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   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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   *        http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.causeway.core.runtimeservices.recognizer.dae;
  
  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.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.springframework.dao.CannotAcquireLockException;
  import org.springframework.dao.DataAccessException;
  import org.springframework.dao.DuplicateKeyException;
  import org.springframework.dao.EmptyResultDataAccessException;
  import org.springframework.dao.NonTransientDataAccessResourceException;
  import org.springframework.dao.RecoverableDataAccessException;
  import org.springframework.dao.TransientDataAccessResourceException;
  
  import org.apache.causeway.applib.services.exceprecog.Category;
  import org.apache.causeway.core.config.CausewayConfiguration;
  
  class ExceptionRecognizerForDataAccessExceptionTest {
  
      private ExceptionRecognizerForDataAccessException recognizerForDae;
  
      @BeforeEach
      public void setUp() {
          var conf = CausewayConfiguration.builder().build();
          recognizerForDae = new ExceptionRecognizerForDataAccessException(conf);
      }
  
      @Test
      void migrationWarning() {
          System.err.printf(
                  "%s - TODO: No tests yet for whether we can recognize Spring's various org.springframework.dao.DataAccessException(s)",
                  this.getClass().getName());
      }
  
      @Test
      void daeToCategoryMapping() {
          // testing just a subset here ...
          assertCategory(Category.SERVER_ERROR, new NonTransientDataAccessResourceException("msg"));
          assertCategory(Category.RETRYABLE, new TransientDataAccessResourceException("msg"));
          assertCategory(Category.RETRYABLE, new RecoverableDataAccessException("msg"));
          assertCategory(Category.NOT_FOUND, new EmptyResultDataAccessException("msg", 99));
          assertCategory(Category.CONSTRAINT_VIOLATION, new DuplicateKeyException("msg"));
          assertCategory(Category.CONCURRENCY, new CannotAcquireLockException("msg"));
      }
  
      // -- HELPER
  
      void assertCategory(
              Category category,
              DataAccessException dae) {
  
          var recognized = recognizerForDae.recognize(dae).orElse(null);
          assertNotNull(recognized);
          assertNotNull(recognized.reason());
          assertTrue(recognized.reason().length()>10);
          assertEquals(category, recognized.category());
      }
  
  }
  