# HG changeset patch
# User Ryszard Szopa <ryszard.szopa@gmail.com>
# Date 1268080936 -3600
# Node ID 566e61e661537e06864d7f678c74b2c439663049
# Parent  4e18fc44fdbc601cc19d3f9037e6ef5cfe8f95d9
TestCase.assertNotRegexpMatches.

diff -r 4e18fc44fdbc -r 566e61e66153 unittest2/case.py
--- a/unittest2/case.py	Sun Mar 07 22:02:59 2010 +0000
+++ b/unittest2/case.py	Mon Mar 08 21:42:16 2010 +0100
@@ -944,6 +944,18 @@
             msg = '%s: %r not found in %r' % (msg, expected_regexp.pattern, text)
             raise self.failureException(msg)
 
+    def assertNotRegexpMatches(self, text, unexpected_regexp, msg=None):
+        if isinstance(unexpected_regexp, basestring):
+            unexpected_regexp = re.compile(unexpected_regexp)
+        match = unexpected_regexp.search(text)
+        if match:
+            msg = msg or "Regexp matched"
+            msg = '%s: %r matches %r in %r' % (msg, 
+                                               text[match.start():match.end()],
+                                               unexpected_regexp.pattern, 
+                                               text)
+            raise self.failureException(msg)
+
 
 class FunctionTestCase(TestCase):
     """A test case that wraps a test function.
diff -r 4e18fc44fdbc -r 566e61e66153 unittest2/test/test_unittest2.py
--- a/unittest2/test/test_unittest2.py	Sun Mar 07 22:02:59 2010 +0000
+++ b/unittest2/test/test_unittest2.py	Mon Mar 08 21:42:16 2010 +0100
@@ -2822,6 +2822,16 @@
         self.assertRaises(self.failureException, self.assertRegexpMatches,
                           'saaas', r'aaaa')
 
+    def testAssertNotRegexpMatches(self):
+        self.assertNotRegexpMatches('Ala ma kota', r'r+')
+        try:
+            self.assertNotRegexpMatches('Ala ma kota', r'k.t', 'Message')
+        except self.failureException, e:
+            self.assertIn("'kot'", e.args[0])
+            self.assertIn('Message', e.args[0])
+        else:
+            self.fail('assertNotRegexpMatches should have failed.')
+
     def testAssertRaisesRegexp(self):
         class ExceptionMock(Exception):
             pass