Add AUTHORS test case

Change-Id: Ib81aee90fef3b2c101bb6b737e677339638b3cad

AUTHORS

@@ -1,2 +1,3 @@
+Brian Waldon <bcwaldon@gmail.com>
 Jay Pipes <jaypipes@gmail.com>
 Monty Taylor <mordred@inaugust.com>

tests/test_authors.py

@@ -0,0 +1,63 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 OpenStack LLC
+# Copyright 2012 Nebula Inc
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import commands
+import os
+import unittest
+
+
+def parse_mailmap(mailmap='.mailmap'):
+    mapping = {}
+    if os.path.exists(mailmap):
+        fp = open(mailmap, 'r')
+        for l in fp:
+            l = l.strip()
+            if not l.startswith('#') and ' ' in l:
+                canonical_email, alias = l.split(' ')
+                mapping[alias] = canonical_email
+    return mapping
+
+
+def str_dict_replace(s, mapping):
+    for s1, s2 in mapping.iteritems():
+        s = s.replace(s1, s2)
+    return s
+
+
+class AuthorsTestCase(unittest.TestCase):
+    def test_authors_up_to_date(self):
+        root = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))
+        contributors = set()
+        missing = set()
+        authors_file = open(os.path.join(root, 'AUTHORS'), 'r').read()
+
+        if os.path.exists(os.path.join(root, '.git')):
+            mailmap = parse_mailmap(os.path.join(root, '.mailmap'))
+            for email in commands.getoutput('git log --format=%ae').split():
+                if not email:
+                    continue
+                if "jenkins" in email and "openstack.org" in email:
+                    continue
+                email = '<' + email + '>'
+                contributors.add(str_dict_replace(email, mailmap))
+
+        for contributor in contributors:
+            if not contributor in authors_file:
+                missing.add(contributor)
+
+        self.assertTrue(len(missing) == 0,
+                        '%r not listed in AUTHORS file.' % missing)