content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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 com.cloud.api.dispatch;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class DispatchChainFactoryTest {
  
      protected static final String STANDARD_CHAIN_ERROR = "Expecting worker of class %s at index %s of StandardChain";
      protected static final String ASYNC_CHAIN_ERROR = "Expecting worker of class %s at index %s of StandardChain";
  
      @Test
      public void testAllChainCreation() {
          // Prepare
          final DispatchChainFactory dispatchChainFactory = new DispatchChainFactory();
          dispatchChainFactory.paramGenericValidationWorker = new ParamGenericValidationWorker();
          dispatchChainFactory.specificCmdValidationWorker = new SpecificCmdValidationWorker();
          dispatchChainFactory.paramProcessWorker = new ParamProcessWorker();
          dispatchChainFactory.commandCreationWorker = new CommandCreationWorker();
          dispatchChainFactory.paramUnpackWorker = new ParamUnpackWorker();
  
          final Class<?>[] standardClasses = {ParamUnpackWorker.class, ParamProcessWorker.class,
                  ParamGenericValidationWorker.class, SpecificCmdValidationWorker.class};
          final Class<?>[] asyncClasses = {ParamUnpackWorker.class, ParamProcessWorker.class,
                  ParamGenericValidationWorker.class, SpecificCmdValidationWorker.class, CommandCreationWorker.class};
  
          // Execute
          dispatchChainFactory.setup();
          final DispatchChain standardChain = dispatchChainFactory.getStandardDispatchChain();
          final DispatchChain asyncChain = dispatchChainFactory.getAsyncCreationDispatchChain();
          for (int i = 0; i < standardClasses.length; i++) {
              assertEquals(String.format(STANDARD_CHAIN_ERROR, standardClasses[i], i),
                      standardClasses[i], standardChain.workers.get(i).getClass());
          }
          for (int i = 0; i < asyncClasses.length; i++) {
              assertEquals(String.format(ASYNC_CHAIN_ERROR, asyncClasses[i], i),
                      asyncClasses[i], asyncChain.workers.get(i).getClass());
          }
      }
  }
  