Mercurial > cpython-lru_cache-weakref

annotate Lib/importlib/test/source/test_case_sensitivity.py @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 34d827249ce0
children 54d7823ec488
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1 """Test case-sensitivity (PEP 235)."""
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2 from importlib import _bootstrap
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3 from .. import util
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4 from . import util as source_util
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5 import os
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6 import sys
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7 from test import support as test_support
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8 import unittest
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9
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10
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11 @util.case_insensitive_tests
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12 class CaseSensitivityTest(unittest.TestCase):
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13
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14 """PEP 235 dictates that on case-preserving, case-insensitive file systems
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15 that imports are case-sensitive unless the PYTHONCASEOK environment
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16 variable is set."""
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17
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18 name = 'MoDuLe'
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19 assert name != name.lower()
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20
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21 def find(self, path):
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22 finder = _bootstrap._FileFinder(path,
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23 _bootstrap._SourceFinderDetails(),
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24 _bootstrap._SourcelessFinderDetails())
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25 return finder.find_module(self.name)
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26
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27 def sensitivity_test(self):
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28 """Look for a module with matching and non-matching sensitivity."""
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29 sensitive_pkg = 'sensitive.{0}'.format(self.name)
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30 insensitive_pkg = 'insensitive.{0}'.format(self.name.lower())
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31 context = source_util.create_modules(insensitive_pkg, sensitive_pkg)
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32 with context as mapping:
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33 sensitive_path = os.path.join(mapping['.root'], 'sensitive')
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34 insensitive_path = os.path.join(mapping['.root'], 'insensitive')
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35 return self.find(sensitive_path), self.find(insensitive_path)
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36
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37 def test_sensitive(self):
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38 with test_support.EnvironmentVarGuard() as env:
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39 env.unset('PYTHONCASEOK')
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40 sensitive, insensitive = self.sensitivity_test()
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41 self.assertTrue(hasattr(sensitive, 'load_module'))
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42 self.assertIn(self.name, sensitive.get_filename(self.name))
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43 self.assertIsNone(insensitive)
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44
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45 def test_insensitive(self):
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46 with test_support.EnvironmentVarGuard() as env:
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47 env.set('PYTHONCASEOK', '1')
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48 sensitive, insensitive = self.sensitivity_test()
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49 self.assertTrue(hasattr(sensitive, 'load_module'))
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50 self.assertIn(self.name, sensitive.get_filename(self.name))
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51 self.assertTrue(hasattr(insensitive, 'load_module'))
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52 self.assertIn(self.name, insensitive.get_filename(self.name))
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55 def test_main():
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56 test_support.run_unittest(CaseSensitivityTest)
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57
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58
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59 if __name__ == '__main__':
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60 test_main()