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author | Ivan Topolnjak <ivantopo@gmail.com> | 2017-04-24 13:54:40 +0200 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2017-04-24 13:54:40 +0200 |
commit | 4d828e1a3195e55365c865aa3a78af9668742643 (patch) | |
tree | 07fff2683933c96297a8ba577bbdc89888da16e1 /kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala | |
parent | 469c11dc1ddb140f407a33f48033e533bf60611c (diff) | |
download | Kamon-4d828e1a3195e55365c865aa3a78af9668742643.tar.gz Kamon-4d828e1a3195e55365c865aa3a78af9668742643.tar.bz2 Kamon-4d828e1a3195e55365c865aa3a78af9668742643.zip |
Prepare for the major cleanup
Moved all the original files from src/main to src/legacy-main, same with test files. Also
removed the autoweave module, examples and bench as I'm planning to have them in separate
repositories.
Diffstat (limited to 'kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala')
-rw-r--r-- | kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala b/kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala new file mode 100644 index 00000000..ec07d66c --- /dev/null +++ b/kamon-core/src/legacy-test/scala/kamon/metric/instrument/GaugeSpec.scala @@ -0,0 +1,79 @@ +/* + * ========================================================================================= + * 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.instrument + +import java.util.concurrent.atomic.AtomicLong +import kamon.Kamon +import kamon.metric.instrument.Histogram.DynamicRange +import kamon.testkit.BaseKamonSpec +import scala.concurrent.duration._ + +class GaugeSpec extends BaseKamonSpec("gauge-spec") { + + "a Gauge" should { + "automatically record the current value using the configured refresh-interval" in new GaugeFixture { + val (numberOfValuesRecorded, gauge) = createGauge() + Thread.sleep(1.second.toMillis) + + numberOfValuesRecorded.get() should be(10L +- 1L) + gauge.cleanup + } + + "stop automatically recording after a call to cleanup" in new GaugeFixture { + val (numberOfValuesRecorded, gauge) = createGauge() + Thread.sleep(1.second.toMillis) + + gauge.cleanup + numberOfValuesRecorded.get() should be(10L +- 1L) + Thread.sleep(1.second.toMillis) + + numberOfValuesRecorded.get() should be(10L +- 1L) + } + + "produce a Histogram snapshot including all the recorded values" in new GaugeFixture { + val (numberOfValuesRecorded, gauge) = createGauge() + + Thread.sleep(1.second.toMillis) + gauge.cleanup + val snapshot = gauge.collect(Kamon.metrics.buildDefaultCollectionContext) + + snapshot.numberOfMeasurements should be(10L +- 1L) + snapshot.min should be(1) + snapshot.max should be(10L +- 1L) + } + + "not record the current value when doing a collection" in new GaugeFixture { + val (numberOfValuesRecorded, gauge) = createGauge(10 seconds) + + val snapshot = gauge.collect(Kamon.metrics.buildDefaultCollectionContext) + snapshot.numberOfMeasurements should be(0) + numberOfValuesRecorded.get() should be(0) + } + } + + trait GaugeFixture { + def createGauge(refreshInterval: FiniteDuration = 100 millis): (AtomicLong, Gauge) = { + val recordedValuesCounter = new AtomicLong(0) + val gauge = Gauge(DynamicRange(1, 100, 2), refreshInterval, Kamon.metrics.settings.refreshScheduler, { + () ⇒ recordedValuesCounter.addAndGet(1) + }) + + (recordedValuesCounter, gauge) + } + + } +} |