public void DiscardChanges_ChangesAddedEntityState_ToDetached()
{
using (var dbContext = new EntityDbContext())
{
var entity = new User {
Name = Guid.NewGuid().ToString()
};
dbContext.Create(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Added);
dbContext.DiscardChanges();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Detached);
}
}
public void DiscardChanges_ChangesDeletedEntityState_ToUnchanged()
{
using (var dbContext = new EntityDbContext())
{
var entity = new User {
Name = Guid.NewGuid().ToString()
};
dbContext.Create(entity);
var affectedRows = dbContext.SaveChangesAsync().Result;
affectedRows.ShouldEqual(1);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
dbContext.Delete(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Deleted);
dbContext.DiscardChanges();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
}
}