contrib/src/test/java/com/datatorrent/contrib/testhelper/MessageQueueTestHelper.java

package com.datatorrent.contrib.testhelper;

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

import org.junit.Assert;

public class MessageQueueTestHelper {

  public static void validateResults(int testNum, HashMap<String, List<?>> collections )
  {
    ArrayList<byte[]> byteList =(ArrayList<byte[]>) collections.get("collector");
    Assert.assertEquals("emitted value for testNum was ", testNum * 3, byteList.size());
    for (int i = 0; i < byteList.size(); i++) {
      String str = new String(byteList.get(i));
      int eq = str.indexOf('=');
      String key = str.substring(1, eq);
      Integer value = Integer.parseInt(str.substring(eq + 1, str.length() - 1));
      if (key.equals("a")) {
        Assert.assertEquals("emitted value for 'a' was ", new Integer(2), value);
      }
      else if (key.equals("b")) {
        Assert.assertEquals("emitted value for 'b' was ", new Integer(20), value);
      }
      if (key.equals("c")) {
        Assert.assertEquals("emitted value for 'c' was ", new Integer(1000), value);
      }
    }
  }

  public static ArrayList<HashMap<String, Integer>> getMessages()  
  {
    ArrayList<HashMap<String, Integer>> mapList = new ArrayList<HashMap<String, Integer>>();

    HashMap<String, Integer> dataMapa = new HashMap<String, Integer>();
    dataMapa.put("a", 2);
    mapList.add(dataMapa);

    HashMap<String, Integer> dataMapb = new HashMap<String, Integer>();
    dataMapb.put("b", 20);
    mapList.add(dataMapb);

    HashMap<String, Integer> dataMapc = new HashMap<String, Integer>();
    dataMapc.put("c", 1000);
    mapList.add(dataMapc);

    return mapList;

  }
}