/*
 * This program is free software; you can redistribute it and/or modify it under the
 *  terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 *  Foundation.
 *
 *  You should have received a copy of the GNU Lesser General Public License along with this
 *  program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  or from the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  Copyright (c) 2006 - 2015 Pentaho Corporation..  All rights reserved.
 */
package org.pentaho.reporting.engine.classic.extensions.datasources.kettle.writer;

import static org.mockito.Mockito.*;

import java.io.IOException;

import org.junit.Before;
import org.junit.Test;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.ParameterMapping;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.writer.BundleWriterException;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.FormulaArgument;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.FormulaParameter;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleDataFactoryModule;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleTransFromRepositoryProducer;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleTransformationProducer;
import org.pentaho.reporting.libraries.docbundle.WriteableDocumentBundle;
import org.pentaho.reporting.libraries.xmlns.common.AttributeList;
import org.pentaho.reporting.libraries.xmlns.writer.XmlWriter;

public class RepositoryTransformationProducerWriteHandlerTest {

  private RepositoryTransformationProducerWriteHandler handler;

  @Before
  public void before() throws Exception {
    ClassicEngineBoot.getInstance().start();
    handler = new RepositoryTransformationProducerWriteHandler();
  }

  @Test( expected = BundleWriterException.class )
  public void writeKettleRepositoryProducer_exception_on_wrong_producer_type() throws IOException,
    BundleWriterException {
    KettleTransformationProducer producer = mock( KettleTransformationProducer.class );
    handler.writeKettleRepositoryProducer( mock( WriteableDocumentBundle.class ), "TEST_FILE_NAME",
        mock( XmlWriter.class ), "TEST_QUERY_NAME", producer );
  }

  @Test
  public void writeKettleRepositoryProducer() throws IOException, BundleWriterException {
    KettleTransFromRepositoryProducer producer = mock( KettleTransFromRepositoryProducer.class );
    when( producer.getDefinedArgumentNames() ).thenReturn( new String[] {} );
    when( producer.getDefinedVariableNames() ).thenReturn( new ParameterMapping[] {} );
    XmlWriter xmlWriter = mock( XmlWriter.class );
    handler.writeKettleRepositoryProducer( mock( WriteableDocumentBundle.class ), "TEST_FILE_NAME", xmlWriter,
        "TEST_QUERY_NAME", producer );
    verify( xmlWriter ).writeTag( eq( KettleDataFactoryModule.NAMESPACE ), eq( "query-repository" ),
        any( AttributeList.class ), eq( XmlWriter.CLOSE ) );
  }

  @Test
  public void writeKettleRepositoryProducer_with_non_empty_params() throws IOException, BundleWriterException {
    KettleTransFromRepositoryProducer producer = mock( KettleTransFromRepositoryProducer.class );
    when( producer.getDefinedArgumentNames() ).thenReturn( new String[] { "TEST_PARAM" } );
    when( producer.getDefinedVariableNames() ).thenReturn( new ParameterMapping[] {} );
    when( producer.getArguments() ).thenReturn( new FormulaArgument[] {} );
    when( producer.getParameter() ).thenReturn( new FormulaParameter[] {} );
    XmlWriter xmlWriter = mock( XmlWriter.class );
    handler.writeKettleRepositoryProducer( mock( WriteableDocumentBundle.class ), "TEST_FILE_NAME", xmlWriter,
        "TEST_QUERY_NAME", producer );
    verify( xmlWriter ).writeTag( eq( KettleDataFactoryModule.NAMESPACE ), eq( "query-repository" ),
        any( AttributeList.class ), eq( XmlWriter.OPEN ) );
    verify( xmlWriter ).writeCloseTag();
  }

}