TransformationHasNoDisabledHopsImportRuleTest.java

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 * Pentaho Data Integration
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 * Copyright (C) 2002-2013 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
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.pentaho.di.imp.rule;

import java.util.List;

import junit.framework.TestCase;

import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.plugins.ImportRulePluginType;
import org.pentaho.di.core.plugins.PluginInterface;
import org.pentaho.di.core.plugins.PluginRegistry;
import org.pentaho.di.imp.rules.TransformationHasNoDisabledHopsImportRule;
import org.pentaho.di.trans.TransHopMeta;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.steps.dummytrans.DummyTransMeta;

public class TransformationHasNoDisabledHopsImportRuleTest extends TestCase {

  @Override
  protected void setUp() throws Exception {
    KettleEnvironment.init();
  }

  public void testRule() throws Exception {

    // Create a transformation to test.
    //
    TransMeta transMeta = new TransMeta();

    // Add 3 dummy steps connected with hops.
    //
    StepMeta lastStep = null;
    for ( int i = 0; i < 3; i++ ) {
      DummyTransMeta dummyTransMeta = new DummyTransMeta();
      StepMeta stepMeta = new StepMeta( "dummy" + ( i + 1 ), dummyTransMeta );
      stepMeta.setLocation( 50 + i * 50, 50 );
      stepMeta.setDraw( true );
      transMeta.addStep( stepMeta );
      if ( lastStep != null ) {
        TransHopMeta hop = new TransHopMeta( lastStep, stepMeta );
        transMeta.addTransHop( hop );
      }
      lastStep = stepMeta;
    }

    // Load the plugin to test from the registry.
    //
    PluginRegistry registry = PluginRegistry.getInstance();
    PluginInterface plugin =
      registry.findPluginWithId( ImportRulePluginType.class, "TransformationHasNoDisabledHops" );
    assertNotNull(
      "The 'transformation has no disabled hops' rule could not be found in the plugin registry!", plugin );

    TransformationHasNoDisabledHopsImportRule rule =
      (TransformationHasNoDisabledHopsImportRule) registry.loadClass( plugin );
    assertNotNull(
      "The 'transformation has no disabled hops' class could not be loaded by the plugin registry!", plugin );

    rule.setEnabled( true );

    List<ImportValidationFeedback> feedback = rule.verifyRule( transMeta );
    assertTrue( "We didn't get any feedback from the 'transformation has no disabled hops'", !feedback.isEmpty() );
    assertTrue(
      "An approval ruling was expected",
      feedback.get( 0 ).getResultType() == ImportValidationResultType.APPROVAL );

    transMeta.getTransHop( 0 ).setEnabled( false );

    feedback = rule.verifyRule( transMeta );
    assertTrue( "We didn't get any feedback from the 'transformation has no disabled hops'", !feedback.isEmpty() );
    assertTrue(
      "An error ruling was expected", feedback.get( 0 ).getResultType() == ImportValidationResultType.ERROR );

    rule.setEnabled( false );

    feedback = rule.verifyRule( transMeta );
    assertTrue(
      "We didn't expect any feedback from the 'transformation has no disabled hops' while disabled", feedback
        .isEmpty() );

  }
}