ModuleWalkerTest.java

/*
 * Copyright 2014 Bernd Vogt and others.
 * 
 * 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.sourcepit.b2.model.builder.util;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.emf.ecore.EObject;
import org.junit.Test;
import org.sourcepit.b2.model.module.AbstractModule;
import org.sourcepit.b2.model.module.BasicModule;
import org.sourcepit.b2.model.module.CompositeModule;
import org.sourcepit.b2.model.module.ModuleModelFactory;

public class ModuleWalkerTest {

   @Test
   public void test() {
      final ModuleModelFactory eFactory = ModuleModelFactory.eINSTANCE;

      BasicModule subModule1 = eFactory.createBasicModule();
      BasicModule subModule2 = eFactory.createBasicModule();

      CompositeModule compositeModule = eFactory.createCompositeModule();
      compositeModule.getModules().add(subModule1);
      compositeModule.getModules().add(subModule2);

      final List<AbstractModule> visitedModules = new ArrayList<AbstractModule>();

      new ModuleWalker() {
         @Override
         protected boolean doVisit(EObject eObject) {
            if (eObject instanceof AbstractModule) {
               visitedModules.add((AbstractModule) eObject);
            }
            return true;
         }
      }.walk(compositeModule);

      assertEquals(1, visitedModules.size());
      assertEquals(compositeModule, visitedModules.get(0));
   }

}