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assert that the regex given to assertRegex is non-empty.

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Gregory P. Smith 2010-12-16 19:23:05 +00:00
parent 5317e9cd8d
commit ed16bf4aaa
1 changed files with 1 additions and 0 deletions
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Lib/unittest/case.py
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@ -1121,6 +1121,7 @@ class TestCase(object):
def assertRegex(self, text, expected_regex, msg=None):
"""Fail the test unless the text matches the regular expression."""
if isinstance(expected_regex, (str, bytes)):
assert expected_regex, "expected_regex must not be empty."
expected_regex = re.compile(expected_regex)
if not expected_regex.search(text):
msg = msg or "Regex didn't match"