Re: [akka-user] Re: Akka Stream is not running (without compiler error)
You'll need to either use a test framework which can deal with async tests or you'll have to wait for the result and perform the assertion at the end of each test. -- Cheers, √ On 3 Apr 2015 00:21, Allen Nie aiming...@gmail.com wrote: Thank you Viktor!! I tried to switch from test to App, and it works. Also it works with Map instead of MapAsync. Does this mean I can not test this kind of things anymore? Is there anything I can do to still make the test case work?? Sincerely, Allen On Thursday, April 2, 2015 at 6:04:24 PM UTC-4, √ wrote: I suspect your problem is that your test exits before the stream has a chance to run. On Thu, Apr 2, 2015 at 11:56 PM, Viktor Klang viktor...@gmail.com wrote: Works on my machine: scala import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.ArrayBuffer scala import akka.stream._ import akka.stream._ scala import akka.stream.scaladsl._ import akka.stream.scaladsl._ scala implicit val sys = ActorSystem(repl) sys: akka.actor.ActorSystem = akka://repl scala import sys.dispatcher import sys.dispatcher scala implicit val fm = ActorFlowMaterializer() fm: akka.stream.ActorFlowMaterializer = ActorFlowMaterializerImpl( ActorFlowMaterializerSettings(4,16,,function1, StreamSubscriptionTimeoutSettings(CancelTermination,5000 milliseconds),false,1000,Optimizations(false,false, false,false)),akka.dispatch.Dispatchers@3dff9cf6,Actor[ akka://repl/user/$b#575469743],1,flow,Optimizations(false, false,false,false)) scala val source: Source[Int, Unit] = Source(1 to 10) source: akka.stream.scaladsl.Source[Int,Unit] = akka.stream.scaladsl.Source@4d8aca2f scala val printSink = Sink.foreach[Int](println) printSink: akka.stream.scaladsl.Sink[Int,scala.concurrent.Future[Unit]] = akka.stream.scaladsl.Sink@7d6cac88 scala val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] actionStream: scala.collection.mutable.ArrayBuffer[Int = Int] = ArrayBuffer() scala def add(a: Int) = a + 1 add: (a: Int)Int scala scala def exec(): Unit = | actionStream.drop(1).foldLeft(source)( | (source, action) = source.via(Flow[Int].mapAsync(e = Future(action(e | ).runWith(printSink) exec: ()Unit scala scala actionStream += add res6: actionStream.type = ArrayBuffer(function1) scala actionStream += add res7: actionStream.type = ArrayBuffer(function1, function1) scala exec() scala 2 3 4 5 6 7 8 9 10 11 On Thu, Apr 2, 2015 at 11:29 PM, Allen Nie aimi...@gmail.com wrote: I came up a much simplified program to test, and I still get nothing: val source: Source[Int, Unit] = Source(1 to 10) val printSink = Sink.foreach[Int](e = println(e)) val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] def add(a: Int) = a + 1 def exec(): Unit = { val sourceReady = actionStream.drop(1).foldLeft(source) {(source, action) = source.via(Flow[Int].mapAsync(e = Future(action.apply(e } sourceReady sourceReady.runWith(printSink) } parallel test should work in { actionStream += ((a: Int) = add(a)) actionStream += ((a: Int) = add(a)) exec() } -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/ current/additional/faq.html Search the archives: https://groups.google.com/ group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+...@googlegroups.com. To post to this group, send email to akka...@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout. -- Cheers, √ -- Cheers, √ -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout. -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit
Re: [akka-user] Re: Akka Stream is not running (without compiler error)
I suspect your problem is that your test exits before the stream has a chance to run. On Thu, Apr 2, 2015 at 11:56 PM, Viktor Klang viktor.kl...@gmail.com wrote: Works on my machine: scala import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.ArrayBuffer scala import akka.stream._ import akka.stream._ scala import akka.stream.scaladsl._ import akka.stream.scaladsl._ scala implicit val sys = ActorSystem(repl) sys: akka.actor.ActorSystem = akka://repl scala import sys.dispatcher import sys.dispatcher scala implicit val fm = ActorFlowMaterializer() fm: akka.stream.ActorFlowMaterializer = ActorFlowMaterializerImpl(ActorFlowMaterializerSettings(4,16,,function1,StreamSubscriptionTimeoutSettings(CancelTermination,5000 milliseconds),false,1000,Optimizations(false,false,false,false)),akka.dispatch.Dispatchers@3dff9cf6 ,Actor[akka://repl/user/$b#575469743],1,flow,Optimizations(false,false,false,false)) scala val source: Source[Int, Unit] = Source(1 to 10) source: akka.stream.scaladsl.Source[Int,Unit] = akka.stream.scaladsl.Source@4d8aca2f scala val printSink = Sink.foreach[Int](println) printSink: akka.stream.scaladsl.Sink[Int,scala.concurrent.Future[Unit]] = akka.stream.scaladsl.Sink@7d6cac88 scala val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] actionStream: scala.collection.mutable.ArrayBuffer[Int = Int] = ArrayBuffer() scala def add(a: Int) = a + 1 add: (a: Int)Int scala scala def exec(): Unit = | actionStream.drop(1).foldLeft(source)( | (source, action) = source.via(Flow[Int].mapAsync(e = Future(action(e | ).runWith(printSink) exec: ()Unit scala scala actionStream += add res6: actionStream.type = ArrayBuffer(function1) scala actionStream += add res7: actionStream.type = ArrayBuffer(function1, function1) scala exec() scala 2 3 4 5 6 7 8 9 10 11 On Thu, Apr 2, 2015 at 11:29 PM, Allen Nie aiming...@gmail.com wrote: I came up a much simplified program to test, and I still get nothing: val source: Source[Int, Unit] = Source(1 to 10) val printSink = Sink.foreach[Int](e = println(e)) val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] def add(a: Int) = a + 1 def exec(): Unit = { val sourceReady = actionStream.drop(1).foldLeft(source) {(source, action) = source.via(Flow[Int].mapAsync(e = Future(action.apply(e } sourceReady sourceReady.runWith(printSink) } parallel test should work in { actionStream += ((a: Int) = add(a)) actionStream += ((a: Int) = add(a)) exec() } -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout. -- Cheers, √ -- Cheers, √ -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
Re: [akka-user] Re: Akka Stream is not running (without compiler error)
Thank you Viktor!! I tried to switch from test to App, and it works. Also it works with Map instead of MapAsync. Does this mean I can not test this kind of things anymore? Is there anything I can do to still make the test case work?? Sincerely, Allen On Thursday, April 2, 2015 at 6:04:24 PM UTC-4, √ wrote: I suspect your problem is that your test exits before the stream has a chance to run. On Thu, Apr 2, 2015 at 11:56 PM, Viktor Klang viktor...@gmail.com javascript: wrote: Works on my machine: scala import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.ArrayBuffer scala import akka.stream._ import akka.stream._ scala import akka.stream.scaladsl._ import akka.stream.scaladsl._ scala implicit val sys = ActorSystem(repl) sys: akka.actor.ActorSystem = akka://repl scala import sys.dispatcher import sys.dispatcher scala implicit val fm = ActorFlowMaterializer() fm: akka.stream.ActorFlowMaterializer = ActorFlowMaterializerImpl(ActorFlowMaterializerSettings(4,16,,function1,StreamSubscriptionTimeoutSettings(CancelTermination,5000 milliseconds),false,1000,Optimizations(false,false,false,false)),akka.dispatch.Dispatchers@3dff9cf6,Actor[akka://repl/user/$b#575469743],1,flow,Optimizations(false,false,false,false)) scala val source: Source[Int, Unit] = Source(1 to 10) source: akka.stream.scaladsl.Source[Int,Unit] = akka.stream.scaladsl.Source@4d8aca2f scala val printSink = Sink.foreach[Int](println) printSink: akka.stream.scaladsl.Sink[Int,scala.concurrent.Future[Unit]] = akka.stream.scaladsl.Sink@7d6cac88 scala val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] actionStream: scala.collection.mutable.ArrayBuffer[Int = Int] = ArrayBuffer() scala def add(a: Int) = a + 1 add: (a: Int)Int scala scala def exec(): Unit = | actionStream.drop(1).foldLeft(source)( | (source, action) = source.via(Flow[Int].mapAsync(e = Future(action(e | ).runWith(printSink) exec: ()Unit scala scala actionStream += add res6: actionStream.type = ArrayBuffer(function1) scala actionStream += add res7: actionStream.type = ArrayBuffer(function1, function1) scala exec() scala 2 3 4 5 6 7 8 9 10 11 On Thu, Apr 2, 2015 at 11:29 PM, Allen Nie aimi...@gmail.com javascript: wrote: I came up a much simplified program to test, and I still get nothing: val source: Source[Int, Unit] = Source(1 to 10) val printSink = Sink.foreach[Int](e = println(e)) val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] def add(a: Int) = a + 1 def exec(): Unit = { val sourceReady = actionStream.drop(1).foldLeft(source) {(source, action) = source.via(Flow[Int].mapAsync(e = Future(action.apply(e } sourceReady sourceReady.runWith(printSink) } parallel test should work in { actionStream += ((a: Int) = add(a)) actionStream += ((a: Int) = add(a)) exec() } -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+...@googlegroups.com javascript:. To post to this group, send email to akka...@googlegroups.com javascript:. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout. -- Cheers, √ -- Cheers, √ -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
Re: [akka-user] Re: Akka Stream is not running (without compiler error)
Works on my machine: scala import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.ArrayBuffer scala import akka.stream._ import akka.stream._ scala import akka.stream.scaladsl._ import akka.stream.scaladsl._ scala implicit val sys = ActorSystem(repl) sys: akka.actor.ActorSystem = akka://repl scala import sys.dispatcher import sys.dispatcher scala implicit val fm = ActorFlowMaterializer() fm: akka.stream.ActorFlowMaterializer = ActorFlowMaterializerImpl(ActorFlowMaterializerSettings(4,16,,function1,StreamSubscriptionTimeoutSettings(CancelTermination,5000 milliseconds),false,1000,Optimizations(false,false,false,false)),akka.dispatch.Dispatchers@3dff9cf6 ,Actor[akka://repl/user/$b#575469743],1,flow,Optimizations(false,false,false,false)) scala val source: Source[Int, Unit] = Source(1 to 10) source: akka.stream.scaladsl.Source[Int,Unit] = akka.stream.scaladsl.Source@4d8aca2f scala val printSink = Sink.foreach[Int](println) printSink: akka.stream.scaladsl.Sink[Int,scala.concurrent.Future[Unit]] = akka.stream.scaladsl.Sink@7d6cac88 scala val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] actionStream: scala.collection.mutable.ArrayBuffer[Int = Int] = ArrayBuffer() scala def add(a: Int) = a + 1 add: (a: Int)Int scala scala def exec(): Unit = | actionStream.drop(1).foldLeft(source)( | (source, action) = source.via(Flow[Int].mapAsync(e = Future(action(e | ).runWith(printSink) exec: ()Unit scala scala actionStream += add res6: actionStream.type = ArrayBuffer(function1) scala actionStream += add res7: actionStream.type = ArrayBuffer(function1, function1) scala exec() scala 2 3 4 5 6 7 8 9 10 11 On Thu, Apr 2, 2015 at 11:29 PM, Allen Nie aiming...@gmail.com wrote: I came up a much simplified program to test, and I still get nothing: val source: Source[Int, Unit] = Source(1 to 10) val printSink = Sink.foreach[Int](e = println(e)) val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] def add(a: Int) = a + 1 def exec(): Unit = { val sourceReady = actionStream.drop(1).foldLeft(source) {(source, action) = source.via(Flow[Int].mapAsync(e = Future(action.apply(e } sourceReady sourceReady.runWith(printSink) } parallel test should work in { actionStream += ((a: Int) = add(a)) actionStream += ((a: Int) = add(a)) exec() } -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout. -- Cheers, √ -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
[akka-user] Re: Akka Stream is not running (without compiler error)
I came up a much simplified program to test, and I still get nothing: val source: Source[Int, Unit] = Source(1 to 10) val printSink = Sink.foreach[Int](e = println(e)) val actionStream: ArrayBuffer[(Int) = Int] = ArrayBuffer.empty[(Int) = Int] def add(a: Int) = a + 1 def exec(): Unit = { val sourceReady = actionStream.drop(1).foldLeft(source) {(source, action) = source.via(Flow[Int].mapAsync(e = Future(action.apply(e } sourceReady sourceReady.runWith(printSink) } parallel test should work in { actionStream += ((a: Int) = add(a)) actionStream += ((a: Int) = add(a)) exec() } -- Read the docs: http://akka.io/docs/ Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups Akka User List group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.