@Test
public void testManyToMany(){
Many2 m2a = new Many2();
m2a.setName("many2 - a");
Many1 m1 = new Many1();
m1.setDescription("description1 m2a");
Many1 m2 = new Many1();
m2.setDescription("description2 m2a");
ArrayList<Many1> manys1 = new ArrayList<Many1>();
manys1.add(m1);
manys1.add(m2);
m2a.setMany1(manys1);
Many2 m2b = new Many2();
m2b.setName("many2 - b");
Many1 m3 = new Many1();
m3.setDescription("description3 m2b");
Many1 m4 = new Many1();
m4.setDescription("description4 m2b");
ArrayList<Many1> manys2 = new ArrayList<Many1>();
manys2.add(m3);
manys2.add(m4);
m2b.setMany1(manys2);
Many1 many = new Many1();
many.setDescription("description of principal many");
ArrayList<Many2> m = new ArrayList<Many2>();
m.add(m2a);
m.add(m2b);
many.setMany2(m);
Assert.assertTrue(admin.save(many));
Many1 many1 = new Many1();
admin.obtainWhere(many1, "description = 'description of principal many'");
Assert.assertEquals("description4 m2b", ((Many1)((Many2)many1.getMany2().get(1)).getMany1().get(1)).getDescription());
}