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author | Ivan Topolnjak <ivantopo@gmail.com> | 2013-11-23 22:54:47 -0300 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2013-11-23 22:54:47 -0300 |
commit | 7298ddee182f08f7232e8daf8e628b089678f77b (patch) | |
tree | 126a64b1e63637ed3b052f7f92b7252350e12a54 /kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala | |
parent | ddb000a4510dfce20f7090ac92ea9144403addd6 (diff) | |
download | Kamon-7298ddee182f08f7232e8daf8e628b089678f77b.tar.gz Kamon-7298ddee182f08f7232e8daf8e628b089678f77b.tar.bz2 Kamon-7298ddee182f08f7232e8daf8e628b089678f77b.zip |
simple test for ActorLogging instrumentation
Diffstat (limited to 'kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala')
-rw-r--r-- | kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala b/kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala new file mode 100644 index 00000000..9ba98381 --- /dev/null +++ b/kamon-trace/src/test/scala/kamon/trace/instrumentation/FutureTracingSpec.scala @@ -0,0 +1,56 @@ +package kamon.trace.instrumentation + +import scala.concurrent.{ExecutionContext, Await, Promise, Future} +import org.scalatest.{Matchers, OptionValues, WordSpec} +import org.scalatest.concurrent.{ScalaFutures, PatienceConfiguration} +import java.util.UUID +import scala.util.{Random, Success} +import scala.concurrent.duration._ +import java.util.concurrent.TimeUnit +import akka.actor.{Actor, ActorSystem} +import kamon.trace.{Trace, TraceContext} + + +class FutureTracingSpec extends WordSpec with Matchers with ScalaFutures with PatienceConfiguration with OptionValues { + + implicit val execContext = ExecutionContext.Implicits.global + + "a Future created with FutureTracing" should { + "capture the TraceContext available when created" which { + "must be available when executing the future's body" in new TraceContextFixture { + var future: Future[Option[TraceContext]] = _ + + Trace.withContext(testTraceContext) { + future = Future(Trace.context) + } + + whenReady(future)( ctxInFuture => + ctxInFuture should equal(testTraceContext) + ) + } + + "must be available when executing callbacks on the future" in new TraceContextFixture { + var future: Future[Option[TraceContext]] = _ + + Trace.withContext(testTraceContext) { + future = Future("Hello Kamon!") + // The TraceContext is expected to be available during all intermediate processing. + .map (_.length) + .flatMap(len => Future(len.toString)) + .map (s => Trace.context()) + } + + whenReady(future)( ctxInFuture => + ctxInFuture should equal(testTraceContext) + ) + } + } + } + + trait TraceContextFixture { + val random = new Random(System.nanoTime) + val testTraceContext = Some(TraceContext(Actor.noSender, random.nextInt)) + } +} + + |