public void MergeManyToManyWithCollectionDeference()
{
if (!TestDialect.SupportsEmptyInsertsOrHasNonIdentityNativeGenerator)
{
Assert.Ignore("Support of empty inserts is required");
}
// setup base data...
Competition competition;
using (ISession s = OpenSession())
using (ITransaction tx = s.BeginTransaction())
{
competition = new Competition();
competition.Competitors.Add(new Competitor {
Name = "Name"
});
competition.Competitors.Add(new Competitor());
competition.Competitors.Add(new Competitor());
s.Persist(competition);
tx.Commit();
}
// the competition graph is now detached:
// 1) create a new List reference to represent the competitors
Competition competition2;
using (var s = OpenSession())
using (var tx = s.BeginTransaction())
{
var newComp = new List <Competitor>();
Competitor originalCompetitor = competition.Competitors[0];
originalCompetitor.Name = "Name2";
newComp.Add(originalCompetitor);
newComp.Add(new Competitor());
// 2) set that new List reference unto the Competition reference
competition.Competitors = newComp;
// 3) attempt the merge
competition2 = (Competition)s.Merge(competition);
tx.Commit();
}
Assert.That(!(competition == competition2));
Assert.That(!(competition.Competitors == competition2.Competitors));
Assert.That(competition2.Competitors.Count, Is.EqualTo(2));
using (var s = OpenSession())
using (var tx = s.BeginTransaction())
{
competition = s.Get <Competition>(competition.Id);
Assert.That(competition.Competitors.Count, Is.EqualTo(2));
s.Delete(competition);
tx.Commit();
}
}
public async Task MergeManyToManyWithCollectionDeferenceAsync()
{
// setup base data...
Competition competition;
using (ISession s = OpenSession())
using (ITransaction tx = s.BeginTransaction())
{
competition = new Competition();
competition.Competitors.Add(new Competitor {
Name = "Name"
});
competition.Competitors.Add(new Competitor());
competition.Competitors.Add(new Competitor());
await(s.PersistAsync(competition));
await(tx.CommitAsync());
}
// the competition graph is now detached:
// 1) create a new List reference to represent the competitors
Competition competition2;
using (var s = OpenSession())
using (var tx = s.BeginTransaction())
{
var newComp = new List <Competitor>();
Competitor originalCompetitor = competition.Competitors[0];
originalCompetitor.Name = "Name2";
newComp.Add(originalCompetitor);
newComp.Add(new Competitor());
// 2) set that new List reference unto the Competition reference
competition.Competitors = newComp;
// 3) attempt the merge
competition2 = (Competition)await(s.MergeAsync(competition));
await(tx.CommitAsync());
}
Assert.That(!(competition == competition2));
Assert.That(!(competition.Competitors == competition2.Competitors));
Assert.That(competition2.Competitors.Count, Is.EqualTo(2));
using (var s = OpenSession())
using (var tx = s.BeginTransaction())
{
competition = await(s.GetAsync <Competition>(competition.Id));
Assert.That(competition.Competitors.Count, Is.EqualTo(2));
await(s.DeleteAsync(competition));
await(tx.CommitAsync());
}
}
public void MergeManyToManyWithCollectionDeference()
{
// setup base data...
ISession s = OpenSession();
ITransaction tx = s.BeginTransaction();
var competition = new Competition();
competition.Competitors.Add(new Competitor {
Name = "Name"
});
competition.Competitors.Add(new Competitor());
competition.Competitors.Add(new Competitor());
s.Persist(competition);
tx.Commit();
s.Close();
// the competition graph is now detached:
// 1) create a new List reference to represent the competitors
s = OpenSession();
tx = s.BeginTransaction();
var newComp = new List <Competitor>();
Competitor originalCompetitor = competition.Competitors[0];
originalCompetitor.Name = "Name2";
newComp.Add(originalCompetitor);
newComp.Add(new Competitor());
// 2) set that new List reference unto the Competition reference
competition.Competitors = newComp;
// 3) attempt the merge
var competition2 = (Competition)s.Merge(competition);
tx.Commit();
s.Close();
Assert.That(!(competition == competition2));
Assert.That(!(competition.Competitors == competition2.Competitors));
Assert.That(competition2.Competitors.Count, Is.EqualTo(2));
s = OpenSession();
tx = s.BeginTransaction();
competition = s.Get <Competition>(competition.Id);
Assert.That(competition.Competitors.Count, Is.EqualTo(2));
s.Delete(competition);
tx.Commit();
s.Close();
}
