sync with central and raise save errors in change_password

gears/carto_gears_api/lib/carto_gears_api/users/users_service.rb

@@ -88,8 +88,8 @@ module CartoGearsApi
         user.password_confirmation = new_password
 
         raise CartoGearsApi::Errors::ValidationFailed.new(user.errors) unless user.errors.empty?
-
-        user.save
+        user.save(raise_on_failure: true)
+        user.update_in_central
       end
 
       private

spec/gears/cargo_gears_api/users_service_spec.rb

@@ -89,6 +89,22 @@ describe CartoGearsApi::Users::UsersService do
           service.change_password(@user.id, 'my_pass')
         }.to raise_error(CartoGearsApi::Errors::ValidationFailed, /the same/)
       end
+
+      it 'raises an exception if the save operation fails' do
+        User.any_instance.stubs(:save).raises(Sequel::ValidationFailed, 'Saving error')
+
+        expect {
+          service.change_password(@user.id, 'new_password')
+        }.to raise_error(Sequel::ValidationFailed, 'Saving error')
+      end
+
+      it 'raises an exception if update_in_central operation fails' do
+        User.any_instance.stubs(:update_in_central).raises(CartoDB::CentralCommunicationFailure, 'Updating error')
+
+        expect {
+          service.change_password(@user.id, 'new_password')
+        }.to raise_error(CartoDB::CentralCommunicationFailure)
+      end
     end
   end
 end