/*
 * Cloud9: A MapReduce Library for Hadoop
 *
 * 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 edu.umd.cloud9.example.bfs;

import static org.junit.Assert.assertEquals;

import java.io.IOException;

import junit.framework.JUnit4TestAdapter;

import org.junit.Test;

import tl.lin.data.array.ArrayListOfIntsWritable;
import edu.umd.cloud9.example.bfs.BfsNode.Type;

public class BfsNodeTest {

  @Test
  public void testSerialize() throws IOException {
    BfsNode node1 = new BfsNode();
    node1.setType(Type.Complete);
    node1.setNodeId(1);
    node1.setDistance(2);
    node1.setAdjacencyList(new ArrayListOfIntsWritable(new int[] {1,2,3,4,5,6}));

    byte[] bytes = node1.serialize();
    BfsNode node2 = BfsNode.create(bytes);

    assertEquals(2, node2.getDistance());
    assertEquals(Type.Complete, node2.getType());
    ArrayListOfIntsWritable adj = node2.getAdjacenyList();
    assertEquals(6, adj.size());
    assertEquals(1, adj.get(0));
    assertEquals(2, adj.get(1));
    assertEquals(3, adj.get(2));
    assertEquals(4, adj.get(3));
    assertEquals(5, adj.get(4));
    assertEquals(6, adj.get(5));
  }

  @Test
  public void testToString() throws Exception {
    BfsNode node = new BfsNode();
    node.setType(Type.Complete);
    node.setNodeId(1);
    node.setDistance(1);

    assertEquals("{1 1 []}", node.toString());

    node.setAdjacencyList(new ArrayListOfIntsWritable(new int[] {1,2,3,4,5,6}));
    assertEquals("{1 1 [1, 2, 3, 4, 5, 6]}", node.toString());

    node.setAdjacencyList(new ArrayListOfIntsWritable(new int[] {1,2,3,4,5,6,7,8,9,10,11,12}));
    assertEquals("{1 1 [1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ... (2 more) ]}", node.toString());
  }

  public static junit.framework.Test suite() {
    return new JUnit4TestAdapter(BfsNodeTest.class);
  }
}