Watir begin/rescue encapsulation for teh lazy

watir-begin-rescue.rb

class Element
  attr_reader :description, :id, :xpath, :name, :value, :text

  def initialize(opts={})
    @description = opts[:description] || nil
    @id    = opts[:id]    || nil
    @xpath = opts[:xpath] || nil
    @name  = opts[:name]  || nil
    @value = opts[:value] || nil
    @text  = opts[:text]  || nil
    @target = opts[:target] || 'div'

    @preferred = @xpath || @id || @name || @value || @text || nil
    if @preferred.nil?
      raise "Didn't find a valid access method, please specify at least one in :id, :xpath, :name, :value or :text"
    end
  end

  def act_with(method)
    begin
      if @xpath      
        used = "xpath '#{@xpath}'"
        $browser.send(@target, :xpath, @xpath).send(method)
      elsif @id
        used = "id '#{@id}'"
        $browser.send(@target, :id, @id).send(method)
      elsif @text
        used = "text '#{@text}'"
        $browser.send(@target, :text, @text).send(method)
      elsif @name
        used = "name '#{@name}'"
        $browser.send(@target, :name, @name).send(method)
      elsif @value
        used = "value '#{@value}'"
        $browser.send(@target, :value, @value).send(method)
      else
        used = 'nothing (fail!)'
        raise
      end
      info "Successfull #{method} on #{@target} #{@description} using #{used}"
    rescue => e
      err "Can't #{method} on #{@target} #{@description} using #{used}: #{e}"
      raise
    end
  end

end

class Link < Element
  def initialize(opts={})
    super(opts)
    @target = 'link' # generates: $browser.link().click() and so on
  end

  def click
    act_with('click')
  end

end