/*
    * 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 org.apache.hadoop.chukwa.dataloader;
  
  import junit.framework.TestCase;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.chukwa.ChunkImpl;
  import org.apache.hadoop.chukwa.Chunk;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.NoSuchElementException;
  import java.util.regex.Matcher;
  
  import org.apache.hadoop.chukwa.datacollection.collector.CaptureWriter;
  import org.apache.hadoop.chukwa.datacollection.writer.PipelineStageWriter;
  import org.apache.hadoop.chukwa.datacollection.writer.SocketTeeWriter;
  import org.apache.hadoop.chukwa.rest.bean.ClientTraceBean;
  
  import java.net.*;
  import java.io.*;
  
  public class TestSocketDataLoader  extends TestCase{
    public void testSocketTee() throws Exception {
      
      Configuration conf = new Configuration();  
      
      conf.set("chukwaCollector.pipeline",
          SocketTeeWriter.class.getCanonicalName());
      
      conf.set("chukwaCollector.writerClass", 
          PipelineStageWriter.class.getCanonicalName());
      
      PipelineStageWriter psw = new PipelineStageWriter();
      psw.init(conf);
  
      SocketDataLoader sdl = new SocketDataLoader("all");
      
      System.out.println("pipeline established; now pushing a chunk");
      ArrayList<Chunk> l = new ArrayList<Chunk>();
      l.add(new ChunkImpl("dt", "name", 1, new byte[] {'a'}, null));
      psw.add(l);
      //push a chunk through. SocketDataLoader should receive this chunk.
      
      try {
        Collection<Chunk> clist = sdl.read();
        for(Chunk c : clist) {
          if(c!=null && c.getData()!=null) {
            assertTrue("a".equals(new String(c.getData())));
          }
        }
      } catch(NoSuchElementException e) {
      }
    }
    
  }