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   *  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
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   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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  package org.apache.causeway.testdomain.transactions.jdo;
  
  import jakarta.inject.Inject;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.test.context.TestPropertySource;
  
  import org.apache.causeway.applib.services.repository.RepositoryService;
  import org.apache.causeway.applib.services.xactn.TransactionService;
  import org.apache.causeway.commons.internal.exceptions._Exceptions;
  import org.apache.causeway.core.config.presets.CausewayPresets;
  import org.apache.causeway.testdomain.fixtures.EntityTestFixtures;
  import org.apache.causeway.testdomain.jdo.JdoTestFixtures;
  import org.apache.causeway.testdomain.jdo.conf.Configuration_usingJdo;
  import org.apache.causeway.testdomain.jdo.entities.JdoBook;
  
  @SpringBootTest(
          classes = {
                  Configuration_usingJdo.class,
          },
          properties = {
                  "spring.datasource.url=jdbc:h2:mem:JdoTransactionRollbackTest_usingTransactionService"
          })
  @TestPropertySource(CausewayPresets.UseLog4j2Test)
  class JdoTransactionRollbackTest_usingTransactionService {
  
      @Inject private JdoTestFixtures jdoTestFixtures;
      @Inject private TransactionService transactionService;
      @Inject private RepositoryService repository;
  
      private EntityTestFixtures.Lock lock;
  
      @BeforeEach
      void setUp() {
          // clear repository
          lock = jdoTestFixtures.aquireLockAndClear();
      }
  
      @AfterEach
      void cleanUp() {
          lock.release();
      }
  
      @Test
      void happyCaseTx_shouldCommit() {
  
          transactionService.runWithinCurrentTransactionElseCreateNew(()->{
              // expected pre condition
              assertEquals(0, repository.allInstances(JdoBook.class).size());
  
              lock.install();
  
              // expected post condition
              assertEquals(1, repository.allInstances(JdoBook.class).size());
          });
  
      }
  
      @Test
      void whenExceptionWithinTx_shouldRollback() {
  
          transactionService.runWithinCurrentTransactionElseCreateNew(()->{
              // expected pre condition
              assertEquals(0, repository.allInstances(JdoBook.class).size());
          });
  
          var result = transactionService.runWithinCurrentTransactionElseCreateNew(()->{
              //fixtureScripts.runPersona(JdoTestDomainPersona.InventoryWith1Book);
              lock.install();
              throw _Exceptions.unrecoverable("Test: force current tx to rollback");
          });
  
          assertTrue(result.isFailure());
  
          transactionService.runWithinCurrentTransactionElseCreateNew(()->{
              // expected post condition
              assertEquals(0, repository.allInstances(JdoBook.class).size());
          });
  
      }
  
  }
  