public void Can_attach_graph_using_custom_delegate()
{
var tracker = new MyTracker(updateExistingEntities: false);
using (var context = new EarlyLearningCenter())
{
var category = new Category
{
Id = 77,
Products = new List <Product>
{
new Product {
Id = 77
},
new Product {
Id = 0
},
new Product {
Id = 78
}
}
};
context.ChangeTracker.TrackGraph(category, tracker.TrackEntity);
Assert.Equal(4, context.ChangeTracker.Entries().Count());
Assert.Equal(EntityState.Unchanged, context.Entry(category).State);
Assert.Equal(EntityState.Unchanged, context.Entry(category.Products[0]).State);
Assert.Equal(EntityState.Added, context.Entry(category.Products[1]).State);
Assert.Equal(EntityState.Unchanged, context.Entry(category.Products[2]).State);
Assert.Equal(77, category.Products[0].Id);
Assert.Equal(777, category.Products[1].Id);
Assert.Equal(78, category.Products[2].Id);
Assert.Same(category, category.Products[0].Category);
Assert.Same(category, category.Products[1].Category);
Assert.Same(category, category.Products[2].Category);
Assert.Equal(category.Id, category.Products[0].CategoryId);
Assert.Equal(category.Id, category.Products[1].CategoryId);
Assert.Equal(category.Id, category.Products[2].CategoryId);
}
}
public void Can_attach_graph_using_custom_delegate()
{
var tracker = new MyTracker(updateExistingEntities: false);
using (var context = new EarlyLearningCenter())
{
var category = new Category
{
Id = 77,
Products = new List<Product>
{
new Product { Id = 77 },
new Product { Id = 0 },
new Product { Id = 78 }
}
};
context.ChangeTracker.TrackGraph(category, tracker.TrackEntity);
Assert.Equal(4, context.ChangeTracker.Entries().Count());
Assert.Equal(EntityState.Unchanged, context.Entry(category).State);
Assert.Equal(EntityState.Unchanged, context.Entry(category.Products[0]).State);
Assert.Equal(EntityState.Added, context.Entry(category.Products[1]).State);
Assert.Equal(EntityState.Unchanged, context.Entry(category.Products[2]).State);
Assert.Equal(77, category.Products[0].Id);
Assert.Equal(777, category.Products[1].Id);
Assert.Equal(78, category.Products[2].Id);
Assert.Same(category, category.Products[0].Category);
Assert.Same(category, category.Products[1].Category);
Assert.Same(category, category.Products[2].Category);
Assert.Equal(category.Id, category.Products[0].CategoryId);
Assert.Equal(category.Id, category.Products[1].CategoryId);
Assert.Equal(category.Id, category.Products[2].CategoryId);
}
}
