util
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from . import util as source_util
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import os
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import sys
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from test import support as test_support
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import unittest
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@util.case_insensitive_tests
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class CaseSensitivityTest(unittest.TestCase):
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"""PEP 235 dictates that on case-preserving, case-insensitive file systems
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that imports are case-sensitive unless the PYTHONCASEOK environment
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variable is set."""
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name = 'MoDuLe'
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assert name != name.lower()
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def find(self, path):
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finder = _bootstrap._FileFinder(path,
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_bootstrap._SourceFinderDetails(),
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_bootstrap._SourcelessFinderDetails())
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return finder.find_module(self.name)
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def sensitivity_test(self):
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"""Look for a module with matching and non-matching sensitivity."""
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sensitive_pkg = 'sensitive.{0}'.format(self.name)
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insensitive_pkg = 'insensitive.{0}'.format(self.name.lower())
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context = source_util.create_modules(insensitive_pkg, sensitive_pkg)
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with context as mapping:
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sensitive_path = os.path.join(mapping['.root'], 'sensitive')
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insensitive_path = os.path.join(mapping['.root'], 'insensitive')
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return self.find(sensitive_path), self.find(insensitive_path)
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def test_sensitive(self):
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with test_support.EnvironmentVarGuard() as env:
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env.unset('PYTHONCASEOK')
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if b'PYTHONCASEOK' in _bootstrap._os.environ:
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self.skipTest('os.environ changes not reflected in '
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'_os.environ')
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sensitive, insensitive = self.sensitivity_test()
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self.assertTrue(hasattr(sensitive, 'load_module'))
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self.assertIn(self.name, sensitive.get_filename(self.name))
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self.assertIsNone(insensitive)
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def test_insensitive(self):
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with test_support.EnvironmentVarGuard() as env:
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env.set('PYTHONCASEOK', '1')
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if b'PYTHONCASEOK' not in _bootstrap._os.environ:
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self.skipTest('os.environ changes not reflected in '
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'_os.environ')
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sensitive, insensitive = self.sensitivity_test()
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self.assertTrue(hasattr(sensitive, 'load_module'))
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self.assertIn(self.name, sensitive.get_filename(self.name))
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self.assertTrue(hasattr(insensitive, 'load_module'))
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self.assertIn(self.name, insensitive.get_filename(self.name))
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def test_main():
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test_support.run_unittest(CaseSensitivityTest)
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if __name__ == '__main__':
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test_main()
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