Integrate new tests into existing test suite in dkim.tests

dkim/tests/test_util.py

@@ -61,6 +61,19 @@ class TestParseTagValue(unittest.TestCase):
         self.assertRaises(
             DuplicateTag, parse_tag_value, b'foo=bar;foo=baz')
 
+    def test_trailing_whitespace(self):
+      hval = '''v=1; a=rsa-sha256; d=facebookmail.com; s=s1024-2011-q2; c=relaxed/simple;
+          q=dns/txt; i=@facebookmail.com; t=1308078492;
+          h=From:Subject:Date:To:MIME-Version:Content-Type;
+          bh=+qPyCOiDQkusTPstCoGjimgDgeZbUaJWIr1mdE6RFxk=;
+          b=EUmDmdnAsNtjSEHGHNTa8PXgGaEUtOVezagmninX5Bs/Q26R9r3AMgawyUSKkbHp
+          /bQZU6QPZfdvmLMPdIWCQPo8SP+gsz4dpox2efO61DlvgYaxBRhwFedAW9LjYhQc
+          3KzW0yB9JHwiDCw1EioVkv+OMHhAYzoIypA0bQyi2bc=;
+  '''
+      sig = parse_tag_value(hval)
+      self.assertEquals(sig[b't'],'1308078492')
+      self.assertEquals(len(sig),11)
+
 
 def test_suite():
     from unittest import TestLoader