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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision efcf82f94572abcdbd70336e0b2c3d0f4df280bc authored by Serhiy Storchaka on 15 January 2019, 08:53:18 UTC, committed by GitHub on 15 January 2019, 08:53:18 UTC 
bpo-35619: Improve support of custom data descriptors in help() and pydoc. (GH-11366)
 
 
 
 
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 Tip revision:  efcf82f94572abcdbd70336e0b2c3d0f4df280bc  authored by  Serhiy Storchaka  on 15 January 2019, 08:53:18 UTC 
 bpo-35619: Improve support of custom data descriptors in help() and pydoc. (GH-11366) 
 
 
 
 
  
 Tip revision:  efcf82f  
 
 
 
 
 test_generator_stop.py 
 
 
 
from __future__ import generator_stop

import unittest


class TestPEP479(unittest.TestCase):
    def test_stopiteration_wrapping(self):
        def f():
            raise StopIteration
        def g():
            yield f()
        with self.assertRaisesRegex(RuntimeError,
                                    "generator raised StopIteration"):
            next(g())

    def test_stopiteration_wrapping_context(self):
        def f():
            raise StopIteration
        def g():
            yield f()

        try:
            next(g())
        except RuntimeError as exc:
            self.assertIs(type(exc.__cause__), StopIteration)
            self.assertIs(type(exc.__context__), StopIteration)
            self.assertTrue(exc.__suppress_context__)
        else:
            self.fail('__cause__, __context__, or __suppress_context__ '
                      'were not properly set')


if __name__ == '__main__':
    unittest.main()

 
 
 
  
 
   
 
   
 
 
     
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