/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.data.jpa.eclipselink;
  
  import org.eclipse.persistence.exceptions.TransactionException;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.kuali.rice.core.framework.persistence.jta.Jta;
  import org.kuali.rice.krad.data.jpa.eclipselink.JtaTransactionController;
  import org.mockito.Mock;
  import org.mockito.runners.MockitoJUnitRunner;
  
  import javax.transaction.TransactionManager;
  import javax.transaction.UserTransaction;
  
  import static org.junit.Assert.*;
  
  /**
   * Tests the {@link JtaTransactionController}.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @RunWith(MockitoJUnitRunner.class)
  public class JtaTransactionControllerTest {
  
      @Mock private TransactionManager transactionManager;
      @Mock private UserTransaction userTransaction;
  
      /**
       * When JTA is disabled, attempts to invoke this method will trigger an IllegalStateException which the superclass
       * will wrap in a {@link TransactionException}.
       * @throws Exception
       */
      @Test
      public void testAcquireTransactionManager_JtaDisabled() throws Exception {
          assertFalse(Jta.isEnabled());
          try {
              new JtaTransactionController();
              fail("A TransactionException should have been thrown");
          } catch (TransactionException e) {
              assertEquals(TransactionException.ERROR_OBTAINING_TRANSACTION_MANAGER, e.getErrorCode());
              assertEquals(IllegalStateException.class, e.getInternalException().getClass());
          }
      }
  
      @Test
      public void testAcquireTransactionManager() throws Exception {
          Jta.configure(transactionManager, userTransaction);
          try {
              assertTrue(Jta.isEnabled());
              JtaTransactionController controller = new JtaTransactionController();
              assertEquals(transactionManager, controller.acquireTransactionManager());
          } finally {
              Jta.reset();
          }
      }
  
  
  }