示例#1
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    def test_mean_rate_one_per_second(self, time_mock):
        time_mock.return_value = 0.0
        self.meter = Meter("test")
        for i in xrange(10):
            self.meter.mark()
            time_mock.return_value += 1

        self.meter._tick()
        self.assertAlmostEqual(self.meter.get_mean_rate(), 1)
示例#2
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    def meter(self, key):
        """
        Gets a meter based on a key, creates a new one if it does not exist.

        @param key: name of the metric
        @type key: C{str}

        @return: L{Meter}
        """
        if key not in self._meters:
            self._meters[key] = Meter()
        return self._meters[key]
示例#3
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    def test_meter_EWMA_rates(self, time_mock):
        time_mock.return_value = 0.0
        self.meter = Meter("test")
        self.meter.mark(3)
        time_mock.return_value += 5

        for one, five, fifteen in [(0.6, 0.6, 0.6),
                                   (0.22072766, 0.49123845, 0.56130419),
                                   (0.08120117, 0.40219203, 0.52510399),
                                   (0.02987224, 0.32928698, 0.49123845),
                                   (0.01098938, 0.26959738, 0.45955700),
                                   (0.00404277, 0.22072766, 0.42991879),
                                   (0.00148725, 0.18071653, 0.40219203),
                                   (0.00054713, 0.14795818, 0.37625345),
                                   (0.00020128, 0.12113791, 0.35198773),
                                   (0.00007405, 0.09917933, 0.32928698)]:
            self.assertAlmostEqual(self.meter.get_one_minute_rate(), one)
            self.assertAlmostEqual(self.meter.get_five_minute_rate(), five)
            self.assertAlmostEqual(self.meter.get_fifteen_minute_rate(),
                                   fifteen)
            time_mock.return_value += 60
示例#4
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 def __init__(self):
     """
     Creates a new L{Timer} instance.
     """
     self.histogram = Histogram.get_biased()
     self.meter = Meter("calls")
示例#5
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 def test_meter_with_three_events(self):
     self.meter = Meter("test")
     self.meter.mark(3)
     self.assertEqual(self.meter.get_count(), 3)
示例#6
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 def test_a_blankmeter(self):
     self.meter = Meter("test")
     self.assertEqual(self.meter.get_count(), 0)
     self.assertAlmostEqual(self.meter.get_mean_rate(), 0.0)