SpoonStepsDelegateTest.java

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 * Pentaho Data Integration
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 * 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
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package org.pentaho.di.ui.spoon.delegates;

import org.junit.Test;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.extension.ExtensionPointInterface;
import org.pentaho.di.core.extension.ExtensionPointPluginType;
import org.pentaho.di.core.extension.KettleExtensionPoint;
import org.pentaho.di.core.logging.LogChannelInterface;
import org.pentaho.di.core.plugins.ClassLoadingPluginInterface;
import org.pentaho.di.core.plugins.PluginInterface;
import org.pentaho.di.core.plugins.PluginRegistry;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.StepMeta;

import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doCallRealMethod;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class SpoonStepsDelegateTest {
  public interface PluginMockInterface extends ClassLoadingPluginInterface, PluginInterface {
  }
  @Test
  public void testDelStepsExtensionPointCancelDelete() throws Exception {
    PluginMockInterface pluginInterface = mock( PluginMockInterface.class );
    when( pluginInterface.getName() ).thenReturn( KettleExtensionPoint.TransBeforeDeleteSteps.id );
    when( pluginInterface.getMainType() ).thenReturn( (Class) ExtensionPointInterface.class );
    when( pluginInterface.getIds() ).thenReturn( new String[] { KettleExtensionPoint.TransBeforeDeleteSteps.id } );

    ExtensionPointInterface extensionPoint = mock( ExtensionPointInterface.class );
    when( pluginInterface.loadClass( ExtensionPointInterface.class ) ).thenReturn( extensionPoint );
    doThrow( KettleException.class ).when( extensionPoint )
        .callExtensionPoint( any( LogChannelInterface.class ), any( StepMeta[].class ) );

    PluginRegistry.addPluginType( ExtensionPointPluginType.getInstance() );
    PluginRegistry.getInstance().registerPlugin( ExtensionPointPluginType.class, pluginInterface );

    SpoonStepsDelegate delegate = mock( SpoonStepsDelegate.class );
    doCallRealMethod().when( delegate ).delSteps( any( TransMeta.class ), any( StepMeta[].class ) );

    TransMeta trans = mock( TransMeta.class );
    StepMeta[] steps = new StepMeta[] { mock( StepMeta.class ) };
    delegate.delSteps( trans, steps );

    verify( extensionPoint, times( 1 ) ).callExtensionPoint( any(), eq( steps ) );
  }
}