ExtensionPointHandlerTest.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.core.extension;

import org.junit.Test;
import org.pentaho.di.core.logging.LogChannelInterface;
import org.pentaho.di.core.plugins.PluginRegistry;

import static org.mockito.Mockito.*;

public class ExtensionPointHandlerTest {
  public static final String TEST_NAME = "testName";

  @Test
  public void callExtensionPointTest() throws Exception {
    PluginMockInterface pluginInterface = mock( PluginMockInterface.class );
    when( pluginInterface.getName() ).thenReturn( TEST_NAME );
    when( pluginInterface.getMainType() ).thenReturn( (Class) ExtensionPointInterface.class );
    when( pluginInterface.getIds() ).thenReturn( new String[] {"testID"} );

    ExtensionPointInterface extensionPoint = mock( ExtensionPointInterface.class );
    when( pluginInterface.loadClass( ExtensionPointInterface.class ) ).thenReturn( extensionPoint );

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

    final LogChannelInterface log = mock( LogChannelInterface.class );

    ExtensionPointHandler.callExtensionPoint( log, "noPoint", null );
    verify( extensionPoint, never() ).callExtensionPoint( any( LogChannelInterface.class ), any() );

    ExtensionPointHandler.callExtensionPoint( log, TEST_NAME, null );
    verify( extensionPoint, times( 1 ) ).callExtensionPoint( eq( log ), isNull() );
  }
}