Fix _is_expired_token issues (#47)

apns2/credentials.py

@@ -57,7 +57,7 @@ class TokenCredentials(Credentials):
 
     @staticmethod
     def _is_expired_token(issue_date):
-        return time.time() < issue_date + DEFAULT_TOKEN_LIFETIME
+        return time.time() > issue_date + DEFAULT_TOKEN_LIFETIME
 
     @staticmethod
     def _get_signing_key(key_path):

requirements-dev.txt

@@ -1 +1,2 @@
+freezegun
 mock; python_version < '3.3'

test/test_credentials.py

@@ -6,6 +6,8 @@
 
 from unittest import TestCase, main
 
+from freezegun import freeze_time
+
 import time
 
 from apns2.credentials import TokenCredentials
@@ -28,6 +30,8 @@ class TokenCredentialsTestCase(TestCase):
                                              self.team_id)
         self.lasting_header = self.normal_creds.get_authorization_header(
             self.topics[0])
+
+        with freeze_time('2012-01-14'):
             self.expiring_creds = \
                 TokenCredentials(self.key_path, self.key_id,
                                  self.team_id,

tox.ini

@@ -6,6 +6,6 @@ commands = nosetests []
 
 deps =
     nose
-	py27: mock
+    -rrequirements-dev.txt
 
 usedevelop=True