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bpo-39337: Add a test case for normalizing of codec names (GH-19069)

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Hai Shi 2020-10-09 03:20:57 +08:00 committed by GitHub
parent bfe6e03cd6
commit 3f342376ab
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1 changed files with 25 additions and 0 deletions
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25
Lib/test/test_codecs.py
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@ -3415,5 +3415,30 @@ class Rot13UtilTest(unittest.TestCase):
'To be, or not to be, that is the question')
class CodecNameNormalizationTest(unittest.TestCase):
"""Test codec name normalization"""
def test_normalized_encoding(self):
FOUND = (1, 2, 3, 4)
NOT_FOUND = (None, None, None, None)
def search_function(encoding):
if encoding == "aaa_8":
return FOUND
else:
return NOT_FOUND
codecs.register(search_function)
self.addCleanup(codecs.unregister, search_function)
self.assertEqual(FOUND, codecs.lookup('aaa_8'))
self.assertEqual(FOUND, codecs.lookup('AAA-8'))
self.assertEqual(FOUND, codecs.lookup('AAA---8'))
self.assertEqual(FOUND, codecs.lookup('AAA 8'))
self.assertEqual(FOUND, codecs.lookup('aaa\xe9\u20ac-8'))
self.assertEqual(NOT_FOUND, codecs.lookup('AAA.8'))
self.assertEqual(NOT_FOUND, codecs.lookup('AAA...8'))
self.assertEqual(NOT_FOUND, codecs.lookup('BBB-8'))
self.assertEqual(NOT_FOUND, codecs.lookup('BBB.8'))
self.assertEqual(NOT_FOUND, codecs.lookup('a\xe9\u20ac-8'))
if __name__ == "__main__":
unittest.main()