package org.apache.onami.lifecycle.jsr250;
   
   /*
    * 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.
   */
  
  import com.google.inject.AbstractModule;
  import com.google.inject.CreationException;
  import com.google.inject.Provides;
  import org.apache.onami.lifecycle.core.DisposingStager;
  import org.apache.onami.lifecycle.core.StageHandler;
  import org.junit.Test;
  
  import javax.annotation.PreDestroy;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  
  import static com.google.inject.Guice.createInjector;
  import static org.junit.Assert.*;
  
  public final class PreDestroyModuleTestCase
  {
  
      @Test
      public void disposeUsingModuleOnInjectorFailure()
      {
          PreDestroyModule preDestroyModule = new PreDestroyModule();
          try
          {
              createInjector( preDestroyModule, new AbstractModule()
              {
  
                  @Override
                  protected void configure()
                  {
                      bind( ThrowingExceptionConstructor.class ).asEagerSingleton();
                  }
  
              } );
              fail( "Expected exception was not thrown" );
          }
          catch( CreationException e )
          {
              Throwable cause = e.getCause();
              assertTrue( cause instanceof IllegalArgumentException );
              assertEquals( "Expected exception", cause.getMessage() );
          }
          finally
          {
              preDestroyModule.getStager().stage( new StageHandler()
              {
  
                  @Override
                  public <I> void onSuccess( I injectee )
                  {
                      assertTrue( injectee instanceof DisposableObject );
                      assertTrue( ( (DisposableObject) injectee ).disposed );
                  }
  
                  @Override
                  public <I, E extends Throwable> void onError( I injectee, E error )
                  {
                      fail( error.toString() );
                  }
  
              } );
          }
      }
  
      @Test
      public void disposeUsingModuleWithProvidesMethodOnInjectorFailure()
      {
          PreDestroyModule preDestroyModule = new PreDestroyModule();
          try
          {
              createInjector( preDestroyModule, new AbstractModule()
              {
  
                  @Override
                  protected void configure()
                  {
                      bind( ThrowingExceptionConstructor2.class ).asEagerSingleton();
                  }
  
                 @Provides
                 public ExecutorService provideExecutorService( DisposingStager<PreDestroy> stager )
                 {
                     return stager.register( Executors.newCachedThreadPool() );
                 }
 
             } );
             fail( "Expected exception was not thrown" );
         }
         catch( CreationException e )
         {
             Throwable cause = e.getCause();
             assertTrue( cause instanceof IllegalArgumentException );
             assertEquals( "Expected exception", cause.getMessage() );
         }
         finally
         {
             preDestroyModule.getStager().stage( new StageHandler()
             {
 
                 @Override
                 public <I> void onSuccess( I injectee )
                 {
                     assertTrue( injectee instanceof ExecutorService );
                     assertTrue( ( (ExecutorService) injectee ).isShutdown() );
                 }
 
                 @Override
                 public <I, E extends Throwable> void onError( I injectee, E error )
                 {
                     fail( error.toString() );
                 }
 
             } );
         }
     }
 
 }