Add allRoles query

backend/database/schema.py

@@ -121,6 +121,7 @@ class DeleteUser(graphene.Mutation):
 class Query(graphene.ObjectType):
     node = relay.Node.Field()
     all_users = SQLAlchemyConnectionField(User)
+    all_roles = SQLAlchemyConnectionField(Role)
     get_user = graphene.Field(User,username=graphene.String())
     verify_password = graphene.Field(graphene.Boolean, username=graphene.String(), password=graphene.String())
 

backend/test/test_graphql.py

@@ -256,3 +256,25 @@ class GraphQlTests(LiveServerTestCase):
         '''.format(username).strip()
         result = loads(self.client.execute(querystring))
         self.assertIs(None, result["data"]["getUser"])
+
+    def test_bulk_queries(self):
+        username = "graphqluser"
+        password = "randompassword"
+        email = "user@example.com"
+        self._create_user(username, password, email)
+        role_name = "testusers"
+        role_description = "A role assigned to users during unittests"
+        result = self._create_role(role_name, role_description)
+        querystring = '''
+        query{ allUsers{ edges { node { username, email }}},
+               allRoles{ edges { node { name, description }}}}
+        '''
+        result = loads(self.client.execute(querystring))
+        self.assertIn("allUsers", result["data"] )
+        users = result["data"]["allUsers"]["edges"]
+        self.assertEqual(users[0]["node"]["username"], username)
+        self.assertEqual(users[0]["node"]["email"], email)
+        self.assertIn("allRoles", result["data"] )
+        roles = result["data"]["allRoles"]["edges"]
+        self.assertEqual(roles[0]["node"]["name"], role_name)
+        self.assertEqual(roles[0]["node"]["description"], role_description)