b97a72c773
* it used the materializer dispatcher for the blocking take * it was leaking threads (blocking threads) when when materializer was shutdown abruptly
53 lines
1.7 KiB
Java
53 lines
1.7 KiB
Java
/**
|
|
* Copyright (C) 2015-2016 Lightbend Inc. <http://www.lightbend.com>
|
|
*/
|
|
package akka.stream.io;
|
|
|
|
import akka.stream.IOResult;
|
|
import akka.stream.StreamTest;
|
|
import akka.testkit.AkkaJUnitActorSystemResource;
|
|
import akka.stream.javadsl.Source;
|
|
import akka.stream.javadsl.StreamConverters;
|
|
import akka.stream.testkit.Utils;
|
|
import akka.util.ByteString;
|
|
import org.junit.ClassRule;
|
|
import org.junit.Test;
|
|
import scala.concurrent.Await;
|
|
import scala.concurrent.Future;
|
|
import scala.concurrent.duration.FiniteDuration;
|
|
|
|
import java.io.OutputStream;
|
|
import java.util.concurrent.CompletionStage;
|
|
import java.util.concurrent.TimeUnit;
|
|
|
|
import static org.junit.Assert.assertTrue;
|
|
import static org.junit.Assert.assertFalse;
|
|
|
|
public class OutputStreamSinkTest extends StreamTest {
|
|
public OutputStreamSinkTest() {
|
|
super(actorSystemResource);
|
|
}
|
|
|
|
@ClassRule
|
|
public static AkkaJUnitActorSystemResource actorSystemResource = new AkkaJUnitActorSystemResource("OutputStreamSinkTest",
|
|
Utils.UnboundedMailboxConfig());
|
|
@Test
|
|
public void mustSignalFailureViaIoResult() throws Exception {
|
|
|
|
final OutputStream os = new OutputStream() {
|
|
volatile int left = 3;
|
|
public void write(int data) {
|
|
if (left == 0) {
|
|
throw new RuntimeException("Can't accept more data.");
|
|
}
|
|
left -= 1;
|
|
}
|
|
};
|
|
final CompletionStage<IOResult> resultFuture = Source.single(ByteString.fromString("123456")).runWith(StreamConverters.fromOutputStream(() -> os), materializer);
|
|
final IOResult result = resultFuture.toCompletableFuture().get(3000, TimeUnit.MILLISECONDS);
|
|
|
|
assertFalse(result.wasSuccessful());
|
|
assertTrue(result.getError().getMessage().equals("Can't accept more data."));
|
|
}
|
|
|
|
}
|