content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.ambari.server.events.publishers;
  
  import static org.easymock.EasyMock.createNiceMock;
  import static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.replay;
  import static org.easymock.EasyMock.verify;
  import static org.junit.Assert.assertEquals;
  
  import org.apache.ambari.server.events.HostComponentVersionAdvertisedEvent;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.ServiceComponentHost;
  import org.junit.Before;
  import org.junit.Test;
  
  import com.google.common.eventbus.Subscribe;
  import com.google.inject.Guice;
  import com.google.inject.Inject;
  import com.google.inject.Injector;
  
  /**
   * VersionEventPublisher tests.
   */
  public class VersionEventPublisherTest {
  
    private Injector injector;
  
    @Before
    public void setup() throws Exception {
      injector = Guice.createInjector();
    }
  
    @Test
    public void testPublish() throws Exception {
  
      Cluster cluster = createNiceMock(Cluster.class);
      ServiceComponentHost sch = createNiceMock(ServiceComponentHost.class);
  
      expect(cluster.getClusterId()).andReturn(99L);
  
      replay(cluster, sch);
  
      VersionEventPublisher publisher = injector.getInstance(VersionEventPublisher.class);
  
      Listener listener = injector.getInstance(Listener.class);
  
      HostComponentVersionAdvertisedEvent event = new HostComponentVersionAdvertisedEvent(cluster, sch, "1.2.3.4-5678");
  
      publisher.publish(event);
  
      assertEquals(event, listener.getLastEvent());
  
      verify(cluster, sch);
    }
  
    private static class Listener {
  
      private HostComponentVersionAdvertisedEvent lastEvent = null;
  
      @Inject
      private Listener(VersionEventPublisher eventPublisher) {
        eventPublisher.register(this);
      }
  
      @Subscribe
      public void onEvent(HostComponentVersionAdvertisedEvent event) {
        lastEvent = event;
      }
  
      public HostComponentVersionAdvertisedEvent getLastEvent() {
        return lastEvent;
      }
    }
  }
  