+act #3532: Add ask support for Java API

akka-actor-tests/src/test/java/akka/pattern/PatternsTest.java

@@ -0,0 +1,58 @@
+package akka.pattern;
+
+import akka.actor.*;
+import akka.dispatch.Futures;
+import akka.testkit.AkkaJUnitActorSystemResource;
+import akka.testkit.AkkaSpec;
+import akka.testkit.TestProbe;
+import org.junit.ClassRule;
+import org.junit.Test;
+import scala.concurrent.Await;
+import scala.concurrent.duration.Duration;
+
+import static akka.pattern.Patterns.ask;
+import static akka.pattern.Patterns.pipe;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Copyright (C) 2009-2013 Typesafe Inc. <http://www.typesafe.com>
+ */
+public class PatternsTest {
+
+    @ClassRule
+    public static AkkaJUnitActorSystemResource actorSystemResource = new AkkaJUnitActorSystemResource("JavaAPI",
+            AkkaSpec.testConf());
+
+    private final ActorSystem system = actorSystemResource.getSystem();
+
+
+    @Test
+    public void useAsk() throws Exception {
+        ActorRef testActor = system.actorOf(Props.create(JavaAPITestActor.class), "test");
+        assertEquals("Ask should return expected answer",
+                JavaAPITestActor.ANSWER, Await.result(ask(testActor, "hey!", 3000), Duration.create(3, "seconds")));
+    }
+
+    @Test
+    public void useAskWithActorSelection() throws Exception {
+        ActorRef testActor = system.actorOf(Props.create(JavaAPITestActor.class), "test2");
+        ActorSelection selection = system.actorSelection("/user/test2");
+        ActorIdentity id = (ActorIdentity) Await.result(ask(selection, new Identify("yo!"), 3000), Duration.create(3, "seconds"));
+        assertEquals("Ask (Identify) should return the proper ActorIdentity", testActor, id.getRef());
+    }
+
+    @Test
+    public void usePipe() throws Exception {
+        TestProbe probe = new TestProbe(system);
+        pipe(Futures.successful("ho!"), system.dispatcher()).to(probe.ref());
+        probe.expectMsg("ho!");
+    }
+
+    @Test
+    public void usePipeWithActorSelection() throws Exception {
+        TestProbe probe = new TestProbe(system);
+        ActorSelection selection = system.actorSelection(probe.ref().path());
+        pipe(Futures.successful("hi!"), system.dispatcher()).to(selection);
+        probe.expectMsg("hi!");
+    }
+}