[Python-checkins] cpython: test_regrtest: catch stderr in test_nowindows()

[victor.stinner]

https://hg.python.org/cpython/rev/df4ddecbc3a1
changeset:   98674:df4ddecbc3a1
user:        Victor Stinner <victor.stinner at gmail.com>
date:        Sun Oct 11 10:04:26 2015 +0200
summary:
  test_regrtest: catch stderr in test_nowindows()

Check also that the deprecation warning is emited.

files:
  Lib/test/test_regrtest.py |  6 +++++-
  1 files changed, 5 insertions(+), 1 deletions(-)


diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -5,6 +5,7 @@
 """
 
 import argparse
+import contextlib
 import faulthandler
 import getopt
 import io
@@ -247,8 +248,11 @@
     def test_nowindows(self):
         for opt in '-n', '--nowindows':
             with self.subTest(opt=opt):
-                ns = libregrtest._parse_args([opt])
+                with contextlib.redirect_stderr(io.StringIO()) as stderr:
+                    ns = libregrtest._parse_args([opt])
                 self.assertTrue(ns.nowindows)
+                err = stderr.getvalue()
+                self.assertIn('the --nowindows (-n) option is deprecated', err)
 
     def test_forever(self):
         for opt in '-F', '--forever':

-- 
Repository URL: https://hg.python.org/cpython