| 1 | n/a | """Test case-sensitivity (PEP 235).""" |
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| 2 | n/a | from importlib import _bootstrap |
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| 3 | n/a | from importlib import machinery |
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| 4 | n/a | from .. import util |
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| 5 | n/a | from . import util as source_util |
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| 6 | n/a | import imp |
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| 7 | n/a | import os |
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| 8 | n/a | import sys |
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| 9 | n/a | from test import support as test_support |
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| 10 | n/a | import unittest |
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| 11 | n/a | |
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| 12 | n/a | |
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| 13 | n/a | @util.case_insensitive_tests |
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| 14 | n/a | class CaseSensitivityTest(unittest.TestCase): |
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| 15 | n/a | |
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| 16 | n/a | """PEP 235 dictates that on case-preserving, case-insensitive file systems |
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| 17 | n/a | that imports are case-sensitive unless the PYTHONCASEOK environment |
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| 18 | n/a | variable is set.""" |
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| 19 | n/a | |
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| 20 | n/a | name = 'MoDuLe' |
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| 21 | n/a | assert name != name.lower() |
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| 22 | n/a | |
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| 23 | n/a | def find(self, path): |
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| 24 | n/a | finder = machinery.FileFinder(path, |
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| 25 | n/a | (machinery.SourceFileLoader, |
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| 26 | n/a | machinery.SOURCE_SUFFIXES, |
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| 27 | n/a | True), |
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| 28 | n/a | (machinery.SourcelessFileLoader, |
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| 29 | n/a | machinery.BYTECODE_SUFFIXES, |
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| 30 | n/a | True)) |
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| 31 | n/a | return finder.find_module(self.name) |
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| 32 | n/a | |
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| 33 | n/a | def sensitivity_test(self): |
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| 34 | n/a | """Look for a module with matching and non-matching sensitivity.""" |
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| 35 | n/a | sensitive_pkg = 'sensitive.{0}'.format(self.name) |
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| 36 | n/a | insensitive_pkg = 'insensitive.{0}'.format(self.name.lower()) |
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| 37 | n/a | context = source_util.create_modules(insensitive_pkg, sensitive_pkg) |
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| 38 | n/a | with context as mapping: |
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| 39 | n/a | sensitive_path = os.path.join(mapping['.root'], 'sensitive') |
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| 40 | n/a | insensitive_path = os.path.join(mapping['.root'], 'insensitive') |
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| 41 | n/a | return self.find(sensitive_path), self.find(insensitive_path) |
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| 42 | n/a | |
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| 43 | n/a | def test_sensitive(self): |
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| 44 | n/a | with test_support.EnvironmentVarGuard() as env: |
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| 45 | n/a | env.unset('PYTHONCASEOK') |
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| 46 | n/a | if b'PYTHONCASEOK' in _bootstrap._os.environ: |
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| 47 | n/a | self.skipTest('os.environ changes not reflected in ' |
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| 48 | n/a | '_os.environ') |
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| 49 | n/a | sensitive, insensitive = self.sensitivity_test() |
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| 50 | n/a | self.assertTrue(hasattr(sensitive, 'load_module')) |
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| 51 | n/a | self.assertIn(self.name, sensitive.get_filename(self.name)) |
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| 52 | n/a | self.assertIsNone(insensitive) |
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| 53 | n/a | |
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| 54 | n/a | def test_insensitive(self): |
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| 55 | n/a | with test_support.EnvironmentVarGuard() as env: |
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| 56 | n/a | env.set('PYTHONCASEOK', '1') |
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| 57 | n/a | if b'PYTHONCASEOK' not in _bootstrap._os.environ: |
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| 58 | n/a | self.skipTest('os.environ changes not reflected in ' |
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| 59 | n/a | '_os.environ') |
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| 60 | n/a | sensitive, insensitive = self.sensitivity_test() |
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| 61 | n/a | self.assertTrue(hasattr(sensitive, 'load_module')) |
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| 62 | n/a | self.assertIn(self.name, sensitive.get_filename(self.name)) |
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| 63 | n/a | self.assertTrue(hasattr(insensitive, 'load_module')) |
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| 64 | n/a | self.assertIn(self.name, insensitive.get_filename(self.name)) |
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| 65 | n/a | |
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| 66 | n/a | |
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| 67 | n/a | def test_main(): |
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| 68 | n/a | test_support.run_unittest(CaseSensitivityTest) |
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| 69 | n/a | |
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| 70 | n/a | |
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| 71 | n/a | if __name__ == '__main__': |
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| 72 | n/a | test_main() |
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