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Diffstat (limited to 'kamon-core/src/test/scala/kamon/trace/instrumentation/AskPatternTracingSpec.scala')
-rw-r--r-- | kamon-core/src/test/scala/kamon/trace/instrumentation/AskPatternTracingSpec.scala | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kamon-core/src/test/scala/kamon/trace/instrumentation/AskPatternTracingSpec.scala b/kamon-core/src/test/scala/kamon/trace/instrumentation/AskPatternTracingSpec.scala new file mode 100644 index 00000000..9df67391 --- /dev/null +++ b/kamon-core/src/test/scala/kamon/trace/instrumentation/AskPatternTracingSpec.scala @@ -0,0 +1,59 @@ +/* =================================================== + * 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.trace.instrumentation + +import akka.testkit.TestKit +import akka.actor.{ Props, Actor, ActorSystem } +import org.scalatest.{ Matchers, WordSpecLike } +import akka.event.Logging.Warning +import scala.concurrent.duration._ +import akka.pattern.ask +import akka.util.Timeout +import kamon.trace.{ Trace, ContextAware } +import org.scalatest.OptionValues._ + +class AskPatternTracingSpec extends TestKit(ActorSystem("ask-pattern-tracing-spec")) with WordSpecLike with Matchers { + + "the AskPatternTracing" should { + "log a warning with a stack trace and TraceContext taken from the moment the ask was triggered" in new TraceContextFixture { + implicit val ec = system.dispatcher + implicit val timeout = Timeout(10 milliseconds) + val noReply = system.actorOf(Props[NoReply]) + system.eventStream.subscribe(testActor, classOf[Warning]) + + within(500 milliseconds) { + val initialCtx = Trace.withContext(testTraceContext) { + noReply ? "hello" + Trace.context() + } + + val warn = expectMsgPF() { + case warn: Warning if warn.message.toString.contains("Timeout triggered for ask pattern") ⇒ warn + } + val capturedCtx = warn.asInstanceOf[ContextAware].traceContext + + capturedCtx should be('defined) + capturedCtx should equal(initialCtx) + } + } + } +} + +class NoReply extends Actor { + def receive = { + case any ⇒ + } +} |