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23cbd8a656
planned for the package. There are no docs yet, but they are coming once the API for the first new function, importlib.import_module() is finalized.
57 lines
2 KiB
Python
57 lines
2 KiB
Python
"""Test case-sensitivity (PEP 235)."""
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import importlib
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from .. import support
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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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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 = importlib.PyFileImporter(path)
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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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with support.create_modules(insensitive_pkg, sensitive_pkg) 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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sensitive, insensitive = self.sensitivity_test()
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self.assert_(hasattr(sensitive, 'load_module'))
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self.assert_(self.name in sensitive._base_path)
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self.assert_(insensitive is None)
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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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sensitive, insensitive = self.sensitivity_test()
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self.assert_(hasattr(sensitive, 'load_module'))
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self.assert_(self.name in sensitive._base_path)
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self.assert_(hasattr(insensitive, 'load_module'))
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self.assert_(self.name in insensitive._base_path)
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def test_main():
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if sys.platform not in ('win32', 'darwin', 'cygwin'):
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return
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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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