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/* ===================================================
* Copyright © 2013-2014 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.play
import play.api.mvc.Action
import play.api.mvc.Results.Ok
import play.api.libs.ws.WS
import org.scalatestplus.play.OneServerPerSuite
import play.api.test._
import play.api.test.Helpers._
import akka.actor.ActorSystem
import akka.testkit.{ TestKitBase, TestProbe }
import com.typesafe.config.ConfigFactory
import org.scalatest.{ Matchers, WordSpecLike }
import kamon.Kamon
import kamon.metrics.{ TraceMetrics, Metrics }
import kamon.metrics.Subscriptions.TickMetricSnapshot
import kamon.metrics.TraceMetrics.ElapsedTime
class WSInstrumentationSpec extends TestKitBase with WordSpecLike with Matchers with OneServerPerSuite {
System.setProperty("config.file", "./kamon-play/src/test/resources/conf/application.conf")
import scala.collection.immutable.StringLike._
implicit lazy val system: ActorSystem = ActorSystem("play-ws-instrumentation-spec", ConfigFactory.parseString(
"""
|akka {
| loglevel = ERROR
|}
|
|kamon {
| metrics {
| tick-interval = 2 seconds
|
| filters = [
| {
| trace {
| includes = [ "*" ]
| excludes = []
| }
| }
| ]
| }
|}
""".stripMargin))
implicit override lazy val app = FakeApplication(withRoutes = {
case ("GET", "/async") ⇒ Action { Ok("ok") }
})
"the WS instrumentation" should {
"respond to the Async Action and complete the WS request" in {
val metricListener = TestProbe()
Kamon(Metrics)(system).subscribe(TraceMetrics, "*", metricListener.ref, permanently = true)
metricListener.expectMsgType[TickMetricSnapshot]
val response = await(WS.url("http://localhost:19001/async").get())
response.status should be(OK)
// val tickSnapshot = metricListener.expectMsgType[TickMetricSnapshot]
// val traceMetrics = tickSnapshot.metrics.find { case (k, v) ⇒ k.name.contains("async") } map (_._2.metrics)
// traceMetrics should not be empty
//
// traceMetrics map { metrics ⇒
// metrics(ElapsedTime).numberOfMeasurements should be(1L)
// }
}
}
}
|