public void Entity_added_to_navigation_property_binding_list_is_added_to_context_after_DetectChanges()
{
using (var context = new F1Context())
{
var ferrari = context.Teams.Include(t => t.Drivers).Single(t => t.Id == Team.Ferrari);
var navBindingList = ((IListSource)ferrari.Drivers).GetList();
var localDrivers = context.Drivers.Local;
var larry = new Driver
{
Id = -1,
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
navBindingList.Add(larry);
Assert.False(localDrivers.Contains(larry));
GetObjectContext(context).DetectChanges();
Assert.True(localDrivers.Contains(larry));
Assert.Same(larry, context.Drivers.Find(-1));
}
}
public void Entity_added_to_context_is_added_to_navigation_property_binding_list()
{
using (var context = new F1Context())
{
var ferrari = context.Teams.Include(t => t.Drivers).Single(t => t.Id == Team.Ferrari);
var navBindingList = ((IListSource)ferrari.Drivers).GetList();
var larry = new Driver
{
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
context.Drivers.Add(larry);
Assert.True(navBindingList.Contains(larry));
}
}
public void Entities_added_to_local_binding_list_are_added_to_state_manager()
{
using (var context = new F1Context())
{
var bindingList = context.Drivers.Local.ToBindingList();
var larry = new Driver
{
Id = -1,
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
bindingList.Add(larry);
Assert.Same(larry, context.Drivers.Find(-1));
Assert.Equal(
EntityState.Added,
GetObjectContext(context).ObjectStateManager.GetObjectStateEntry(larry).State);
}
}
public void Adding_entity_to_context_is_reflected_in_local_binding_list()
{
using (var context = new F1Context())
{
var bindingList = context.Drivers.Local.ToBindingList();
var larry = new Driver
{
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
context.Drivers.Add(larry);
Assert.True(bindingList.Contains(larry));
}
}
private void Entities_added_to_local_view_are_added_to_state_manager_implementation(
Func<F1Context, IList> getLocal)
{
using (var context = new F1Context())
{
var local = getLocal(context);
var larry = new Driver
{
Id = -1,
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
local.Add(larry);
Assert.Same(larry, context.Drivers.Find(-1));
Assert.Equal(
EntityState.Added,
GetObjectContext(context).ObjectStateManager.GetObjectStateEntry(larry).State);
}
}
private void Attaching_entity_to_context_is_reflected_in_local_view_implementation(
Func<F1Context, IList> getLocal)
{
using (var context = new F1Context())
{
var local = getLocal(context);
var larry = new Driver
{
Name = "Larry David",
TeamId = Team.Ferrari,
CarNumber = 13
};
context.Drivers.Attach(larry);
Assert.True(local.Contains(larry));
}
}