Merge branch 'tmp'

This commit is contained in:
Roland Kuhn 2015-01-27 16:26:04 +01:00
commit 9463c9ff6c
2 changed files with 78 additions and 75 deletions

View file

@ -6,8 +6,10 @@ package docs.actor
import language.postfixOps
//#testkit
import akka.testkit.{ AkkaSpec, ImplicitSender, EventFilter }
import akka.actor.{ ActorRef, Props, Terminated }
import akka.testkit.{ TestKit, ImplicitSender, EventFilter }
import akka.actor.{ ActorRef, Props, ActorSystem, Terminated }
import org.scalatest._
import com.typesafe.config.{ Config, ConfigFactory }
//#testkit
object FaultHandlingDocSpec {
@ -16,8 +18,6 @@ object FaultHandlingDocSpec {
import akka.actor.Actor
//#child
//#supervisor
//#supervisor
class Supervisor extends Actor {
//#strategy
import akka.actor.OneForOneStrategy
@ -79,7 +79,6 @@ object FaultHandlingDocSpec {
def receive = Actor.emptyBehavior
}
//#supervisor
//#child
class Child extends Actor {
@ -91,83 +90,87 @@ object FaultHandlingDocSpec {
}
}
//#child
val testConf: Config = ConfigFactory.parseString("""
akka {
loggers = ["akka.testkit.TestEventListener"]
}
""")
}
import FaultHandlingDocSpec._
//#testkit
class FaultHandlingDocSpec extends AkkaSpec with ImplicitSender {
//#testkit
class FaultHandlingDocSpec extends TestKit(ActorSystem("FaultHandlingDocSpec", testConf))
with FlatSpecLike with BeforeAndAfterAll with ImplicitSender {
import FaultHandlingDocSpec._
//#testkit
override def afterAll() {
system.terminate()
}
"A supervisor" must {
"A supervisor" must "apply the chosen strategy for its child" in {
//#testkit
"apply the chosen strategy for its child" in {
//#testkit
//#create
val supervisor = system.actorOf(Props[Supervisor], "supervisor")
//#create
val supervisor = system.actorOf(Props[Supervisor], "supervisor")
supervisor ! Props[Child]
val child = expectMsgType[ActorRef] // retrieve answer from TestKits testActor
//#create
EventFilter.warning(occurrences = 1) intercept {
//#resume
child ! 42 // set state to 42
child ! "get"
expectMsg(42)
supervisor ! Props[Child]
val child = expectMsgType[ActorRef] // retrieve answer from TestKits testActor
//#create
EventFilter.warning(occurrences = 1) intercept {
//#resume
child ! 42 // set state to 42
child ! "get"
expectMsg(42)
child ! new ArithmeticException // crash it
child ! "get"
expectMsg(42)
//#resume
}
EventFilter[NullPointerException](occurrences = 1) intercept {
//#restart
child ! new NullPointerException // crash it harder
child ! "get"
expectMsg(0)
//#restart
}
EventFilter[IllegalArgumentException](occurrences = 1) intercept {
//#stop
watch(child) // have testActor watch child
child ! new IllegalArgumentException // break it
expectMsgPF() { case Terminated(`child`) => () }
//#stop
}
EventFilter[Exception]("CRASH", occurrences = 2) intercept {
//#escalate-kill
supervisor ! Props[Child] // create new child
val child2 = expectMsgType[ActorRef]
watch(child2)
child2 ! "get" // verify it is alive
expectMsg(0)
child2 ! new Exception("CRASH") // escalate failure
expectMsgPF() {
case t @ Terminated(`child2`) if t.existenceConfirmed => ()
}
//#escalate-kill
//#escalate-restart
val supervisor2 = system.actorOf(Props[Supervisor2], "supervisor2")
supervisor2 ! Props[Child]
val child3 = expectMsgType[ActorRef]
child3 ! 23
child3 ! "get"
expectMsg(23)
child3 ! new Exception("CRASH")
child3 ! "get"
expectMsg(0)
//#escalate-restart
}
//#testkit
// code here
child ! new ArithmeticException // crash it
child ! "get"
expectMsg(42)
//#resume
}
EventFilter[NullPointerException](occurrences = 1) intercept {
//#restart
child ! new NullPointerException // crash it harder
child ! "get"
expectMsg(0)
//#restart
}
EventFilter[IllegalArgumentException](occurrences = 1) intercept {
//#stop
watch(child) // have testActor watch child
child ! new IllegalArgumentException // break it
expectMsgPF() { case Terminated(`child`) => () }
//#stop
}
EventFilter[Exception]("CRASH", occurrences = 2) intercept {
//#escalate-kill
supervisor ! Props[Child] // create new child
val child2 = expectMsgType[ActorRef]
watch(child2)
child2 ! "get" // verify it is alive
expectMsg(0)
child2 ! new Exception("CRASH") // escalate failure
expectMsgPF() {
case t @ Terminated(`child2`) if t.existenceConfirmed => ()
}
//#escalate-kill
//#escalate-restart
val supervisor2 = system.actorOf(Props[Supervisor2], "supervisor2")
supervisor2 ! Props[Child]
val child3 = expectMsgType[ActorRef]
child3 ! 23
child3 ! "get"
expectMsg(23)
child3 ! new Exception("CRASH")
child3 ! "get"
expectMsg(0)
//#escalate-restart
}
//#testkit
// code here
}
}
//#testkit