Prevent unlimited insane query from running and fix tests

Fixes #591

endpoints/api/repository.py

@@ -146,6 +146,10 @@ class RepositoryList(ApiResource):
       starred_repos = model.repository.get_user_starred_repositories(get_authenticated_user())
       star_lookup = set([repo.id for repo in starred_repos])
 
+    # If the user asked for only public repositories, limit to only public repos.
+    if public and (not namespace and not starred):
+      username = None
+
     # Find the matching repositories.
     repositories = model.repository.get_visible_repositories(username=username,
                                                              limit=limit,
@@ -177,6 +181,8 @@ class RepositoryList(ApiResource):
   def get(self, args):
     """ Fetch the list of repositories visible to the current user under a variety of situations.
     """
+    if not args['namespace'] and not args['starred'] and not args['public']:
+      raise InvalidRequest('namespace, starred or public are required for this API call')
 
     repositories, star_lookup = self._load_repositories(args['namespace'], args['public'],
                                                         args['starred'], args['limit'],