DeleteMetaTest.java

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 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
 *
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 *
 * 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
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package org.pentaho.di.trans.steps.delete;

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.plugins.PluginRegistry;
import org.pentaho.di.core.plugins.StepPluginType;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.step.StepMetaInterface;
import org.pentaho.di.trans.steps.loadsave.LoadSaveTester;
import org.pentaho.di.trans.steps.loadsave.initializer.InitializerInterface;
import org.pentaho.di.trans.steps.loadsave.validator.ArrayLoadSaveValidator;
import org.pentaho.di.trans.steps.loadsave.validator.DatabaseMetaLoadSaveValidator;
import org.pentaho.di.trans.steps.loadsave.validator.FieldLoadSaveValidator;
import org.pentaho.di.trans.steps.loadsave.validator.StringLoadSaveValidator;


public class DeleteMetaTest implements InitializerInterface<StepMetaInterface> {
  LoadSaveTester loadSaveTester;
  Class<DeleteMeta> testMetaClass = DeleteMeta.class;

  @Before
  public void setUpLoadSave() throws Exception {
    KettleEnvironment.init();
    PluginRegistry.init( true );
    List<String> attributes =
        Arrays.asList( "schemaName", "tableName", "commitSize", "databaseMeta", "keyStream", "keyLookup", "keyCondition", "keyStream2" );

    Map<String, String> getterMap = new HashMap<String, String>();
    Map<String, String> setterMap = new HashMap<String, String>();
    FieldLoadSaveValidator<String[]> stringArrayLoadSaveValidator =
        new ArrayLoadSaveValidator<String>( new StringLoadSaveValidator(), 5 );

    Map<String, FieldLoadSaveValidator<?>> attrValidatorMap = new HashMap<String, FieldLoadSaveValidator<?>>();
    attrValidatorMap.put( "keyStream", stringArrayLoadSaveValidator );
    attrValidatorMap.put( "keyLookup", stringArrayLoadSaveValidator );
    attrValidatorMap.put( "keyCondition", stringArrayLoadSaveValidator );
    attrValidatorMap.put( "keyStream2", stringArrayLoadSaveValidator );
    attrValidatorMap.put( "databaseMeta", new DatabaseMetaLoadSaveValidator() );

    Map<String, FieldLoadSaveValidator<?>> typeValidatorMap = new HashMap<String, FieldLoadSaveValidator<?>>();

    loadSaveTester =
        new LoadSaveTester( testMetaClass, attributes, new ArrayList<String>(), new ArrayList<String>(),
            getterMap, setterMap, attrValidatorMap, typeValidatorMap, this );
  }

  // Call the allocate method on the LoadSaveTester meta class
  @Override
  public void modify( StepMetaInterface someMeta ) {
    if ( someMeta instanceof DeleteMeta ) {
      ( (DeleteMeta) someMeta ).allocate( 5 );
    }
  }

  @Test
  public void testSerialization() throws KettleException {
    loadSaveTester.testSerialization();
  }


  private StepMeta stepMeta;
  private Delete del;
  private DeleteData dd;
  private DeleteMeta dmi;


  @BeforeClass
  public static void initEnvironment() throws Exception {
    KettleEnvironment.init();
  }

  @Before
  public void setUp() {
    TransMeta transMeta = new TransMeta();
    transMeta.setName( "delete1" );

    Map<String, String> vars = new HashMap<String, String>();
    vars.put( "max.sz", "10" );
    transMeta.injectVariables( vars );

    dmi = new DeleteMeta();
    dd = new DeleteData();

    PluginRegistry plugReg = PluginRegistry.getInstance();
    String deletePid = plugReg.getPluginId( StepPluginType.class, dmi );

    stepMeta = new StepMeta( deletePid, "delete", dmi );
    Trans trans = new Trans( transMeta );
    transMeta.addStep( stepMeta );
    del = new Delete( stepMeta, dd, 1, transMeta, trans );
    del.copyVariablesFrom( transMeta );
  }

  @Test
  public void testCommitCountFixed() {
    dmi.setCommitSize( "100" );
    assertTrue( dmi.getCommitSize( del ) == 100 );
  }

  @Test
  public void testCommitCountVar() {
    dmi.setCommitSize( "${max.sz}" );
    assertTrue( dmi.getCommitSize( del ) == 10 );
  }

  @Test
  public void testCommitCountMissedVar() {
    dmi.setCommitSize( "missed-var" );
    try {
      dmi.getCommitSize( del );
      fail();
    } catch ( Exception ex ) {
    }
  }
}