DeleteTransientEntityTest.cs :  » Persistence-Frameworks » NHibernate » NHibernate » Test » Deletetransient » C# / CSharp Open Source

using System.Collections;
using NUnit.Framework;

namespace NHibernate.Test.Deletetransient{
  [TestFixture]
  public class DeleteTransientEntityTest : TestCase
  {
    protected override string MappingsAssembly
    {
      get { return "NHibernate.Test"; }
    }

    protected override IList Mappings
    {
      get { return new string[] {"Deletetransient.Person.hbm.xml"}; }
    }

    [Test]
    public void TransientEntityDeletionNoCascades()
    {
      ISession s = OpenSession();
      ITransaction t = s.BeginTransaction();
      s.Delete(new Address());
      t.Commit();
      s.Close();
    }

    [Test]
    public void TransientEntityDeletionCascadingToTransientAssociation()
    {
      ISession s = OpenSession();
      ITransaction t = s.BeginTransaction();
      Person p = new Person();
      p.Addresses.Add(new Address());
      s.Delete(p);
      t.Commit();
      s.Close();
    }

    [Test]
    public void TransientEntityDeleteCascadingToCircularity()
    {
      ISession s = OpenSession();
      ITransaction t = s.BeginTransaction();
      Person p1 = new Person();
      Person p2 = new Person();
      p1.Friends.Add(p2);
      p2.Friends.Add(p1);
      s.Delete(p1);
      t.Commit();
      s.Close();
    }

    [Test]
    public void TransientEntityDeletionCascadingToDetachedAssociation()
    {
      ISession s = OpenSession();
      ITransaction t = s.BeginTransaction();
      Address address = new Address();
      address.Info = "123 Main St.";
      s.Save(address);
      t.Commit();
      s.Close();

      s = OpenSession();
      t = s.BeginTransaction();
      Person p = new Person();
      p.Addresses.Add(address);
      s.Delete(p);
      t.Commit();
      s.Close();

      s = OpenSession();
      t = s.BeginTransaction();
      long count = s.CreateQuery("select count(*) from Address").List<long>()[0];
      Assert.That(count, Is.EqualTo(0L), "delete not cascaded properly across transient entity");
      t.Commit();
      s.Close();
    }

    [Test]
    public void TransientEntityDeletionCascadingToPersistentAssociation()
    {
      ISession s = OpenSession();
      ITransaction t = s.BeginTransaction();
      Address address = new Address();
      address.Info = "123 Main St.";
      s.Save(address);
      t.Commit();
      s.Close();

      s = OpenSession();
      t = s.BeginTransaction();
      address = s.Get<Address>(address.Id);
      Person p = new Person();
      p.Addresses.Add(address);
      s.Delete(p);
      t.Commit();
      s.Close();

      s = OpenSession();
      t = s.BeginTransaction();
      long count = s.CreateQuery("select count(*) from Address").List<long>()[0];
      Assert.That(count, Is.EqualTo(0L), "delete not cascaded properly across transient entity");
      t.Commit();
      s.Close();
    }
  }
}