package org.apache.onami.persist;
   
   /*
    * 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 org.junit.Before;
  import org.junit.Test;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.CoreMatchers.sameInstance;
  import static org.junit.Assert.assertThat;
  import static org.junit.Assert.fail;
  
  /**
   * Test for {@link AggregatedException}.
   */
  public class AggregatedExceptionTest
  {
      private AggregatedException.Builder sut;
  
      @Before
      public void setUp()
          throws Exception
      {
          sut = new AggregatedException.Builder();
      }
  
      @Test
      public void shouldNotThrowAnythingWhenEmpty()
      {
          sut.throwRuntimeExceptionIfHasCauses( "test msg" );
      }
  
      @Test
      public void shouldThrowAggregatedExceptionWithAllCollectedExceptions()
      {
          final Exception e0 = new Exception();
          final Exception e1 = new Exception();
  
          try
          {
              sut.add( e0 );
              sut.add( e1 );
              sut.throwRuntimeExceptionIfHasCauses( "test msg" );
          }
  
          catch ( AggregatedException e )
          {
              assertThat( e.getNumCauses(), is( 2 ) );
              assertThat( e.getCauses()[0], sameInstance( (Throwable) e0 ) );
              assertThat( e.getCauses()[1], sameInstance( (Throwable) e1 ) );
              return;
          }
  
          fail( "must throw AggregatedException" );
      }
  
      @Test
      public void shouldThrowOriginalExceptionWhenOnlyOne()
      {
          Exception e0 = new RuntimeException(  );
  
          try
          {
              sut.add( e0 );
              sut.throwRuntimeExceptionIfHasCauses( "test msg" );
          }
  
          catch ( RuntimeException e )
          {
              assertThat( e, sameInstance( (Throwable) e0 ) );
              return;
          }
  
          fail( "must throw RuntimeException" );
      }
  
  }