Bug 2038: Ensure only one concurrent 3-phase commit in Shard

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / ShardTestKit.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTestKit.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTestKit.java
new file mode 100644 (file)
index 0000000..9a0e8f9
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+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTestKit.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2014 Brocade Communications Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.datastore;
+
+import java.util.concurrent.TimeUnit;
+import org.junit.Assert;
+import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
+import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
+import com.google.common.util.concurrent.Uninterruptibles;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.pattern.Patterns;
+import akka.testkit.JavaTestKit;
+import akka.util.Timeout;
+
+class ShardTestKit extends JavaTestKit {
+
+    ShardTestKit(ActorSystem actorSystem) {
+        super(actorSystem);
+    }
+
+    protected 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
+            ) {
+                @Override
+                protected Boolean run() {
+                    return true;
+                }
+            }.from(subject.path().toString())
+                .message(logMessage)
+                .occurrences(1).exec();
+
+        Assert.assertEquals(true, result);
+
+    }
+
+    protected void waitUntilLeader(ActorRef shard) {
+        for(int i = 0; i < 20 * 5; i++) {
+            Future<Object> future = Patterns.ask(shard, new FindLeader(), new Timeout(5, TimeUnit.SECONDS));
+            try {
+                FindLeaderReply resp = (FindLeaderReply)Await.result(future, Duration.create(5, TimeUnit.SECONDS));
+                if(resp.getLeaderActor() != null) {
+                    return;
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+
+            Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+        }
+
+        Assert.fail("Leader not found for shard " + shard.path());
+    }
+}
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