package kamon.metric
import com.typesafe.config.ConfigFactory
import kamon.metric.instrument.Histogram.DynamicRange
import kamon.testkit.BaseKamonSpec
import scala.concurrent.duration._
class UserMetricsSpec extends BaseKamonSpec("user-metrics-spec") {
override lazy val config =
ConfigFactory.parseString(
"""
|kamon.metric {
| tick-interval = 1 hour
| default-collection-context-buffer-size = 10
|}
""".stripMargin)
"the UserMetrics extension" should {
"allow registering a fully configured Histogram and get the same Histogram if registering again" in {
val histogramA = kamon.userMetrics.histogram("histogram-with-settings", DynamicRange(1, 10000, 2))
val histogramB = kamon.userMetrics.histogram("histogram-with-settings", DynamicRange(1, 10000, 2))
histogramA shouldBe theSameInstanceAs(histogramB)
}
"return the original Histogram when registering a fully configured Histogram for second time but with different settings" in {
val histogramA = kamon.userMetrics.histogram("histogram-with-settings", DynamicRange(1, 10000, 2))
val histogramB = kamon.userMetrics.histogram("histogram-with-settings", DynamicRange(1, 50000, 2))
histogramA shouldBe theSameInstanceAs(histogramB)
}
"allow registering a Histogram that takes the default configuration from the kamon.metrics.precision settings" in {
kamon.userMetrics.histogram("histogram-with-default-configuration")
}
"allow registering a Counter and get the same Counter if registering again" in {
val counterA = kamon.userMetrics.counter("counter")
val counterB = kamon.userMetrics.counter("counter")
counterA shouldBe theSameInstanceAs(counterB)
}
"allow registering a fully configured MinMaxCounter and get the same MinMaxCounter if registering again" in {
val minMaxCounterA = kamon.userMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 10000, 2), 1 second)
val minMaxCounterB = kamon.userMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 10000, 2), 1 second)
minMaxCounterA shouldBe theSameInstanceAs(minMaxCounterB)
}
"return the original MinMaxCounter when registering a fully configured MinMaxCounter for second time but with different settings" in {
val minMaxCounterA = kamon.userMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 10000, 2), 1 second)
val minMaxCounterB = kamon.userMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 50000, 2), 1 second)
minMaxCounterA shouldBe theSameInstanceAs(minMaxCounterB)
}
"allow registering a MinMaxCounter that takes the default configuration from the kamon.metrics.precision settings" in {
kamon.userMetrics.minMaxCounter("min-max-counter-with-default-configuration")
}
"allow registering a fully configured Gauge and get the same Gauge if registering again" in {
val gaugeA = kamon.userMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
val gaugeB = kamon.userMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
gaugeA shouldBe theSameInstanceAs(gaugeB)
}
"return the original Gauge when registering a fully configured Gauge for second time but with different settings" in {
val gaugeA = kamon.userMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
val gaugeB = kamon.userMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
gaugeA shouldBe theSameInstanceAs(gaugeB)
}
"allow registering a Gauge that takes the default configuration from the kamon.metrics.precision settings" in {
kamon.userMetrics.gauge("gauge-with-default-configuration", {
() ⇒ 2L
})
}
"allow un-registering user metrics" in {
val counter = kamon.userMetrics.counter("counter-for-remove")
val histogram = kamon.userMetrics.histogram("histogram-for-remove")
val minMaxCounter = kamon.userMetrics.minMaxCounter("min-max-counter-for-remove")
val gauge = kamon.userMetrics.gauge("gauge-for-remove", { () ⇒ 2L })
kamon.userMetrics.removeCounter("counter-for-remove")
kamon.userMetrics.removeHistogram("histogram-for-remove")
kamon.userMetrics.removeMinMaxCounter("min-max-counter-for-remove")
kamon.userMetrics.removeGauge("gauge-for-remove")
counter should not be (theSameInstanceAs(kamon.userMetrics.counter("counter-for-remove")))
histogram should not be (theSameInstanceAs(kamon.userMetrics.histogram("histogram-for-remove")))
minMaxCounter should not be (theSameInstanceAs(kamon.userMetrics.minMaxCounter("min-max-counter-for-remove")))
gauge should not be (theSameInstanceAs(kamon.userMetrics.gauge("gauge-for-remove", { () ⇒ 2L })))
}
}
}