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Sample showing basic usage of Akka TestKit and TestActorRef
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| package sample.akka.testkit | |
| import akka.actor.ActorSystem | |
| import akka.actor.Actor | |
| import akka.testkit.{TestKit, TestActorRef} | |
| import org.scalatest.matchers.MustMatchers | |
| import org.scalatest.WordSpec | |
| class ImplicitSenderTest extends TestKit(ActorSystem("testSystem")) | |
| // Using the ImplicitSender trait will automatically set `testActor` as the sender | |
| with ImplicitSender | |
| with WordSpec | |
| with MustMatchers { | |
| "A simple actor" must { | |
| "send back a result" in { | |
| // Creation of the TestActorRef | |
| val actorRef = TestActorRef[SimpleActor] | |
| actorRef ! "akka" | |
| // This method assert that the `testActor` has received a specific message | |
| expectMsg("Hello akka") | |
| } | |
| } | |
| } |
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| package sample.akka.testkit | |
| import akka.actor.ActorSystem | |
| import akka.actor.Actor | |
| import akka.testkit.{TestKit, TestActorRef} | |
| import org.scalatest.matchers.MustMatchers | |
| import org.scalatest.WordSpec | |
| // Just a simple actor | |
| class SimpleActor extends Actor { | |
| // Sample actor internal state | |
| var lastMsg: String = "" | |
| def receive = { | |
| case msg: String => { | |
| // Storing the message in the internal state variable | |
| lastMsg = msg | |
| sender ! "Hello " + msg | |
| } | |
| } | |
| } | |
| class SimpleTest extends TestKit(ActorSystem("testSystem")) | |
| with WordSpec | |
| with MustMatchers { | |
| "A simple actor" must { | |
| // Creation of the TestActorRef | |
| val actorRef = TestActorRef[SimpleActor] | |
| "receive messages" in { | |
| // This call is synchronous. The actor receive() method will be called in the current thread | |
| actorRef ! "world" | |
| // With actorRef.underlyingActor, we can access the SimpleActor instance created by Akka | |
| actorRef.underlyingActor.lastMsg must equal("world") | |
| } | |
| } | |
| } |
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not compile here
libraryDependencies ++= Seq(
"org.apache.poi" % "poi" % "3.7",
"com.oracle.jdbc" % "driver" % "11.1.0.7",
"com.typesafe.akka" % "akka-actor_2.11" % "2.3.16",
"com.typesafe.akka" % "akka-testkit_2.11" % "2.3.16" % "test",
"org.scalatest" % "scalatest_2.11" % "3.0.4" % "test"
)