diff options
Diffstat (limited to 'test/files/jvm/future-spec')
-rw-r--r-- | test/files/jvm/future-spec/FutureTests.scala | 124 | ||||
-rw-r--r-- | test/files/jvm/future-spec/PromiseTests.scala | 15 |
2 files changed, 74 insertions, 65 deletions
diff --git a/test/files/jvm/future-spec/FutureTests.scala b/test/files/jvm/future-spec/FutureTests.scala index e5e01a5954..ca9ff5090f 100644 --- a/test/files/jvm/future-spec/FutureTests.scala +++ b/test/files/jvm/future-spec/FutureTests.scala @@ -10,21 +10,69 @@ import scala.runtime.NonLocalReturnControl object FutureTests extends MinimalScalaTest { - + /* some utils */ - def testAsync(s: String): Future[String] = s match { + def testAsync(s: String)(implicit ec: ExecutionContext): Future[String] = s match { case "Hello" => future { "World" } - case "Failure" => Promise.failed(new RuntimeException("Expected exception; to test fault-tolerance")).future + case "Failure" => Future.failed(new RuntimeException("Expected exception; to test fault-tolerance")) case "NoReply" => Promise[String]().future } val defaultTimeout = 5 seconds /* future specification */ + + "A future with custom ExecutionContext" should { + "shouldHandleThrowables" in { + val ms = new mutable.HashSet[Throwable] with mutable.SynchronizedSet[Throwable] + implicit val ec = scala.concurrent.ExecutionContext.fromExecutor(new scala.concurrent.forkjoin.ForkJoinPool(), { + t => + ms += t + }) + + class ThrowableTest(m: String) extends Throwable(m) + + val f1 = future[Any] { + throw new ThrowableTest("test") + } + + intercept[ThrowableTest] { + Await.result(f1, defaultTimeout) + } + + val latch = new TestLatch + val f2 = future { + Await.ready(latch, 5 seconds) + "success" + } + val f3 = f2 map { s => s.toUpperCase } + + f2 foreach { _ => throw new ThrowableTest("dispatcher foreach") } + f2 onSuccess { case _ => throw new ThrowableTest("dispatcher receive") } + + latch.open() + + Await.result(f2, defaultTimeout) mustBe ("success") + + f2 foreach { _ => throw new ThrowableTest("current thread foreach") } + f2 onSuccess { case _ => throw new ThrowableTest("current thread receive") } + + Await.result(f3, defaultTimeout) mustBe ("SUCCESS") + + val waiting = future { + Thread.sleep(1000) + } + Await.ready(waiting, 2000 millis) + + ms.size mustBe (4) + //FIXME should check + } + } - "A future" should { - + "A future with global ExecutionContext" should { + import ExecutionContext.Implicits._ + "compose with for-comprehensions" in { def async(x: Int) = future { (x * 2).toString } val future0 = future[Any] { @@ -122,20 +170,20 @@ object FutureTests extends MinimalScalaTest { val r = new IllegalStateException("recovered") intercept[IllegalStateException] { - val failed = Promise.failed[String](o).future recoverWith { - case _ if false == true => Promise.successful("yay!").future + val failed = Future.failed[String](o) recoverWith { + case _ if false == true => Future.successful("yay!") } Await.result(failed, defaultTimeout) } mustBe (o) - val recovered = Promise.failed[String](o).future recoverWith { - case _ => Promise.successful("yay!").future + val recovered = Future.failed[String](o) recoverWith { + case _ => Future.successful("yay!") } Await.result(recovered, defaultTimeout) mustBe ("yay!") intercept[IllegalStateException] { - val refailed = Promise.failed[String](o).future recoverWith { - case _ => Promise.failed[String](r).future + val refailed = Future.failed[String](o) recoverWith { + case _ => Future.failed[String](r) } Await.result(refailed, defaultTimeout) } mustBe (r) @@ -164,7 +212,7 @@ object FutureTests extends MinimalScalaTest { "firstCompletedOf" in { def futures = Vector.fill[Future[Int]](10) { Promise[Int]().future - } :+ Promise.successful[Int](5).future + } :+ Future.successful[Int](5) Await.result(Future.firstCompletedOf(futures), defaultTimeout) mustBe (5) Await.result(Future.firstCompletedOf(futures.iterator), defaultTimeout) mustBe (5) @@ -186,21 +234,21 @@ object FutureTests extends MinimalScalaTest { val timeout = 10000 millis val f = new IllegalStateException("test") intercept[IllegalStateException] { - val failed = Promise.failed[String](f).future zip Promise.successful("foo").future + val failed = Future.failed[String](f) zip Future.successful("foo") Await.result(failed, timeout) } mustBe (f) intercept[IllegalStateException] { - val failed = Promise.successful("foo").future zip Promise.failed[String](f).future + val failed = Future.successful("foo") zip Future.failed[String](f) Await.result(failed, timeout) } mustBe (f) intercept[IllegalStateException] { - val failed = Promise.failed[String](f).future zip Promise.failed[String](f).future + val failed = Future.failed[String](f) zip Future.failed[String](f) Await.result(failed, timeout) } mustBe (f) - val successful = Promise.successful("foo").future zip Promise.successful("foo").future + val successful = Future.successful("foo") zip Future.successful("foo") Await.result(successful, timeout) mustBe (("foo", "foo")) } @@ -337,50 +385,6 @@ object FutureTests extends MinimalScalaTest { Await.result(traversedIterator, defaultTimeout).sum mustBe (10000) } - "shouldHandleThrowables" in { - val ms = new mutable.HashSet[Throwable] with mutable.SynchronizedSet[Throwable] - implicit val ec = scala.concurrent.ExecutionContext.fromExecutor(new scala.concurrent.forkjoin.ForkJoinPool(), { - t => - ms += t - }) - - class ThrowableTest(m: String) extends Throwable(m) - - val f1 = future[Any] { - throw new ThrowableTest("test") - } - - intercept[ThrowableTest] { - Await.result(f1, defaultTimeout) - } - - val latch = new TestLatch - val f2 = future { - Await.ready(latch, 5 seconds) - "success" - } - val f3 = f2 map { s => s.toUpperCase } - - f2 foreach { _ => throw new ThrowableTest("dispatcher foreach") } - f2 onSuccess { case _ => throw new ThrowableTest("dispatcher receive") } - - latch.open() - - Await.result(f2, defaultTimeout) mustBe ("success") - - f2 foreach { _ => throw new ThrowableTest("current thread foreach") } - f2 onSuccess { case _ => throw new ThrowableTest("current thread receive") } - - Await.result(f3, defaultTimeout) mustBe ("SUCCESS") - - val waiting = future { - Thread.sleep(1000) - } - Await.ready(waiting, 2000 millis) - - ms.size mustBe (4) - } - "shouldBlockUntilResult" in { val latch = new TestLatch diff --git a/test/files/jvm/future-spec/PromiseTests.scala b/test/files/jvm/future-spec/PromiseTests.scala index bf9d9b39d7..49bc642b57 100644 --- a/test/files/jvm/future-spec/PromiseTests.scala +++ b/test/files/jvm/future-spec/PromiseTests.scala @@ -10,7 +10,8 @@ import scala.runtime.NonLocalReturnControl object PromiseTests extends MinimalScalaTest { - + import ExecutionContext.Implicits._ + val defaultTimeout = Inf /* promise specification */ @@ -20,11 +21,13 @@ object PromiseTests extends MinimalScalaTest { "not be completed" in { val p = Promise() p.future.isCompleted mustBe (false) + p.isCompleted mustBe (false) } "have no value" in { val p = Promise() p.future.value mustBe (None) + p.isCompleted mustBe (false) } "return supplied value on timeout" in { @@ -45,14 +48,16 @@ object PromiseTests extends MinimalScalaTest { "A successful Promise" should { val result = "test value" - val future = Promise[String]().complete(Right(result)).future - futureWithResult(_(future, result)) + val promise = Promise[String]().complete(Right(result)) + promise.isCompleted mustBe (true) + futureWithResult(_(promise.future, result)) } "A failed Promise" should { val message = "Expected Exception" - val future = Promise[String]().complete(Left(new RuntimeException(message))).future - futureWithException[RuntimeException](_(future, message)) + val promise = Promise[String]().complete(Left(new RuntimeException(message))) + promise.isCompleted mustBe (true) + futureWithException[RuntimeException](_(promise.future, message)) } "An interrupted Promise" should { |