+str #15750 Prototype of stream supervision
* add supervion for stages and built in ops run by interpreter * add supervision for mapAsync and mapAsyncUnordered * add supervision to groupBy and splitWhen * reference doc for scala and java
This commit is contained in:
Patrik Nordwall
parent
3b46966240
commit
693dcbefcc
33 changed files with 1563 additions and 179 deletions
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@ -3,15 +3,17 @@
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*/
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package akka.stream.impl.fusing
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import akka.stream.impl.fusing.Map
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import scala.util.control.NoStackTrace
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import akka.stream.Supervision
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class InterpreterSpec extends InterpreterSpecKit {
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import Supervision.stoppingDecider
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import Supervision.resumingDecider
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import Supervision.restartingDecider
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"Interpreter" must {
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"implement map correctly" in new TestSetup(Seq(Map((x: Int) ⇒ x + 1))) {
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"implement map correctly" in new TestSetup(Seq(Map((x: Int) ⇒ x + 1, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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downstream.requestOne()
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@ -31,9 +33,9 @@ class InterpreterSpec extends InterpreterSpecKit {
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}
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"implement chain of maps correctly" in new TestSetup(Seq(
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Map((x: Int) ⇒ x + 1),
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Map((x: Int) ⇒ x * 2),
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Map((x: Int) ⇒ x + 1))) {
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Map((x: Int) ⇒ x + 1, stoppingDecider),
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Map((x: Int) ⇒ x * 2, stoppingDecider),
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Map((x: Int) ⇒ x + 1, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -68,7 +70,7 @@ class InterpreterSpec extends InterpreterSpecKit {
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"implement one-to-many many-to-one chain correctly" in new TestSetup(Seq(
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Doubler(),
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Filter((x: Int) ⇒ x != 0))) {
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Filter((x: Int) ⇒ x != 0, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -92,7 +94,7 @@ class InterpreterSpec extends InterpreterSpecKit {
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}
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"implement many-to-one one-to-many chain correctly" in new TestSetup(Seq(
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Filter((x: Int) ⇒ x != 0),
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Filter((x: Int) ⇒ x != 0, stoppingDecider),
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Doubler())) {
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lastEvents() should be(Set.empty)
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@ -134,9 +136,9 @@ class InterpreterSpec extends InterpreterSpecKit {
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}
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"implement take inside a chain" in new TestSetup(Seq(
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Filter((x: Int) ⇒ x != 0),
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Filter((x: Int) ⇒ x != 0, stoppingDecider),
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Take(2),
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Map((x: Int) ⇒ x + 1))) {
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Map((x: Int) ⇒ x + 1, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -156,7 +158,7 @@ class InterpreterSpec extends InterpreterSpecKit {
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lastEvents() should be(Set(Cancel, OnComplete, OnNext(3)))
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}
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"implement fold" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x))) {
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"implement fold" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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downstream.requestOne()
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@ -175,7 +177,7 @@ class InterpreterSpec extends InterpreterSpecKit {
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lastEvents() should be(Set(OnNext(3), OnComplete))
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}
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"implement fold with proper cancel" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x))) {
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"implement fold with proper cancel" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -195,7 +197,7 @@ class InterpreterSpec extends InterpreterSpecKit {
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lastEvents() should be(Set(Cancel))
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}
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"work if fold completes while not in a push position" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x))) {
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"work if fold completes while not in a push position" in new TestSetup(Seq(Fold(0, (agg: Int, x: Int) ⇒ agg + x, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -233,7 +235,8 @@ class InterpreterSpec extends InterpreterSpecKit {
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"implement conflate" in new TestSetup(Seq(Conflate(
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(in: Int) ⇒ in,
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(agg: Int, x: Int) ⇒ agg + x))) {
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(agg: Int, x: Int) ⇒ agg + x,
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stoppingDecider))) {
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lastEvents() should be(Set(RequestOne))
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@ -293,10 +296,12 @@ class InterpreterSpec extends InterpreterSpecKit {
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"work with conflate-conflate" in new TestSetup(Seq(
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Conflate(
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(in: Int) ⇒ in,
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(agg: Int, x: Int) ⇒ agg + x),
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(agg: Int, x: Int) ⇒ agg + x,
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stoppingDecider),
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Conflate(
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(in: Int) ⇒ in,
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(agg: Int, x: Int) ⇒ agg + x))) {
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(agg: Int, x: Int) ⇒ agg + x,
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stoppingDecider))) {
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lastEvents() should be(Set(RequestOne))
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@ -366,7 +371,8 @@ class InterpreterSpec extends InterpreterSpecKit {
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"implement conflate-expand" in new TestSetup(Seq(
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Conflate(
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(in: Int) ⇒ in,
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(agg: Int, x: Int) ⇒ agg + x),
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(agg: Int, x: Int) ⇒ agg + x,
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stoppingDecider),
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Expand(
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(in: Int) ⇒ in,
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(agg: Int) ⇒ (agg, agg)))) {
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@ -407,7 +413,8 @@ class InterpreterSpec extends InterpreterSpecKit {
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Doubler(),
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Conflate(
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(in: Int) ⇒ in,
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(agg: Int, x: Int) ⇒ agg + x))) {
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(agg: Int, x: Int) ⇒ agg + x,
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stoppingDecider))) {
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lastEvents() should be(Set(RequestOne))
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upstream.onNext(1)
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@ -422,11 +429,11 @@ class InterpreterSpec extends InterpreterSpecKit {
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}
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"work with jumpback table and completed elements" in new TestSetup(Seq(
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Map((x: Int) ⇒ x),
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Map((x: Int) ⇒ x),
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Map((x: Int) ⇒ x, stoppingDecider),
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Map((x: Int) ⇒ x, stoppingDecider),
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KeepGoing(),
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Map((x: Int) ⇒ x),
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Map((x: Int) ⇒ x))) {
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Map((x: Int) ⇒ x, stoppingDecider),
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Map((x: Int) ⇒ x, stoppingDecider))) {
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lastEvents() should be(Set.empty)
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@ -469,56 +476,6 @@ class InterpreterSpec extends InterpreterSpecKit {
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"implement drop-take" in pending
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val TE = new Exception("TEST") with NoStackTrace {
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override def toString = "TE"
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}
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"handle external failure" in new TestSetup(Seq(Map((x: Int) ⇒ x + 1))) {
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lastEvents() should be(Set.empty)
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upstream.onError(TE)
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lastEvents() should be(Set(OnError(TE)))
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}
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"handle failure inside op" in new TestSetup(Seq(Map((x: Int) ⇒ if (x == 0) throw TE else x))) {
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lastEvents() should be(Set.empty)
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downstream.requestOne()
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lastEvents() should be(Set(RequestOne))
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upstream.onNext(2)
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lastEvents() should be(Set(OnNext(2)))
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downstream.requestOne()
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lastEvents() should be(Set(RequestOne))
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upstream.onNext(0)
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lastEvents() should be(Set(Cancel, OnError(TE)))
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}
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"handle failure inside op in middle of the chain" in new TestSetup(Seq(
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Map((x: Int) ⇒ x + 1),
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Map((x: Int) ⇒ if (x == 0) throw TE else x),
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Map((x: Int) ⇒ x + 1))) {
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lastEvents() should be(Set.empty)
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downstream.requestOne()
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lastEvents() should be(Set(RequestOne))
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upstream.onNext(2)
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lastEvents() should be(Set(OnNext(4)))
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downstream.requestOne()
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lastEvents() should be(Set(RequestOne))
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upstream.onNext(-1)
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lastEvents() should be(Set(Cancel, OnError(TE)))
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}
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"work with keep-going ops" in pending
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}
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