Module: ObjectExtensions::ArrayExtensions

Defined in:
lib/vignette/object_extensions.rb

Overview

Extensions to the Array object

Instance Method Summary collapse

Instance Method Details

#crc ⇒ Object 



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# File 'lib/vignette/object_extensions.rb', line 6

def crc
  Zlib.crc32(self.join)
end

#vignette(name = nil) ⇒ Object

Test will select a random object from the Array



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# File 'lib/vignette/object_extensions.rb', line 11

def vignette(name=nil)
  key = "vignette_#{name || crc.abs.to_s(16)}"
  test_name = nil

  if name.blank?
    if caller[0].include?('filter.rb')
      # E.g /Users/hayesgm/animals/shadow/app/views/landing/family.html.haml:11:in `_app_views_landing_family_html_haml__3008026497873467685_70232967999960'
      # -> app/views/landing/family.html.haml:313c7f3a472883ba
      filename = caller[1].split(':')[0].gsub(Rails.root.to_s+'/','') # Take the view name
      test_name = "#{filename}:#{crc.abs.to_s(16)}"
    else
      # E.g /Users/hayesgm/animals/shadow/app/controllers/home_controller.rb:27:in `home'
      # -> app/controllers/home_controller:home:313c7f3a472883ba
      line = caller[0].gsub(Rails.root.to_s+'/','') # Take everything but the Rails root portion
      
      m = /(?<filename>[\w.\/]+):(?<line>\d+):in `(?<function>\w+)'/.match(line)
      
      if m && !m[:filename].blank? && !m[:function].blank?
        test_name = "#{m[:filename]}:#{m[:function]}:#{crc.abs.to_s(16)}"
      else # Fallback
        test_name = key
      end
    end
  else
    name # TODO: This should be test_name = name
  end

  # p ['Test name',test_name]

  store = Vignette.get_store

  choice = store[key] ||= Kernel.rand(length) # Store key into storage if not available
  result = self[choice.to_i]
  
  # Let's store keys where they are
  store[:v] = ( store[:v].present? ? JSON(store[:v]) : {} ).merge(test_name => result).to_json
  
  return result
end