migrate_to_vcr_task.rb

require 'rake'
require 'yaml'

task :migrate_to_vcr, :resource do |t, args|
  resource = args[:resource]
  blank_vcr_cassette = YAML.load(File.read "test/vcr_cassettes/blank.yml")
  `mkdir test/vcr_cassettes/#{resource}`
  responses = Dir["test/fixtures/#{resource}*.txt"]
  responses.each do |path|
    # Build new cassette
    response_text = File.read(path)
    new_cassette = blank_vcr_cassette.dup["http_interactions"].first
    new_cassette["response"]["body"] = response_text.gsub "\n", ""
    
    # Get current cassettes
    action_name = File.basename(path, ".txt").scan(/reseller_(.*)_/).flatten.first
    action_cassettes_path = "test/vcr_cassettes/#{resource}/#{action_name}.yml"
    `touch #{action_cassettes_path}`
    current_cassettes = YAML.load(File.read(action_cassettes_path)) || {}
    
    # Insert new cassette
    current_cassettes["http_interactions"] ||= []
    current_cassettes["http_interactions"] << new_cassette
    current_cassettes["recorded_with"] = "VCR 2.0.0"
    
    # Rewrite file
    File.truncate(action_cassettes_path, 0)
    File.open(action_cassettes_path, 'w') do |f|
      f << current_cassettes.to_yaml
    end
  end
end