SystemDataTest.java

/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * Licensed 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/

package org.pentaho.di.trans.steps.systemdata;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertFalse;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettleStepException;
import org.pentaho.di.core.logging.LoggingObjectInterface;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.StepDataInterface;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.steps.mock.StepMockHelper;

/**
 * User: Dzmitry Stsiapanau Date: 1/20/14 Time: 12:12 PM
 */
public class SystemDataTest {
  private class SystemDataHandler extends SystemData {

    Object[] row = new Object[] { "anyData" };
    Object[] outputRow;

    public SystemDataHandler( StepMeta stepMeta, StepDataInterface stepDataInterface, int copyNr, TransMeta transMeta,
      Trans trans ) {
      super( stepMeta, stepDataInterface, copyNr, transMeta, trans );
    }

    @SuppressWarnings( "unused" )
    public void setRow( Object[] row ) {
      this.row = row;
    }

    /**
     * In case of getRow, we receive data from previous steps through the input rowset. In case we split the stream, we
     * have to copy the data to the alternate splits: rowsets 1 through n.
     */
    @Override
    public Object[] getRow() throws KettleException {
      return row;
    }

    /**
     * putRow is used to copy a row, to the alternate rowset(s) This should get priority over everything else!
     * (synchronized) If distribute is true, a row is copied only once to the output rowsets, otherwise copies are sent
     * to each rowset!
     *
     * @param row
     *          The row to put to the destination rowset(s).
     * @throws org.pentaho.di.core.exception.KettleStepException
     *
     */
    @Override
    public void putRow( RowMetaInterface rowMeta, Object[] row ) throws KettleStepException {
      outputRow = row;
    }

    public Object[] getOutputRow() {
      return outputRow;
    }

  }

  private StepMockHelper<SystemDataMeta, SystemDataData> stepMockHelper;

  @Before
  public void setUp() throws Exception {
    stepMockHelper =
      new StepMockHelper<SystemDataMeta, SystemDataData>( "SYSTEM_DATA TEST", SystemDataMeta.class,
        SystemDataData.class );
    when( stepMockHelper.logChannelInterfaceFactory.create( any(), any( LoggingObjectInterface.class ) ) ).thenReturn(
      stepMockHelper.logChannelInterface );
    when( stepMockHelper.trans.isRunning() ).thenReturn( true );
    verify( stepMockHelper.trans, never() ).stopAll();
  }

  @After
  public void tearDown() throws Exception {

  }

  @Test
  public void testProcessRow() throws Exception {
    SystemDataData systemDataData = new SystemDataData();
    SystemDataMeta systemDataMeta = new SystemDataMeta();
    systemDataMeta.allocate( 2 );
    String[] names = systemDataMeta.getFieldName();
    SystemDataTypes[] types = systemDataMeta.getFieldType();
    names[0] = "hostname";
    names[1] = "hostname_real";
    types[0] = SystemDataMeta.getType( SystemDataMeta.getTypeDesc( SystemDataTypes.TYPE_SYSTEM_INFO_HOSTNAME ) );
    types[1] = SystemDataMeta.getType( SystemDataMeta.getTypeDesc( SystemDataTypes.TYPE_SYSTEM_INFO_HOSTNAME_REAL ) );
    SystemDataHandler systemData =
      new SystemDataHandler( stepMockHelper.stepMeta, stepMockHelper.stepDataInterface, 0, stepMockHelper.transMeta,
        stepMockHelper.trans );
    Object[] expectedRow = new Object[] { Const.getHostname(), Const.getHostnameReal() };
    RowMetaInterface inputRowMeta = mock( RowMetaInterface.class );
    when( inputRowMeta.clone() ).thenReturn( inputRowMeta );
    when( inputRowMeta.size() ).thenReturn( 2 );
    systemDataData.outputRowMeta = inputRowMeta;
    systemData.init( systemDataMeta, systemDataData );
    assertFalse( systemData.processRow( systemDataMeta, systemDataData ) );
    Object[] out = systemData.getOutputRow();
    assertArrayEquals( expectedRow, out );
  }
}