public void Construct_SetState_SingleObject()
{
using (var context = new LoanContext())
{
var thing = new Thing();
thing.Log("Constructed", context);
context.StateShouldBe(thing, Detached);
context.Entry(thing).State = Unchanged;
thing.Log("Attached", context);
context.StateShouldBe(thing, Unchanged);
}
}
public void Construct_Update_Save()
{
using (var context = new LoanContext())
{
var thing = new Thing();
thing.Log("Constructed", context);
context.StateShouldBe(thing, Detached);
context.Update(thing);
thing.Log("Updated", context);
context.StateShouldBe(thing, Added);
context.SaveChanges();
thing.Log("SaveChanges", context);
context.StateShouldBe(thing, Unchanged);
}
}
public void Construct_Attach_Save_SingleObject()
{
using (var context = new LoanContext())
{
var thing = new Thing();
thing.Log("Constructed", context);
context.StateShouldBe(thing, Detached);
context.Attach(thing);
thing.Log("Attached", context);
context.StateShouldBe(thing, Added);
context.SaveChanges();
thing.Log("SaveChanges", context);
context.StateShouldBe(thing, Unchanged);
}
}
protected Thing SaveNewThingAndDetach()
{
var thing = SaveNewThing();
Thing xferThing = null;
using (var context = new LoanContext())
{
var foundThing = context.Set <Thing>()
.SingleOrDefault(o => o.Id == thing.Id);
foundThing.ShouldNotBeNull();
foundThing.Log("Find", context);
context.StateShouldBe(foundThing, Unchanged);
xferThing = JsonConvert.DeserializeObject <Thing>(JsonConvert.SerializeObject(foundThing));
context.StateShouldBe(xferThing, Detached);
xferThing.Log("After Deserialize", context);
}
return(xferThing);
}
