play-siena relationship

data.yml

Thing(thing1):
    name: thing1
    
Thing(thing2):
    name: thing2

Parent(p1):
    name: parent1
    things: thing1, thing2

FixtureTest.java

import static org.junit.Assert.*;

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

import models.Flight;
import models.Parent;
import models.Thing;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import play.modules.siena.SienaFixtures;
import play.test.UnitTest;

import siena.Model;


public class ModelTest extends UnitTest {

	@Before
	public void setUp() throws Exception {
		SienaFixtures.delete(Parent.class);
		SienaFixtures.delete(Thing.class);
	    SienaFixtures.loadModels("model.yml");
	}
	
	@Test
	public void fixtureTest(){
		Parent p=Model.all(Parent.class).filter("name", "parent1").get();
		assertNotNull(p);
	}
	
	@Test
	public void relationTest(){
		Parent p=Model.all(Parent.class).filter("name", "parent1").get();
		assertEquals(2, p.things.asList().size());
	}
	
	@Test
	public void thingTest(){
		Thing t=Model.all(Thing.class).filter("name", "thing1").get();
		assertNotNull(t);
		assertNotNull(t.parent);
		assertEquals("parent1", t.parent.name);
	}


}

gistfile1.txt

ModelTest
test	Failure, expected:<10> but was:<0>
In /test/ModelTest.java, line 53 :
assertEquals(10, r.things.asList().size());

ModelTest.java

import static org.junit.Assert.*;

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

import models.Flight;
import models.Parent;
import models.Thing;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import play.test.UnitTest;

import siena.Model;


public class ModelTest extends UnitTest {

//	@Before
//	public void setUp() throws Exception {
//	}
//
//	@After
//	public void tearDown() throws Exception {
//	}
	
	@Test
	public void test(){
		//init parent
		Parent p=new Parent("parent1");
		//give him 10 things
		for(int i=0; i<10; i++){
			Thing thing = new Thing("thing"+i);
			p.things.asList().add(thing);
		}
		//save parent + things
		p.save();
		
		
		//retrieve parent back
		Parent r=Model.all(Parent.class).get();
		
		//assert that I got something back
		assertNotNull(r);
		
		//assert parent name
		assertEquals("parent1", r.name);
		
		//get parents things
		//this test fails
		assertEquals(10, r.things.asList().size());
		
	}


}

Parent.java

package models;

import siena.Generator;
import siena.Id;
import siena.Model;
import siena.Table;
import siena.core.Many;
import siena.core.Owned;

@Table("parents")
public class Parent extends Model {
	
	@Id(Generator.AUTO_INCREMENT)
	public Long id;
	
	public String name;
	
	@Owned(mappedBy="parent")
	public Many<Thing> things;
	
	
	public Parent(){
		super();
	}
	
	public Parent(String name){
		super();
		this.name=name;
	}
}

Thing.java

package models;

import siena.Generator;
import siena.Id;
import siena.Model;
import siena.Table;

import play.modules.siena.EnhancedModel;


@Table("things")
public class Thing extends Model {
    @Id(Generator.AUTO_INCREMENT)
    public Long id;
    
    public String name;
    
    public Parent parent;
    
    public Thing(){
    	super();
    }
    
    public Thing(String name){
    	super();
    	this.name=name;
    }
}