content: package act.event;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * Licensed 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.
   * #L%
   */
  
  import act.ActTestBase;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  import static org.mockito.Mockito.*;
  
  public class EventBusTest extends ActTestBase {
  
      private EventBus eventBus;
  
      @Before
      public void prepare() throws Exception {
          super.setup();
          eventBus = new EventBus(mockApp);
      }
  
      @Test
      public void listenerWithDifferentIdShallBeAddedOnlyAsManyTimesAsBound() throws Exception {
          ActEventListener<MyEmbeddedEvent> l1 = mock(ActEventListener.class);
          when(l1.id()).thenReturn("l1");
          ActEventListener<MyEmbeddedEvent> l2 = mock(ActEventListener.class);
          when(l1.id()).thenReturn("l2");
          eventBus.bind(MyEmbeddedEvent.class, l1);
          eventBus.bind(MyEmbeddedEvent.class, l2);
          MyEmbeddedEvent e = new MyEmbeddedEvent(this);
          eventBus.emit(e);
          verify(l1).on(e);
          verify(l1).on(e);
      }
  
      @Test
      public void listenerWithSameIdShallBeAddedOnlyOnce() throws Exception {
          ActEventListener<MyEmbeddedEvent> l1 = mock(ActEventListener.class);
          when(l1.id()).thenReturn("l");
          ActEventListener<MyEmbeddedEvent> l2 = mock(ActEventListener.class);
          when(l1.id()).thenReturn("l");
          eventBus.bind(MyEmbeddedEvent.class, l1);
          eventBus.bind(MyEmbeddedEvent.class, l2);
          MyEmbeddedEvent e = new MyEmbeddedEvent(this);
          eventBus.emit(e);
          verify(l1).on(e);
          verify(l1).on(e);
      }
  
      @Test
      public void itShallAllowUsingEmbeddedClassAsEventType() throws Exception {
          ActEventListener<MyEmbeddedEvent> l = mock(ActEventListener.class);
          eventBus.bind(MyEmbeddedEvent.class, l);
          eventBus.emit(new MyEmbeddedEvent(this));
          verify(l).on(Mockito.any(MyEmbeddedEvent.class));
      }
  
  
      public static class MyEmbeddedEvent extends ActEvent<EventBusTest> {
          public MyEmbeddedEvent(EventBusTest source) {
              super(source);
          }
      }
  }
  