I really think it depends on the dog. Delgado tolerates hugs most of the time but doesn't seem to really enjoy them, but sometimes he will literally crawl into my lap and put his head on my shoulder for a hug.
Jasmine - Female Miniature Poodle - born Aug 15, 2010
Loker Delgado Von Stalworth - Male GSD - born Jan 26, 2012
Koda & Zazu - 5 year old male cats
Alex - Male Cocker Spaniel (rescue) - RIP Cuddlebug 2007-2010