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import re
import unittest
import test.test_support
class ReTest(unittest.TestCase):
def test_bug_1140_addendum(self):
result = re.sub('', lambda match : None, 'foo')
self.assertEqual(result, 'foo')
self.assert_(isinstance(result, str))
def test_sub_with_subclasses(self):
class Foo(unicode):
def join(self, items):
return Foo(unicode.join(self, items))
result = re.sub('bar', 'baz', Foo('bar'))
self.assertEqual(result, u'baz')
self.assertEqual(type(result), unicode)
class Foo2(unicode):
def join(self, items):
return Foo2(unicode.join(self, items))
def __getslice__(self, start, stop):
return Foo2(unicode.__getslice__(self, start, stop))
result = re.sub('bar', 'baz', Foo2('bar'))
self.assertEqual(result, Foo2('baz'))
self.assert_(isinstance(result, Foo2))
def test_unkown_groupname(self):
self.assertRaises(IndexError,
re.match("(?P<int>\d+)\.(\d*)", '3.14').group,
"misspelled")
def test_main():
test.test_support.run_unittest(ReTest)
if __name__ == "__main__":
test_main()
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