public void CanRetryDeleteUsingNewSession()
{
//setup - trigger a failure when deleting...
Guid customerOneId = DbFixture.InsertCustomer();
var c = Nh.CurrentSession.Get <Customer>(customerOneId);
Nh.CurrentSession.Delete(c);
//cause transaction to fail
Nh.CurrentSession.Save(Om.CreateInvalidCustomer());
CommitSessionExpectingException();
//run test...
using (ISession newSession = Nh.CreateSession())
{
newSession.Delete(c);
newSession.Flush();
}
Assert.That(DbFixture.CustomerExists(c), Is.False);
}
public static void VerifyIsEquivalentToObjectInDatabase <T>(T entity, EquivalenceComparer comparer)
where T : class
{
using (var session = Nh.CreateSession())
{
var claimFreshFromDb = session.Get <T>(Nh.GetIdOf(entity));
AssertAreEquivalent(entity, claimFreshFromDb, comparer);
}
}
protected void PersistUsingNewSession(params object[] entities)
{
using (ISession s = Nh.CreateSession())
{
foreach (object entity in entities)
{
s.SaveOrUpdate(entity);
}
s.BeginTransaction().Commit();
}
}
public void CanAttachAssociatedObjectToDifferentSessions()
{
//note: although this is possible would highly recommend against doing this
//given
Customer customer = Om.CreateCustomer();
Order order1 = Om.CreateOrderWith(customer);
Order order2 = Om.CreateOrderWith(customer);
Nh.CommitInSameTempSession(session => {
DbFixture.Insert(customer);
DbFixture.Insert(order1);
DbFixture.Insert(order2);
});
var order1FromDb = Nh.GetFromDb <Order>(order1.Id);
var order2FromDb = Nh.GetFromDb <Order>(order2.Id);
NHibernateUtil.Initialize(order1FromDb.Customer);
Assert.That(order1FromDb.Customer, Is.SameAs(order2FromDb.Customer), "clarifying assumptions");
//evict all our object we have just loaded
Nh.CurrentSession.Clear();
//run test...
//attach first order to first session
ISession firstSession = Nh.CreateSession();
firstSession.Lock(order1FromDb, LockMode.None);
Assert.That(firstSession.ExistsInSession <Order>(order1FromDb.Id), Is.True, "order not attached");
Assert.That(firstSession.ExistsInSession <Customer>(order1FromDb.Customer.Id),
Is.False,
"customer not expected to attached");
//attach customer to second session
ISession secondSession = Nh.CreateSession();
secondSession.Lock(order1FromDb.Customer, LockMode.None);
Assert.That(secondSession.ExistsInSession <Customer>(order1FromDb.Customer.Id),
Is.True,
"customer not attached");
//attach second order to third session
ISession thirdSession = Nh.CreateSession();
thirdSession.Lock(order2FromDb, LockMode.None);
Assert.That(thirdSession.ExistsInSession <Order>(order2FromDb.Id), Is.True, "order not attached");
Assert.That(secondSession.ExistsInSession <Customer>(order1FromDb.Customer.Id),
Is.True,
"customer no longer attached to first session");
}
public void CanCountChildEntitiesWithoutLoadingThenIntoSession()
{
var customer = Nh.CurrentSession.Get <Customer>(_customersInDb[0].Id);
Address address = customer.AddressAt(0);
using (ISession newSession = Nh.CreateSession())
{
newSession.Get <Customer>(customer.Id);
Assert.That(newSession.Contains(address), Is.False, "Not testing yet just clarifying assumptions");
const string querySring = "select count(*) from Address as a where a.Customer.Id=:custId";
newSession.CreateQuery(querySring).SetGuid("custId", customer.Id).UniqueResult();
Assert.That(newSession.Contains(address), Is.False, "child object not loaded");
}
}
public void CanEvictObjectsContainedWithinAnotherSession()
{
Guid customerId = DbFixture.InsertCustomer();
var customer = Nh.CurrentSession.Get <Customer>(customerId);
using (ISession newSession = Nh.CreateSession())
{
newSession.Get <Customer>(customerId);
//not testing yet just clarifying assumptions
Assert.That(Nh.CurrentSession.Contains(customer), Is.True, "entity in session");
EvictObjectsInCurrentSessionFoundWithin(newSession);
}
Assert.That(Nh.CurrentSession.Contains(customer),
Is.False,
"entity has been evicted from session");
}
