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  package org.apache.cayenne.access.translator.batch;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.cayenne.dba.DbAdapter;
  import org.apache.cayenne.dba.JdbcAdapter;
  import org.apache.cayenne.di.AdhocObjectFactory;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.map.DbAttribute;
  import org.apache.cayenne.map.DbEntity;
  import org.apache.cayenne.query.DeleteBatchQuery;
  import org.apache.cayenne.runtime.CayenneRuntime;
  import org.apache.cayenne.testdo.locking.SimpleLockingTestEntity;
  import org.apache.cayenne.unit.UnitDbAdapter;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertSame;
  import static org.mockito.Mockito.mock;
  
  @UseCayenneRuntime(CayenneProjects.LOCKING_PROJECT)
  public class DeleteBatchTranslatorIT extends RuntimeCase {
  
      @Inject
      private CayenneRuntime runtime;
  
      @Inject
      private DbAdapter adapter;
  
      @Inject
      private UnitDbAdapter unitAdapter;
  
      @Inject
      private AdhocObjectFactory objectFactory;
  
      @Test
      public void testConstructor() {
          DbAdapter adapter = objectFactory.newInstance(DbAdapter.class, JdbcAdapter.class.getName());
  
          DeleteBatchQuery query = mock(DeleteBatchQuery.class);
          DeleteBatchTranslator builder = new DeleteBatchTranslator(query, adapter);
  
          assertSame(adapter, builder.context.getAdapter());
          assertSame(query, builder.context.getQuery());
      }
  
      @Test
      public void testCreateSqlString() {
          DbEntity entity = runtime.getDataDomain().getEntityResolver().getObjEntity(SimpleLockingTestEntity.class)
                  .getDbEntity();
  
          List<DbAttribute> idAttributes = Collections.singletonList(entity.getAttribute("LOCKING_TEST_ID"));
  
          DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, Collections.emptySet(), 1);
  
          DbAdapter adapter = objectFactory.newInstance(DbAdapter.class, JdbcAdapter.class.getName());
          DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter);
          String generatedSql = builder.getSql();
          assertNotNull(generatedSql);
          assertEquals("DELETE FROM " + entity.getName() + " WHERE LOCKING_TEST_ID = ?", generatedSql);
      }
  
      @Test
      public void testCreateSqlStringWithNulls() {
          DbEntity entity = runtime.getDataDomain().getEntityResolver().getObjEntity(SimpleLockingTestEntity.class)
                  .getDbEntity();
  
          List<DbAttribute> idAttributes = Arrays.asList(entity.getAttribute("LOCKING_TEST_ID"),
                  entity.getAttribute("NAME"));
  
          Collection<String> nullAttributes = Collections.singleton("NAME");
  
          DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, nullAttributes, 1);
  
          DbAdapter adapter = objectFactory.newInstance(DbAdapter.class, JdbcAdapter.class.getName());
          DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter);
          String generatedSql = builder.getSql();
          assertNotNull(generatedSql);
          assertEquals("DELETE FROM " + entity.getName() + " WHERE ( LOCKING_TEST_ID = ? ) AND ( NAME IS NULL )", generatedSql);
      }
  
      @Test
      public void testCreateSqlStringWithIdentifiersQuote() {
          DbEntity entity = runtime.getDataDomain().getEntityResolver().getObjEntity(SimpleLockingTestEntity.class)
                  .getDbEntity();
          try {
  
              entity.getDataMap().setQuotingSQLIdentifiers(true);
              List<DbAttribute> idAttributes = Collections.singletonList(entity.getAttribute("LOCKING_TEST_ID"));
  
              DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, Collections.emptySet(), 1);
              JdbcAdapter adapter = (JdbcAdapter) this.adapter;
              DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter);
              String generatedSql = builder.getSql();
  
              String charStart = unitAdapter.getIdentifiersStartQuote();
              String charEnd = unitAdapter.getIdentifiersEndQuote();
  
              assertNotNull(generatedSql);
              assertEquals("DELETE FROM " + charStart + entity.getName() + charEnd + " WHERE " + charStart
                      + "LOCKING_TEST_ID" + charEnd + " = ?", generatedSql);
          } finally {
              entity.getDataMap().setQuotingSQLIdentifiers(false);
          }
  
      }
  
      @Test
      public void testCreateSqlStringWithNullsWithIdentifiersQuote() {
          DbEntity entity = runtime.getDataDomain().getEntityResolver().getObjEntity(SimpleLockingTestEntity.class)
                  .getDbEntity();
          try {
  
              entity.getDataMap().setQuotingSQLIdentifiers(true);
  
              List<DbAttribute> idAttributes = Arrays.asList(entity.getAttribute("LOCKING_TEST_ID"),
                      entity.getAttribute("NAME"));
  
              Collection<String> nullAttributes = Collections.singleton("NAME");
  
              DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, nullAttributes, 1);
  
              JdbcAdapter adapter = (JdbcAdapter) this.adapter;
  
              DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter);
              String generatedSql = builder.getSql();
  
              String charStart = unitAdapter.getIdentifiersStartQuote();
              String charEnd = unitAdapter.getIdentifiersEndQuote();
              assertNotNull(generatedSql);
  
              assertEquals("DELETE FROM " + charStart + entity.getName() + charEnd + " WHERE ( " + charStart
                      + "LOCKING_TEST_ID" + charEnd + " = ? ) AND ( " + charStart + "NAME" + charEnd + " IS NULL )",
                      generatedSql);
          } finally {
              entity.getDataMap().setQuotingSQLIdentifiers(false);
          }
      }
  }
  