Ruby on Rails

Colin Law wrote in post #971843:
> On 2 January 2011 13:42, Michal Burak <lists@ruby-forum.com> wrote:
>> class Foo < ActiveRecoed::Base
>> has_many :www_links, :as => :owner
>> end
>>
>> class WwwLink < ActiveRecord::Base
>> belongs_to :owner, :polymorphic => true
>> attr_accessible :href
>> end
>>
>> I want to ensure that each Foo instance does not have same links (href).
>
> I don't understand what you mean by the above.
>
> Colin

test "should not allow for adding two same links" do
# given
foo1 = create_foo.save!
link1 = foo1.www_links.create(:href => 'wp.pl')
link1.save!

foo2 = create_foo.save!
link2 = foo2.www_links.create(:href => 'wp.pl')

# when
link2.save!

# then
errors occured !
end

I will put this logic in WwwLinks controller.

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