Example #1
0
 def test_sample_rate_should_be_numeric(self):
     self.assertRaises(
         AssertionError, Gauge, 'string_sample_rate', 1.0, 's')
     gauge = Gauge('ok', 4)
     gauge.sample_rate = 0.3
     self.assertEqual(gauge.sample_rate, 0.3)
     gauge.sample_rate = 2
     self.assertEqual(gauge.sample_rate, 2)
 def test_sample_rate_should_be_numeric(self):
     self.assertRaises(
         AssertionError, Gauge, 'string_sample_rate', 1.0, 's')
     gauge = Gauge('ok', 4)
     gauge.sample_rate = 0.3
     self.assertEqual(gauge.sample_rate, 0.3)
     gauge.sample_rate = 2
     self.assertEqual(gauge.sample_rate, 2)
    def test_value_should_be_numeric(self):
        self.assertRaises(AssertionError, Gauge, 'string_val', '')
        gauge = Gauge('ok', 0.3)

        def set_value_as_string():
            gauge.value = 'not float'

        self.assertRaises(AssertionError, set_value_as_string)
        gauge.value = 2.0
        self.assertEqual(gauge.value, 2.0)
        gauge.value = 63
        self.assertEqual(gauge.value, 63)
Example #4
0
    def test_value_should_be_numeric(self):
        self.assertRaises(AssertionError, Gauge, 'string_val', '')
        gauge = Gauge('ok', 0.3)

        def set_value_as_string():
            gauge.value = 'not float'

        self.assertRaises(AssertionError, set_value_as_string)
        gauge.value = 2.0
        self.assertEqual(gauge.value, 2.0)
        gauge.value = 63
        self.assertEqual(gauge.value, 63)
Example #5
0
    def test_to_request(self):
        gauge = Gauge('ok', 0.2)
        self.assertEqual(gauge.to_request(), 'ok:0.2|g')

        gauge2 = Gauge('another', 237)
        self.assertEqual(gauge2.to_request(), 'another:237|g')

        gauge3 = Gauge('again', 11.8, 0.4)
        self.assertEqual(gauge3.to_request(), 'again:11.8|g|@0.4')
Example #6
0
 def test_parse_gauge_metric_from_request(self):
     self.assertEqual(
         Gauge("cpu_usage", 45.3),
         parse_metric_from_request("cpu_usage:45.3|g")
     )
     self.assertEqual(
         Gauge("mem usage?", 10240, 1),
         parse_metric_from_request("mem usage?:10240|g|@1")
     )
     self.assertEqual(
         Gauge("weird.gauge.with.rate", 23.3, 0.5),
         parse_metric_from_request("weird.gauge.with.rate:23.3|g|@0.5")
     )
Example #7
0
    def test_gauges(self):
        shelf = StatsShelf()
        self.assertEqual(dict(), shelf.gauges())

        shelf.add(Gauge("cpu%", 50))
        shelf.add(Gauge("cpu%", 51))
        shelf.add(Gauge("mem%", 20))
        shelf.add(Gauge("mem%", 23))
        shelf.add(Gauge("cpu%", 58))

        expected = {"cpu%": 58, "mem%": 23}
        self.assertEqual(expected, shelf.gauges())

        gauges = shelf.gauges()
        gauges["gauges should"] = "not change"
        self.assertEqual(expected, shelf.gauges())
Example #8
0
    def test_equality_check(self):
        gauge = Gauge('cpu', 10)
        with self.assertRaises(AssertionError):
            gauge != 'I am not a Gauge'

        different_name = Gauge('memory', 10)
        self.assertTrue(gauge != different_name)

        different_value = Gauge('cpu', 25)
        self.assertTrue(gauge != different_value)

        different_rate = Gauge('cpu', 10, 0.5)
        self.assertTrue(gauge != different_rate)

        same = Gauge('cpu', 10)
        self.assertTrue(same == gauge)
Example #9
0
    def test_value_should_not_be_negative(self):
        self.assertRaises(AssertionError, Gauge, 'test', -2)
        gauge = Gauge('ok', 0)

        def set_negative_value():
            gauge.value = -4.5

        self.assertRaises(AssertionError, set_negative_value)
Example #10
0
    def test_gauge_deltas(self):
        shelf = StatsShelf()
        self.assertEqual(dict(), shelf.gauges())

        shelf.add(GaugeDelta("cpu%", 10))
        shelf.add(Gauge("mem%", 10))
        shelf.add(GaugeDelta("cpu%", 10))
        shelf.add(GaugeDelta("cpu%", -5))
        shelf.add(GaugeDelta("mem%", -2))
        shelf.add(GaugeDelta("mem%", 4))

        expected = {"cpu%": 15, "mem%": 12}
        self.assertEqual(expected, shelf.gauges())
Example #11
0
    def test_clear_all_metrics(self):
        shelf = StatsShelf()

        shelf.add(Set("users", "me"))
        shelf.add(Counter("mymetric", 3))
        shelf.add(Timer("query", 4.12))
        shelf.add(Gauge("cpu%", 38))

        shelf.clear()

        self.assertEqual(dict(), shelf.counters())
        self.assertEqual(dict(), shelf.sets())
        self.assertEqual(dict(), shelf.timers_data())
        self.assertEqual(dict(), shelf.gauges())
    def test_to_request(self):
        gauge = Gauge('ok', 0.2)
        self.assertEqual(gauge.to_request(), 'ok:0.2|g')

        gauge2 = Gauge('another', 237)
        self.assertEqual(gauge2.to_request(), 'another:237|g')

        gauge3 = Gauge('again', 11.8, 0.4)
        self.assertEqual(gauge3.to_request(), 'again:11.8|g|@0.4')
Example #13
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 def test_default_sample_rate_is_one(self):
     gauge = Gauge('test', 3)
     self.assertEqual(gauge.sample_rate, 1)
Example #14
0
 def test_constructor(self):
     gauge = Gauge('test', 5, 0.2)
     self.assertEqual(gauge.name, 'test')
     self.assertEqual(gauge.value, 5)
     self.assertEqual(gauge.sample_rate, 0.2)