From 9a4e6269c0b9820988d1fa739ee179b03cac937b Mon Sep 17 00:00:00 2001
From: Julio Biason <julio.biason@gmail.com>
Date: Mon, 14 Apr 2014 21:11:59 -0300
Subject: [PATCH] cannot vote for the same place twice

---
 luncho/blueprints/voting.py |  2 +-
 tests/vote_tests.py         | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/luncho/blueprints/voting.py b/luncho/blueprints/voting.py
index 3894ad6..f372800 100644
--- a/luncho/blueprints/voting.py
+++ b/luncho/blueprints/voting.py
@@ -108,7 +108,7 @@ class PlacesVotedMoreThanOnceException(LunchoException):
 
     def _json(self):
         super(PlacesVotedMoreThanOnceException, self)._json()
-        self.json['places'] = self.places
+        self.json['places'] = list(self.places)
 
 
 # ----------------------------------------------------------------------
diff --git a/tests/vote_tests.py b/tests/vote_tests.py
index b8857c5..188f996 100644
--- a/tests/vote_tests.py
+++ b/tests/vote_tests.py
@@ -141,5 +141,20 @@ class TestVote(LunchoTests):
         self.assertJsonError(rv, 404, 'Places are not part of this group')
         return
 
+    def test_vote_for_same_place_twice(self):
+        """Vote for a place more than once."""
+        group = self._group()
+        place = self._place()
+        group.places.append(place)
+        self.user.groups.append(group)
+        server.db.session.commit()
+
+        request = {'choices': [place.id, place.id]}
+        rv = self.post('/vote/{group_id}/'.format(group_id=group.id),
+                       request,
+                       token=self.user.token)
+        self.assertJsonError(rv, 409, 'Places voted more than once')
+        return
+
 if __name__ == '__main__':
     unittest.main()