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