+act #3770 Added Java 8 friendly APIs for Actor and FSM

akka-samples/akka-sample-java8/src/test/java/sample/BuncherTest.java

@@ -0,0 +1,59 @@
+package sample;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import akka.testkit.JavaTestKit;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import java.util.LinkedList;
+
+import sample.java8.buncher.*;
+import static sample.java8.buncher.Events.Batch;
+import static sample.java8.buncher.Events.Queue;
+import static sample.java8.buncher.Events.SetTarget;
+import static sample.java8.buncher.Events.Flush.Flush;
+
+public class BuncherTest {
+
+  static ActorSystem system;
+
+  @BeforeClass
+  public static void setup() {
+    system = ActorSystem.create("BuncherTest");
+  }
+
+  @AfterClass
+  public static void tearDown() {
+    JavaTestKit.shutdownActorSystem(system);
+    system = null;
+  }
+
+  @Test
+  public void testBuncherActor()
+  {
+    new JavaTestKit(system) {{
+      final ActorRef buncher = system.actorOf(Props.create(Buncher.class), "buncher-actor");
+      final ActorRef probe = getRef();
+
+      buncher.tell(new SetTarget(probe), probe);
+      buncher.tell(new Queue(42), probe);
+      buncher.tell(new Queue(43), probe);
+      LinkedList<Object> list1 = new LinkedList<>();
+      list1.add(42);
+      list1.add(43);
+      expectMsgEquals(new Batch(list1));
+      buncher.tell(new Queue(44), probe);
+      buncher.tell(Flush, probe);
+      buncher.tell(new Queue(45), probe);
+      LinkedList<Object> list2 = new LinkedList<>();
+      list2.add(44);
+      expectMsgEquals(new Batch(list2));
+      LinkedList<Object> list3 = new LinkedList<>();
+      list3.add(45);
+      expectMsgEquals(new Batch(list3));
+      system.stop(buncher);
+    }};
+  }
+}