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import __future__
import unittest
import sys
from test import support
@support.skip_if_new_parser("Not supported by pegen yet")
class FLUFLTests(unittest.TestCase):
def test_barry_as_bdfl(self):
code = "from __future__ import barry_as_FLUFL\n2 {0} 3"
compile(code.format('<>'), '<BDFL test>', 'exec',
__future__.CO_FUTURE_BARRY_AS_BDFL)
with self.assertRaises(SyntaxError) as cm:
compile(code.format('!='), '<FLUFL test>', 'exec',
__future__.CO_FUTURE_BARRY_AS_BDFL)
self.assertRegex(str(cm.exception),
"with Barry as BDFL, use '<>' instead of '!='")
self.assertEqual(cm.exception.text, '2 != 3\n')
self.assertEqual(cm.exception.filename, '<FLUFL test>')
self.assertEqual(cm.exception.lineno, 2)
self.assertEqual(cm.exception.offset, 4)
def test_guido_as_bdfl(self):
code = '2 {0} 3'
compile(code.format('!='), '<BDFL test>', 'exec')
with self.assertRaises(SyntaxError) as cm:
compile(code.format('<>'), '<FLUFL test>', 'exec')
self.assertRegex(str(cm.exception), "invalid syntax")
self.assertEqual(cm.exception.text, '2 <> 3\n')
self.assertEqual(cm.exception.filename, '<FLUFL test>')
self.assertEqual(cm.exception.lineno, 1)
self.assertEqual(cm.exception.offset, 4)
if __name__ == '__main__':
unittest.main()
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