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clean the environment from pre-existing PYTHONWARNINGS for test_warnings

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Łukasz Langa 2013-04-24 01:51:42 +02:00
commit 06d3abbff3
1 changed files with 12 additions and 0 deletions
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12
Lib/unittest/test/test_runner.py
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@ -137,6 +137,18 @@ def cleanup2():
class Test_TextTestRunner(unittest.TestCase):
"""Tests for TextTestRunner."""
def setUp(self):
# clean the environment from pre-existing PYTHONWARNINGS to make
# test_warnings results consistent
self.pythonwarnings = os.environ.get('PYTHONWARNINGS')
if self.pythonwarnings:
del os.environ['PYTHONWARNINGS']
def tearDown(self):
# bring back pre-existing PYTHONWARNINGS if present
if self.pythonwarnings:
os.environ['PYTHONWARNINGS'] = self.pythonwarnings
def test_init(self):
runner = unittest.TextTestRunner()
self.assertFalse(runner.failfast)