cpython/Lib/test/test_charmapcodec.py

54 lines
1.7 KiB
Python
Raw Normal View History

""" Python character mapping codec test
This uses the test codec in testcodec.py and thus also tests the
encodings package lookup scheme.
Written by Marc-Andre Lemburg (mal@lemburg.com).
(c) Copyright 2000 Guido van Rossum.
"""#"
import test.support, unittest
import codecs
# Register a search function which knows about our codec
def codec_search_function(encoding):
if encoding == 'testcodec':
from test import testcodec
return tuple(testcodec.getregentry())
return None
codecs.register(codec_search_function)
# test codec's name (see test/testcodec.py)
codecname = 'testcodec'
class CharmapCodecTest(unittest.TestCase):
def test_constructorx(self):
self.assertEqual(str(b'abc', codecname), 'abc')
self.assertEqual(str(b'xdef', codecname), 'abcdef')
self.assertEqual(str(b'defx', codecname), 'defabc')
self.assertEqual(str(b'dxf', codecname), 'dabcf')
self.assertEqual(str(b'dxfx', codecname), 'dabcfabc')
def test_encodex(self):
self.assertEqual('abc'.encode(codecname), b'abc')
self.assertEqual('xdef'.encode(codecname), b'abcdef')
self.assertEqual('defx'.encode(codecname), b'defabc')
self.assertEqual('dxf'.encode(codecname), b'dabcf')
self.assertEqual('dxfx'.encode(codecname), b'dabcfabc')
def test_constructory(self):
self.assertEqual(str(b'ydef', codecname), 'def')
self.assertEqual(str(b'defy', codecname), 'def')
self.assertEqual(str(b'dyf', codecname), 'df')
self.assertEqual(str(b'dyfy', codecname), 'df')
def test_maptoundefined(self):
self.assertRaises(UnicodeError, str, b'abc\001', codecname)
if __name__ == "__main__":
unittest.main()