public void Generic_DbContext_Entries_ignores_stubs_and_relationship_entries()
{
using (var context = new SimpleModelForLinq())
{
var nonStubEntityEntryCount = PopulateContextAndGetNonStubEntityEntryCount(context);
var entries = context.ChangeTracker.Entries <OrderForLinq>().ToList();
Assert.True(entries.All(e => e.Entity != null));
Assert.Equal(nonStubEntityEntryCount, entries.Count);
}
}
private int PopulateContextAndGetNonStubEntityEntryCount(SimpleModelForLinq context)
{
context.Orders.Load();
var objectStateEntries =
((IObjectContextAdapter)context).ObjectContext.ObjectStateManager.GetObjectStateEntries(
~EntityState.Detached);
var relationshipEntryCount = objectStateEntries.Count(e => e.IsRelationship);
var stubEntryCount = objectStateEntries.Count(e => !e.IsRelationship && e.Entity == null);
// Sanity check that we actually have stubs and relationship entries
Assert.NotEqual(0, relationshipEntryCount);
Assert.NotEqual(0, stubEntryCount);
return(objectStateEntries.Count() - relationshipEntryCount - stubEntryCount);
}
// TODO: [Fact(Skip = "SDE Merge - No partial trust yet")]
public void SelectMany_works_under_partial_trust()
{
using (var context = new SimpleModelForLinq())
{
var parameter = 1;
var query = from n in context.Numbers
from p in context.Products
where n.Value > p.UnitsInStock && n.Value == parameter
select
new LinqTests.NumberProductProjectionClass
{
Value = n.Value,
UnitsInStock = p.UnitsInStock
};
Assert.IsType <DbQuery <LinqTests.NumberProductProjectionClass> >(query);
query.Load();
}
}
