class ActiveRecord::Reflection::MacroReflection

def ==(other_aggregation)

and +other_aggregation+ has an options hash assigned to it.
Returns +true+ if +self+ and +other_aggregation+ have the same +name+ attribute, +active_record+ attribute, 
def ==(other_aggregation)
  super ||
    other_aggregation.kind_of?(self.class) &&
    name == other_aggregation.name &&
    !other_aggregation.options.nil? &&
    active_record == other_aggregation.active_record
end