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author | Michael Donaghy <michael.donaghy@visualdna.com> | 2014-08-20 12:36:44 +0100 |
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committer | Michael Donaghy <michael.donaghy@visualdna.com> | 2014-08-21 09:32:42 +0100 |
commit | b8f61d74ff71eb4e210368a9a8eee33bd504adbb (patch) | |
tree | 20200d40eab7ebde99002e09ff316ac4a1323526 /kamon-core/src/test/scala | |
parent | cd1e2519140211253120d49c8457e34833c6a3e9 (diff) | |
download | Kamon-b8f61d74ff71eb4e210368a9a8eee33bd504adbb.tar.gz Kamon-b8f61d74ff71eb4e210368a9a8eee33bd504adbb.tar.bz2 Kamon-b8f61d74ff71eb4e210368a9a8eee33bd504adbb.zip |
+ core: add support for trace context propagation on Scalaz futures
Diffstat (limited to 'kamon-core/src/test/scala')
-rw-r--r-- | kamon-core/src/test/scala/kamon/instrumentation/scalaz/FutureInstrumentationSpec.scala | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/kamon-core/src/test/scala/kamon/instrumentation/scalaz/FutureInstrumentationSpec.scala b/kamon-core/src/test/scala/kamon/instrumentation/scalaz/FutureInstrumentationSpec.scala new file mode 100644 index 00000000..29bf96f8 --- /dev/null +++ b/kamon-core/src/test/scala/kamon/instrumentation/scalaz/FutureInstrumentationSpec.scala @@ -0,0 +1,63 @@ +/* =================================================== + * 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.instrumentation.scalaz + +import akka.actor.ActorSystem +import akka.testkit.TestKit +import kamon.trace.TraceRecorder +import org.scalatest.concurrent.{ PatienceConfiguration, ScalaFutures } +import org.scalatest.{ Matchers, OptionValues, WordSpecLike } +import scalaz.concurrent.Future +import java.util.concurrent.Executors + +class FutureInstrumentationSpec extends TestKit(ActorSystem("future-instrumentation-spec")) with WordSpecLike with Matchers + with ScalaFutures with PatienceConfiguration with OptionValues { + + implicit val execContext = Executors.newCachedThreadPool() + + "a Future created with FutureTracing" should { + "capture the TraceContext available when created" which { + "must be available when executing the future's body" in { + + val (future, testTraceContext) = TraceRecorder.withNewTraceContext("future-body") { + val future = Future(TraceRecorder.currentContext).start + + (future, TraceRecorder.currentContext) + } + + val ctxInFuture = future.run + ctxInFuture should equal(testTraceContext) + } + + "must be available when executing callbacks on the future" in { + + val (future, testTraceContext) = TraceRecorder.withNewTraceContext("future-body") { + val future = Future("Hello Kamon!") + // The TraceContext is expected to be available during all intermediate processing. + .map(_.length) + .flatMap(len ⇒ Future(len.toString)) + .map(s ⇒ TraceRecorder.currentContext) + + (future.start, TraceRecorder.currentContext) + } + + val ctxInFuture = future.run + ctxInFuture should equal(testTraceContext) + } + } + } +} + |