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#3880 ✓ invalid
Pascal Rettig

validate_on_create and validate_on_update no longer seem to exist

Reported by Pascal Rettig | February 6th, 2010 @ 04:26 PM

ActiveRecord::Base class methods validate_on_create and validate_on_update no longer seem to exist:

$ rails test_app
$ cd test_app
$ rails migration model TestModel
$ rake db:migrate
$ vi app/models/test_model.rb

    class TestModel < ActiveRecord::Base
        validate_on_create :create_validation

        def create_validation
           # Dummy validation
        end
    end

$ rails console

    Loading development environment (Rails 3.0.0.beta)
    irb(main):001:0> TestModel
    NoMethodError: undefined method `validate_on_create' for #<Class:0x7f7f6ad7f5c8>
from /var/lib/gems/1.8/gems/activerecord-3.0.0.beta/lib/active_record/base.rb:1300:in `method_missing'
from /home/pascal/test_app/app/models/test_model.rb:3
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:396:in `load_without_new_constant_marking'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:396:in `load_file'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:537:in `new_constants_in'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:395:in `load_file'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:275:in `require_or_load'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:441:in `load_missing_constant'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:91:in `const_missing'
from /var/lib/gems/1.8/gems/activesupport-3.0.0.beta/lib/active_support/dependencies.rb:103:in `const_missing'

Not sure if they are supposed to exist anymore, but the rdoc documentation still refers to them:

(From gem server) http://localhost:8808/doc_root/activemodel-3.0.0.beta/rdoc/ActiveMo...

"This usage applies to validate_on_create and +validate_on_update as well+. "

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