VCR against multithreaded code

gistfile1.rb

require "vcr"
require "net/http"

VCR.configure do |c|
  c.cassette_library_dir = '/tmp'
  c.hook_into :webmock

  c.default_cassette_options = {
      record: :once
  }
end

# forgive me Google ;)
module ThirdPartyApi
  def self.query
    threads = []
    queries = 200.times.map { |n| "query-#{n}" }
    queries.each_slice(5) do |sliced_queries|
      threads << Thread.new do
        sliced_queries.each do |q|
          Net::HTTP.get("google.com", "?q=#{q}")
        end
      end
    end
    threads.map(&:join)
  end
end

VCR.use_cassette("google_search") do
  ThirdPartyApi.query
  puts "success!"
end