import akka.testkit.JavaTestKit;
import akka.util.Timeout;
import com.google.common.util.concurrent.Uninterruptibles;
+import java.util.Optional;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
import org.junit.Assert;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-class ShardTestKit extends JavaTestKit {
+public class ShardTestKit extends JavaTestKit {
+ private static final Logger LOG = LoggerFactory.getLogger(ShardTestKit.class);
- ShardTestKit(ActorSystem actorSystem) {
+ public ShardTestKit(ActorSystem actorSystem) {
super(actorSystem);
}
- protected void waitForLogMessage(final Class<?> logLevel, ActorRef subject, String logMessage){
+ public void waitForLogMessage(final Class<?> logLevel, ActorRef subject, String logMessage) {
// Wait for a specific log message to show up
final boolean result =
new JavaTestKit.EventFilter<Boolean>(logLevel
}
- protected void waitUntilLeader(ActorRef shard) {
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ public static String waitUntilLeader(ActorRef shard) {
FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
- for(int i = 0; i < 20 * 5; i++) {
- Future<Object> future = Patterns.ask(shard, new FindLeader(), new Timeout(duration));
+ for (int i = 0; i < 20 * 5; i++) {
+ Future<Object> future = Patterns.ask(shard, FindLeader.INSTANCE, new Timeout(duration));
try {
- FindLeaderReply resp = (FindLeaderReply)Await.result(future, duration);
- if(resp.getLeaderActor() != null) {
- return;
+ final Optional<String> maybeLeader = ((FindLeaderReply) Await.result(future, duration))
+ .getLeaderActor();
+ if (maybeLeader.isPresent()) {
+ return maybeLeader.get();
}
- } catch(TimeoutException e) {
- } catch(Exception e) {
- System.err.println("FindLeader threw ex");
- e.printStackTrace();
+ } catch (TimeoutException e) {
+ LOG.trace("FindLeader timed out", e);
+ } catch (Exception e) {
+ LOG.error("FindLeader failed", e);
}
-
Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
}
Assert.fail("Leader not found for shard " + shard.path());
+ return null;
}
-}
\ No newline at end of file
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ public void waitUntilNoLeader(ActorRef shard) {
+ FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
+ Object lastResponse = null;
+ for (int i = 0; i < 20 * 5; i++) {
+ Future<Object> future = Patterns.ask(shard, FindLeader.INSTANCE, new Timeout(duration));
+ try {
+ final Optional<String> maybeLeader = ((FindLeaderReply) Await.result(future, duration))
+ .getLeaderActor();
+ if (!maybeLeader.isPresent()) {
+ return;
+ }
+
+ lastResponse = maybeLeader.get();
+ } catch (TimeoutException e) {
+ lastResponse = e;
+ } catch (Exception e) {
+ LOG.error("FindLeader failed", e);
+ lastResponse = e;
+ }
+
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
+
+ if (lastResponse instanceof Throwable) {
+ throw (AssertionError)new AssertionError(
+ String.format("Unexpected error occurred from FindLeader for shard %s", shard.path()))
+ .initCause((Throwable)lastResponse);
+ }
+
+ Assert.fail(String.format("Unexpected leader %s found for shard %s", lastResponse, shard.path()));
+ }
+}