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"""Tests for distutils.log"""
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import io
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import sys
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import unittest
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from test.support import swap_attr, run_unittest
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from distutils import log
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class TestLog(unittest.TestCase):
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def test_non_ascii(self):
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# Issues #8663, #34421: test that non-encodable text is escaped with
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# backslashreplace error handler and encodable non-ASCII text is
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# output as is.
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for errors in ('strict', 'backslashreplace', 'surrogateescape',
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'replace', 'ignore'):
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with self.subTest(errors=errors):
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stdout = io.TextIOWrapper(io.BytesIO(),
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encoding='cp437', errors=errors)
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stderr = io.TextIOWrapper(io.BytesIO(),
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encoding='cp437', errors=errors)
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old_threshold = log.set_threshold(log.DEBUG)
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try:
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with swap_attr(sys, 'stdout', stdout), \
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swap_attr(sys, 'stderr', stderr):
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log.debug('Dεbug\tMėssãge')
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log.fatal('Fαtal\tÈrrōr')
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finally:
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log.set_threshold(old_threshold)
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stdout.seek(0)
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self.assertEqual(stdout.read().rstrip(),
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'Dεbug\tM?ss?ge' if errors == 'replace' else
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'Dεbug\tMssge' if errors == 'ignore' else
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'Dεbug\tM\\u0117ss\\xe3ge')
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stderr.seek(0)
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self.assertEqual(stderr.read().rstrip(),
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'Fαtal\t?rr?r' if errors == 'replace' else
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'Fαtal\trrr' if errors == 'ignore' else
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'Fαtal\t\\xc8rr\\u014dr')
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def test_suite():
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return unittest.makeSuite(TestLog)
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if __name__ == "__main__":
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run_unittest(test_suite())
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