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Fix utils.reraise for exceptions without args (#210)

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This is the case for e.g. `bdb.BdbQuit`.
This commit is contained in:
Daniel Hahler 2018-08-30 21:15:31 +02:00 committed by GitHub
parent 18dcab03f9
commit 9dcb47dc55
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2 changed files with 15 additions and 1 deletions
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2
configurations/utils.py
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@ -62,7 +62,7 @@ def reraise(exc, prefix=None, suffix=None):
suffix = ''
elif not (suffix.startswith('(') and suffix.endswith(')')):
suffix = '(' + suffix + ')'
exc.args = ('{0} {1} {2}'.format(prefix, exc.args[0], suffix),) + args[1:]
exc.args = ('{0} {1} {2}'.format(prefix, args[0], suffix),) + args[1:]
raise

14
tests/test_main.py
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@ -118,3 +118,17 @@ class MainTests(TestCase):
self.assertIn('setup_2', stdout)
self.assertIn('setup_done', stdout)
self.assertEqual(proc.returncode, 0)
def test_utils_reraise(self):
from configurations.utils import reraise
class CustomException(Exception):
pass
with self.assertRaises(CustomException) as cm:
try:
raise CustomException
except Exception as exc:
reraise(exc, "Couldn't setup configuration", None)
self.assertEqual(cm.exception.args, ("Couldn't setup configuration: ",))