def test_gauge(self): stats = MetricsAggregator('myhost') # Track some counters. stats.submit_packets('my.first.gauge:1|g') stats.submit_packets('my.first.gauge:5|g') stats.submit_packets('my.second.gauge:1.5|g') # Ensure that gauges roll up correctly. metrics = self.sort_metrics(stats.flush()) assert len(metrics) == 2 first, second = metrics nt.assert_equals(first['metric'], 'my.first.gauge') nt.assert_equals(first['points'][0][1], 5) nt.assert_equals(first['host'], 'myhost') nt.assert_equals(second['metric'], 'my.second.gauge') nt.assert_equals(second['points'][0][1], 1.5) # Ensure that old gauges get dropped due to old timestamps stats.gauge('my.first.gauge', 5) stats.gauge('my.first.gauge', 1, timestamp=1000000000) stats.gauge('my.second.gauge', 20, timestamp=1000000000) metrics = self.sort_metrics(stats.flush()) assert len(metrics) == 1 first = metrics[0] nt.assert_equals(first['metric'], 'my.first.gauge') nt.assert_equals(first['points'][0][1], 5) nt.assert_equals(first['host'], 'myhost')