From: Gregory P. Smith <greg@mad-scientist.com>
Date: Thu, 16 Dec 2010 19:23:05 +0000 (+0000)
Subject: assert that the regex given to assertRegex is non-empty.
X-Git-Tag: v3.2b2~48
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ed16bf4aaadd3deaedac8ee36753857b6b8a3492;p=python

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

diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index 0ad78571b2..6752e7a895 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -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"