/*
    * 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.eclipse.aether.internal.impl;
  
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.Method;
  import java.lang.reflect.Proxy;
  import java.util.Locale;
  
  import org.eclipse.aether.DefaultRepositorySystemSession;
  import org.eclipse.aether.RepositoryEvent;
  import org.eclipse.aether.RepositoryListener;
  import org.eclipse.aether.internal.test.util.TestUtils;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  /**
   */
  public class DefaultRepositoryEventDispatcherTest {
  
      @Test
      public void testDispatchHandlesAllEventTypes() {
          DefaultRepositoryEventDispatcher dispatcher = new DefaultRepositoryEventDispatcher();
  
          ListenerHandler handler = new ListenerHandler();
  
          RepositoryListener listener = (RepositoryListener)
                  Proxy.newProxyInstance(getClass().getClassLoader(), new Class<?>[] {RepositoryListener.class}, handler);
  
          DefaultRepositorySystemSession session = TestUtils.newSession();
          session.setRepositoryListener(listener);
  
          for (RepositoryEvent.EventType type : RepositoryEvent.EventType.values()) {
              RepositoryEvent event = new RepositoryEvent.Builder(session, type).build();
  
              handler.methodName = null;
  
              dispatcher.dispatch(event);
  
              assertNotNull("not handled: " + type, handler.methodName);
  
              assertEquals(
                      "badly handled: " + type,
                      type.name().replace("_", "").toLowerCase(Locale.ENGLISH),
                      handler.methodName.toLowerCase(Locale.ENGLISH));
          }
      }
  
      static class ListenerHandler implements InvocationHandler {
  
          public String methodName;
  
          public Object invoke(Object proxy, Method method, Object[] args) {
              if (args.length == 1 && args[0] instanceof RepositoryEvent) {
                  methodName = method.getName();
              }
  
              return null;
          }
      }
  }