Add tests for logging in

tests/helpers.py

@@ -40,3 +40,12 @@ def client():
 
     with calsocial.app.app_context():
         db.drop_all()
+
+
+def login(client, username, password, no_redirect=False):
+    """Login with the specified username and password
+    """
+
+    return client.post('/login',
+                       data={'email': username, 'password': password},
+                       follow_redirects=not no_redirect)