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author | Ivan Topolnjak <ivantopo@gmail.com> | 2014-02-02 22:55:05 -0300 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2014-02-02 22:55:05 -0300 |
commit | f293332a6123b1ab24f83edb5ff56bd0335c20ad (patch) | |
tree | c02fe3eb87cd29649612e6c3bf625fd149383b3d /kamon-testkit/src/main/scala/testkit | |
parent | 01a835c17c9530b16c9dab0a35a95e31df733873 (diff) | |
download | Kamon-f293332a6123b1ab24f83edb5ff56bd0335c20ad.tar.gz Kamon-f293332a6123b1ab24f83edb5ff56bd0335c20ad.tar.bz2 Kamon-f293332a6123b1ab24f83edb5ff56bd0335c20ad.zip |
instrument akka testkit to correctly propagate TraceContexts when replying from a test probe
Diffstat (limited to 'kamon-testkit/src/main/scala/testkit')
-rw-r--r-- | kamon-testkit/src/main/scala/testkit/TestProbeInstrumentation.scala | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/kamon-testkit/src/main/scala/testkit/TestProbeInstrumentation.scala b/kamon-testkit/src/main/scala/testkit/TestProbeInstrumentation.scala new file mode 100644 index 00000000..de867035 --- /dev/null +++ b/kamon-testkit/src/main/scala/testkit/TestProbeInstrumentation.scala @@ -0,0 +1,54 @@ +/* + * ========================================================================================= + * 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 akka.testkit + +import org.aspectj.lang.annotation._ +import kamon.trace.{ TraceContextAware, TraceRecorder } +import org.aspectj.lang.ProceedingJoinPoint +import akka.testkit.TestActor.RealMessage + +@Aspect +class TestProbeInstrumentation { + + @DeclareMixin("akka.testkit.TestActor.RealMessage") + def mixin: TraceContextAware = TraceContextAware.default + + @Pointcut("execution(akka.testkit.TestActor.RealMessage.new(..)) && this(ctx)") + def realMessageCreation(ctx: TraceContextAware): Unit = {} + + @After("realMessageCreation(ctx)") + def afterRealMessageCreation(ctx: TraceContextAware): Unit = { + // Necessary to force the initialization of ContextAware at the moment of creation. + ctx.traceContext + } + + @Pointcut("execution(* akka.testkit.TestProbe.reply(..)) && this(testProbe)") + def testProbeReply(testProbe: TestProbe): Unit = {} + + @Around("testProbeReply(testProbe)") + def aroundTestProbeReply(pjp: ProceedingJoinPoint, testProbe: TestProbe): Any = { + val traceContext = testProbe.lastMessage match { + case msg: RealMessage ⇒ msg.asInstanceOf[TraceContextAware].traceContext + case _ ⇒ None + } + + TraceRecorder.withTraceContext(traceContext) { + pjp.proceed + } + } + +} |