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 de.bechte.junit.runners.context.HierarchicalContextRunner;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  import javax.persistence.EntityManager;
  import javax.persistence.EntityTransaction;
  
  import static org.mockito.Mockito.doReturn;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.never;
  import static org.mockito.Mockito.verify;
  
  /**
   * Test for {@link ResourceLocalTransactionFacadeFactory}.
   */
  @RunWith( HierarchicalContextRunner.class )
  public class ResourceLocalTransactionFacadeProviderTest
  {
  
      private ResourceLocalTransactionFacadeFactory sut;
  
      private EntityManagerProvider emProvider;
  
      private EntityManager em;
  
      private EntityTransaction txn;
  
      @Before
      public void setUp()
      {
          // input
          emProvider = mock( EntityManagerProvider.class );
  
          // subject under test
          sut = new ResourceLocalTransactionFacadeFactory( emProvider );
  
          // environment
          em = mock( EntityManager.class );
          doReturn( em ).when( emProvider ).get();
  
          txn = mock( EntityTransaction.class );
          doReturn( txn ).when( em ).getTransaction();
      }
  
      public class InnerTransactionTest
      {
  
          private TransactionFacade sut;
  
          @Before
          public void setUp()
          {
              doReturn( true ).when( txn ).isActive();
              sut = ResourceLocalTransactionFacadeProviderTest.this.sut.createTransactionFacade();
          }
  
          @Test
          public void beginShouldDoNothing()
          {
              sut.begin();
  
              verify( txn, never() ).begin();
          }
  
          @Test
          public void commitShouldDoNothing()
          {
              sut.commit();
  
              verify( txn, never() ).commit();
          }
  
          @Test
          public void rollbackShouldSetRollbackOnlyFlag()
          {
              sut.rollback();
  
             verify( txn ).setRollbackOnly();
         }
     }
 
     public class OuterTransactionTest
     {
 
         private TransactionFacade sut;
 
         @Before
         public void setUp()
         {
             doReturn( false ).when( txn ).isActive();
             sut = ResourceLocalTransactionFacadeProviderTest.this.sut.createTransactionFacade();
         }
 
         @Test
         public void beginShouldBeginTransaction()
         {
             sut.begin();
 
             verify( txn ).begin();
         }
 
         @Test
         public void commitShouldCommitTransaction()
         {
             sut.commit();
 
             verify( txn ).commit();
         }
 
         @Test
         public void commitShouldRollbackTransactionIfMarkedAsRollbackOnly()
         {
             doReturn( true ).when( txn ).getRollbackOnly();
 
             sut.commit();
 
             verify( txn ).rollback();
         }
 
         @Test
         public void rollbackShouldRollbackTransaction()
         {
             sut.rollback();
 
             verify( txn ).rollback();
         }
     }
 
 }