+/*
+ * Copyright (c) 2017 Cisco 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.sharding;
+
+import static akka.actor.ActorRef.noSender;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
+import akka.actor.ActorRef;
+import akka.actor.Props;
+import akka.testkit.JavaTestKit;
+import org.junit.Test;
+import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
+import org.opendaylight.controller.cluster.dom.api.LeaderLocation;
+import org.opendaylight.controller.cluster.dom.api.LeaderLocationListener;
+import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
+import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
+
+public class RoleChangeListenerActorTest extends AbstractActorTest {
+
+ @Test
+ public void testRegisterRoleChangeListenerOnStart() {
+ new JavaTestKit(getSystem()) {
+ {
+ final LeaderLocationListener listener = mock(LeaderLocationListener.class);
+ final Props props = RoleChangeListenerActor.props(getRef(), listener);
+
+ getSystem().actorOf(props, "testRegisterRoleChangeListenerOnStart");
+ expectMsgClass(RegisterRoleChangeListener.class);
+ }
+ };
+ }
+
+ @Test
+ public void testOnDataTreeChanged() {
+ final LeaderLocationListener listener = mock(LeaderLocationListener.class);
+ doNothing().when(listener).onLeaderLocationChanged(any());
+ final Props props = RoleChangeListenerActor.props(getSystem().deadLetters(), listener);
+
+ final ActorRef subject = getSystem().actorOf(props, "testDataTreeChangedChanged");
+
+ subject.tell(new LeaderStateChanged("member-1", null, (short) 0), noSender());
+ verify(listener, timeout(5000)).onLeaderLocationChanged(eq(LeaderLocation.UNKNOWN));
+
+ subject.tell(new LeaderStateChanged("member-1", "member-1", (short) 0), noSender());
+ verify(listener, timeout(5000)).onLeaderLocationChanged(eq(LeaderLocation.LOCAL));
+
+ subject.tell(new LeaderStateChanged("member-1", "member-2", (short) 0), noSender());
+ verify(listener, timeout(5000)).onLeaderLocationChanged(eq(LeaderLocation.REMOTE));
+
+ }
+}
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