Module: ObjectExtensions::ArrayExtensions

Defined in:
lib/vignette/object_extensions.rb

Overview

Extensions to the Array object

Instance Method Summary collapse

Instance Method Details

#vignette(name = nil) ⇒ Object

Test will select a random object from the Array



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# File 'lib/vignette/object_extensions.rb', line 7

def vignette(name=nil)
  key = "vignette_#{name || hash}"
  test_name = if name.blank?
    if caller[0].include?('filter.rb')
      caller[1].split(':in')[0].gsub(Rails.root.to_s,'') # Take the view name
    else
      caller[0].gsub(Rails.root.to_s,'') # Take everything but the Rails root portion
    end
  else
    name
  end

  store = case Vignette.store
    when :cookies
      raise VignetteError::ConfigError, "Missing cookies configuration in Vignette.  Must access Vignette in controller within around_filter." if Vignette.cookies.nil?
      Vignette.cookies
    when :session
      raise VignetteError::ConfigError, "Missing session configuration in Vignette.  Must access Vignette in controller within around_filter." if Vignette.session.nil?
      # Rails.logger.debug [ 'Vignette::vignette', 'Session Sampling', key, Vignette.session[key], Vignette.session ]
      Vignette.session
    else
      # Rails.logger.debug [ 'Vignette::vignette', 'Random Sampling' ]
      {} # This is an empty storage
    end

  choice = store[key] ||= rand(length) # Store key into storage if not available
  
  # We're going to track all tests in request
  Vignette.request[:vignette] ||= {}
  Vignette.request[:vignette][:tests] ||= {}
  Vignette.request[:vignette][:tests][test_name] = choice

  self[choice.to_i]
end