Person.java

package com.goodworkalan.prattle.model;

import java.io.Serializable;

public class Person implements Serializable
{
    private static final long serialVersionUID = 1L;

    private String firstName;
    
    private String lastName;
    
    private int hatSize;
    
    public Person()
    {
    }
    
    public Person(String firstName, String lastName, int hatSize)
    {
        this.firstName = firstName;
        this.lastName = lastName;
        this.hatSize = hatSize;
    }
    
    public String getFirstName()
    {
        return firstName;
    }
    
    public void setFirstName(String firstName)
    {
        this.firstName = firstName;
    }
    
    public String getLastName()
    {
        return lastName;
    }
    
    public void setLastName(String lastName)
    {
        this.lastName = lastName;
    }
    
    public int getHatSize()
    {
        return hatSize;
    }
    
    public void setHatSize(int hatSize)
    {
        this.hatSize = hatSize;
    }
    
    @Override
    public boolean equals(Object object)
    {
        if (object instanceof Person)
        {
            Person person = (Person) object;
            return firstName.equals(person.firstName)
                && lastName.equals(person.lastName)
                && hatSize == person.hatSize;
        }
        return false;
    }
    
    @Override
    public int hashCode()
    {
        return 1;
    }
}

PrattleRepresenterTest.java

package com.goodworkalan.prattle.yaml;

import static org.testng.Assert.assertEquals;

import java.io.IOException;

import org.testng.annotations.Test;
import org.yaml.snakeyaml.Yaml;

import com.goodworkalan.prattle.model.Person;

public class PrattleRepresenterTest
{
    @Test
    public void test() throws IOException
    {
        Yaml yaml = new Yaml();
        
        Person person = new Person("Alan", "Gutierrez", 9);
        assertEquals(person, yaml.load(yaml.dump(person)));
        assertEquals(person, yaml.load(yaml.dump(person)));
    }
}