public void ConstructGraph_Add_Save_Delete()
{
var loan = SaveNewLoan();
using (var context = new LoanContext())
{
var foundLoan = context.Set <Loan>()
.Include(o => o.Lender)
.Include(o => o.LenderContact)
.SingleOrDefault(o => o.Id == loan.Id);
foundLoan.ShouldNotBeNull();
foundLoan.Log("Find", context);
context.StateShouldBe(foundLoan, Unchanged);
context.Remove(foundLoan);
foundLoan.Log("Remove", context);
context.StateShouldBe(foundLoan, Deleted);
context.StateShouldBe(foundLoan.Lender, Unchanged); // not cascading delete
context.StateShouldBe(foundLoan.LenderContact, Unchanged);
context.SaveChanges();
foundLoan.Log("SaveChanged", context);
context.StateShouldBe(foundLoan, Detached);
context.StateShouldBe(foundLoan.Lender, Unchanged); // not cascading delete
context.StateShouldBe(foundLoan.LenderContact, Unchanged);
}
}
public void Save_Find_Delete_SingleObject()
{
var thing = SaveNewThing();
using (var context = new LoanContext())
{
var foundThing = context.Find <Thing>(thing.Id);
foundThing.ShouldNotBeNull();
foundThing.Log("Find", context);
context.StateShouldBe(foundThing, Unchanged);
context.Remove(foundThing);
context.StateShouldBe(foundThing, Deleted);
context.SaveChanges();
context.StateShouldBe(foundThing, Detached);
}
}
public async Task RemoveAsync(TEntity entity)
{
using LoanContext context = new LoanContext();
context.Remove(entity);
await context.SaveChangesAsync();
}