module RSpec::Rails
  module Model    
    def create_model name, &block      
      file = model_file_name(name)
      unless File.exist?(file)    
        FileUtils.mkdir_p File.dirname(file)
        File.open(file, 'w') do |f|  
          f.puts file_content(name)
          yield f if block_given?
        end
      end
    end  

    def remove_model name
      file = model_file_name(name)
      FileUtils.rm_f(file) if File.exist?(file)
    end

    def remove_models *names
      names.each{|name| remove_model name }
    end      
    
    def model_file_name name
      File.join(::Rails.root, "app/models/#{name}.rb")
    end        
  end
end