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test_regrtest: catch stderr in test_nowindows() 

Check also that the deprecation warning is emited.
This commit is contained in:
Victor Stinner 2015-10-11 10:04:26 +02:00
parent 4967146c8d
commit 14b4662e18
1 changed files with 5 additions and 1 deletions
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4
Lib/test/test_regrtest.py
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@ -5,6 +5,7 @@ Note: test_regrtest cannot be run twice in parallel.
""" """
import argparse import argparse
import contextlib
import faulthandler import faulthandler
import getopt import getopt
import io import io
@ -247,8 +248,11 @@ class ParseArgsTestCase(unittest.TestCase):
def test_nowindows(self): def test_nowindows(self):
for opt in '-n', '--nowindows': for opt in '-n', '--nowindows':
with self.subTest(opt=opt): with self.subTest(opt=opt):
with contextlib.redirect_stderr(io.StringIO()) as stderr:
ns = libregrtest._parse_args([opt]) ns = libregrtest._parse_args([opt])
self.assertTrue(ns.nowindows) self.assertTrue(ns.nowindows)
err = stderr.getvalue()
self.assertIn('the --nowindows (-n) option is deprecated', err)
def test_forever(self): def test_forever(self):
for opt in '-F', '--forever': for opt in '-F', '--forever':