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# in specs/models/post_spec.rb
require 'spec_helper'

describe Post do
  it {
    should belong_to :user
    should validate_presence_of :title
  }

  # class method spec
  describe '.find_by_url_param' do
    it 'should find a Post by converting a URL param to a post title' do
      post = Post.create(:title => 'My New Post')
      Post.find_by_url_param('my-new-post').should == post
    end
  end

  # instance method spec
  describe '#url_param' do
    it 'should convert the post title to a param for URLs' do
      Post.create(:title => 'Another Post').url_param.should == 'another-post'
    end
  end
end