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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access.translator.batch;

import org.apache.cayenne.configuration.server.ServerRuntime;
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.testdo.locking.SimpleLockingTestEntity;
import org.apache.cayenne.unit.UnitDbAdapter;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.mock;

@UseServerRuntime(CayenneProjects.LOCKING_PROJECT)
public class DeleteBatchTranslatorIT extends ServerCase {

    @Inject
    private ServerRuntime runtime;

    @Inject
    private DbAdapter adapter;

    @Inject
    private UnitDbAdapter unitAdapter;

    @Inject
    private AdhocObjectFactory objectFactory;

    @Test
    public void testConstructor() throws Exception {
        DbAdapter adapter = objectFactory.newInstance(DbAdapter.class, JdbcAdapter.class.getName());

        DeleteBatchTranslator builder = new DeleteBatchTranslator(mock(DeleteBatchQuery.class), adapter, null);

        assertSame(adapter, builder.adapter);
    }

    @Test
    public void testCreateSqlString() throws Exception {
        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.<String> emptySet(), 1);

        DbAdapter adapter = objectFactory.newInstance(DbAdapter.class, JdbcAdapter.class.getName());
        DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter, null);
        String generatedSql = builder.getSql();
        assertNotNull(generatedSql);
        assertEquals("DELETE FROM " + entity.getName() + " WHERE LOCKING_TEST_ID = ?", generatedSql);
    }

    @Test
    public void testCreateSqlStringWithNulls() throws Exception {
        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, null);
        String generatedSql = builder.getSql();
        assertNotNull(generatedSql);
        assertEquals("DELETE FROM " + entity.getName() + " WHERE LOCKING_TEST_ID = ? AND NAME IS NULL", generatedSql);
    }

    @Test
    public void testCreateSqlStringWithIdentifiersQuote() throws Exception {
        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.<String> emptySet(), 1);
            JdbcAdapter adapter = (JdbcAdapter) this.adapter;
            DeleteBatchTranslator builder = new DeleteBatchTranslator(deleteQuery, adapter, null);
            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() throws Exception {
        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, null);
            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);
        }
    }
}