searchable.rb

require 'thread/local'

class Searchable
	extend Thread::Local
	
	def initialize
		@index = "rubygems"
	end
	
	def index(value)
		@index = value
	end
	
	def lookup(query)
		puts "execute #{query} on #{@index}"
	end
end

def run_tests
	Searchable.instance.lookup("hello world")
end

8.times.map do |index|
	Thread.new do
		# Before running tests:
		searchable = Searchable.instance
		# searchable.index "rubygems-#{index}"
		
		run_tests
	end
end.each(&:join)