def compare_obj(test, obj, db_obj, subs=None, allow_missing=None, comparators=None): """Compare a MasakariObject and a dict-like database object. This automatically converts TZ-aware datetimes and iterates over the fields of the object. :param:test: The TestCase doing the comparison :param:obj: The MasakariObject to examine :param:db_obj: The dict-like database object to use as reference :param:subs: A dict of objkey=dbkey field substitutions :param:allow_missing: A list of fields that may not be in db_obj :param:comparators: Map of comparator functions to use for certain fields """ if subs is None: subs = {} if allow_missing is None: allow_missing = [] if comparators is None: comparators = {} for key in obj.fields: if key in allow_missing and not obj.obj_attr_is_set(key): continue obj_val = getattr(obj, key) db_key = subs.get(key, key) db_val = db_obj[db_key] if isinstance(obj_val, datetime.datetime): obj_val = obj_val.replace(tzinfo=None) if key in comparators: comparator = comparators[key] comparator(db_val, obj_val) else: test.assertEqual(db_val, obj_val)