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/*
* =========================================================================================
* Copyright © 2013 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.metrics
import akka.testkit.TestKitBase
import org.scalatest.{ Matchers, WordSpecLike }
import akka.actor.ActorSystem
import scala.concurrent.duration._
import com.typesafe.config.ConfigFactory
import kamon.Kamon
import kamon.metrics.Subscriptions.TickMetricSnapshot
class CustomMetricSpec extends TestKitBase with WordSpecLike with Matchers {
implicit lazy val system: ActorSystem = ActorSystem("actor-metrics-spec", ConfigFactory.parseString(
"""
|kamon.metrics {
| filters = [
| {
| custom-metric {
| includes = [ "test/*" ]
| excludes = [ ]
| }
| }
| ]
|}
""".stripMargin))
"the Kamon custom metrics support" should {
"allow registering a custom metric with the Metrics extension" in {
val recorder = Kamon(Metrics).register(CustomMetric("test/sample-counter"), CustomMetric.withConfig(100, 2))
recorder should be('defined)
}
"allow subscriptions to custom metrics using the default subscription protocol" in {
val recorder = Kamon(Metrics).register(CustomMetric("test/sample-counter"), CustomMetric.withConfig(100, 2))
recorder.map(_.record(100))
Kamon(Metrics).subscribe(CustomMetric, "test/sample-counter", testActor)
println(within(5 seconds) {
expectMsgType[TickMetricSnapshot]
}.metrics(CustomMetric("test/sample-counter")))
}
}
}
|
