/*
    * Copyright 2008 the original author or authors.
    * 
    * 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.openehealth.ipf.platform.camel.core.adapter;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.impl.DefaultCamelContext;
  import org.apache.camel.impl.DefaultExchange;
  import org.apache.camel.processor.aggregate.AggregationStrategy;
  import org.junit.Test;
  import org.openehealth.ipf.platform.camel.core.support.transform.min.TestAggregator;
  
  import static org.apache.camel.builder.Builder.outBody;
  import static org.junit.Assert.assertEquals;
  
  /**
   * @author Martin Krasser
   */
  public class AggregatorAdapterTest {
  
      private AggregationStrategy strategy;
  
      @Test
      public void testAggregateDefault() {
          strategy = new AggregatorAdapter(new TestAggregator());
          Exchange a = exchangeWithInBody("a");
          Exchange b = exchangeWithInBody("b");
          strategy.aggregate(a, b);
          assertEquals("a:b", a.getIn().getBody());
      }
      
      @Test
      public void testAggregateCustom() {
          strategy = new AggregatorAdapter(new TestAggregator()).aggregationInput(outBody());
          Exchange a = exchangeWithInBody("a");
          Exchange b = exchangeWithOutBody("b");
          strategy.aggregate(a, b);
          assertEquals("a:b", a.getIn().getBody());
      }
      
      private static Exchange exchangeWithInBody(Object body) {
          Exchange exchange = exchange();
          exchange.getIn().setBody(body);
          return exchange;
      }
      
      private static Exchange exchangeWithOutBody(Object body) {
          Exchange exchange = exchange();
          exchange.getOut().setBody(body);
          return exchange;
      }
      
      private static Exchange exchange() {
          return new DefaultExchange(new DefaultCamelContext());
      }
  }