def test_statistics_all_missing_prefix(self):
        d = DotDict()
        d.statsd_host = 'localhost'
        d.statsd_port = 666
        d.prefix = None
        d.active_counters_list = ['x', 'y', 'z']

        with patch('socorrolib.lib.statistics.StatsClient') as StatsClientMocked:
            s = StatisticsForStatsd(d, 'processor')
            StatsClientMocked.assert_called_with(
                'localhost', 666, 'processor')

            s.incr('x')
            StatsClientMocked.assert_has_calls(
                StatsClientMocked.mock_calls,
                [call.incr('processor.x')]
            )

            s.incr('y')
            StatsClientMocked.assert_has_calls(
                StatsClientMocked.mock_calls,
                [call.incr('processor.y')]
            )

            s.incr('z')
            StatsClientMocked.assert_has_calls(
                StatsClientMocked.mock_calls,
                [call.incr('processor.z')]
            )

            s.incr('w')
            StatsClientMocked.assert_has_calls(
                StatsClientMocked.mock_calls,
                [
                    call.incr('processor.y'),
                    call.incr('processor.x'),
                    call.incr('processor.y')
                ]
            )

            s.incr(None)
            StatsClientMocked.assert_has_calls(
                StatsClientMocked.mock_calls,
                [
                    call.incr('processor.y'),
                    call.incr('processor.x'),
                    call.incr('processor.y'),
                    call.incr('processor.unknown')
                ]
            )