/*
* =========================================================================================
* Copyright © 2013-2015 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon.metric
import com.typesafe.config.ConfigFactory
import kamon.Kamon
import kamon.metric.instrument.Histogram.DynamicRange
import kamon.testkit.BaseKamonSpec
import scala.concurrent.duration._
class SimpleMetricsSpec extends BaseKamonSpec("simple-metrics-spec") {
override lazy val config =
ConfigFactory.parseString(
"""
|kamon.metric {
| tick-interval = 1 hour
| default-collection-context-buffer-size = 10
|}
""".stripMargin)
"the SimpleMetrics extension" should {
"allow registering a fully configured Histogram and get the same Histogram if registering again" in {
val histogramA = Kamon.simpleMetrics.histogram("histogram-with-settings", DynamicRange(1, 10000, 2))
val histogramB = Kamon.simpleMetrics.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.simpleMetrics.histogram("histogram-with-settings", DynamicRange(1, 10000, 2))
val histogramB = Kamon.simpleMetrics.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.simpleMetrics.histogram("histogram-with-default-configuration")
}
"allow registering a Counter and get the same Counter if registering again" in {
val counterA = Kamon.simpleMetrics.counter("counter")
val counterB = Kamon.simpleMetrics.counter("counter")
counterA shouldBe theSameInstanceAs(counterB)
}
"allow registering a fully configured MinMaxCounter and get the same MinMaxCounter if registering again" in {
val minMaxCounterA = Kamon.simpleMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 10000, 2), 1 second)
val minMaxCounterB = Kamon.simpleMetrics.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.simpleMetrics.minMaxCounter("min-max-counter-with-settings", DynamicRange(1, 10000, 2), 1 second)
val minMaxCounterB = Kamon.simpleMetrics.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.simpleMetrics.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.simpleMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
val gaugeB = Kamon.simpleMetrics.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.simpleMetrics.gauge("gauge-with-settings", DynamicRange(1, 10000, 2), 1 second, {
() ⇒ 1L
})
val gaugeB = Kamon.simpleMetrics.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.simpleMetrics.gauge("gauge-with-default-configuration", {
() ⇒ 2L
})
}
"allow un-registering user metrics" in {
val counter = Kamon.simpleMetrics.counter("counter-for-remove")
val histogram = Kamon.simpleMetrics.histogram("histogram-for-remove")
val minMaxCounter = Kamon.simpleMetrics.minMaxCounter("min-max-counter-for-remove")
val gauge = Kamon.simpleMetrics.gauge("gauge-for-remove", { () ⇒ 2L })
Kamon.simpleMetrics.removeCounter("counter-for-remove")
Kamon.simpleMetrics.removeHistogram("histogram-for-remove")
Kamon.simpleMetrics.removeMinMaxCounter("min-max-counter-for-remove")
Kamon.simpleMetrics.removeGauge("gauge-for-remove")
counter should not be (theSameInstanceAs(Kamon.simpleMetrics.counter("counter-for-remove")))
histogram should not be (theSameInstanceAs(Kamon.simpleMetrics.histogram("histogram-for-remove")))
minMaxCounter should not be (theSameInstanceAs(Kamon.simpleMetrics.minMaxCounter("min-max-counter-for-remove")))
gauge should not be (theSameInstanceAs(Kamon.simpleMetrics.gauge("gauge-for-remove", { () ⇒ 2L })))
}
}
}