cpython: ebc82b840163 (original) (raw)

Mercurial > cpython

changeset 102105:ebc82b840163

Added more tests for issue #27122. [#27122]

Serhiy Storchaka storchaka@gmail.com
date	Mon, 20 Jun 2016 05:30:31 +0300
parents	7b9ad68db14e(current diff)a14b93a4eb49(diff)
children	55ecc8fd88ac
files	Lib/test/test_contextlib.py
diffstat	1 files changed, 10 insertions(+), 4 deletions(-)[+] [-] Lib/test/test_contextlib.py 14

line wrap: on

line diff

--- a/Lib/test/test_contextlib.py +++ b/Lib/test/test_contextlib.py @@ -796,8 +796,9 @@ class TestExitStack(unittest.TestCase): self.assertIs(stack._exit_callbacks[-1], cm) def test_dont_reraise_RuntimeError(self):

   """https://bugs.python.org/issue27122"""[](#l1.7)

   # https://bugs.python.org/issue27122[](#l1.8)
   class UniqueException(Exception): pass[](#l1.9)

   class UniqueRuntimeError(RuntimeError): pass[](#l1.10)

@contextmanager def second(): @@ -813,15 +814,20 @@ class TestExitStack(unittest.TestCase): except Exception as exc: raise exc

   # The RuntimeError should be caught by second()'s exception[](#l1.18)

   # The UniqueRuntimeError should be caught by second()'s exception[](#l1.19)
   # handler which chain raised a new UniqueException.[](#l1.20)
   with self.assertRaises(UniqueException) as err_ctx:[](#l1.21)
       with ExitStack() as es_ctx:[](#l1.22)
           es_ctx.enter_context(second())[](#l1.23)
           es_ctx.enter_context(first())[](#l1.24)

           raise RuntimeError("please no infinite loop.")[](#l1.25)

           raise UniqueRuntimeError("please no infinite loop.")[](#l1.26)

   self.assertEqual(err_ctx.exception.args[0], "new exception")[](#l1.28)

```
   exc = err_ctx.exception[](#l1.29)
```

   self.assertIsInstance(exc, UniqueException)[](#l1.30)

   self.assertIsInstance(exc.__context__, UniqueRuntimeError)[](#l1.31)

   self.assertIsNone(exc.__context__.__context__)[](#l1.32)

   self.assertIsNone(exc.__context__.__cause__)[](#l1.33)

   self.assertIs(exc.__cause__, exc.__context__)[](#l1.34)

class TestRedirectStream: