I dislike the vague error message produced by validates_associated.
class User
validates_associated :profile
delegate ..., :to => :profile
end
I see the following error message: profile is invalid. But WHY was the profile invalid? The validation errors from the profile should bubble up to the user. So,
module ActiveRecord::Validations::ClassMethods
def validates_associated(association, options = {})
class_eval do
validates_each(association) do |record, associate_name, value|
associate = record.send(associate_name)
if associate && !associate.valid?
associate.errors.each do |key, value|
record.errors.add(key, value)
end
end
end
end
end
end
Now we see:
Music tastes can't be blank
Eh, voila!
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